date stringlengths 10 10 | nb_tokens int64 60 629k | text_size int64 234 1.02M | content stringlengths 234 1.02M |
|---|---|---|---|
2017/05/22 | 773 | 2,748 | <issue_start>username_0: I am trying to root my android 6.0.1 phone using the following method:
I first booted into a TWRP image using `fastboot boot`, then using the TWRP terminal I copied the `su` binary from the SuperSU kit to /system/xbin/ and ran `chmod 6755 ./su`, `chown root:root ./su` and `chcon u:object_r:system_file:s0 ./su`. Now I booted into Android and opened a terminal emulator and goto /system/xbin/ and see that the SUID bit is set for `su`. But when I run `su`, nothing happens and the binary exits with a `0` value.
Running `strace su` shows that the `setresuid()` and `setuid()` calls are failing. I suspect this is because of SELinux contexts.
What should the SELinux contexts be for the binary?<issue_comment>username_1: Impossible to say with that little information. You said:
>
> ...and ran `chmod 6755 ./su`, `chown root:root ./su` and `chcon
> u:object_r:system_file:s0 ./su`
>
>
>
This seem to imply you are already root. If it's SELinux problem, you shouldbe able to see this in `logcat -b main *:V`.
Upvotes: -1 <issue_comment>username_2: Apps can't elevate their privileges by making use of `set-uid-root` or file capabilities. It's due to [Security Enhancements in Android 4.3](https://source.android.com/security/enhancements/enhancements43):
>
> * **No setuid/setgid programs.** Added support for filesystem capabilities to Android system files and removed all setuid/setguid programs. This reduces root attack surface and the likelihood of potential security vulnerabilities.
> * **Restrict Setuid from Android Apps.** The /system partition is now mounted nosuid for zygote-spawned processes, preventing Android applications from executing setuid programs. This reduces root attack surface and the likelihood of potential security vulnerabilities.
> * **Capability bounding.** Android zygote and ADB now use prctl(PR\_CAPBSET\_DROP) to drop unnecessary capabilities prior to executing applications. This prevents Android applications and applications launched from the shell from acquiring privileged capabilities.
> * **NO\_NEW\_PRIVS**. Android zygote now uses prctl(PR\_SET\_NO\_NEW\_PRIVS) to block addition of new privileges prior to execution application code. This prevents Android applications from performing operations which can elevate privileges via execve. (This requires Linux kernel version 3.5 or greater).
>
>
>
Default SELinux context of `/system/xbin/su` is `u:object_r:su_exec:s0` but it may not be the only constraint.
For more details see:
* [What special privileges “/system/xbin/su” does have w.r.t. root access?](https://android.stackexchange.com/a/207902/218526)
Also:
* [How to manually root a phone?](https://android.stackexchange.com/a/217157/218526)
Upvotes: 1 |
2017/05/22 | 954 | 3,658 | <issue_start>username_0: I want to put my Chrome browser in fullscreen mode without having to scroll down first.
Is it possible? Alternatively, are there any browsers that have this feature?
If it matters, my device is a Samsung Galaxy Tab E, Android 4.4.2. Not rooted.<issue_comment>username_1: Settings > display > expanded desktop
That works on lineageOS, but last time I told someone to looks here, they said their phone didn't have it.
Upvotes: 2 <issue_comment>username_2: It's not possible with Chrome, at least not in current point in time.
Since you said another browser with that feature will also help:
**There were comments (thanks) about the fact that it's really outdated, and probably has some security issues, so it's not really recommended.**
[Full Screen Browser](https://play.google.com/store/apps/details?id=tk.klurige.fullscreenbrowser&hl=en)
=======================================================================================================
**From the app page:**
>
> Web browser that allows for full screen viewing.
> Used in many kiosk applications and similar products.
>
>
> * Hide or dim navigation bar (Home, Back etc).
> * Hide Action bar.
> * Hide status bar.
>
>
> Support for desktop and mobile versions of web pages.
>
>
> [](https://i.stack.imgur.com/zxXwl.png)
>
>
>
Upvotes: 1 <issue_comment>username_3: There is a [great article in How-To Geek on how to force that for any app with Chrome as sample](https://www.howtogeek.com/302194/how-to-force-any-android-app-into-fullscreen-immersive-mode-without-rooting/). It's difficult for non-technical people though.
The approach is to execute a command from a connected computer to put chrome on a "full-screen state". You must connect the tablet via USB-Cable to the PC. I paste the steps for accessibility here:
* Enable USB debugging on Android.
* Install the Android SDK and ADB on PC.
* Find Your App’s APK Name *(Something like “com.android.chrome.”)*
* Verify Your Device Connection with ADB
* Choose Your Immersive Mode (Command line)
This is the command to be executed from the connected PC:
```
adb shell settings put global policy_control immersive.full=com.android.chrome
```
Detailed instructions can be found in the source article.
Upvotes: 2 <issue_comment>username_4: I don't know why chrome doesn't give a option for fullscreen mode.
But you can view a webpage totally fullscreen using another browser such as
1. Brave
2. Full screen browser
3. Samsung browser
4. Mozilla Firefox browser
All the above browsers are in google play store.
Upvotes: 0 <issue_comment>username_5: If you only need fullscreen for a specific site:
1. Open the site in Android Chrome
2. Tap the menu (3 dots at upper right) and choose "Add to Home Screen"
3. It will prompt you to change the title. Tap Ok.
4. Go to your phone's home screen and you should now see a new icon for the site. It opens in full screen like a separate app. (Since my home screen was almost full, the new icon got dumped into a new home screen reachable by swiping left on the main home screen.)
Upvotes: 1 <issue_comment>username_6: Yes, you can do it by just running a line of JavaScript on the webpage. To do so, you can just type in the URL bar this code:
```
javascript: (function(){document.querySelector("body").requestFullscreen();})();
```
To avoid typing this manually, you can add this as a bookmarklet. For this, you have to just add any page in your bookmarks and edit the URL to the code above. After bookmarking, search for it in the url bar and you will be able to run the code.
Upvotes: 3 |
2017/05/22 | 327 | 1,297 | <issue_start>username_0: If I download a twrp image depending on the MTK processor version and not the device name/ manufacturer, will I be wrong ? and will it be 100% working?
Note: the device is not rooted, I am actually trying to root it this way(No other way is working), so let's focus on the question.<issue_comment>username_1: You would probably get your device bricked. When you are making a TWRP (porting or building from source) it will need your kernel, so no, TWRP from other device won't on your device.
Upvotes: 0 <issue_comment>username_2: It doesn't work that way.
TWRP depends heavily on the `fstab` of the device model in question, which describes the partition layout of the storage. This is not related to the SoC (processor), and almost never the same between different models.
Upvotes: 3 [selected_answer]<issue_comment>username_3: Knowing the chipset is one step. You need to also know the Android version of your device. Then download a working TWRP for the MT6735 on the same Android version. You can then port it to your device as usual.
Just flashing the downloaded recovery may not work/boot up unless you port the kernel files, storage files, base etc using that from your own stock recovery. If you do this, you will get a working TWRP for your device.
Upvotes: 0 |
2017/05/23 | 323 | 1,326 | <issue_start>username_0: I am using Micromax tablet for the last 4 years. As internal memory had become full, I removed many apps. Still same was the problem. I thought by factory res-setting the tablet, the problem would go away. Even after factory reset, it shows internal memory is full even after factory reset . What should be done?<issue_comment>username_1: You would probably get your device bricked. When you are making a TWRP (porting or building from source) it will need your kernel, so no, TWRP from other device won't on your device.
Upvotes: 0 <issue_comment>username_2: It doesn't work that way.
TWRP depends heavily on the `fstab` of the device model in question, which describes the partition layout of the storage. This is not related to the SoC (processor), and almost never the same between different models.
Upvotes: 3 [selected_answer]<issue_comment>username_3: Knowing the chipset is one step. You need to also know the Android version of your device. Then download a working TWRP for the MT6735 on the same Android version. You can then port it to your device as usual.
Just flashing the downloaded recovery may not work/boot up unless you port the kernel files, storage files, base etc using that from your own stock recovery. If you do this, you will get a working TWRP for your device.
Upvotes: 0 |
2017/05/23 | 906 | 3,400 | <issue_start>username_0: I'm using Google Photos and I love the automatic backup and free-space feature. Lately (from the day I got a SD card into the phone, which could be meaningful) I see google photos is backing them up but NOT freing space automatically.
I try to free space from the menu, it says "24 photos to be deleted" (but I got thousands of photos) and then it says an error occurred while deleting those 24.
You can find the screenshots here: <https://photos.google.com/share/AF1QipNEwrDRm6gO0D0LrW9YgnI1RA_Ddz-3NvbuZzxTAPy2hLolpUd4MC_x-YwQEyua4A?key=<KEY>>
A friend suggested that probably since I got the SD the phone is saving the photos in the external memory. From there, Google Photos can backup them but can't delete them (don't know why).
I went into settings -> memory -> default memory, changed to "External memory" and rebooted the phone. Still Google Photos can't delete them, I get the same "24 photos to be deleted"/"can't delete them" message.
Did this ever happen to you? How did you manage to solve the issue?
Thank you
Marco<issue_comment>username_1: The SD card on Android is by default mounted in read-only mode: Google Photos can copy photos from the SD card to the server but it cannot edit, create or delete files on the SD card.
To allow Google Photos access read-write to the SD card, follow these steps:
1. Open Google Photos > Side navigation drawer > Device folders > Open a folder that is located on the SD card
2. Try deleting an image in that folder by long pressing on it and then pressing the bin icon in the toolbar.
3. A prompt titled "Give Google Photos access to your SD card?" - allow it.
4. A prompt with a message saying "Grant Photos access to your data, including photos and videos, on ?" - allow it.
5. The photo will be deleted.
This method was tested on my Samsung Galaxy Tab A.
Upvotes: 2 <issue_comment>username_2: >
> Did this ever happen to you? How did you manage to solve the issue?
>
>
>
I am having the same issue on my Samsung Galaxy S7.
The Google Photos app won't "free up space" with photos on the SD card. You can manually remove photos from the SD card within the Google Photos app but make sure you pick the "Delete from device" option on the special menu (not the trash can) and they will still be removed from you device but still be backed up in the cloud.
If you have concerns, someone wrote test case here:
[Google Photos Help: Free up space on SD card](https://support.google.com/photos/thread/497226?hl=en)
What I chose to do was to connect my phone to my Windows PC and delete all of the videos older than 6 months, since videos were taking the most space. It was easier for me to do this than to select in the phone app.
I do wish the Google would get the "free up space" feature working in *their* app on *their* OS, and until then they should clearly explain the limitation in the app.
Upvotes: 1 <issue_comment>username_3: Click on storage in your phone then click on SD card. On the next screen click on the 3 dots on the side and it will take you to another screen that says "format" and "format system." Click on format and it will tell you that you need to format before you can use the SD card. After you click on it and wait a couple seconds you'll be able to use it. Dumb system that isn't explained but I figured this out just clicking around.
Upvotes: 0 |
2017/05/23 | 812 | 3,153 | <issue_start>username_0: I have a rooted Samsung S4 mini(Android 4.4.4), I noted that there are certain files/folders(for example /dev) that when I delete them they come back when I reboot the phone. Why? Is it possible to delete them permanently?
I know that this is very risky and may brick my phone, but:
1. I'm very curious about this.
2. It is my guinea pig device.
3. I can re-flash it(I did it several times ;-)).<issue_comment>username_1: Android is based on Linux, so it inherits much of the folder structure.
Using the command `mount`, you can find out what partitions are mounted in Android and what their respective types are.
I will go over a few important ones.
* `/cache`: This directory hold the *cache* partition. Deleting it won't do much bad, the cache just needs to be rebuild.
* `/data`: This holds your *data* partition. Deleting it (or anything within in) might result in errors, apps crashing or general loss of data.
* `/system`: This holds your *system* partition. Deleting it or anything within it (if possible) might result in your device being incapable to boot successfully.
* `/dev`: This holds device information. It is created upon boot and can be thought of as a *volatile* or *virtual* partition. Files there are usually not removable and not saved.
* `/efs`: This partition holds your IMEI and other info. While it shouldn't be writable, some circumstances might lead to it being cleared. Your IMEI will then be reset to 0 and you can't connect to any mobile network. BEWARE WHEN DOING ANYTHING WITH THIS PARTITION.
* `/proc`: This partition holds *process* information and is, like `/dev`, recreated on boot. Here, however, some files are removable and might lead to processes crashing or locking up. There is no need to do anything in here.
Upvotes: 1 <issue_comment>username_2: While [username_1 explained parts of the folder structure](/a/175418/16575), he missed one "mount point": `/` aka "the root file system". This is created on boot, from contents of the **"boot image"** – which is a so-called "initial RAM disk" or, in short, **[Initrd](https://en.wikipedia.org/wiki/Initrd "Wikipedia: Initrd").** As it's created from the very same source at each boot, you can delete the stuff as often as you want – it will always return (until you "accidentally" delete that boot image itself – and are lost if you don't have a backup). Only after that, the other file systems are mounted – which username_1 listed a few examples from (more details e.g. in [my answer here](/a/46934/16575)).
---
Let me add an urgent warning: Never touch what you don't know what it's for (delete the wrong thing, and your device no longer starts up). Always create a good [backup](/questions/tagged/backup "show questions tagged 'backup'") (see e.g. [nandroid](/questions/tagged/nandroid "show questions tagged 'nandroid'")) before you start "playing" with system files. Far too many people end up here with having things deleted and not being able to get them back: without a proper backup, you can have a very hard time (especially with an exotic device that has no ROMs for download anywhere).
Upvotes: 3 [selected_answer] |
2017/05/24 | 765 | 3,134 | <issue_start>username_0: Here is a screenshot of these apps. I never downloaded them:
[](https://i.stack.imgur.com/lHpyl.jpg)
Screenshot (click image for larger variant)
Many times these have been deleted by me but they are download as well as installed by themselves again and again. What should I do? Also, these apps I never installed all at once rather one by one.<issue_comment>username_1: Solution below working fine for me.
“My phone is not rooted but still infected by this malware. Apps are automatically installed on my phone without my permission..”
What I did is installing this two apps.
Adds on Detector
Stubborn Trojan Killer
And run it few time.
Based on my experience, unwanted new apps keep installed on your phone because your phone infected with Trojan apps ‘Android Systool’. This Trojan cannot be easily rid, it root deep on your phone system and working as a magnet to do illegal apps download on your phone. Seems the developer makes money from installing as many apps that sell advertisment as possible on victim phone.
Upvotes: -1 <issue_comment>username_2: There are several ways of trying to treat this.
1. Download some antivirus apps and see if they can find the app responsible. Unfortunately, this is not likely to be successful.
2. Run a factory reset. If the malware has not embedded itself into the operating system, a factory reset will delete whatever is causing this.
3. Flash the stock operating system. Almost all cases of viruses inside an Android device end up having to use this solution. By reflashing the stock operating system (essentially reinstalling Android), there is absolutely no chance the virus will survive the process. The stock ROM can be found on the manufacturer website for almost all phones. Guides for how to flash ROMS exist for almost every popular phone ever produced. This is not for the faint of heart or those who are not good with computers. If this is the case, try to contact a friend who is. If the phone is still under warranty, this process ***will*** void it. Therefore, if I is under warranty, try to contact the manufacturer for repair first.
Good luck!
Upvotes: 0 <issue_comment>username_3: IMHO, the tools to use ala Android are the ones I've used in the Enterprise over 25 years. TrendMicro. They have a "housecall" manual scanning tool that will dig through your apps & say yea or nay! You have a "nay" installed somewhere.
You can search TrendMicro on Google Play & find a couple of tools that have a yearly subscription, maintained through Google Play - Google Pay. It has kept my Android Devices clean since v. 2.2 of Android. TrendMicro Corporate is in Japan. They seem to find nasties earlier/better than others.
Kaspersky is in Russia, AVG is in the Czech Republic. Kaspersky is blacklisted for US Government use. AVG is free, but you get what you pay for. They do have premium products. I've never been impressed with them.
Good Luck to you, I hope this helps! I stay away from "Norton" tools, as most malware is designed to TURN OFF Norton services first. Nasty folks.
Upvotes: 0 |
2017/05/24 | 1,645 | 6,306 | <issue_start>username_0: I have a micromax phone and its autoinstalling some apps. I dont know weather these apps are installed from play store or from the micromax "app center" (which I never used). This problem started about one week ago although I dont remember doing anything which may have started this problem ... Everyday the same apps get installed and I uninstall them as quickly as possible to prevent them from spreading Viruses in my phone. The apps include: Clean Master, UC News, Superb Cleaner etc etc. I suspect that these apps are getting installed by some inbuilt malware created by Micromax itself because Clean Master was installed when I brought the phone but at that time I had unistalled it.
I saw a [previous question](https://android.stackexchange.com/questions/172161/how-to-block-pre-installed-auto-app-installer-malware) which showed how to make a certain folder unwriteable but in my case I dont even know which folder should I block.
Please help me and tell what steps should I take the next time I see these apps on my phone.
Further info: phone model: Micromax E481 Android version: 5.1 lollipop.<issue_comment>username_1: **If you have root access**
1. Select an auto-installed app (any one works)
2. Find its package name (There are many ways to achieve this)
3. Target the file `/data/system/packages.xml` and open it in a text editor
4. Find the package name in Step 2
5. Scroll the line to the right and look for
```
installer="xxxxxx">
```
You may find many occurrences in Step 4. If that line doesn't look like this, go to next match.
6. Take down the content of "installer" and find that app. Get rid of it.
Upvotes: 2 <issue_comment>username_2: Follow some of these steps to solve your problem (based on my experience):
1. Under **Settings → Security**, uncheck **Allow installation of apps from unknown sources**.
2. Install these two apps:
* [Adds on Detector](https://play.google.com/store/apps/details?hl=en&id=com.denper.addonsdetector)
* [Stubborn Trojan Killer](https://play.google.com/store/apps/details?hl=en&id=com.cleanmaster.security.stubborntrjkiller)
Unwanted new apps keep installing in your Android phone because your phone is infected with the Trojan ‘**Android Systool**’. This trojan cannot be easily gotten rid of, as it roots itself deep on your phone system, downloading unwanted and malicious apps to your phone.
Upvotes: 0 <issue_comment>username_3: The symptoms listed in the question indicate that the malware has infected the ROM (system partition most likely) or it was already shipped with the ROM and now has begun to show its color.
In your particular case, as your hunch proved it to be correct, it appears to be App Center app which was acting as the malware. Disabling it [stopped](https://android.stackexchange.com/questions/175494/unwanted-apps-auto-installing-without-me-doing-anything-how-to-stop-them?noredirect=1#comment225921_175494) those installations.
If anyone has identified such malware as a system app which cannot be uninstalled, see if you can disable it from GUI. To disable it, go to **Settings** app → **Apps →** (three dots line, if exists → **Shows System) All apps** → your app → **Disable**.
If the Disable button is greyed out and **if you don't have root access**, than you can block the app from being run. You would first have to identify the package name of that malware app. You can use an app, such as [AppXplore](https://play.google.com/store/apps/details?id=com.sonyericsson.androidapp.AppExplore) to know the package name. For example, in the screenshot [here](https://lh3.googleusercontent.com/Ef1sM2SsgkAhiq64raN5yqTGm62MtOmGrEDjTsrCVoh-ZHL5t1a2GlXlVSUukQd66ug=h900-rw) the package name of the app *Android Live Wallpapers* is *com.android.wallpaper* which is listed below the title of the app. You can find so for your malware too.
After that, setup [adb](/questions/tagged/adb "show questions tagged 'adb'") in PC, enable [usb-debugging](/questions/tagged/usb-debugging "show questions tagged 'usb-debugging'") and execute the commands:
```
adb shell pm hide PACKAGE # for Android Lollipop
adb shell pm uninstall --user 0 PACKAGE # for Android Marshmallow and Nougat. This is bit tricky. Some reports its result positive, while others, negative.
adb shell pm disable-user PACKAGE # alternative to aforesaid second command for Android 5.0 and above
adb shell pm block PACKAGE # for Android Kitkat
adb shell reboot
```
*PACKAGE* should be substituted by the package name of the malware app.
Know that if you have issues identifying the malware app you may have to try a few things, such as
* monitoring the network using a firewall or a system monitor to single out that app, such as through OS Monitor app, or
* by identifying system apps with signature not matched with your OEM's and Google's and than analyze which amongst the leftovers might be the malware.
* perhaps scanning the phone with some anti-malware tool from Play Store could help as well
* lastly, if the malware app was stupid enough to leave the installer package name as its own package name, than provided you still have at least one of the apps installed automatically (like Clean Master) by that malware, you could do:
```
adb shell pm list packages -i PACKAGE
```
This would show some package name next to `installer=`. If it is `null` than you got to try something else until you figure out the package name of the malware app.
**If you've root access**, you can choose to disable or remove the malware app. There are many apps in Play Store, such as Titanium Backup, System App Remover, and the likes which can remove or disable a system app. Use any of them to remove that malware. **Be very careful**, since removing a system app may make your phone non-bootable and that means, taking a trip to service center of your OEM or getting yours hands more dirty.
At last, if you can install a custom ROM or if you are sure your stock ROM was clean and you have access to it, than by all means, get the device flashed by yourself or those who can do so for you. Running a system already compromised by a malware is a risky business.
And keep the **Unknown sources** under **Settings → Security** disabled, to remain on safe side.
Upvotes: 3 [selected_answer] |
2017/05/24 | 414 | 1,480 | <issue_start>username_0: 
I have a Xiaomi mi5 (MIUI 8) and I would like to remove the white background of these icon but I don't know if It is possibile<issue_comment>username_1: I don't own a Xiaomi device, but on my Samsung J5 I have the option to remove those background at **Settings > Displays > Icon frame**. Check to see if there is something similar.
Upvotes: 1 <issue_comment>username_2: <https://drive.google.com/file/d/0B9BY9VLrcBPjNjY3eXhkQ25aMHM/view>
From above link download a .mtz file(theme file)
and apply that theme.
You need a designer account to apply third party themes
Signup for designer account at <http://designer.xiaomi.com>
It takes 24 hrs for designer account verification.
Upvotes: 1 [selected_answer]<issue_comment>username_2: You can download another launcher from the PlayStore that looks like you want it.
There are many launcher that look like the one from MIUI and even more themes.
Upvotes: 0 <issue_comment>username_3: You can try using nova launcher and apply the Android stock icon pack from the look and feel option in settings. It will remove the backgrounds in the icons. Alternatively, you can try using some icon packs if you are not a fan of the stock circle icons. I made a list of popular icon packs for Android on my website. Check them out [Top 5 Android Icon Packs](http://reviewdeeper.com/2017/07/top-5-android-icon-packs-for-july-2017.html)
Upvotes: -1 |
2017/05/24 | 188 | 773 | <issue_start>username_0: Device: Samsung Galaxy Tab E
OS: Android 6.0.1
Question: How can I allow a restricted account I've created on my tablet to turn the mobile hotspot on and off? Is this only accessible via admin?
Thanks<issue_comment>username_1: Actually I don't know a different way, you can access only via admin. I'm sorry, let me know if I helped you.
Upvotes: 0 <issue_comment>username_2: The hotspot can programmatically be turned off through apps. For example, an app called CamScanner takes camera photos of receipts or invoices and can email them as PDFs or image files. If there is no 4G signal available, it will enable WiFi, which disables hotspots by default. This will effectively disable the hotspot despite not being on an admin account.
Upvotes: 1 |
2017/05/24 | 128 | 571 | <issue_start>username_0: Can I retrieve my contacts back to my device .I recently reset my device to the manufacturers original.<issue_comment>username_1: It would be worth checking to see if google automatically synced your contacts to your gmail account. If so, they are recoverable if not they’re toast.
Upvotes: 1 <issue_comment>username_2: The best and easiest way to backup your contacts is to sync them with your google account. If you have done so then you can recover them without any issue, if not then unfortunately you won't get any contacts back.
Upvotes: 0 |
2017/05/27 | 632 | 2,480 | <issue_start>username_0: I'm on android 6.0.1. My main and only Internet is my phone. I don't have a router, Access Point, nor switch in my home. I use the mobile hotspot feature so other devices can connect to the Internet. My TV connects to the mobile hotspot as well. I am trying to cast from my phone to my TV but it doesn't seem to find it. Other devices have no problem. It's this at all possible to have mobile hotspot and be able to cast from the same device?<issue_comment>username_1: Its possible, it is much easier if you have **two devices** (e.g 2nd smartphone, tablet or PC)
* Create a mobile hotpot AP using the **secondary** device.
* Once setup, connect the **primary** device (where you are going to setup chromecast) to the mobile hotspot AP and the TV
* Setup the chromecast as normal with the primary device and since the setup is once off you don't necessarily need to use the secondary device after inital setup. The Chromecast stays configured to the hotspot's wifi until otherwise reconfigured.
* The trick is to setup the Chromecast **and use the same WiFi settings** when creating your hotspot. Chromecast doesn't look for a specific router as the source of the wifi signal. It just looks for hotspot name (SSID) and tries to connect using the stored encryption and password
* The consequence is that you just use the same WiFi settings when configuring mobile hotspot for the primary device.
Acknowledgements
* [Chromecast Help Forum](https://productforums.google.com/forum/#!msg/chromecast/xC5J-KSCRUo/MNdx6AcjEQAJ)
* [Casting from Android device using mobile data?](https://www.reddit.com/r/Chromecast/comments/2mi5pt/casting_from_android_device_using_mobile_data/)
Upvotes: 3 <issue_comment>username_2: It was hard to do but I did it, my Chromecast put out a wifi network labeled "Chromecast7002.b" I connected to it with my note 4 (the one I would later be using as a hotspot) and engaged the setup.
Once I got it to ask which wifi to connect to I chose other, and for simplicity sake labeled it "Hopefully this works" and had it unprotected. I then set up my hotspot to match (without completely closing out Google home) and turned it on.
Then I used a moto z force and connected that to my hotspot, at this point I could see both the Chromecast and the phone connected to hotspot, and had to wait for the Chromecast to give up trying to connect, so I could reengage setup from the moto z force, afterwards it worked brilliantly.
Upvotes: 2 |
2017/05/27 | 574 | 2,256 | <issue_start>username_0: I was using an Android phone which has 1500+ contacts, and I don't want to miss them because now I am using an iPhone and I want to convert all Android phone contacts to iPhone. Is there any solution which can help me?<issue_comment>username_1: Its possible, it is much easier if you have **two devices** (e.g 2nd smartphone, tablet or PC)
* Create a mobile hotpot AP using the **secondary** device.
* Once setup, connect the **primary** device (where you are going to setup chromecast) to the mobile hotspot AP and the TV
* Setup the chromecast as normal with the primary device and since the setup is once off you don't necessarily need to use the secondary device after inital setup. The Chromecast stays configured to the hotspot's wifi until otherwise reconfigured.
* The trick is to setup the Chromecast **and use the same WiFi settings** when creating your hotspot. Chromecast doesn't look for a specific router as the source of the wifi signal. It just looks for hotspot name (SSID) and tries to connect using the stored encryption and password
* The consequence is that you just use the same WiFi settings when configuring mobile hotspot for the primary device.
Acknowledgements
* [Chromecast Help Forum](https://productforums.google.com/forum/#!msg/chromecast/xC5J-KSCRUo/MNdx6AcjEQAJ)
* [Casting from Android device using mobile data?](https://www.reddit.com/r/Chromecast/comments/2mi5pt/casting_from_android_device_using_mobile_data/)
Upvotes: 3 <issue_comment>username_2: It was hard to do but I did it, my Chromecast put out a wifi network labeled "Chromecast7002.b" I connected to it with my note 4 (the one I would later be using as a hotspot) and engaged the setup.
Once I got it to ask which wifi to connect to I chose other, and for simplicity sake labeled it "Hopefully this works" and had it unprotected. I then set up my hotspot to match (without completely closing out Google home) and turned it on.
Then I used a moto z force and connected that to my hotspot, at this point I could see both the Chromecast and the phone connected to hotspot, and had to wait for the Chromecast to give up trying to connect, so I could reengage setup from the moto z force, afterwards it worked brilliantly.
Upvotes: 2 |
2017/05/27 | 583 | 2,295 | <issue_start>username_0: I have Lenovo Android tablet and I rooted using Kingo root. After rooting my device I started getting unwanted ads. So I unrooted the device using some Google references. But still I'm getting the same ads in my device.
Please help me getting rid of those.<issue_comment>username_1: Its possible, it is much easier if you have **two devices** (e.g 2nd smartphone, tablet or PC)
* Create a mobile hotpot AP using the **secondary** device.
* Once setup, connect the **primary** device (where you are going to setup chromecast) to the mobile hotspot AP and the TV
* Setup the chromecast as normal with the primary device and since the setup is once off you don't necessarily need to use the secondary device after inital setup. The Chromecast stays configured to the hotspot's wifi until otherwise reconfigured.
* The trick is to setup the Chromecast **and use the same WiFi settings** when creating your hotspot. Chromecast doesn't look for a specific router as the source of the wifi signal. It just looks for hotspot name (SSID) and tries to connect using the stored encryption and password
* The consequence is that you just use the same WiFi settings when configuring mobile hotspot for the primary device.
Acknowledgements
* [Chromecast Help Forum](https://productforums.google.com/forum/#!msg/chromecast/xC5J-KSCRUo/MNdx6AcjEQAJ)
* [Casting from Android device using mobile data?](https://www.reddit.com/r/Chromecast/comments/2mi5pt/casting_from_android_device_using_mobile_data/)
Upvotes: 3 <issue_comment>username_2: It was hard to do but I did it, my Chromecast put out a wifi network labeled "Chromecast7002.b" I connected to it with my note 4 (the one I would later be using as a hotspot) and engaged the setup.
Once I got it to ask which wifi to connect to I chose other, and for simplicity sake labeled it "Hopefully this works" and had it unprotected. I then set up my hotspot to match (without completely closing out Google home) and turned it on.
Then I used a moto z force and connected that to my hotspot, at this point I could see both the Chromecast and the phone connected to hotspot, and had to wait for the Chromecast to give up trying to connect, so I could reengage setup from the moto z force, afterwards it worked brilliantly.
Upvotes: 2 |
2017/05/27 | 350 | 1,450 | <issue_start>username_0: Is there any way I can change the icons (displayed on the home screen) for apps on my Android device?
(Apps includes both system apps and apps downloaded from play store)<issue_comment>username_1: As beeshyams has already written in the comment, it is possible with this [app](https://play.google.com/store/apps/details?id=com.jy.iconchanger.ad).
Alternatively, another launcher can be installed. Many launchers (Like [Nova](https://play.google.com/store/apps/details?id=com.teslacoilsw.launcher)) can be customized with various themes.
Upvotes: 2 [selected_answer]<issue_comment>username_2: If you want to change icons and edit the size, placement, color virtually anything i suggest a launcher. go to the play store and download Nova Launcher. install it and play around with its many options. As you will see editing your entire Android experience can be done with this launcher. However you need tp go back to the play store and down load some Icon packs. I cute icons I downloaded upbeat monsters icon pack.
after it is down loaded go into Nova settings and choose look and feel. a list of icon packs will be listed choose upbeat monsters and it will automatically change them. for more editing you can long press any icon and it will give you options to edit if you pick upbeat monsters again you will get a ton of icons to choose from.
This is only one example of many launchers and thousands of icons
Upvotes: -1 |
2017/05/27 | 561 | 2,283 | <issue_start>username_0: I recently updated my Moto 360 2nd generation to Android Wear 2.0. Due to the fact that I didn't get a notification for it, I forced the installation by spamming the green tick saying that there isn't a update available on version 1.5.
After the installation, I set it up and due to the fact that it got quite hot, I went to setting>system then powered it off.
After holding down the power button to turn it back on, it came up with a boot screen screen. It had various options such as normal boot, recovery, and power off. When I selected normal boot or recovery mode, the watch just seemed to turn off.
I managed to boot back into the Android Wear 2.0 operating system by putting the watch on the charging dock with the dock connected to power. The watch turn on normally when connected to power.
Is this a bug? Are there any fixes for this issue. FYI, I did have about 30% battery, I'm not sure if this is the cause, I highly doubt it though.
Any help and suggestions are much appreciated.
Sid.<issue_comment>username_1: As beeshyams has already written in the comment, it is possible with this [app](https://play.google.com/store/apps/details?id=com.jy.iconchanger.ad).
Alternatively, another launcher can be installed. Many launchers (Like [Nova](https://play.google.com/store/apps/details?id=com.teslacoilsw.launcher)) can be customized with various themes.
Upvotes: 2 [selected_answer]<issue_comment>username_2: If you want to change icons and edit the size, placement, color virtually anything i suggest a launcher. go to the play store and download Nova Launcher. install it and play around with its many options. As you will see editing your entire Android experience can be done with this launcher. However you need tp go back to the play store and down load some Icon packs. I cute icons I downloaded upbeat monsters icon pack.
after it is down loaded go into Nova settings and choose look and feel. a list of icon packs will be listed choose upbeat monsters and it will automatically change them. for more editing you can long press any icon and it will give you options to edit if you pick upbeat monsters again you will get a ton of icons to choose from.
This is only one example of many launchers and thousands of icons
Upvotes: -1 |
2017/05/29 | 520 | 2,068 | <issue_start>username_0: How to force desktop version of websites ?
Changing the user agent of the browser is useless.
Many sites steal your resolution info to shove the mobile version down your @$$
How to overcome that ?
I use Opera browser, for information sake. Altough I suppose the fix lays outside of the browser
Got Xposed<issue_comment>username_1: Launching browser in desktop mode is related to the browser and not something that needs to be tweaked in Android OS. I have no idea for Opera, but for :
. Chrome - see [How to make Google Chrome definitely remain as the desktop version?](https://android.stackexchange.com/q/154077/131553)
. Mozilla has [Desktop by default](https://addons.mozilla.org/en-US/android/addon/desktop-by-default/) add-on
Upvotes: 1 <issue_comment>username_2: Brave Browser allows one to force the desktop version. The setting is under settings->site settings.
Unfortunately it is missing per site choosing of desktop/mobile versions
Upvotes: 0 <issue_comment>username_3: Well..using Android 7 and the latest Chrome version.. you just need to open the web site <http://m.version.com>...
Then using the optios on the rigth top address bar you select the option Desktop Site...then the page is open in its original desktop layout as <http://www.version.com>...
Once in the desk top version, you just create the short cut of this page by adding it to the home screem..by selecting the option Add to Home screen in the address top rigth options menu...
Once the system add it to the home screen it just copy the actual address of the page added..which will be the desktop version..www.version.com..
So now every time you need to access the page, using this short cut, it will be in ist original layout www.version.com..
However, if you pretend to use this option to every page you view..it wiil no be a solution since you will end with a crowded home page...probably many pages to surfe the wanted page. Taking in consideration that most of the home pages hold at least 30 shortcut icons.....too many to be good.
Upvotes: 0 |
2017/05/29 | 736 | 2,883 | <issue_start>username_0: I've been having this problem for a long time, can't remember how much exactly. No matter what I've tried, I haven't managed to get my computer recognize my opo **(Cyanogen 13.0)**.
When I connect it absolutely nothing happens. The device manager doesn't flash (doesn't recognize a new device connected), so I cannot find/update/remove the drivers anyhow.
*Developer options* on my phone have a bunch of things but none seems relevant, apart from open/close Android debugging (adb) and select *USB Configuration* (Charging/MTP/PTP etc). I've tried several options, nothing seems to change.
I've also installed some Windows MTP drivers (see [here](https://forums.oneplus.net/threads/mtp-windows-10-helpful-stuff.418365/)) which were supposedly solving the issue caused by a Windows 10 update, but no luck (which could have been the issue, but can't be sure-I can't remember the last time I was able to browse my phone's memory).
Any ideas? It seems so strange to me that I am the only one with that issue.
I know CM was abandoned and was thinking to change to another version, but I can't even move my files right now :(<issue_comment>username_1: Launching browser in desktop mode is related to the browser and not something that needs to be tweaked in Android OS. I have no idea for Opera, but for :
. Chrome - see [How to make Google Chrome definitely remain as the desktop version?](https://android.stackexchange.com/q/154077/131553)
. Mozilla has [Desktop by default](https://addons.mozilla.org/en-US/android/addon/desktop-by-default/) add-on
Upvotes: 1 <issue_comment>username_2: Brave Browser allows one to force the desktop version. The setting is under settings->site settings.
Unfortunately it is missing per site choosing of desktop/mobile versions
Upvotes: 0 <issue_comment>username_3: Well..using Android 7 and the latest Chrome version.. you just need to open the web site <http://m.version.com>...
Then using the optios on the rigth top address bar you select the option Desktop Site...then the page is open in its original desktop layout as <http://www.version.com>...
Once in the desk top version, you just create the short cut of this page by adding it to the home screem..by selecting the option Add to Home screen in the address top rigth options menu...
Once the system add it to the home screen it just copy the actual address of the page added..which will be the desktop version..www.version.com..
So now every time you need to access the page, using this short cut, it will be in ist original layout www.version.com..
However, if you pretend to use this option to every page you view..it wiil no be a solution since you will end with a crowded home page...probably many pages to surfe the wanted page. Taking in consideration that most of the home pages hold at least 30 shortcut icons.....too many to be good.
Upvotes: 0 |
2017/05/30 | 608 | 2,381 | <issue_start>username_0: When I updated my mobile, it power offed then it gone to bootloader mode then I pressed on normal power, but it didn't, so I press on recover, it gone to TWRP mode and I pressed on recover, there some codes happened, and then it gone off. till then nothing working.
not even charging, and not opening bootloader too.
pls I need your suggestion. THANK YOU
[This video on Youtube](https://youtu.be/enx3KxcWtFU) (published March 2015) is showing same problem that I have. You can see in the comments that still this problem is going on.
see article about Easy JTAG on internet. you can understand how this begin and end.<issue_comment>username_1: Launching browser in desktop mode is related to the browser and not something that needs to be tweaked in Android OS. I have no idea for Opera, but for :
. Chrome - see [How to make Google Chrome definitely remain as the desktop version?](https://android.stackexchange.com/q/154077/131553)
. Mozilla has [Desktop by default](https://addons.mozilla.org/en-US/android/addon/desktop-by-default/) add-on
Upvotes: 1 <issue_comment>username_2: Brave Browser allows one to force the desktop version. The setting is under settings->site settings.
Unfortunately it is missing per site choosing of desktop/mobile versions
Upvotes: 0 <issue_comment>username_3: Well..using Android 7 and the latest Chrome version.. you just need to open the web site <http://m.version.com>...
Then using the optios on the rigth top address bar you select the option Desktop Site...then the page is open in its original desktop layout as <http://www.version.com>...
Once in the desk top version, you just create the short cut of this page by adding it to the home screem..by selecting the option Add to Home screen in the address top rigth options menu...
Once the system add it to the home screen it just copy the actual address of the page added..which will be the desktop version..www.version.com..
So now every time you need to access the page, using this short cut, it will be in ist original layout www.version.com..
However, if you pretend to use this option to every page you view..it wiil no be a solution since you will end with a crowded home page...probably many pages to surfe the wanted page. Taking in consideration that most of the home pages hold at least 30 shortcut icons.....too many to be good.
Upvotes: 0 |
2017/05/30 | 403 | 1,427 | <issue_start>username_0: Before the latest Android security update every time I have some form of Do Not Disturb on I get suggestions from Android to enable On-Body Detection. I click on the three dots and then it goes away - temporarily that is and it just keeps coming back.
Motorola Moto G4 - Noughat 7.0
[](https://i.stack.imgur.com/uV84N.png)<issue_comment>username_1: This happens probably because you've set one of your device as trusted device. So, whenever the phone detects your body sensors, it prompts you this notification.
The feature is called [**Smart Lock**](http://www.samsung.com/uk/support/skp/faq/1105600). This automatically unlocks your device when trusted places or devices have been detected, so you don't need to manually unlock your device.
You can disable it at ***Settings > Lock Screen and Security > Secure Lock Settings > Smart Lock***, then toggle it to Off.
[](https://i.stack.imgur.com/9nOeO.jpg)
Upvotes: 1 <issue_comment>username_2: As mentioned [here in the comments](https://www.androidexplained.com/nougat-remove-suggestions/) by Android Explained.
>
> You need to go into Google settings, activate on body detection and
> then deactivate it again. Once that is done then you won't get
> reminded about it anymore.
>
>
>
(This worked for me)
Upvotes: 3 [selected_answer] |
2017/05/30 | 517 | 1,829 | <issue_start>username_0: I can't seem to pull or push files from my phone. The file exists, and I can get into the adb shell. But whether I do the command `adb pull` or `adb shell` and then `pull`, it doesn't work.
If I do it via shell, it gives me `'push: not found'`. If I do `adb pull` on the Windows command line, it just gives me a list of all ADB commands (so it doesn't understand push or pull).
I am using the correct syntax:
* Within shell: `push (or pull) /path/to/file`
* Outside shell: `adb push (or pull) /path/to/file`
I am working as root too.
The file I need doesn't seem to be visible to the graphical file manager I have on the phone, even though it has root permissions and is showing hidden files. It's visible via `adb`, so it's definitely there!
What's wrong, and how do I fix it?<issue_comment>username_1: This happens probably because you've set one of your device as trusted device. So, whenever the phone detects your body sensors, it prompts you this notification.
The feature is called [**Smart Lock**](http://www.samsung.com/uk/support/skp/faq/1105600). This automatically unlocks your device when trusted places or devices have been detected, so you don't need to manually unlock your device.
You can disable it at ***Settings > Lock Screen and Security > Secure Lock Settings > Smart Lock***, then toggle it to Off.
[](https://i.stack.imgur.com/9nOeO.jpg)
Upvotes: 1 <issue_comment>username_2: As mentioned [here in the comments](https://www.androidexplained.com/nougat-remove-suggestions/) by Android Explained.
>
> You need to go into Google settings, activate on body detection and
> then deactivate it again. Once that is done then you won't get
> reminded about it anymore.
>
>
>
(This worked for me)
Upvotes: 3 [selected_answer] |
2017/05/31 | 389 | 1,381 | <issue_start>username_0: I am trying to factory data reset my Oppo Neo 7 (Android 5.1) using ADB shell. Any way I can try and link to ADB shell?<issue_comment>username_1: For devices that support Fastboot mode, you can try the following commands:
1. Enter fastboot mode: `adb reboot bootloader`
2. Check whether the mobile phone is also in fastboot mode: `fastboot devices`
3. Delete the data: `fastboot erase userdata`
4. Delete cache: `fastboot erase cache`
Upvotes: 3 <issue_comment>username_2: You need:
* [Minimal ADB & Fastboot](https://androidmtk.com/download-minimal-adb-and-fastboot-tool) which contains ADB executable then unzip the file
* [ADB drivers](https://gsmusbdriver.com/oppo-neo-7) and install them
* A computer
Steps:
1. Open the folder where Minimal ADB & Fastboot is, launch it.
2. Now on your phone, enable USB Debugging, then connect to the computer.
3. On the terminal window, type `adb devices` [press enter].
You should see something like: `xxxxxxxxx device detected`
4. Type `adb shell` [press enter]
5. Type `recovery --wipe_data` [press enter], or if it doesn't work, type `wipe data`[press enter]
6. Your phone should restart and begin the restoration process.
**Alternate Option**
You can also simply boot into the recovery then perform the reset manually. Type the following command on your terminal:
```
adb reboot recovery
```
Upvotes: 4 |
2017/05/31 | 670 | 2,522 | <issue_start>username_0: The more I'm using an Android phone since years, the more I see a general problem arriving, for which I haven't found any **easy** solution after many attempts, involving MTP, SSH, FTP, adb, AirDroid, Shared folders, Sambadroid, etc. Note: I've read nearly all questions about this here on Android.SE.
**General question: How can a non-power user retrieve all his photos present on phone to his PC, in one or two easy steps?** i.e.:
```
Phone/DCIM/Retrica
Phone/WhatsApp/WhatsApp Images/
Phone/WhatsApp/WhatsApp Images/Sent
Phone/WhatsApp/WhatsApp Videos/
Phone/WhatsApp/WhatsApp Videos/Sent
ExtSdCard/DCIM/Retrica
...
```
For myself, I've done a Terminal Emulator script, that moves everything in a single folder, and then I'm syncing this folder to a PC folder with Resilio Sync.
But this is super complicated, my mother wouldn't be able to do it for example, and nor my brother (who is just an everyday-life phone user but non-power user).
---
Let's compare these two methods:
1. **Before Android 4: Connect phone to PC, use USB Mass Storage. Then it's like a good old standard USB flash drive. Search \*.jpg, Cut, Paste. Done!** Important: a non-power-user can do it.
2. After Android 4: Connect phone to PC, use MTP (UMS no more enabled). Impossible to search \*.jpg. Impossible to run a script. Impossible to run any standard backup software because MTP doesn't give a drive letter. Any solution that involves hacking to actually have a letter would be a power-user solution, which I don't want, according to question before.
*Remark: The fact that super easy method #1 is no more available might be done on purpose to force users to use cloud services, etc. but that's a whole debate that would be out of topic here*.<issue_comment>username_1: enable developer mode and use otg cable and usb stick and copy pix to usb
Upvotes: 0 <issue_comment>username_2: The simplest method would be to connect the phone to the computer then enable PTP (pictures transfer protocol) on the phone instead of MTP.
On Windows, a dialog usually pops up just choose *Import images and videos*. Alternatively you can right-click on the phone icon in *Computer* and select *Import images and videos*.
The computer then retrieve ALL photos and videos inside the phone and copy them to a folder in the computer.
This [article](https://www.howtogeek.com/192732/android-usb-connections-explained-mtp-ptp-and-usb-mass-storage/amp/) provide further informations about android USB connections.
Upvotes: 1 |
2017/06/01 | 442 | 1,574 | <issue_start>username_0: I'm trying to call someone on an Android phone (UK, dual SIM), but instead of ringing, I'm getting about 6 seconds of silence then a popup system message (plain text in a while box):
>
> **Normal calls are restricted by access control**
>
>
> Okay
>
>
>
Then the call attempt ends.
What does this mean? My phone was working fine earlier, I haven't installed anything or changed any settings, I have credit, etc etc.
---
I saw a question where [someone with the same error message was asking how to programmatically detect this state](https://android.stackexchange.com/questions/159301/normal-calls-are-restricted-by-access-control-blocking-incoming-and-outgoing), but their suggested quick fix of flicking airplane mode on and off didn't immediately fix it (and doesn't help me understand what it means).<issue_comment>username_1: It's a carrier related problem - not Android or device . See
* [MIUI forum](http://en.miui.com/thread-116409-1-1.htm)
* [Google help forum](https://support.google.com/nexus/forum/AAAANseOu187CMqg1kaQEg/?hl=en)
>
> This is caused by your provider. You should give them a call and explain the problem....
>
>
>
(and it points to Android forum discussion)
Upvotes: 0 <issue_comment>username_2: It is not a network problem, it's a device problem.
We tested by changing the SIM. The SIM with the issue was swapped to another handset and worked fine. The SIM from the working handset swapped into the faulty one and had the exact same problem. This proves it is a device, not a network issue.
Upvotes: 1 |
2017/06/02 | 445 | 1,624 | <issue_start>username_0: I really need to know how to completely fry an S5 (don't ask why) using ADB while attached to a USB to my computer. Someone had posted the instructions for an S4 but the command only turned it off and on again when I used it. If there is any other method I can use to do this (break it I mean, but not physically), let me know.<issue_comment>username_1: Requires root access
```
dd if=/dev/zero of=/dev/block/mmcblk0
```
It won't complete through the whole disk, but will proceed to a point where the device flashes black and falls irresponsive. All data are not erased, but the system is gone and it's very hard to recover.
For the same effect:
```
dd if=/dev/zero of=/dev/block/mmcblk0 bs=4096 count=256
# Only erases the first 1MB, where the GPT table lies
```
Alternatively (for Galaxy S5 and other "modern" phones):
```
dd if=/dev/zero of=/dev/block/by-name/aboot
```
An aftersale service can recover the device without breaking it open, which is what you wanted. I'm not going to post any details about recovery, only the fact that it **can** be recovered.
Upvotes: 2 <issue_comment>username_2: If you have root right then its very simple. with adb command
```
$ adb shell rm /system/bin/linker
```
you can also try this with terminal emulater with root permission
this will remove executable linker which is very important for .so library in system or in apps.
after reboot i'm sure you can't access your device.
but if you want it back you can use flash tool to flash stock ram and get running it back.
you can also try to remove some other binary in system part.
Upvotes: -1 |
2017/06/02 | 1,157 | 3,734 | <issue_start>username_0: I'm aware of two Android emulators such as [BlueStacks](http://www.bluestacks.com/) (Windows and macOS) and [Genymotion](https://genymotion.en.softonic.com/) (macOS and Linux). They both use virtual images to run Android emulation and they work fine on my MacBook. However they won't work on VPS, as you can't use VM within already virtualized environment (such as VPS or Amazon EC2).
Is there any solution to run Android app with works 24h/7d on Amazon EC2 or on different VPS, either on Linux, macOS or using some special AMI used for Android?<issue_comment>username_1: There is a [Genymotion on-Demand](https://aws.amazon.com/marketplace/seller-profile?id=933724b4-d35f-4266-905e-e52e4792bc45) available in AWS Marketplace to get Android emulated directly using AMI (support for Android 5-7).
>
> Genymotion on-Demand for AWS, based on industry-leading Genymotion, is Android operating system on EC2.
>
>
>
Check [Genymotion on Demand Tutorial](https://www.genymotion.com/help/on-demand/tutorial/) for further details.
Upvotes: 3 [selected_answer]<issue_comment>username_1: Thanks to [Ravello’s](https://support.ravellosystems.com/) full nested virtualization support, it is possible to run Android emulator with hardware acceleration in any public cloud by following these steps:
1. Create a host VM in Ravello (on AWS) for the Android emulator.
>
> The easiest way to get a Xubuntu 14.04.1 up and running on Ravello is by installing it from a CD-ROM.
>
>
>
Make sure to enable full virtualization support for the emulator on this Ubuntu VM by loading the KVM module:
```
sudo modprobe kvm_amd
sudo chmod 666 /dev/kvm
```
2. Install the Android Emulator on the newly created VM in AWS.
1. Install OpenJDK
```
sudo apt-get install openjdk-6-jre openjdk-6-jdk icedtea6-plugin
```
2. Download and install the latest Android SDK:
```
wget http://dl.google.com/android/android-sdk_r23.0.2-linux.tgz
tar -xvzf android-sdk_r23.0.2-linux.tgz
cd ~/android-sdk-linux/tools
./android
```
3. Create an AVD (Android Virtual Device) to run on emulator.
```
~/android-sdk-linux/tools/android avd
```
4. Run the android virtual device with a local display (to the ravello console):
```
sudo ./emulator64-x86 -avd [AVD Name] -noaudio -nojni -netfast -no-boot-anim -qemu -enable-kvm -snapshot
```
5. Enable direct VNC connection to the AVD.
>
> You would like to be able to allow for direct VNC connection to this AVD, either using a VNC client, or by using a VNC to HTML5 gateway such as Guacamole or NoVNC to enable direct access to the Android device from any web browser.
>
>
>
Source: [How to run the Android Emulator (with Hardware Acceleration) on Amazon EC2 and Google Cloud](https://www.ravellosystems.com/blog/android-emulator-on-amazon-ec2-and-google-cloud/)
See also: [Getting Started with Ravello - Step-by-Step](https://support.ravellosystems.com/hc/en-us/articles/207785328-Getting-Started-with-Ravello-Step-by-Step)
Upvotes: 2 <issue_comment>username_1: There is an available instance of [BlueStacks App Player](https://aws.amazon.com/marketplace/pp/B01N0E0YYZ/) on [Windows 2012 R2](https://aws.amazon.com/marketplace/pp/B00KQOWCAQ) on the Amazon Marketplace provided by Cognosys Inc.
>
> BlueStacks App Player is a great tool for allowing you to run your favorite mobile apps/games in full screen in your browser using a PC or Mac.
>
>
>
It is suggested to use the minimum of `t2-medium` type of the instance which will start the player app and can provide low-color low-action games can be played (slow, but it does work). For more resource-hungry games, higher type of instances needs to be used. For the storage, 32GB should be used or more.
Upvotes: 0 |
2017/06/03 | 1,121 | 3,631 | <issue_start>username_0: Android 4.4.2 Kitkat Stock Browser
If I start it or open new tab, downloading of apk file (xb\_client\_blah-blah-blah.apk) from site no.stepfaster.com immediately starts instead of opening page which is set as default.
Obviously some malware fixed Browser's config. Which file and how to fix this?
No root. Browser was stopped and cache cleaned several time. Nothing was installed before this. The mentioned site contains AdSDK apk-files.<issue_comment>username_1: There is a [Genymotion on-Demand](https://aws.amazon.com/marketplace/seller-profile?id=933724b4-d35f-4266-905e-e52e4792bc45) available in AWS Marketplace to get Android emulated directly using AMI (support for Android 5-7).
>
> Genymotion on-Demand for AWS, based on industry-leading Genymotion, is Android operating system on EC2.
>
>
>
Check [Genymotion on Demand Tutorial](https://www.genymotion.com/help/on-demand/tutorial/) for further details.
Upvotes: 3 [selected_answer]<issue_comment>username_1: Thanks to [Ravello’s](https://support.ravellosystems.com/) full nested virtualization support, it is possible to run Android emulator with hardware acceleration in any public cloud by following these steps:
1. Create a host VM in Ravello (on AWS) for the Android emulator.
>
> The easiest way to get a Xubuntu 14.04.1 up and running on Ravello is by installing it from a CD-ROM.
>
>
>
Make sure to enable full virtualization support for the emulator on this Ubuntu VM by loading the KVM module:
```
sudo modprobe kvm_amd
sudo chmod 666 /dev/kvm
```
2. Install the Android Emulator on the newly created VM in AWS.
1. Install OpenJDK
```
sudo apt-get install openjdk-6-jre openjdk-6-jdk icedtea6-plugin
```
2. Download and install the latest Android SDK:
```
wget http://dl.google.com/android/android-sdk_r23.0.2-linux.tgz
tar -xvzf android-sdk_r23.0.2-linux.tgz
cd ~/android-sdk-linux/tools
./android
```
3. Create an AVD (Android Virtual Device) to run on emulator.
```
~/android-sdk-linux/tools/android avd
```
4. Run the android virtual device with a local display (to the ravello console):
```
sudo ./emulator64-x86 -avd [AVD Name] -noaudio -nojni -netfast -no-boot-anim -qemu -enable-kvm -snapshot
```
5. Enable direct VNC connection to the AVD.
>
> You would like to be able to allow for direct VNC connection to this AVD, either using a VNC client, or by using a VNC to HTML5 gateway such as Guacamole or NoVNC to enable direct access to the Android device from any web browser.
>
>
>
Source: [How to run the Android Emulator (with Hardware Acceleration) on Amazon EC2 and Google Cloud](https://www.ravellosystems.com/blog/android-emulator-on-amazon-ec2-and-google-cloud/)
See also: [Getting Started with Ravello - Step-by-Step](https://support.ravellosystems.com/hc/en-us/articles/207785328-Getting-Started-with-Ravello-Step-by-Step)
Upvotes: 2 <issue_comment>username_1: There is an available instance of [BlueStacks App Player](https://aws.amazon.com/marketplace/pp/B01N0E0YYZ/) on [Windows 2012 R2](https://aws.amazon.com/marketplace/pp/B00KQOWCAQ) on the Amazon Marketplace provided by Cognosys Inc.
>
> BlueStacks App Player is a great tool for allowing you to run your favorite mobile apps/games in full screen in your browser using a PC or Mac.
>
>
>
It is suggested to use the minimum of `t2-medium` type of the instance which will start the player app and can provide low-color low-action games can be played (slow, but it does work). For more resource-hungry games, higher type of instances needs to be used. For the storage, 32GB should be used or more.
Upvotes: 0 |
2017/06/03 | 412 | 1,726 | <issue_start>username_0: I noticed on a device that the Play Store app didn't work until I inserted a SIM card: is this just a bug or does the Google Play Store app requires a SIM card being present?
**Background:**
I've installed LineageOS + OpenGApps Nano on a Nexus 5 device (without a SIM card). Almost everything worked as expected, including the Google account creation.
What didn't work was the Google Play Store app, though. When going to the 'My apps' sections, there was just an endless checking for updates/connecting animation. Installing apps wasn't possible. Clearing the cache/app data etc. didn't make a difference.
What helped was this: inserting a SIM card! After that and clearing the app data/cache again, the Google Play Store app worked as expected.<issue_comment>username_1: No, a SIM is not required to access to Google Play on any device.
Upvotes: 3 [selected_answer]<issue_comment>username_2: A SIM card is required to download from the Google Play store; I just verified it through my Galaxy Note 20.
Upvotes: 0 <issue_comment>username_3: I was trying to use one of those terrible Calypso phones AT&T sent out for my child to do Zoom. I had to download it from the website directly instead of the play store. I was afraid if I used the Sim card they gave me, it would activate the phone instead of the new upgrade I got after receiving the Calypso. I'm signed into my Google account but it tries to update or download apps, but then quits and points me to a help page that said to clear the cache - no mention of requiring Sim card, yet it seems to. I got into the developer options by tapping the build a bunch of times, but it still has no setting I can find to bypass the Sim card.
Upvotes: 0 |
2017/06/04 | 594 | 2,454 | <issue_start>username_0: I have a Motorola Droid Turbo with Verizon as my carrier. Earlier this week (May 30th), my phone began to receive text messages intermittently. I now go hours without receiving any text messages and then all of a sudden tons of texts will come through that I had missed. Even when I receive the giant dump of texts at that time, not all of the texts will come. I've missed a bunch of texts this week that have never shown up. This is more apparent in group messages. Also, most of the time when I send a text message to someone it will tell me that it failed to send even if they actually received it.
Here are some of the things I've done to try and fix it:
* Turn my phone on and off (many times, and for long periods of times)
* Turn my WiFi on and off
* Turn my bluetooth on and off
* Backed up all of my texts on to Google Drive and then deleted them all off my phone
* Switched from using Textra to using Google Messenger
* Switched from using Google Messenger to using Verizon Messages
* Switched from using Verizon Messages to using the stock messaging app
I've read a bunch of different forums, but nothing seems to be working. I don't think it's the carrier because no one else on my plan is having problems, and I will often get a notification on my phone saying "MMS Timeout - click to retry" and then I click and it doesn't do anything.
I don't really want to reset the phone, especially since it might not fix anything. Does anyone have any other suggestions?<issue_comment>username_1: No, a SIM is not required to access to Google Play on any device.
Upvotes: 3 [selected_answer]<issue_comment>username_2: A SIM card is required to download from the Google Play store; I just verified it through my Galaxy Note 20.
Upvotes: 0 <issue_comment>username_3: I was trying to use one of those terrible Calypso phones AT&T sent out for my child to do Zoom. I had to download it from the website directly instead of the play store. I was afraid if I used the Sim card they gave me, it would activate the phone instead of the new upgrade I got after receiving the Calypso. I'm signed into my Google account but it tries to update or download apps, but then quits and points me to a help page that said to clear the cache - no mention of requiring Sim card, yet it seems to. I got into the developer options by tapping the build a bunch of times, but it still has no setting I can find to bypass the Sim card.
Upvotes: 0 |
2017/06/04 | 375 | 1,267 | <issue_start>username_0: There are 4 common platform such as: ARM, ARM64, x86 and x86\_64 on which Android can run.
**How can I check which platform I'm on within Android OS?** So I can check whether my app is compatible with it or not.
I'm using different emulators (BlueStacks on Mac, Genymotion on Demand, etc.), so I'd like to check basically which platform they're exactly emulating, because some apps works for me on BlueStacks, but not on Genymotion.<issue_comment>username_1: [CPU -Z](https://play.google.com/store/apps/details?id=com.cpuid.cpu_z) is a versatile app that gives you SoC information apart from some other apps
[](https://i.stack.imgur.com/bwlLWm.png)
From app description on play store
Upvotes: 3 <issue_comment>username_2: If you have [adb](/questions/tagged/adb "show questions tagged 'adb'") set up, it's a one-liner at the shell prompt:
```
$ adb shell "getprop ro.product.cpu.abi"
arm64-v8a
```
In this example, the device asked answered that it has a 64bit ARM V8a CPU (second line).
Note: You can also run the quoted command in a terminal emulator running on the device / emulator. In there, it's just `getprop ro.product.cpu.abi`.
Upvotes: 4 [selected_answer] |
2017/06/04 | 378 | 1,164 | <issue_start>username_0: I have a Moto G 3rd Gen, and my phone charger broke. I have both [the raspberry pi official 10W power supply](http://uk.rs-online.com/web/p/plug-in-power-supply/8226373/) and [the raspberry pi official 13W power supply](http://uk.rs-online.com/web/p/products/9098135/). Can I use either or both of them to charge my moto g 3rd gen?<issue_comment>username_1: [CPU -Z](https://play.google.com/store/apps/details?id=com.cpuid.cpu_z) is a versatile app that gives you SoC information apart from some other apps
[](https://i.stack.imgur.com/bwlLWm.png)
From app description on play store
Upvotes: 3 <issue_comment>username_2: If you have [adb](/questions/tagged/adb "show questions tagged 'adb'") set up, it's a one-liner at the shell prompt:
```
$ adb shell "getprop ro.product.cpu.abi"
arm64-v8a
```
In this example, the device asked answered that it has a 64bit ARM V8a CPU (second line).
Note: You can also run the quoted command in a terminal emulator running on the device / emulator. In there, it's just `getprop ro.product.cpu.abi`.
Upvotes: 4 [selected_answer] |
2017/06/04 | 1,133 | 4,377 | <issue_start>username_0: I'm using several Android devices that have Android 6.0.x and 6.0.1, and that I want to use in an IPv6 island ("private") network. The Android devices are either attached to a WiFi-to-Ethernet bridge, or some tablets even accept USB 2.0 Ethernet dongles using OTG cables. The IPv6 network has RAs signalling the IPv6 prefix to use, as well as DNS IPv6 server address, and optionally some more-specific IPv6 routes. There are neither DHCPv6 nor DHCPv4 servers available. Well, there are DHCPv6 servers in this network, but they only respond with delegated prefixes.
Unfortunately, I cannot reliably connect my Android devices to this network. For cross-checking, an ordinary Linux Raspbian-equipped Pi does immediately become connected and works correctly, using DNS and getting proper addresses.
Even when I set a static IPv4 address, my Android devices often don't correctly connect in that they don't use IPv6 DNS, albeit it is getting advertised (RFC 5006). I have to set fake IPv4 DNS server addresses to be able to set the static IPv4 parameters. But even then, the Android devices aren't properly working, either not correctly using DNS or even getting disconnected after some seconds.
What kind of IPv4 connectivity do Android devices expect?<issue_comment>username_1: Since Android 5.0 IPv6-only with RFC 5006(8106) should work completely without ipv4.
Do you have dns64/NAT64 implemented?
Android tries to start 464xlat internally (clat). This fails without dns64/NAT64.
Upvotes: 0 <issue_comment>username_2: So after some more testing, using an especially made Brouter using a Raspberry Pi Zero W, I now know from my tests that **Android 5.x, 6.0/6.1, and 7.0 in fact do support IPv6-only networks**. However, the caveat is that as soon as Android neither gets an IPv4 address nor an IPv6 global address, the network manager will declare this network unusable and will disconnect from it.
The reason why I was experiencing such disconnects was because I was connecting my Android devices to a test network, where I shut down the link-local router from time to time for fixing, and only after some delay restarted it. And during these spans without IPv6 RAs advertising global prefixes and without IPv4, Android declared my network dead and disconnected.
Some more background information gained over time:
* Some Android versions are **allergic to ULA DNS server addresses**, and only deem GUAs proper. However, the same Android versions happily accept *ULA* prefixes. The symptom then is that these Android devices keep connected to an IPv6 network using ULAs, **but cannot resolve any DNS names** after some seconds. Using one of the better diagnosis apps I notice that these Android versions first learn the DNS server address, then remove it after around 15-30 seconds. It seems as if newer Android versions 7.x are less rigid in their expectations at the moment.
* Some Android versions react **allergic to documentary addresses, that is, the `2001:db8::/32` address range**. They are ignoring these addresses, especially for DNS servers. More recent Android versions 7.x seem to be tolerant of using the documentary address block in networks.
In the end, the safe side is as follows, unless you can avoid especially Android 5.x, but also some 6.x releases for sure:
* ULAs `fc00::/7` are evil ;) Please note that this includes the `fd00::/8` often taught as "best practice" in IPv6 courses, so be careful.
* documentary IPv6 addresses `2001:db8::/32` are evil too.
* stick to real global addresses, even if they're faked.
Upvotes: 3 [selected_answer]<issue_comment>username_3: MacOS gives a comprehensive method to test ipv6 with NAT64 internet sharing.
- <https://developer.apple.com/library/archive/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/UnderstandingandPreparingfortheIPv6Transition/UnderstandingandPreparingfortheIPv6Transition.html#//apple_ref/doc/uid/TP40010220-CH213-SW16>
But I found that all my Android phones (Nexus5 with Android 8.1.0, LG V30 with Android 9) are successfully *connected*, but failed to *communicate* to the internet. Well, iPhone works fine.
Three IPv6 was allocated to a phone; two `2001:2::/48` (benchmarking purpose range) and one `ff0x` link-local address.
As @username_2 stated, it seems true that Android itself blocks ULA DNS or a link-local network.
Upvotes: 0 |
2017/06/04 | 990 | 3,734 | <issue_start>username_0: Ever since I bought my Samsung Galaxy A5 (2017), I've been using its Always-On Display feature, which displays a clock or calendar with unread notification icons, or one of four preinstalled images on the screen while it's in the "off" state (e.g. locked).
I'm using the Image option as you can see on the screenshot above. I've heard recently that Samsung phones are notorious for being susceptible to screen burn-in because of their AMOLED displays. Is that something I should be concerned about when using the Always-On Display feature?<issue_comment>username_1: Since Android 5.0 IPv6-only with RFC 5006(8106) should work completely without ipv4.
Do you have dns64/NAT64 implemented?
Android tries to start 464xlat internally (clat). This fails without dns64/NAT64.
Upvotes: 0 <issue_comment>username_2: So after some more testing, using an especially made Brouter using a Raspberry Pi Zero W, I now know from my tests that **Android 5.x, 6.0/6.1, and 7.0 in fact do support IPv6-only networks**. However, the caveat is that as soon as Android neither gets an IPv4 address nor an IPv6 global address, the network manager will declare this network unusable and will disconnect from it.
The reason why I was experiencing such disconnects was because I was connecting my Android devices to a test network, where I shut down the link-local router from time to time for fixing, and only after some delay restarted it. And during these spans without IPv6 RAs advertising global prefixes and without IPv4, Android declared my network dead and disconnected.
Some more background information gained over time:
* Some Android versions are **allergic to ULA DNS server addresses**, and only deem GUAs proper. However, the same Android versions happily accept *ULA* prefixes. The symptom then is that these Android devices keep connected to an IPv6 network using ULAs, **but cannot resolve any DNS names** after some seconds. Using one of the better diagnosis apps I notice that these Android versions first learn the DNS server address, then remove it after around 15-30 seconds. It seems as if newer Android versions 7.x are less rigid in their expectations at the moment.
* Some Android versions react **allergic to documentary addresses, that is, the `2001:db8::/32` address range**. They are ignoring these addresses, especially for DNS servers. More recent Android versions 7.x seem to be tolerant of using the documentary address block in networks.
In the end, the safe side is as follows, unless you can avoid especially Android 5.x, but also some 6.x releases for sure:
* ULAs `fc00::/7` are evil ;) Please note that this includes the `fd00::/8` often taught as "best practice" in IPv6 courses, so be careful.
* documentary IPv6 addresses `2001:db8::/32` are evil too.
* stick to real global addresses, even if they're faked.
Upvotes: 3 [selected_answer]<issue_comment>username_3: MacOS gives a comprehensive method to test ipv6 with NAT64 internet sharing.
- <https://developer.apple.com/library/archive/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/UnderstandingandPreparingfortheIPv6Transition/UnderstandingandPreparingfortheIPv6Transition.html#//apple_ref/doc/uid/TP40010220-CH213-SW16>
But I found that all my Android phones (Nexus5 with Android 8.1.0, LG V30 with Android 9) are successfully *connected*, but failed to *communicate* to the internet. Well, iPhone works fine.
Three IPv6 was allocated to a phone; two `2001:2::/48` (benchmarking purpose range) and one `ff0x` link-local address.
As @username_2 stated, it seems true that Android itself blocks ULA DNS or a link-local network.
Upvotes: 0 |
2017/06/05 | 547 | 2,341 | <issue_start>username_0: Is there a way which I can select a particular date or a date range in Whatsapp and view those messages under those specific date(s)?<issue_comment>username_1: WhatsApp search features as of now don't have this kind of search for.
I required this feature some months ago to search based on dates and content. Googling led me to *Bag a Chat* app ( can't link it from play store since it is not available on my country). I download from [apkpure](https://apkpure.com/) , used the app for a few days and uninstalled it ( Two reasons - it was a one time requirement for me and second, because of the permissions it wanted)
From memory, you need to save the chats you want to search using the app and filter them based on your search needs. You can search based not only on dates but many other parameters as [explained](http://bagachat.com/central_backup.html)
Upvotes: 2 [selected_answer]<issue_comment>username_2: You can also do the following without using an extra app specialized on searching through WhatsApp.
Go to options (the "..." symbol) -> "more" -> "send chat per email". This way you can export a txt file including date, time and message content and send it per e-mail. This file can be imported to excel or smth and filtered using normal functions of the program you import it to.
Upvotes: 3 <issue_comment>username_3: This isn't exactly a go to date feature but it will get you close and uses the standard whatsapp app. Look at the media in a chat (3 dots, "Media, links, and docs") and when you move the scrollbar slider it will show the month and year so you can use that to quickly jump close to the date you wanted. Then open up one of the media items, click the 3 dots, and select "Show in chat". You'll be on the date the media item is from which is hopefully close to the date you wanted to look at.
For greater accuracy you can swipe through the media items before selecting "Show in chat". It will show the date at the top of the screen which should let you find something closer to the date you wanted. This second option might help you get there faster with less scrolling but it kind of depends on how often you have media in this chat and how many messages you might need to scroll through. It might be faster to just jump to the right month and start scrolling a little.
Upvotes: 0 |
2017/06/05 | 378 | 1,539 | <issue_start>username_0: I have a phone whose screen broke, but I'd like to export its contacts to `.vcf` so I can import them to another phone. I usually do this with the built-in import/export function in the Contacts app overflow menu, but without a screen it is inaccessible. Is it possible to do this via adb?<issue_comment>username_1: Yes and no. If your screen is working, you can use an OTG cable or a MicroUSB to USB adapter and plug a mouse into your phone. Works like a dream. If you have no visual display that is another matter.
1. You must have already enabled USB debugging.
2. You must have already connected the phone to your computer and verified it.
3. You must have already rooted your phone to access the contacts file.
*It's extremely difficult*
If you have done the above then you send the `adb pull` request to the correct location, and with that received file you will have to do a couple of things.
1. Find out the correct format for your phone's contacts DB.
2. Figure out the correct conversation script to convert to the new phone's DB format.
3. Send the converted file to the new phone.
---
**Easiest Solution**
Just make sure your contacts are backed up and linked to your Gmail email.
Upvotes: 0 <issue_comment>username_2: The contacts database can be queried using the ADB shell:
```
adb shell content query --uri content://com.android.contacts/data
```
The command will dump all the content of the database only if the `shell` have the permission `READ_CONTACTS`, else it will fail.
Upvotes: 2 |
2017/06/05 | 548 | 2,249 | <issue_start>username_0: I have a Samsung S5 (not rooted) linked to a single gmail account. Several months ago I started noticing contacts disappearing. I would attempt to call or text them and they wouldn't come up in the search. It has recently gotten much worse (or maybe I just didn't notice before), but now roughly half of my contacts are now missing.
I can log into gmail via a browser and see them all there. (I don't have gmail app on my phone). I can add new contacts either in gmail or on my phone and they sync down within minutes. However there are many of my old important contacts that are in gmail but will not sync to the phone. I have even tried modifying a few and they do not show up on the phone.
I'm not trying to do anything fancy here. It seems like some of these contacts are messed up somehow and I can't figure out what is going on. Another hint: at some point I imported a bunch of contacts into gmail via CSV file, but don't see any pattern with the ones that are having problems.
Thanks,
Eric<issue_comment>username_1: Yes and no. If your screen is working, you can use an OTG cable or a MicroUSB to USB adapter and plug a mouse into your phone. Works like a dream. If you have no visual display that is another matter.
1. You must have already enabled USB debugging.
2. You must have already connected the phone to your computer and verified it.
3. You must have already rooted your phone to access the contacts file.
*It's extremely difficult*
If you have done the above then you send the `adb pull` request to the correct location, and with that received file you will have to do a couple of things.
1. Find out the correct format for your phone's contacts DB.
2. Figure out the correct conversation script to convert to the new phone's DB format.
3. Send the converted file to the new phone.
---
**Easiest Solution**
Just make sure your contacts are backed up and linked to your Gmail email.
Upvotes: 0 <issue_comment>username_2: The contacts database can be queried using the ADB shell:
```
adb shell content query --uri content://com.android.contacts/data
```
The command will dump all the content of the database only if the `shell` have the permission `READ_CONTACTS`, else it will fail.
Upvotes: 2 |
2017/06/06 | 187 | 731 | <issue_start>username_0: it's been a while since I updated my Nexus 10 tablet and with each new update, I'm being notified of further newer updates. I've updated my device 6-7 times in 3 days. Where can I find the list of all released updates so I can decide whether I want to update to get certain feature in a later update or not?<issue_comment>username_1: Ok. I found that there's a list of all security updates here:
<https://source.android.com/security/bulletin/>
Edit: will update if I find the list for each device.
Upvotes: -1 <issue_comment>username_2: In the link below they have the factory images for all the versions of Androids for Nexus and Pixel devices
<https://developers.google.com/android/images>
Upvotes: 0 |
2017/06/06 | 143 | 558 | <issue_start>username_0: It looks like rooting a device require using uncertified app, are any of these app open source ? how do we know they are safe to use ?<issue_comment>username_1: Ok. I found that there's a list of all security updates here:
<https://source.android.com/security/bulletin/>
Edit: will update if I find the list for each device.
Upvotes: -1 <issue_comment>username_2: In the link below they have the factory images for all the versions of Androids for Nexus and Pixel devices
<https://developers.google.com/android/images>
Upvotes: 0 |
2017/06/06 | 370 | 1,521 | <issue_start>username_0: I've a quite old version of android in my smartphone. I use whatsapp regularly, except yesterday where I had to try to update, and I couldn't do it because I don't have enough space on my smartphone. I've removed whatsapp and try the reinstallation but it doesn't work... Is there anything I can do? I read that there's probably some procedure I could try using both root privileges (that I have) and an emulated terminal.
This is not the first time that happens, usually I just remove apps that I don't use, but now I don't really know what to do.
Any suggestions?<issue_comment>username_1: Try to completely delete the Whatsapp folder form a file explorer and also locate and delete the data folder using a root explorer (ES File Explorer). Try again. Maybe even factory reset ans retry if you can afford to factory reset or maybe take a backup and factory reset anyway.
OR
Maybe earlier version of Whatsapp was small enough to fit on your phone and newer version is now heavier so there is no way for you to install it.
Upvotes: 0 <issue_comment>username_2: You should know that WhatsApp is no longer supported on devices running android 2.3 and below. Newer updates won't simply install. The support had to end on june, and we're on june.
You should consider upgrading to a newer phone.
However, in some exceptions, WhatsApp can be installed when you download directly the APK file.
Try downloading the file from [here](http://htpp://whatsapp.com/android).
Upvotes: 2 [selected_answer] |
2017/06/07 | 306 | 1,277 | <issue_start>username_0: Basically I'm using SafetyNet by Google to check at the beginning whenever my application is opened to see if a phone is rooted. If it is, I'll prevent my app from running. So as you can tell if it is possible to root an android phone while a specific app is running, then what I'm doing can be bypassed. So is it possible?<issue_comment>username_1: Try to completely delete the Whatsapp folder form a file explorer and also locate and delete the data folder using a root explorer (ES File Explorer). Try again. Maybe even factory reset ans retry if you can afford to factory reset or maybe take a backup and factory reset anyway.
OR
Maybe earlier version of Whatsapp was small enough to fit on your phone and newer version is now heavier so there is no way for you to install it.
Upvotes: 0 <issue_comment>username_2: You should know that WhatsApp is no longer supported on devices running android 2.3 and below. Newer updates won't simply install. The support had to end on june, and we're on june.
You should consider upgrading to a newer phone.
However, in some exceptions, WhatsApp can be installed when you download directly the APK file.
Try downloading the file from [here](http://htpp://whatsapp.com/android).
Upvotes: 2 [selected_answer] |
2017/06/07 | 3,223 | 10,115 | <issue_start>username_0: I have bricked my device (The Motorola Moto X Style (UK)) after trying to install SuperSU on my device running the latest MM build.
Through hours and hours of research, I am trying to flash a stock build to my device, downloaded from this website <https://firmware.center/firmware/Motorola/Moto%20X%20Style/Stock/XT1572/>
I am following the instructions in this thread:
<https://forum.xda-developers.com/moto-x-style/development/firmware-moto-x-style-pure-stock-t3272486>
These are the commands you are told to enter into command prompt:
```
fastboot oem lock begin
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system system.img_sparsechunk.6
fastboot flash system system.img_sparsechunk.7
fastboot flash system system.img_sparsechunk.8
fastboot flash system system.img_sparsechunk.9
fastboot flash modem NON-HLOS.bin
fastboot erase modemst1
fastboot erase modemst2
fastboot flash fsg fsg.mbn
fastboot erase cache
fastboot erase userdata
fastboot oem lock
fastboot reboot
```
I have tried 2 different builds, both of them failing when reaching the same commands. This is my console window at the moment after reaching the sparsechunk.2 file
```
D:\platform-tools-latest-windows\platform-tools>fastboot devices
TA391006KH fastboot
D:\platform-tools-latest-windows\platform-tools>fastboot flash partition D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\gpt.bin
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:partition: not found
target reported max download size of 536870912 bytes
sending 'partition' (32 KB)...
OKAY [ 0.016s]
writing 'partition'...
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.393s
D:\platform-tools-latest-windows\platform-tools>fastboot flash bootloader D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\bootloader.img
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:bootloader: not found
target reported max download size of 536870912 bytes
sending 'bootloader' (2699 KB)...
OKAY [ 0.155s]
writing 'bootloader'...
(bootloader) flashing aboot ...
(bootloader) flashing sbl1 ...
(bootloader) flashing pmic ...
(bootloader) flashing rpm ...
(bootloader) flashing tz ...
(bootloader) flashing hyp ...
(bootloader) flashing sdi ...
OKAY [ 1.637s]
finished. total time: 1.805s
D:\platform-tools-latest-windows\platform-tools>fastboot flash logo D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\logo.bin
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:logo: not found
target reported max download size of 536870912 bytes
sending 'logo' (3687 KB)...
OKAY [ 0.081s]
writing 'logo'...
OKAY [ 0.116s]
finished. total time: 0.204s
D:\platform-tools-latest-windows\platform-tools>fastboot flash boot D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\boot.img
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:boot: not found
target reported max download size of 536870912 bytes
sending 'boot' (40960 KB)...
OKAY [ 0.985s]
writing 'boot'...
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 1.702s
D:\platform-tools-latest-windows\platform-tools>fastboot flash recovery D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\recovery.img
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:recovery: not found
target reported max download size of 536870912 bytes
sending 'recovery' (41040 KB)...
OKAY [ 0.961s]
writing 'recovery'...
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 1.728s
D:\platform-tools-latest-windows\platform-tools>fastboot flash system D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\system.img_sparsechunk.0
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (257199 KB)...
OKAY [ 5.813s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 6.232s
D:\platform-tools-latest-windows\platform-tools>fastboot flash system D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\system.img_sparsechunk.1
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (255632 KB)...
OKAY [ 5.848s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 5.917s
D:\platform-tools-latest-windows\platform-tools>fastboot flash system D:\XT1572_CLARK_RETEU_6.0.1_MPHS24.107-58-5_cid7_subsidy-DEFAULT_CFC.xml\system.img_sparsechunk.2
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (255866 KB)...
OKAY [ 5.851s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 5.920s
```
What am I doing wrong? Do these errors mean that I am trying to flash the wrong firmware?
Thanks for any help in advance!<issue_comment>username_1: To answer your question specifically: In Moto devices, Preflash Validation Error means the factory image you are attempting to flash is older than the one you have currently installed and Moto devices **do not** support downgrading of the bootloader or partition table (gpt.bin) regardless if the bootloader is locked or unlocked.
There is also a second issue here with the system sparsechunks failing, but that is more related to having other "stuff" in the system folder that is remaining from other ROMs or flashed patches, typically a format (different from a wipe) of /system and /data in TWRP before starting the flash process clears this up.
You are also not beginning or ending your flash process correctly for the image you are using...You should begin with "fastboot oem fb\_mode\_set" and end with "fastboot oem fb\_mode\_clear" prior to the reboot, more on this in a second...
There are really 2 options here, you can skip the partition table (gpt.bin), and possibly the bootloader.img file if it fails, and continue the flash process. It should complete and operate normally and you can accept OTA updates. Or you can wait until a newer factory image becomes available.
Performing a "relock" of the bootloader is not possible when downgrading, meaning you got a preflash validation error, because you are not flashing a complete image. Performing an `oem lock begin` and `oem lock` requires ALL pieces of the factory image be flashed successfully, which is not possible if you are downgrading.
To answer the obvious next question, we do not have the latest factory images for this device, we are one to two versions behind depending on the variant, and Moto/Lenovo is less than forthcoming with providing them so we tend to get them by "other" means.
I have written a complete tutorial on XDA on returning this device to it's factory state, it is available [here](https://forum.xda-developers.com/moto-x-style/general/guide-return-to-stock-relock-bootloader-t3489110). All of these issue have been discussed and answered in this thread in great detail, most are recoverable issues but not all without a current factory image.
Upvotes: 3 <issue_comment>username_2: find flashfile.bat then run it instead run manual
or you should start to run 2 command:
>
> fastboot getvar max-sparse-size
>
>
> fastboot oem fb\_mode\_set
>
>
>
full example of :
Motorola\_Moto\_X\_Style\_XT1572\_CLARK\_RETLA\_DS\_7.0\_NPHS25.200-15-8\_CID12
```
echo off
fastboot getvar max-sparse-size
fastboot oem fb_mode_set
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system system.img_sparsechunk.6
fastboot flash system system.img_sparsechunk.7
fastboot flash system system.img_sparsechunk.8
fastboot flash system system.img_sparsechunk.9
fastboot flash system system.img_sparsechunk.10
fastboot flash modem NON-HLOS.bin
fastboot flash fsg fsg.mbn
fastboot flash bluetooth BTFM.bin
fastboot erase modemst1
fastboot erase modemst2
fastboot erase cache
fastboot erase userdata
fastboot erase customize
fastboot erase clogo
fastboot flash fsg fsg.mbn
fastboot flash bluetooth BTFM.bin
fastboot oem fb_mode_clear
echo -------------------------------------------------------------------------
echo please scroll up and check your flash for any errors
echo -------------------------------------------------------------------------
pause
fastboot reboot
exit
```
Upvotes: 1 |
2017/06/07 | 299 | 1,191 | <issue_start>username_0: I assume i can install an older apk before the sms integration timer was added, freeze updates and use hangouts for SMS forever.
I have two questions
1) how can i find the most recent version that won't have the warning message
2) where are my SMS stored, will i lose the history?<issue_comment>username_1: You can check previous versions at [this link](https://www.apkmirror.com/). You SMS are stored on your device locally. You can always change to another SMS application like [Textra](https://play.google.com/store/apps/details?id=com.textra)
or [Default Android Messages](https://play.google.com/store/apps/details?id=com.google.android.apps.messaging)
Upvotes: 1 <issue_comment>username_2: I've managed to get this all good. I went through apkmirror and kept updating versions of hangouts until I found one that didn't throw the "SMS will not work in hangouts soon".
I stopped on version 16, but could possibly have gone one higher I think. I'm not too bothered about having the latest features for hangouts, it's just a text messenger.
I then disabled updates in play store and I'm good to go.
Thanks for the answers everyone
Upvotes: 1 [selected_answer] |
2017/06/06 | 736 | 3,003 | <issue_start>username_0: I've been working on an Android navigation app, and to be able to use this on my motorcycle I need a waterproof device. Since I couldn't find a waterproof device that fits my needs, I was thinking of buying standard parts and recasing them.
Would it be possible to take a motherboard from let's say a Huawei P8 and attach a larger and brighter screen to it?
What would be some tips on doing this?<issue_comment>username_1: Depends on the device. If you get one with HDMI out you can connect it to an external screen and expect it to work.
Otherwise you have to take a very close look at the connectors and signal standards of the replacement screen *and touchscreen digitizer*. If you find one that's exactly the same but larger then it might work out of the box.
If it's not the same resolution then you will most likely have problems which require rooting the device and fiddling with its display drivers.
(I managed to get a variant of this by accident; the Asus Transformer has two almost-indistinguishable models of touchscreen digitizer, but one of them has the X coordinate flipped. This makes it very hard to safely buy as a spare part.)
Upvotes: 2 [selected_answer]<issue_comment>username_2: It is much easier and cheaper if, instead of getting a phone/tablet and trying to change the screen, you get a board which actually uses custom boards.
For instance, you can get a Raspberry PI, attach an HDMI monitor to it, add the required sensors (e.g. GPS), flash android on the SD and use it. This may require some work to find the right sensor compatible out-of-the-box with the android distribution, but it is MUCH easier than trying to adapt the video drivers to your screen.
You'll also need a battery and some power converters, but it is still much easier than the other part (and you can fine-tune the features to your needs)
UPDATE: I was very surprised to discover that the rPI has no android official distro... ?????
Anyway in the past I used an Orange PI zero (this supports Android 4.4, but I used a classic linux distro for it). This has built-in wifi, but in order to use accelerometers or GPS you will have to tweak a bit.
[Here](http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=174) someone managed to install a USB GPS, and maybe you can figure out how to attach an accelerometer to it if you really need it..
Keep in mind that the Orange PI and the Banana PI are very similar, so you can use one of the two and port the code and procedures from one to the other
Upvotes: 0 <issue_comment>username_3: As your problem (as stated in the comments) seems to be with the screen brightness rather than the actual screen, it may save a lot of work if you just beefed up the backlight LEDs and associated circuitry. This change may even be able to be modded onto the original phone PCB. This would save the effort of writing custom drivers, doing custom screen interfaces, etc. that accompanies changing the screen itself.
Upvotes: 0 |
2017/06/09 | 787 | 3,009 | <issue_start>username_0: I nearly get nuts because I cannot root my ZTE Blade V6 (europe version).
In the past I have rooted several android devices. Actually it was quite the same procedure everytime:
```
1. Install platform-tools (adb and fastboot)
2. Make device appear in "adb -devices"
3. Make device appear in "fastboot devices"
4. Flash any recovery via fastboot (I tend to prefer CWM)
5. Copy Custom-ROM (usually a *.zip for the OS and one for gapps) to internal or external space
6. Start phone into recovery and install the zip and afterwards the gapps
7. Done
```
However this seems to fail on the ZTE Blade V6 this time:
If I go to the stock recovery, it is all in chinese (or some other letters I can not read).
So I flashed a CWM recovery.img to the phone, from <https://forum.xda-developers.com/android/software-hacking/twrp-recovery-3-0-2-zte-blade-v6-t3362252>. The flashing seems to work (However it says: target didn't report max-download-size) But it does not boot into it. It just does not do anything after flashing the recovery. No Recovery, no fastboot. Only thing that works after that is normal start. Directly sending `adb reboot recovery` after flashing makes a simple restart of the device into stock ROM.
I tried different recovery images but the output is usually the same.
Somewhere I found a command that does directly boot the image and not only flash it:
```
fastboot boot recovery.img
```
All the images I tried report `FAILED (remote: bad boot image header)` when directly booted this way.
Can someone tell me what's wrong and/or help me flash my droid?<issue_comment>username_1: Install Blade Checker then see but sounds like you have chinese version not european might solve the language problem.
Upvotes: -1 <issue_comment>username_2: First of all, make sure that you got the proper "recovery.img" for your device. Invalid header is not a good message.
Then,if you are able to communicate with an Android phone via adb, you can boot it into recovery mode by command "adb reboot recovery".
What I suggest for your situation is(I assume you don't need fastboot oem unlock):
1. Make sure your PC can see your device by the command: "adb
devices".
2. Boot into fastboot mode by the command: "adb reboot bootloader".
3. Flash recovery image to recovery partition: "fastboot flash recovery
recovery.img".
4. Exit fastboot mode: "fastboot reboot". (Some bootloaders may support fastboot boot recovery.img, I am writing for generic.)
5. After exiting fastboot mode, wait for Android to boot, then check if
your PC communicates with your device: "adb devices".
6. Reboot into recovery mode: "adb reboot recovery".
7. Now, the bootloader is expected to load CWM.
In case you need "fastboot oem unlock"(you will see a warning like "partition flashing is not allowed" at 3rd step above, because of verified boot feature.); under Settings->Development Settings, turn on OEM unlock. Then, run below commands:
* adb reboot bootloader
* fastboot oem unlock
Upvotes: 0 |
2017/06/10 | 180 | 668 | <issue_start>username_0: i´ve just installed Android 7 and this icon on the top left appeared, i want to know what it is, also i dont have any apps whith that icon..[](https://i.stack.imgur.com/xWtHU.jpg)
my phone is a HTC one M9<issue_comment>username_1: It's the Peel notification. Its a remote app that comes pre installed on some devices. The notification lets you power off, change volume and go to the app.
Upvotes: 1 <issue_comment>username_2: its a peel remote control icon, if you want to remove it simply uninstall the app by going to setting> app manager> and remove the app.
Upvotes: 0 |
2017/06/11 | 259 | 1,010 | <issue_start>username_0: I have installed BlueStack on my Windows 10 notebook. I wanted to set up the status of my WhatsApp account. However, I couldn't find any option to navigate through and add a video file.
I could set up the status of my WhatsApp account by taking a new photo using my camera, but I want to add an already downloaded video file to my status.<issue_comment>username_1: 1. Install Open Camera for Android.
2. Then, click on view picture (denoted by the most recent picture in the gallery on the upper right-hand corner).
3. Complete action using view picture if it asks for it.
4. Then click on the share icon on the image. Share pictures via WhatsApp. 5. When WhatsApp opens automatically, click on My status then send.
This worked for me.
Upvotes: 0 <issue_comment>username_2: 1. Open your picture or gallery in Bluestack (if you don't have one, go get one).
2. Then select the picture or videos you want to use and click share.
3. Click WhatsApp, and then click My status.
Upvotes: -1 |
2017/06/11 | 4,079 | 17,214 | <issue_start>username_0: Laptops have usually at most four cores, and dualcores are probably more common. I have recently switched from quadcore to dualcore and I can confirm there is a limited number of usecases for quadcore, even with CPU intensive tasks.
On the other hands, at mobile phones, quadcores, hexacores and octacores seem to be common. Why? What tasks can utilize them?
I understand that [big.LITTLE](https://en.wikipedia.org/wiki/ARM_big.LITTLE) can be a part of the answer. That is, the main benefit of so many cores is not the ability to use all of them simultaneously, but rather using a core with power consumption appropriate for the current workload. However, for example, the Snapdragon 625 has eight Cortex-A53 cores, which does not seem to be a case for big.LITTLE.
Maybe the ARM architecture has a lower point of optimal performance per watt. That is, having a single core tuned for optimal performance per watt results in a lower performance on ARM than on Intel. So, more cores are used in order to deliver the performance. This is just a hypothesis.
But even in this case, I don't see what workload can efficiently use, say, eight cores on a mobile phone. On laptops, I can imagine a few like full (non-incremental) compilation of a project. But on phones?
* Games can be performance-hungry, but they usually require GPU performance rather than CPU, don't they?
* Theoretically, multiple cores could speed up Android Lollipop/Marshmallow AOT compilation when installing or when upgrading (i.e., the phase “Optimizing apps 3/121”). I am, however, not sure if this can utilize multiple cores. As far as I remember the code, only one app is being compiled at a time, but maybe there is some parallelism within the compilation process itself.
* Also Android 7+ could utilize multiple cores when compiling. But since it reportedly compiles when idle and charging, the benefit seems to be rather minimal. At least when one charges the phone overnight – I really don't care if it takes 30minutes or two hours in such a scenario.<issue_comment>username_1: As you've already noted, **the [big.LITTLE](https://en.wikipedia.org/wiki/ARM_big.LITTLE) combination strategy** (technically, [**HMP**](https://en.m.wikipedia.org/wiki/Heterogeneous_computing), **Heterogeneous Multi-Processing** clusters) is the primary reason for so many (and sometimes overwhelmingly many) cores. A mobile device often runs into multiple scenarios, both heavy load and light load ones included.
An extreme consumer-class example is MediaTek's Helio X20, which has 2 performance-oriented A72 cores, 4 balanced A53 cores, plus 4 energy-efficient A35 cores. That's very flexible throughout different usage cases. However, I think ~~8 cores~~ 2 clusters is usually enough.
There's also another desktop-like example, Qualcomm's Snapdragon 800 series (S 800, S 801, and S 805). There are only 4 cores of the same microarchitecture in each SoC, with 2 clocked higher and 2 clocked lower. Qualcomm made these SoCs because they were very confident of their own microarchitecture (Krait 400 and Krait 450).
For games, even if they seemingly demand GPU performance rather than CPU, they still put a heavy load on the CPU. A GPU cannot work alone without something else supplying it with data to be processed, and that's one of the major jobs that the CPU is doing while you're gaming. In most gaming cases, the GPU only renders graphics, while all other jobs like loading data, resources and assets, and calculating in-game mechanics like the system, environment and physics are done by the CPU. You won't observe a higher frame rate if you upgrade your GPU while sticking to a low-end CPU.
A secondary reason is **how Android utilizes CPU resources**. Android pretty much makes their own application environment. It uses nothing but codes (and APIs) from Java, but it has its own virtual machine named Dalvik, which was later replaced by ART (API Level 21). APKs have their executable codes in a "neutral" format, much like `.class` files in Java. Before they're run, the codes get compiled once more into the machine's native instructions[1]. The compilation process is multi-threaded and can utilize multi-cores for a performance boost.
And when an app is running, there are several other processes and mechanics (like the Garbage Collector) that run alongside, or parallel to the app. More cores can let the supportive processes run more efficiently, as well as the main app.
1. If you use a file type identifier, you'll find that "optimized" dex files are in ELF format, while the "neutral" dex files are just in a format of their own.
Another lesser reason is that **ARM cores can't work as fast as an Intel x86 chip**. The Intel x86 microarchitecture can be dated back to 1976, when the [Intel 8086](https://en.wikipedia.org/wiki/Intel_8086) chip started to be designed, which means that the x86 has developed over a long time. A single modern high-end ARM Cortex-A73 core is only as powerful as an Intel Clarkdale core, taking [Core i5-660](http://browser.primatelabs.com/geekbench3/search?q=i5-660) as an example (GeekBench, single-core). This is because x86 is a [CISC](https://en.wikipedia.org/wiki/Complex_instruction_set_computer) microarchitecture while ARM is a [RISC](https://en.wikipedia.org/wiki/Reduced_instruction_set_computer) microarchitecture. You surely don't want a phone that becomes laggy with only two or so active apps. More cores will help relieve the pressure. That's why dual-core SoCs are relatively popular only on smart watches. Who needs performance on a smart watch?
Interestingly, **more cores will result in less power than a single core at the same load**. The relationship between CPU frequency and power consumption is more than linear, so twice the frequency will always result in demanding more than twice, or even 3x or 4x as much power, while delivering less than twice the performance (due to other resource limitations like cache). So 4 cores can easily beat a single core at the same load, providing better performance and simultaneously demanding less power.
Further Reading:
* [Why 8 and 10 CPU cores in smartphones are a good idea – a lesson from the kitchen](http://www.androidauthority.com/why-8-and-10-cpu-cores-in-smartphones-are-a-good-idea-607894/)
* [Why some phones have two quad core processors and some have similar clocked octa core. Which is better one in terms of performance?](https://www.quora.com/Why-some-phones-have-two-quad-core-processors-and-some-have-similar-clocked-octa-core-Which-is-better-one-in-terms-of-performance?share=1)
Upvotes: 7 [selected_answer]<issue_comment>username_2: The reason is as simple as much as complicate.
The short answer is "because the mobile phone market has never been and is not driven by Intel".
The long answer is way too long to resume here, but the basic concept is that Intel has dominated the PC market for years with all means possible, to the point of paying and corrupting (and being fined for this) to have his CPUs be the first and only choice for PC manufacturers.
Having the total control of the market has allowed Intel to inflate the CPU prices while artificially deciding which features and how much processing power the users should have wanted, and if you analyse a bit Intel history you'll notice that its main strength is basically in the increase of CPUs frequency, so it mostly never tried to do something really smart or innovative; and it didn't need it, because it can just say to people "you don't need more cores, but I have this juicy new CPUs which runs 100 MHz faster". At the same time, it could sell multicore CPUs in the server market at absurdly high prices
(because servers have always **needed** tons of parallel power, to the point that there is a current trend in trying to realize servers that use...guess what? Hundred of your cheap phone CPUs working in parallel)
This, in turn, has reflected into the developers community which has never caught up with the importance of parallel programming, so that many if not most of the them never bothered using more than one thread at time -or, to express it in a non technical way, having their software do more than one task at time. Which, by the way, makes sense when 99% of your customers base has two cores at max. Sadly, this is had led to the legend that parallel algorithms are really difficult to implement and applies only to a small subset of problems.
Instead, finally, the mobile market has never seen Intel success; quite the contrary, actually, as it happens most of the time that Intel tries to do something different from the usual X86 architecture. So, lacking is influence and control of the market, the other CPUs producer have gone in the direction that has been the normality for ages outside the PC market: parallel computing.
Upvotes: 4 <issue_comment>username_3: There are two factors going on, one very practical and the other historical.
The practical reason is the use of mixed architectures in phones. Power consumption is critical for phones and phones spend a lot of time in modes where they require very little performance. It makes sense to have some cores optimized for minimal power consumption when little performance is needed while having some cores optimized to provide maximum performance when it's needed.
The other reason is largely historical. Until 2005 or so, desktop CPUs were all single cores. Improving desktop CPU performance consisted almost exclusively in making a core that can execute as many instructions per second as possible. Even today, so much desktop software cannot take full advantage of multiple cores that many would prefer a CPU with 4 cores over an 8 core CPU with cores 20% slower.
Getting as much performance out of a single core as possible requires huge amounts of CPU real estate. This is real estate that could otherwise be used to provide more cores. This is why Intel's newest Kaby Lake CPUs max out at 4 cores and people buy them because each core is faster than their predecessor's cores. For many, they are an upgrade even from CPUs with a higher core count.
Over time, expect to see much more desktop software fully optimized to support more cores. As that happens, the engineering tradeoffs will start to favor more cores over faster cores on desktops. While cores will almost certainly still get faster, you'll start to see people preferring an 8 core CPU over a 4 core CPU even if each core is 20% slower. Chip designers will follow the market.
Upvotes: 3 <issue_comment>username_4: It's crucial for a phone to be able to provide computational power in short bursts (we need certain apps to be fast) but to also avoid overheating (heat dissipation is much more difficult for phones than for laptops or PCs). In order to accomplish this, architects design phones to use a single core when the workload is light and provide extra cores to boost performance when it is needed. If phones were to use fewer large cores, overheating would become a problem even when the workload is fairly light.
Source: A graduate-level computer architecture course.
Upvotes: 3 <issue_comment>username_5: The answers so far explain some facets of the problem leading to this overwhelmingly many number of CPU cores on Android phones. Read that again; Android phones. The iPhone has managed to stuck to just a couple of cores for ages and still performs much smoother than any Android flagship.
The designers of Android made a huge gamble when deciding to chose the Java programming and as a consequence the JVM as the runtime of applications. Java, due to its design principles solves the problem of needing to compile and build code for each CPU architecture before it could be run on it by sacrificing performance. Java introduces a heavyweight and bulky virtual machine usually called the JVM. The JVM actually emulates a CPU at software level to avoid the need to compile code separately for each device. Think of the JVM as a virtual CPU which has the same properties regardless of the device running it so the code need only be compiled once for the JVM and could then be run on every device. This allows manufacturers to throw any hardware they want before needing to worry about application compatibility. This also allows devices them to fill the market with both crappy low-end devices and quality high-end ones and eventually dominate it.
The JVM itself is merely a specification and people are free to develop their own JVM as long as it adheres to this spec. The original android JVM was called Dalvik. Nowadays Google has replaced that with ART.
Now what is the problem with JVM? It is a heavy piece of software which consumes a whole lot of computing resources. Add to this some other properties of the Java language such as Garbage Collection and the JVM's resource consumption simply becomes too much for a device with modest hardware power. Each application and system service open on your device is itself an instance of the ART JVM and by now you could conclude that managing them all requires some really capable hardware. Thing will get even worse when there is the need to draw user interfaces.
Each application runs on a number of Threads. Each CPU core can run only one thread at a time. Each app has one main thread on which it does the stuff related to the user interface. There could be many more threads per application for doing file access, network, etc. There are generally more apps (and system services) open than there are CPU cores and as a result there are usually much more threads than there are CPU cores. So each core has to switch between processing different threads constantly, doing a little of each one and going to next. This switching takes a lot of time for the CPU and in case of the applications being essentially JVMs, this task becomes even more exhaustive. By increasing the number of cores you simple reduce the number of applications (and therefore threads) each core needs to worry about and that increases the general performance.
Based on this explanation one could deduce that android needs powerful hardware to run smoothly. The early generations of Android devices were famous for lagging, crashing and many other unfortunate things. But over the years these problems have been mostly solved by relying on powerful hardware.
On the other hand, iOS application are compiled to native machine code and hence don't need the virtualization. The language used and the operating system are also more efficient and hence allow these devices to remain smooth without the need for some overkill chipset.
Upvotes: 1 <issue_comment>username_6: First, Java virtual machine can historically benefit from multi-core more than typical desktop software. Even if you write a single-threaded app in Java, it will run faster on a multicore because most of the garbage collector code will run alongside with your app.
Second, a lot of things are going on in the background on your phone: automatic updates, ad downloads, antivirus software, management of GSM module, etc. On a laptop, all these tasks would barely keep one core busy, but ARM cores are much less powerful, so you may want to have at least a couple of those dedicated to background tasks if you want a responsive system.
Finally, there's marketing. Not many users are capable of assessing whether they would benefit from 8 cores, but an 8-core smartphone certainly sounds more expensive than 2 or 4 core one.
Upvotes: 2 <issue_comment>username_7: Resuming all above, i can say that use cases of PC and phone are quite different. PC most times used in single or couple of apps (of course browser with bunch of tabs require many cpu cores, can lag even on top i-3), phones used to multitask. At least network connection, UI draw, system triggers, notifications. If you open task manager on PC there are many of processes too, but they use less than few % of cpu power even on old Core 2 duo.
4 cores is pretty cheap (MTK 65x2 was cost 1$ at start for OEM) It`s also RISK vs CISC when last lack on performance per core. Energy efficient != powerful, [as we can see here](http://cpuboss.com/cpus/Intel-Pentium-N3700-vs-Intel-Pentium-3805U "as we can see"). Multi-core is perfect for mobile,because no serious heavy single tread load, and multi-task aimed experience (but we can see that iPhones need less cores and RAM due to good software [like in this video or others](https://www.youtube.com/watch?v=3ajdZQc3q_8) )
Upvotes: 0 <issue_comment>username_8: I think one of the main driving factors beyond a 4 or 8 (for big:little configurations) is just marketing at the moment.
One huge problem of the high core count is when you consider the size of the memory. Normally in desktop apps when you want to improve the utilization of multiple cores you need to duplicate structures and use much more memory then in a single threaded application.
This does not happen because RAM is very expensive (especially in the 2017/2018 RAM crisis situation). Marketing wants high numbers but controlling want to cut on component prices. If you see a balance which is less than 1 Gigabyte of RAM per core then you see a failed compromise.
Upvotes: -1 |
2017/06/11 | 535 | 2,012 | <issue_start>username_0: I'm trying to Use Odin to download a OS to my phone (Trying to put Raspbian. Raspbian runs on the raspberry pi which has an ARM processor my android phone also has one so hopefully it'l work.)
(does something like an ISO file work? i dunno i'm gonna try and see)
when i use Odin i see these file types "BL" "AP" "CP" "CSC" what are they??
i have no idea but i really want to know and i want to know if my android phone has something like a BIOS where i can chose to boot from a USB flash drive(this might sound really silly.)
my phone has USB-OTG support but if it depends on some sort of drivers will they work in a bios (if android phones have one)please help!!
oh and ive already rooted my phone.<issue_comment>username_1: According to [this XDA-Developers forum post](https://forum.xda-developers.com/galaxy-s7/help/firmware-files-ap-bl-files-t3445601) and [this Droidguiding article](http://www.droidguiding.com/what-is-odin-and-how-to-use-it-to-flash-firmware-on-samsung-galaxy-phone/):
* **BL** stands for *bootloader*
* **AP** represents the system partition (possibly stands for *Android partition*); under previous Odin versions, this was called "PDA"
* **CP** represents your modem
* **CSC** stands for *Consumer Software Customization*, this specifies the features your Android device gets according to its geographical location and carrier
Upvotes: 4 <issue_comment>username_2: * **CSC (Consumer Software Customization)**: It is specific to geographical region and carriers. It contains the software packages specific to that region, carrier branding and APN setting.
* **PIT (Partition Information Table):** You only need it if you screw up your partition table or if the firmware specifically requires it because of a change in the partition table layout.
* **BL (Bootloader):** As its name implies, this option is used to flash the Bootloader of the device.
* **AP (Application Processor or PDA):** Android.
* **CP (Core Processor):** We call it Modem.
Upvotes: 5 |
2017/06/11 | 609 | 2,467 | <issue_start>username_0: I searched for my problem but what I found either wasn't answered or was very old response and maybe things have changed since then...
I just got a Samsung Galaxy S8 and it's amazing, but maybe since yesterday notifications are a bit slow. I just answered and email that I got an hour ago from my computer while my phone still didn't show the notification. I got some test messages and again, they showed up but only after I opened up gmail app and refreshed it.
What might help find the answer - right now I'm spending most of the time on my computer when I have gmail website opened (for hangouts) and thunderbird for emails. However the days before I was mostly outside with my laptop either turned off of inactive.
Btw, I had a similar issue with the old phone (also android) but I just blamed it being 4 years old and acting up.
So what could be the possible issue? Some kind of setting on my phone? Possible network changes? (I changed cities in those days, maybe the network here sucks and phone tries to use it instead of wifi... I'm just looking for options here). Or is it just the fact that I have gmail / thunderbird opened?
Thanks in advance.<issue_comment>username_1: According to [this XDA-Developers forum post](https://forum.xda-developers.com/galaxy-s7/help/firmware-files-ap-bl-files-t3445601) and [this Droidguiding article](http://www.droidguiding.com/what-is-odin-and-how-to-use-it-to-flash-firmware-on-samsung-galaxy-phone/):
* **BL** stands for *bootloader*
* **AP** represents the system partition (possibly stands for *Android partition*); under previous Odin versions, this was called "PDA"
* **CP** represents your modem
* **CSC** stands for *Consumer Software Customization*, this specifies the features your Android device gets according to its geographical location and carrier
Upvotes: 4 <issue_comment>username_2: * **CSC (Consumer Software Customization)**: It is specific to geographical region and carriers. It contains the software packages specific to that region, carrier branding and APN setting.
* **PIT (Partition Information Table):** You only need it if you screw up your partition table or if the firmware specifically requires it because of a change in the partition table layout.
* **BL (Bootloader):** As its name implies, this option is used to flash the Bootloader of the device.
* **AP (Application Processor or PDA):** Android.
* **CP (Core Processor):** We call it Modem.
Upvotes: 5 |
2017/06/11 | 720 | 2,890 | <issue_start>username_0: Hey fellow Android Enthusiasts,
I have encountered a very weird problem which I hope you could help. When I download a large apps from Google Play Store, it always pauses at a certain percentage, for example:
1. Angry Bird 2 (about 120 MB of download size), the download always stopped at 61%.
2. Need for Speed No Limits (About 787 MB of download size), the download always stopped at 97%.
When I say stop, basically the Download Manager would suddenly disappear and then the Download bar in Google Play Store would just be “stuck” at that percentage (data traffic speed also dropped from a few M/s to a few k/s before hitting 0). I have tried downloading via mobile data or Wi-Fi and both still result the same.
I thought it was because my phones are running out of storage space, however my internal storage has 24.58 GB free and SD card has 4.55 GB free, either of which is way larger than the installation size of the two games listed above. It is also weird that the downloader stopped at the higher percentage in N4S game than AB2 game since N4S has much larger download size than AB2.
I have tried canceling the download and re-downloading and it stuck at the exactly same percentage. I have also tried cleaning the cache (/Cache/Download and delete everything in there) and even tried deleting the entire Google Play Store app and reinstalling it, and the exactly same thing happenned. I have also switched to different Wi-Fi network and switched between Wi-Fi and Mobile data.
My Google Play Store is the highest version I can find on Apkmirror (version 7.9.52.Q-all[0][PR]156316931) and I have given the permission to Storage and my Location. Phone is Huawei P9 Plus (VIE-AL10) and currently on Build Number B356 (Android 7.0 with Kernel version 4.1.18-gf6402d0).
Could you please help me?<issue_comment>username_1: I would suggest getting APK files from your favorite APK website for the apps in question. Also, try updating Google Play from the Google Play store, NOT Apkmirror.
Not to mention the obvious stuff such as force restarting google play services, or restarting your phone.
You could also just give it a while. My phone does something similar where it will get stuck at 100% and will take a while to go to installing. Good Luck!
Upvotes: 0 <issue_comment>username_2: i too had face this problem with my home WiFi. for resolving this issue you should reset your home WiFi settins or your
Upvotes: -1 <issue_comment>username_3: Do not close or cancel it. After some time it will already start downloading . I also got struck many time while downloading a game but my mistake was that when it downloading stops i always cancel the download. But for first time i didn't do anything for 5-10 minutes after which it already start downloading and download manager again appears ..I was downloading Call of duty mobile unreleased
Upvotes: 0 |
2017/06/12 | 279 | 1,212 | <issue_start>username_0: My brother changed the passcode on his device and it glitched out or something and he has no access to it at all, what can he do?<issue_comment>username_1: I would suggest getting APK files from your favorite APK website for the apps in question. Also, try updating Google Play from the Google Play store, NOT Apkmirror.
Not to mention the obvious stuff such as force restarting google play services, or restarting your phone.
You could also just give it a while. My phone does something similar where it will get stuck at 100% and will take a while to go to installing. Good Luck!
Upvotes: 0 <issue_comment>username_2: i too had face this problem with my home WiFi. for resolving this issue you should reset your home WiFi settins or your
Upvotes: -1 <issue_comment>username_3: Do not close or cancel it. After some time it will already start downloading . I also got struck many time while downloading a game but my mistake was that when it downloading stops i always cancel the download. But for first time i didn't do anything for 5-10 minutes after which it already start downloading and download manager again appears ..I was downloading Call of duty mobile unreleased
Upvotes: 0 |
2017/06/13 | 521 | 2,261 | <issue_start>username_0: My car has Bluetooth, and I use this mostly for phone calls, though occasionally for music. So my phone is paired, and automatically connects to my car when it starts.
Occasionally, while driving, I'd like to use Google Assistant. eg: "OK Google, Note to self..."
Currently this is pretty annoying because I usually don't have the "input" for the sound system set to Bluetooth, yet my phone is trying to route all media audio, including Google Assistant, through Bluetooth. So I before I can use Google Assistant I first have to change the input. Then the car automatically tells the phone to start playing music. I have to then stop the music I didn't want to be playing in the first place. Finally I can use the assistant. Doing all of this while also trying to pay attention to the road and remembering what I actually want to ask the assistant is not fun.
(To make matters worse, it seems my wife's car actually re-sends the "start music" command if there's no audio for a couple of minutes.)
I do not want to completely disable media audio over Bluetooth, as I do use it occasionally.
So what is the solution? Can I have Google Assistant always use the phone's speakers? Can I have the phone ignore "start music" commands via Bluetooth? Something else?<issue_comment>username_1: If you have the newer android 7.0 OS version, yes there is a way:
Go to - Settings -> Sound and Vibration -> Separate App Sound
Once there, tap "app" and select "add application", then look for the google assistant app (labeled "Google" with the "G" trademark icon that has a small inner grey circle around it within the app icon bubble).
Set this app up with the audio device "phone", and it should work solely through the phone speaker/mic from then on, even when your car Bluetooth is connected.
Upvotes: 2 <issue_comment>username_2: Search the Play Store for the app "Out Loud". Works perfectly.
You can selectively choose which apps you want to always route audio through the phone speaker even when connected to bluetooth. It's great for your problem (interacting with the Assistant) as well as when using Maps' navigation, and even reads incoming texts out loud (just be careful if you have someone else in the car with you!)
Upvotes: 0 |
2017/06/14 | 550 | 2,354 | <issue_start>username_0: I have the following situation on an Android 5.1 phone.
(I don't think this may be a duplicate as the other similar questions I saw were about intentionally allowing or blocking apps from Cellular access.)
Because of an automatic daily-pass (they call it) charge upon any momentary connection to the Internet, I turned off the Data Connection button (from the drop-down quick menu screen) a little before the current day expired as I usually do to avoid an extra day's charge.
I was also at home next to my always-on WiFi. This I mention because supposedly WiFi is always preferred over cellular network, right?
Hours after the button was off, I got an SMS telling me that I have connected to the Internet (cellular), and I will be charged for yet another day. I immediately checked the Data Connection button and it was indeed off as I had left it.
So, I'm curious as to how the connection could have happened.
I want to report the company for fraud. But, I need to be certain.
Is it possible for any application to override my manually selected Data Connection button position and use the Cellular network for data? (And, even more so when I'm on WiFi at the moment? But this is not the main issue.)
Now, if by any chance this is indeed possible, what would be the way to be certain my Cellular data connection is never used until I decide to do so?
Thank you.<issue_comment>username_1: Which phone is that? On some devices there is that feature called Smart Network Switch (Samsung).
Smart Network Switch is a feature that allows your phone to automatically switch between WiFi and the mobile network. This allows the phone to maintain a high level of internet connectivity if your WiFi connection is too slow to provide a good user experience.
So in your case this may have been enabled and the phone switched to data connection when your WiFi connection was not stable.
Upvotes: 0 <issue_comment>username_2: After complaining to the phone company, it turns out that the issue is (believe it or not) 4G related.
They refunded my unfairly charged amount, and switched me to a different data plan that excludes this daily-pass automatic connection so this won't happen again.
I have found this [answer](https://android.stackexchange.com/a/132642/223986) to another post which is correct for here also.
Upvotes: 1 |
2017/06/14 | 397 | 1,520 | <issue_start>username_0: Once or twice a day, I get a full screen nag from the OS asking me to upgrade to Android 7. My phone is working great, so I'm not interested in upgrading as that will likely break and/or change things in ways I'd rather not deal with.
So, how do I prevent the nag screen from appear? Preferably without rooting the phone.
Model: SM-G930U
Android version: 6.0.1
Android security path level: March 1st, 2017
Nag Screen:
[](https://i.stack.imgur.com/ilBIrl.png)<issue_comment>username_1: Which phone is that? On some devices there is that feature called Smart Network Switch (Samsung).
Smart Network Switch is a feature that allows your phone to automatically switch between WiFi and the mobile network. This allows the phone to maintain a high level of internet connectivity if your WiFi connection is too slow to provide a good user experience.
So in your case this may have been enabled and the phone switched to data connection when your WiFi connection was not stable.
Upvotes: 0 <issue_comment>username_2: After complaining to the phone company, it turns out that the issue is (believe it or not) 4G related.
They refunded my unfairly charged amount, and switched me to a different data plan that excludes this daily-pass automatic connection so this won't happen again.
I have found this [answer](https://android.stackexchange.com/a/132642/223986) to another post which is correct for here also.
Upvotes: 1 |
2017/06/15 | 430 | 1,715 | <issue_start>username_0: I have Moto G4 Plus device which has Android 7.0 - I want to flash Android O system image in Moto G4 Plus. I see <https://developer.android.com/preview/download.html> where system images are for Nexus, Pixel etc.
Motorola itself will take time to push updates to their devices so I am looking to push it manually.
Does anyone know if there is any system image for Moto G4 Plus ?<issue_comment>username_1: Impossible
If Moto themselves did not update your device, there is no way you can obtain an authentic system image. Even when your device is updated, Motorola is very slow to update the latest image on it's website, and you would have to depend on images obtained through unofficial means hosted on sites like XDA
Related [Security Patch level old on Moto G5](https://android.stackexchange.com/q/176636/131553)
Upvotes: 3 <issue_comment>username_2: I'll supplement the answer of @username_1: since Android O is still in Dev Preview phase, the source code is still incomplete, and no custom ROM (LineageOS, etc.) could even base their work off it. LineageOS (back in their CyanogenMod days) also stated time and again that they will not touch Dev Preview code.
To reinforce the fact: until Android O is officially released (name confirmed and source code out), there's no way you can taste it on an unsupported device.
P.S. Historically, there had been ports of Android L and M Dev Previews to other devices, based on the image released alone. However, 1) such ports are often conducted between devices of similar SoCs, 2) those ports are nowhere near stable and usable, and 3) they quickly become obsolete once the proper release source code arrives.
Upvotes: 5 [selected_answer] |
2017/06/15 | 1,828 | 6,734 | <issue_start>username_0: Hi enthusiastic community! I would need your help and advice!
**The device:**
* Samsung Galaxy Tab S2 (SM-T819)
* bought with Android 6 second hand --> last week updated to Android 7
* NOT rooted, original firmware, official update (did not mess around with it at all ...)
* I am using it without SD-card or SIM
**The problem:**
Stucks in boot loop first shows Galaxy Tab S2 logo and then S-A-M-S-U-N-G appears in big letters blinking) stays there forever and heat up a little on the back.
**Steps already tried and did not work out:**
* press `powerOn` button 10s, 1 min, 2 min ... --> no reaction
* press `volUp + volDown + powerOn` --> reboots put stuck later at the logo
* press `volUp + powerOn + home` --> **does not enter recovery mode**
* press `volDown + powerOn + home`, in this very order --> enters downloading mode and asks to downloading a custom OS (`volUp`) or cancel (`volDown`)
* if I press cancel reboots and stuck at the logo again
* if `volUp` then gets into Odin downloading mode and shows the following information:
```
ODIN MODE (HIGH SPEED)
PROCUCT NAME: SM-T819
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Official
FAP LOCKS: ON
WARRANTY VOID: 0x0
QUALCOMM SECUREBOOT: ENABLE (CSB)
RP SWREV: S1, T1, H1, R1, A2, P1
SECURE DOWNLOAD : ENABLE
download mode !!
[Arrow down]
Downloading ...
Do not turn off target
```
I guess it is waiting to download from USB.
* tried this steps with and without charging cable connected to my
laptop --> does not make a difference!
* Eventually it ran out of battery and shut down! Tried the same
steps after it's shutdown (power cable connected) but situation did not change!
* I cannot mount the tablet on my Ubuntu Lenovo Thinkpad --> if I do
`lsusb` the tablet is not listed ...
* after the battery ran out I tried this: when Samsung Galaxy S2 logo appears, release the Power key and immediately hold the volume down key --> it is rebooting and showing the battery symbol (0% charged) over and over again.
**Questions:**
* What should I do else?
* Should I flash firmware? --> I run the laptop with Ubuntu 17
* Should I dismantle it and disconnect the battery (worked
on my Lenovo ...)?
* Do I have to root it?
**What do I want:**
I want the tablet to work again, would prefer not to root it, do not care about data loss ...
**Other observations:**
* I could not start it this morning after installing a new app (via
Google Play) yesterday evening.
* Two days ago I could not charge the tablet with the adapter on a
power plug, I needed to charge it via the laptop.
* It is alive and charges normally on the laptop (if I press shortly the `powerOn` button then the battery symbol appears)
* Does NOT charge with the charger plugged into a power plug, only on the laptop.
Thanks a lot for your help and patience to read all that!
**EDIT:**
07/13/2017
I followed esQmo\_'s solution in detail but I could not establish a connection between the computer and the tablet. In the end Samsung support fixed it and the tablet is running perfectly again. However, I think that the solution given by esQmo\_ is still the right thing to do in this case, but please note that for some reason (maybe my lack of experience or knowledge) it did not work out for me. Thanks!<issue_comment>username_1: Seems like a softbrick state. You should try flashing a new firmware.
The steps below are for Windows:
* Download the firmware from [here](https://www.sammobile.com/firmwares/galaxy-tab-s2-97/SM-T819/) (Registration required)
* Download Odin flasher from [here](https://androidmtk.com/download-odin-downloader-versions)
* Download [Samsung Kies](http://www.google.cd/url?q=http://www.samsung.com/fr/kies/&sa=U&ved=0ahUKEwiD_oyxu8LUAhWHWxoKHcb2BlgQFggLMAA&usg=AFQjCNEKzTI_z9egoakP4c4MyX3U_s-50g) and install it. Needed for drivers.
[Update]
* Uninstall Kies right after it has installed and drivers set up, this is to avoid conflicts with Odin while flashing devices (See below answer (@Babaks D's answer) for more)
* Unzip the firmware, unzip Odin then run the executable file.
* Power off the device then boot in download mode (Volume down + power button) then connect it via USB cable. Windows should install drivers.
* Now on Odin, you should see ID COM turns blue meaning that the device is detected.
* Click on AP button, then browse where the firmware folder is. Select the file. Wait a moment.
* Now click on Start and wait till the end. You should see PASS on the screen.
Upvotes: 3 [selected_answer]<issue_comment>username_2: I tried the solution @esQmo\_ suggested. It went all good until the very last stage where Odin failed on installing the firmware. After doing some more research, I figured that you should not be running Kies as you want to interact with Odin.
Kies installs the drivers for you, but if you want to run Odin and download the new firmware on the device, Kies interferes and tries to communicate with the same device on the same port, resulting in having the COM BUS busy and thus Odin won't be able to download the firmware.
So if you want to follow the steps @esQmo\_ laid in, make sure that you have closed Kies before downloading the firmware on the device.
Upvotes: 0 <issue_comment>username_3: **My solution in the end was to send it in to Samsung and it got fixed by them.** That is not a practical solution for everyone especially if your support for your device is already expired. However, with this post I just wanted to state that it was possible to fix it. The tablet has been working perfectly since then and the boot loop might have been connected to the update to Android 7.0.
Upvotes: 1 <issue_comment>username_4: For me, the following procedure helped (SM-T813):
Prerequisites: ADB, ODIN, TWRP-tar-file for device
1. Initial State: "stucked" TWRP is running on device
2. Connect device to PC
3. Reboot device into download mode (I did it via "adb reboot
bootloader")
4. Start ODIN, flash the latest version of TWRP (I assume its just
important to "reflash" TWRP)
5. After the flash completed, my device returned to normal boot mode
Upvotes: 0 <issue_comment>username_5: My tablet was on a recovery boot loop and would proceed to install update only up to 25-32%. I tried clearing the cache by pressing the upVol and Power button but I couldn't get to that menu, perhaps because it wouldn't charge at all and I had to keep it plugged in. I did the power button + downVol and home key at the same time to get to the custom OS install screen, I left it sitting there for a good 15 minutes and I think it was able to sustain a charge so when I rebooted it finally completed the update on it's own. Weird but it finally updated after a few days of installing update loops.
Upvotes: 0 |
2017/06/15 | 283 | 1,298 | <issue_start>username_0: A few days go I launched my old phone with old version of Google Play. I launched it, but in few seconds application crashed. When I launched it again, a new version (this one that I have on my current phone) was shown infront of my eyes. I'm asking, how? I have a theory that Google Play checking content of server and when detect a new apk, it install it in the background. Am I reasoning it right?<issue_comment>username_1: Yes, you're correct. Google Play Services checks for and installs new versions when needed. As acejavelin mentions, Google services are privileged apps and do not need user interaction/permission to update.
Upvotes: 2 <issue_comment>username_2: When you're connected to Wi-Fi and Google Play Store is running, it will automatically download any updates for Play Store and Play Services. If you have something like a network monitor, you'll occasionally find Google Play Store occupying large bandwidth and stops after tens of MB.
Updates for Play Services will be installed immediately while updates for Play Store will be installed after you quit it (by pressing back multiple times or home). As noted by @`username_1`, apps with system privileges do not require user intervention while installing or updating apps.
Upvotes: 3 [selected_answer] |
2017/06/16 | 510 | 2,068 | <issue_start>username_0: I've been using a voice recorded app on Android called "Parrot" that stores recordings to
>
> SD card\Android\data\com.SearingMedia.Parrot\files\parrot
>
>
>
I know they're here because when I select a recorded file from within the app, and press on details, it says
>
> File location: \data\user\0\com.SearingMedia.Parrot\files\parrot\Jun 09,063342.wav"
>
>
>
However, when I connect my phone to the computer, the folder is empty. The files work, as they can be heard when played from the app, but they just don't appear on the file explorer.
Now, I saw the developers wrote this as an answer to somebody asking the same:
>
> Hi David, Internal recorders are stored in a folder that is in a private sandbox folder which is inaccessible to other apps for security. You will need to share all of your tracks outside of the application. Long press on a row to start the multi-select tool then tap on all of your tracks. We suggest sharing using our SendAnywhere integration.
>
>
>
I don't want to use these wireless methods. Is there any way at all that I could access these files on this protected folder, by merely connecting the phone to a computer?<issue_comment>username_1: Yes, you're correct. Google Play Services checks for and installs new versions when needed. As acejavelin mentions, Google services are privileged apps and do not need user interaction/permission to update.
Upvotes: 2 <issue_comment>username_2: When you're connected to Wi-Fi and Google Play Store is running, it will automatically download any updates for Play Store and Play Services. If you have something like a network monitor, you'll occasionally find Google Play Store occupying large bandwidth and stops after tens of MB.
Updates for Play Services will be installed immediately while updates for Play Store will be installed after you quit it (by pressing back multiple times or home). As noted by @`username_1`, apps with system privileges do not require user intervention while installing or updating apps.
Upvotes: 3 [selected_answer] |
2017/06/17 | 565 | 2,281 | <issue_start>username_0: I bought my phone (Moto G4 Plus) about 10 months ago. At first, I only used to have ghost touches on it if I use it while charging. But that wasn't an issue for me because I usually don't use my phone while it's charging. But recently, I've been having ghost touches on the screen on two other occasions...
1) While playing Minecraft : Pocket Edition (Happens once in a while)
2) When I set the brightness to 100% (Been having this problem since the past two days)
What could be the reason for why this is happening all of a sudden?<issue_comment>username_1: First, if you have not already done so, clean the screen, depending on the type of touch even a piece of dirt could activate it.
Second, get a thin blade and lightly run it around the screen, where the touch meets the plastic/metal casing.
Third, if you can get to calibrate the screen do so otherwise perform a factory restore, if it is android, power off the tab, hold Vol + and power on, let go of power once it comes on and keep the volume button pressed, usually touch is disabled in restore mode so you have to use the machine buttons to navigate and enter. I had to do this to fix a Alcatel OneTouch phone so it is worth a try.
Forth, if all else has failed you may have to disassemble the tablet, it would appear there is a pressure point on the screen which is actually banding the screen causing it to make contact with the touch panel. Not knowing which tab it is I cannot direct you on disassembly but it is generally a simple enough process.
Before trying this part, run your finger around the edges of the screen, with slight pressure, if it has had a fall or a bang a clip for the screen could have popped out of place and just needs to be seated back in.
This is all the help I can give, try them and see if it helps.
Upvotes: 1 <issue_comment>username_2: Ghost touch is a well known and highly infamous issue with Moto G4 handsets. I have Moto G4 Plus and it too had this ghost touch issue. My screen would shake uncontrollably while charging. I tried many things but then get the screen replaced from service center. That is the only solution in this issue.
On a different note, I am extremely dissatisfied with this phone. Never going to buy motorola again.
Upvotes: 0 |
2017/06/18 | 578 | 2,358 | <issue_start>username_0: I would like to use the Android Emulator to work on some APKs. In order to start the Android Emulator, based on the instructions here: <https://developer.android.com/studio/run/managing-avds.html>
So, I need to start the AVD Manager from Android Studio, then create a device and start the emulator.
Now, the issue is, when I open Android Studio, it asks me to create a new Project or open an existing one before continuing. This takes a long time. Isn't there a way to just start the AVD Manager without opening the Android Studio GUI?
Probably, there is a way to start AVD Manager from command line?
Thanks.<issue_comment>username_1: First, if you have not already done so, clean the screen, depending on the type of touch even a piece of dirt could activate it.
Second, get a thin blade and lightly run it around the screen, where the touch meets the plastic/metal casing.
Third, if you can get to calibrate the screen do so otherwise perform a factory restore, if it is android, power off the tab, hold Vol + and power on, let go of power once it comes on and keep the volume button pressed, usually touch is disabled in restore mode so you have to use the machine buttons to navigate and enter. I had to do this to fix a Alcatel OneTouch phone so it is worth a try.
Forth, if all else has failed you may have to disassemble the tablet, it would appear there is a pressure point on the screen which is actually banding the screen causing it to make contact with the touch panel. Not knowing which tab it is I cannot direct you on disassembly but it is generally a simple enough process.
Before trying this part, run your finger around the edges of the screen, with slight pressure, if it has had a fall or a bang a clip for the screen could have popped out of place and just needs to be seated back in.
This is all the help I can give, try them and see if it helps.
Upvotes: 1 <issue_comment>username_2: Ghost touch is a well known and highly infamous issue with Moto G4 handsets. I have Moto G4 Plus and it too had this ghost touch issue. My screen would shake uncontrollably while charging. I tried many things but then get the screen replaced from service center. That is the only solution in this issue.
On a different note, I am extremely dissatisfied with this phone. Never going to buy motorola again.
Upvotes: 0 |
2017/06/18 | 563 | 2,266 | <issue_start>username_0: I would like to host the contacts of my android device on my own.
Up to now I used an old android device and tine20
I upgraded my android device to the latest LineageOS.
Now the contact sync to tine20 seems broken. The contacts get synced, but some minutes later they are all gone again. I tried CardDAV, but this did not work (at least not on the first try)
I am not married with tine20. I can change the server, as long as I can do "self-hosting".
What choices do I have now, and what is the most simple solution?<issue_comment>username_1: First, if you have not already done so, clean the screen, depending on the type of touch even a piece of dirt could activate it.
Second, get a thin blade and lightly run it around the screen, where the touch meets the plastic/metal casing.
Third, if you can get to calibrate the screen do so otherwise perform a factory restore, if it is android, power off the tab, hold Vol + and power on, let go of power once it comes on and keep the volume button pressed, usually touch is disabled in restore mode so you have to use the machine buttons to navigate and enter. I had to do this to fix a Alcatel OneTouch phone so it is worth a try.
Forth, if all else has failed you may have to disassemble the tablet, it would appear there is a pressure point on the screen which is actually banding the screen causing it to make contact with the touch panel. Not knowing which tab it is I cannot direct you on disassembly but it is generally a simple enough process.
Before trying this part, run your finger around the edges of the screen, with slight pressure, if it has had a fall or a bang a clip for the screen could have popped out of place and just needs to be seated back in.
This is all the help I can give, try them and see if it helps.
Upvotes: 1 <issue_comment>username_2: Ghost touch is a well known and highly infamous issue with Moto G4 handsets. I have Moto G4 Plus and it too had this ghost touch issue. My screen would shake uncontrollably while charging. I tried many things but then get the screen replaced from service center. That is the only solution in this issue.
On a different note, I am extremely dissatisfied with this phone. Never going to buy motorola again.
Upvotes: 0 |
2017/06/18 | 701 | 2,881 | <issue_start>username_0: in Android 6.0 Marshmallow, is it possible to assign a default app to a file type that isn't listed yet? Specifically, I have \*.notes for plain text notes, and \*.md files for markdown. Windows is set to open them with my editor.
Is this possible in Android? So far, I can only assign default apps to file types that are already listed. Not to ones that aren't yet. From [here](https://android.stackexchange.com/q/14231/140680) etc., I find several different apps all called 'default app manager'. None of them seem to offer what I want.
Any suggestions?<issue_comment>username_1: Although this is slightly programming-related, nevertheless;
You can't assign an application to open a specific file extension (`.notes` or `.md` in this case) if the application has no explicit intent filter declared in the manifest file to open that extension type.
When an app is developed, it usually contains various intent categories and intent filters for the particular file extension(s) that makes Android recognise the capability to open a file extension.
If the declared intent filter matches that of a particular file, say .pdf, then Android populates and lists all available applications capable of handling that file type. Otherwise, if no application contains the specific intent to open/browse, etc. the particular file extension (`.md` or `.notes` in this case), then there is no way to set a default application for that file extension or at least to open that extension.
To expand on this, let's consider an intent filter for a certain application capable of opening/handling audio files:
```
```
In the named intents categories, this audio application will have the capability to handle file extensions of audio types including .ogg and iTunes file types.
Unless the intent to browse or open these file extensions has been declared in the manifest files of your already installed applications, you can't assign any application as the default. Either you first have to install an app capable of handling such extension or create your own application using suitable filters.
Related: [Android intent filter for a particular file extension?](https://stackoverflow.com/questions/1733195/android-intent-filter-for-a-particular-file-extension)
Upvotes: 4 [selected_answer]<issue_comment>username_2: I agree with [xavier\_fakerat's answer](https://android.stackexchange.com/a/176953/44325): a little change in the manifest file or file activity would do the required action.
For e.g., you can copy RAR's intent activity to DraStic DS Emulator's manifest file and make it support zip or 7z files (even on Android 6.0, 7.0 & 8.0+). To do this change on Android, you can use APK Editor Pro which would suit the purpose.
P.S. APK Editor Pro is an easy-to-use APK. It works best on rooted devices, yet works decently on non-rooted devices.
Upvotes: 0 |
2017/06/19 | 605 | 2,549 | <issue_start>username_0: I looking for an app or something which can help to check my phone call logs on my computer, It should not involve USB cable, the app should work wirelessly..
is there any thing that is suitable for my requirement.?
Thank you<issue_comment>username_1: Although this is slightly programming-related, nevertheless;
You can't assign an application to open a specific file extension (`.notes` or `.md` in this case) if the application has no explicit intent filter declared in the manifest file to open that extension type.
When an app is developed, it usually contains various intent categories and intent filters for the particular file extension(s) that makes Android recognise the capability to open a file extension.
If the declared intent filter matches that of a particular file, say .pdf, then Android populates and lists all available applications capable of handling that file type. Otherwise, if no application contains the specific intent to open/browse, etc. the particular file extension (`.md` or `.notes` in this case), then there is no way to set a default application for that file extension or at least to open that extension.
To expand on this, let's consider an intent filter for a certain application capable of opening/handling audio files:
```
```
In the named intents categories, this audio application will have the capability to handle file extensions of audio types including .ogg and iTunes file types.
Unless the intent to browse or open these file extensions has been declared in the manifest files of your already installed applications, you can't assign any application as the default. Either you first have to install an app capable of handling such extension or create your own application using suitable filters.
Related: [Android intent filter for a particular file extension?](https://stackoverflow.com/questions/1733195/android-intent-filter-for-a-particular-file-extension)
Upvotes: 4 [selected_answer]<issue_comment>username_2: I agree with [xavier\_fakerat's answer](https://android.stackexchange.com/a/176953/44325): a little change in the manifest file or file activity would do the required action.
For e.g., you can copy RAR's intent activity to DraStic DS Emulator's manifest file and make it support zip or 7z files (even on Android 6.0, 7.0 & 8.0+). To do this change on Android, you can use APK Editor Pro which would suit the purpose.
P.S. APK Editor Pro is an easy-to-use APK. It works best on rooted devices, yet works decently on non-rooted devices.
Upvotes: 0 |
2017/06/19 | 750 | 3,097 | <issue_start>username_0: I'm aware of USB Shared connection of android and I've been using it to give connection to my computer.
Also I've an old domestic router which has RJ45 and wireless interfaces. I've been thinking about connecting my phone directly to the router using an USB-RJ45 converter, in order to give internet to the computer based on the RJ45 switched interface of the router, plus some other wireless devices using WiFi.
So my question is: **does Android USB Shared connection runs a DHCP Server?**
Because in case it does, everything will run fine, but if it doesn't, I'm afraid it would only support one device to give it an IP.
I've found that in cyanogenmod [does](https://android.stackexchange.com/questions/9868/is-android-dhcp-server-when-tethering), but dunno in Android.<issue_comment>username_1: Although this is slightly programming-related, nevertheless;
You can't assign an application to open a specific file extension (`.notes` or `.md` in this case) if the application has no explicit intent filter declared in the manifest file to open that extension type.
When an app is developed, it usually contains various intent categories and intent filters for the particular file extension(s) that makes Android recognise the capability to open a file extension.
If the declared intent filter matches that of a particular file, say .pdf, then Android populates and lists all available applications capable of handling that file type. Otherwise, if no application contains the specific intent to open/browse, etc. the particular file extension (`.md` or `.notes` in this case), then there is no way to set a default application for that file extension or at least to open that extension.
To expand on this, let's consider an intent filter for a certain application capable of opening/handling audio files:
```
```
In the named intents categories, this audio application will have the capability to handle file extensions of audio types including .ogg and iTunes file types.
Unless the intent to browse or open these file extensions has been declared in the manifest files of your already installed applications, you can't assign any application as the default. Either you first have to install an app capable of handling such extension or create your own application using suitable filters.
Related: [Android intent filter for a particular file extension?](https://stackoverflow.com/questions/1733195/android-intent-filter-for-a-particular-file-extension)
Upvotes: 4 [selected_answer]<issue_comment>username_2: I agree with [xavier\_fakerat's answer](https://android.stackexchange.com/a/176953/44325): a little change in the manifest file or file activity would do the required action.
For e.g., you can copy RAR's intent activity to DraStic DS Emulator's manifest file and make it support zip or 7z files (even on Android 6.0, 7.0 & 8.0+). To do this change on Android, you can use APK Editor Pro which would suit the purpose.
P.S. APK Editor Pro is an easy-to-use APK. It works best on rooted devices, yet works decently on non-rooted devices.
Upvotes: 0 |
2017/06/19 | 1,764 | 6,219 | <issue_start>username_0: Context:
I use WhatsApp on Genymotion. Chatting in the WhatsApp via Genymotion is fine, except, I wish to enable the WhatsApp web too, so I could free myself from bringing up the genymotion window all the time, instead, could just have all in my host machine browser.
To enable WhatsApp Web, it requires to scan a QR code generated on the web.
What I want to do:
* Open web.whatsapp.com
* Take a screenshot, crop the QR code only
* Make the image available in Genymotion
* Feed that image into the preview camera, which would be in turn available when I bring up the WhatsApp Web activation in WhatsApp.
* The WhatsApp app would then think of the feed as coming live, thus enable the authorization.
Summary:
I wish to feed an image to show in the Genymotion camera preview. How do I do that?<issue_comment>username_1: If you are using **Windows** you can use something like [Manycam](https://softwarerecs.stackexchange.com/questions/36515/fake-virtual-camera-and-microphone-for-windows) to emulate a camera and provide it with any image you like (Source: <https://softwarerecs.stackexchange.com/questions/36515/fake-virtual-camera-and-microphone-for-windows>)
For **Linux** and **macOS**, you can use a progam like [WebcamStudio](https://sourceforge.net/p/webcamstudio/wiki/Home/) (Source and Guide: <http://marcelog.github.io/articles/android_emulator_linux_virtual_webcam_video_device.html>)
In Genymotion you can then choose to use that emulated camera and there you go.
Upvotes: 0 <issue_comment>username_2: I failed to get this working on Ubuntu 18.04. Here's what I found:
* The Ubuntu repos contain a program called Webcamoid which can create a virtual camera that uses your desktops as the camera input.
* *However*, the version of Webcamoid that's installed by `sudo apt install webcamoid` at time of writing (version `8.1.0+dfsg-7`) dies with a [segmentation fault](https://github.com/webcamoid/webcamoid/issues/142). You can get around this by downloading from the [webcamoid website](https://webcamoid.github.io/).
* To create a virtual camera with Webcamoid, you also need to install v4l2loopback, e.g., using `sudo apt install v4l2loopback-utils`.
* The virtual camera will be created as `/dev/video*` (e.g. `/dev/video0`).
* Even with all this, Genymotion does not detect the camera. I suspect it is looking for USB devices rather than just looking at `/dev/video*`. The [Webcamoid wiki says](https://github.com/webcamoid/webcamoid/wiki/Virtual-camera-support), "If the programs detects the webcams by listing USB devices, the programs will be not able to detect the webcam, but it will be possible in a future."
So the answer on Ubuntu seems to be that it's not yet possible but may be in future. I suspect that any other Linux software that tries to create a virtual camera will run into this same issue.
**Update 2020-03:** I notice that the Webcamoid wiki [now shows](https://github.com/webcamoid/webcamoid/wiki/Virtual-camera-support) that development versions of Webcamoid support using akvcam as the virtual camera driver. I have not tested it, but their compatibility table suggests that many programs which did not find the camera using v4l2loopback *do* find it with akvcam.
Upvotes: 2 <issue_comment>username_3: I managed to solve this problem in Ubuntu by using DroidCam. I believe it can work on Windows too. Here is a good tutorial on how to install it:
<http://ubuntuhandbook.org/index.php/2016/12/install-droidcam-ubuntu-16-04/>
Upvotes: 0 <issue_comment>username_4: I just had the same problem and thus found this post. I managed to solve the problem (however simply by taking a picture with my phone of the QR-Code and scanning it in Genymotion by using the computer's webcam which was easily able to connect).
However, the next problem is, that in order to use Whatsapp Web (or, as I tried, using Franz), the "phone" needs to be connected to the internet, which it is not, when I close Genymotion, which was the reason why I wanted to do that.
Just in case anyone else finds this and has the same situation ;-)
Upvotes: 0 <issue_comment>username_5: I made it work using the [2010 Manycam version 2.6.1](http://www.oldversion.com/windows/download/manycam-2-6-1), since *Manycam* latest version has restrictions.
As you can note when scanning it (<https://www.virustotal.com/gui/file/057cb7702e9ad97ee34f8d127d08699c11b6580a02c3f60500ecf4d345b141a4/detection>) the software includes a toolbar. So, pay attention while installing to uncheck the toolbar installation.
The app tried to connect to Internet (perhaps was checking for updates, but I had no time to analyse it, I blocked it with my firewall without any use problem. *Genymotion* detected the cam as "webcam 1", open *Manycam* and **you can use a still image with the QR as source**.
Upvotes: 1 <issue_comment>username_6: **Using Xubuntu 20.04 I got this working.**
What you need for this is `ffmpeg` and `v4l2loopback`; they are both in apt. Be sure to `modprobe` and `rmmod` on v4l2loopback anytime you do anything to completely reset the dummy device. You can debug a bit with Webcamoid, which is less picky than Genymotion for the virtual device. The trick is the image or video (at the present version of Genymotion 3.2.1 in my case) **must be 640x480**. The developers said they are looking into this, but as of yet it is not available. You will then do something similar to the following (replacing `/dev/video2` as needed for your Dummy)
`ffmpeg -f x11grab -r 60 -s 640x480 -i :0.0+0,0 -vcodec rawvideo -pix_fmt yuv420p -f v4l2 /dev/video2`
Now with this small resolution, you need to shrink the WhatsApp Desktop window as small as you can, hold down Alt to grab *any part of the window* with the mouse to keep moving it further, as even the top toolbar will need to be off the top of the screen...
The QR code appears in the upper left, the emulated device in Genymotion will easily see it (click the camera item and select this Dummy camera in the emulated device, it will show a preview), and you can enable WhatsApp.
As was stated, however, Genymotion needs to be running *somewhere* otherwise none of the messages will come through to the WhatsApp desktop.
Upvotes: 0 |
2017/06/19 | 1,785 | 6,328 | <issue_start>username_0: I have the following use case:
1. Make photo with Android phone
2. Use that photo in a web application in Chrome, in my PC, by clicking on the button "attach file" which opens a file browser.
I want to avoid being force to send anything anywhere. I just want to click the "attach file" button in the web page and be able to select the photo that I just made with my phone.
Currently my workflow is a nightmare:
1. Make photo
2. Send it from my phone with WhatsApp, on a chat with myself
3. Go to my computer, to the <https://web.whatsapp.com> tab
4. Open the chat with myself
5. Download the photo to my computer
6. Go to the webpage where I want to access the photo.
Instead of WhatsApp I could use email or any other sharing mechanism. It would still be a pita.
I have sync setup in my Chrome for Android, so that passwords and so on are automatically shared. Can I do something similar with photos?<issue_comment>username_1: If you are using **Windows** you can use something like [Manycam](https://softwarerecs.stackexchange.com/questions/36515/fake-virtual-camera-and-microphone-for-windows) to emulate a camera and provide it with any image you like (Source: <https://softwarerecs.stackexchange.com/questions/36515/fake-virtual-camera-and-microphone-for-windows>)
For **Linux** and **macOS**, you can use a progam like [WebcamStudio](https://sourceforge.net/p/webcamstudio/wiki/Home/) (Source and Guide: <http://marcelog.github.io/articles/android_emulator_linux_virtual_webcam_video_device.html>)
In Genymotion you can then choose to use that emulated camera and there you go.
Upvotes: 0 <issue_comment>username_2: I failed to get this working on Ubuntu 18.04. Here's what I found:
* The Ubuntu repos contain a program called Webcamoid which can create a virtual camera that uses your desktops as the camera input.
* *However*, the version of Webcamoid that's installed by `sudo apt install webcamoid` at time of writing (version `8.1.0+dfsg-7`) dies with a [segmentation fault](https://github.com/webcamoid/webcamoid/issues/142). You can get around this by downloading from the [webcamoid website](https://webcamoid.github.io/).
* To create a virtual camera with Webcamoid, you also need to install v4l2loopback, e.g., using `sudo apt install v4l2loopback-utils`.
* The virtual camera will be created as `/dev/video*` (e.g. `/dev/video0`).
* Even with all this, Genymotion does not detect the camera. I suspect it is looking for USB devices rather than just looking at `/dev/video*`. The [Webcamoid wiki says](https://github.com/webcamoid/webcamoid/wiki/Virtual-camera-support), "If the programs detects the webcams by listing USB devices, the programs will be not able to detect the webcam, but it will be possible in a future."
So the answer on Ubuntu seems to be that it's not yet possible but may be in future. I suspect that any other Linux software that tries to create a virtual camera will run into this same issue.
**Update 2020-03:** I notice that the Webcamoid wiki [now shows](https://github.com/webcamoid/webcamoid/wiki/Virtual-camera-support) that development versions of Webcamoid support using akvcam as the virtual camera driver. I have not tested it, but their compatibility table suggests that many programs which did not find the camera using v4l2loopback *do* find it with akvcam.
Upvotes: 2 <issue_comment>username_3: I managed to solve this problem in Ubuntu by using DroidCam. I believe it can work on Windows too. Here is a good tutorial on how to install it:
<http://ubuntuhandbook.org/index.php/2016/12/install-droidcam-ubuntu-16-04/>
Upvotes: 0 <issue_comment>username_4: I just had the same problem and thus found this post. I managed to solve the problem (however simply by taking a picture with my phone of the QR-Code and scanning it in Genymotion by using the computer's webcam which was easily able to connect).
However, the next problem is, that in order to use Whatsapp Web (or, as I tried, using Franz), the "phone" needs to be connected to the internet, which it is not, when I close Genymotion, which was the reason why I wanted to do that.
Just in case anyone else finds this and has the same situation ;-)
Upvotes: 0 <issue_comment>username_5: I made it work using the [2010 Manycam version 2.6.1](http://www.oldversion.com/windows/download/manycam-2-6-1), since *Manycam* latest version has restrictions.
As you can note when scanning it (<https://www.virustotal.com/gui/file/057cb7702e9ad97ee34f8d127d08699c11b6580a02c3f60500ecf4d345b141a4/detection>) the software includes a toolbar. So, pay attention while installing to uncheck the toolbar installation.
The app tried to connect to Internet (perhaps was checking for updates, but I had no time to analyse it, I blocked it with my firewall without any use problem. *Genymotion* detected the cam as "webcam 1", open *Manycam* and **you can use a still image with the QR as source**.
Upvotes: 1 <issue_comment>username_6: **Using Xubuntu 20.04 I got this working.**
What you need for this is `ffmpeg` and `v4l2loopback`; they are both in apt. Be sure to `modprobe` and `rmmod` on v4l2loopback anytime you do anything to completely reset the dummy device. You can debug a bit with Webcamoid, which is less picky than Genymotion for the virtual device. The trick is the image or video (at the present version of Genymotion 3.2.1 in my case) **must be 640x480**. The developers said they are looking into this, but as of yet it is not available. You will then do something similar to the following (replacing `/dev/video2` as needed for your Dummy)
`ffmpeg -f x11grab -r 60 -s 640x480 -i :0.0+0,0 -vcodec rawvideo -pix_fmt yuv420p -f v4l2 /dev/video2`
Now with this small resolution, you need to shrink the WhatsApp Desktop window as small as you can, hold down Alt to grab *any part of the window* with the mouse to keep moving it further, as even the top toolbar will need to be off the top of the screen...
The QR code appears in the upper left, the emulated device in Genymotion will easily see it (click the camera item and select this Dummy camera in the emulated device, it will show a preview), and you can enable WhatsApp.
As was stated, however, Genymotion needs to be running *somewhere* otherwise none of the messages will come through to the WhatsApp desktop.
Upvotes: 0 |
2017/06/19 | 935 | 3,827 | <issue_start>username_0: I'm project manager consulting for a charity who have a set of LG Nexus phones that are sent into schools as part of a STEM project. For safeguarding reasons when the phones are returned we need to clear off any photos, videos, audio recordings and any internet cache/history. There are a couple of apps loaded onto the phones for the students to use that need to be retained.
I'm looking for a fast solution for cleaning the phones. All the phones are connected to the same Gmail account.
I know nothing about coding for Android devices (or anything about Android devices in truth!) so please be kind with your responses.
Many thanks in advance.
Julia<issue_comment>username_1: If the data of the apps that need to be retained is not important, a fast-but-dirty solution would be to integrate those apps into the system partition. That way the phones' data will easily be erasable via a factory reset, but the apps you need will stay installed on the device. That way the only thing left to do after the reset is re-connect the phones to your Google account.
To "convert" apps into system apps, however, one would require root permissions (and possibly unlocking the bootloader), [which *may* void the warranty of the phones based on where you live/where those phones were bought. (In the EU, for example, the warranty would remain intact.)](https://en.wikipedia.org/wiki/Rooting_(Android_OS)#Legality) Truth be told there are dozens of "quick but sloppy" ways to achieve this but I don't think any of them apply for your use case.
Another way I can think of that does not require root is to trust Google's cloud device backup -- Since Android 6.0 (Marshmallow), a device's apps and apps' data, WiFi connections etc. are periodically uploaded into the cloud so that, if a customer buys a new device (or resets their current one), the Setup Wizard that launches at first boot can offer to restore the data that was previously backed up. Sadly (though understandably), this only works for applications that are installed off the Play Store. The downside of this method is that a) you'll still have to connect the devices to the Play Store, and that b) the backup functionality only works periodically, so the data that ends up getting restored might be several days old. There are other ways to back up and restore data on an Android device (sadly my reputation won't allow me to post a link, but a quick online search for 'android backup tool' will do the trick) but those are, again, cumbersome and sometimes unreliable.
I've heard some good things about [Google Classroom](https://support.google.com/edu/classroom/answer/6118412?hl=en), but I don't know if it supports wiping devices, or if it fits into the scope of your project.
Upvotes: 3 [selected_answer]<issue_comment>username_2: As root is not available, there might be another viable approach by just clearing the app data. For some background, please take a look at our [adb](/questions/tagged/adb "show questions tagged 'adb'") and [adb tag-wiki](/tags/adb/info). The idea, in short, is walking all apps and clearing their data:
```
adb shell "pm list packages"
```
would list all installed apps. It can be restricted to just the user-installed apps by adding another parameter, `-3` (3=third-party). Next to that, the `pm` tool a.o. allows to "clear app data" for a given app:
```
adb shell "pm clear com.package.name"
```
The package name you need here is returned by the `list packages` command from above. So you'd need to create a script once, calling `pm clear` for each app you want to clear the data from (you certainly want to skip some, e.g. to have the Google account remain intact). Then, whenever you need to "clean devices", simply connect the device to your computer via USB cable and run the script.
Upvotes: 0 |
2017/06/20 | 655 | 2,454 | <issue_start>username_0: Device Pre-installed Apps(Camera, Calendar, file manager etc. ) have options for 'Force Stop' and 'Enable/Disable' app. And, for User installed apps(from PlayStore etc.) have only options 'Force Stop' and 'Uninstall'.
I have set some applications to `start from boot`. Mostly, user apps are set to start, while I touch them only. But, some user apps start automatically, and consumes RAM. I will Force Stop/remove those apps from RAM. But, it starts again after few hours.
Is there any method to **disable** such apps rather than uninstalling those apps.
Device : Xiaomi Redmi 1S - Lineage OS 14.1(rooted)<issue_comment>username_1: On a rooted device, it is possible to disable/enable user apps using a terminal emulator.
To do so, open a terminal of your choice, enter
```
su
```
to acquire root privileges and then enter
```
pm disable
```
Take care to replace with the package name of the app you wish to disable (for example, if you wish to disable WhatsApp, your command will be `pm disable com.whatsapp`).
To revert the process and thus enable a disabled app, acquire root privileges and issue
```
pm enable
```
Again, remember to replace with the package name of the disabled app you wish to enable.
Upvotes: 3 [selected_answer]<issue_comment>username_2: If you have Xposed Framework installed, you should try [XInstaller](http://repo.xposed.info/module/com.pyler.xinstaller).
Install it and reboot. Then navigate to **Apps Info**. Tap on **Disable User Apps** to enable this option. Now you can go to **Settings** -> **Manage Apps** and tap on an app. You'll see a **Disable** option under the usual **Uninstall** one.
Thanks to [*Death Mask Salesman*](/users/152843), you can also use XInstaller's successor for Android 6.0+, [InstallerOpt](http://repo.xposed.info/module/net.fypm.installeropt). It provides similar function and is intended to replace XInstaller, which is faulty in Android 6.
Disclosure: I am *not* affiliated with XInstaller or its author. I am just a fan user of it.
Upvotes: 2 <issue_comment>username_3: If your goal is to free more RAM, then this could be useful:
* Go to Settings > Memory
* The last menu entry says something like "apps that start on boot"
* Click on each app that you don't want to run in background and disable the "start on boot" and "run in background" permissions
I've tested this on the latest version of Lineage OS (based on Android 7.1).
Upvotes: 0 |
2017/06/20 | 938 | 3,215 | <issue_start>username_0: Perhaps naively, I switched the sd card between my phone and my tablet.
Trouble was some of my phone apps has been installed on the sd card and they no longer work, I felt at the time that I could live with that.
The thing is that as the internal memory starts to fill up again, I can no longer bring up the list of apps from the settings screen. When I click on it, it shows the circle like it's working on it but never finishes the job! I'm guesnig this may be because it's looking for apps that were on the sd card which I removed. This is a pain as I can't move or delete any of the apps that are left (in the internal storage).
However, recently my memory went critical and at that point the phone was able to show me a list of apps which allowed me to chose some for deletion, but this only comes up when the phone memory gets critical. So it must be possible for the OS to find the list of apps.
Is there a way to move the apps to the SD card using an app or a PC?
I have an HTC One\_M8, Android 6.0 and HTC sense version 7.0.<issue_comment>username_1: You can use [adb](/questions/tagged/adb "show questions tagged 'adb'") for that (please see the corresponding [tag-wiki](/tags/adb/info) for details on what ADB is and how to get it working on your computer):
```
# list all user-installed packages
adb shell "pm list packages -3"
# now pick one app of that list you want to get rid of
adb uninstall com.package.name
```
That way you could clean up the apps you don't have access to any longer anyway. As for moving apps to the SD card, at least you can define it as "default storage" for new installations (as long as the apps do support that):
```
# 0=let the OS decide; 1=internal, 2=external storage:
adb shell "pm set-install-location 2"
```
However, I'm not aware of any command to move already installed apps. The only thing I know of is you can specify the install location explicitly when you install an app, see [How to move spcific apps to/from sd card using ADB?](https://stackoverflow.com/questions/23280804/2533433) on our sister site.
Upvotes: 3 [selected_answer]<issue_comment>username_2: on my Android phone, also 6.0, I get to "critical" memory usage frequently since it only has 8 GB. and from Settings | Apps, I can move individual apps to the SD card fairly easily. here's an example.
Settings | Apps
[](https://i.stack.imgur.com/jQlwv.png)
Fold app
[](https://i.stack.imgur.com/lqC1J.png)
Fold clicked
[](https://i.stack.imgur.com/6IBwj.png)
Storage clicked
[](https://i.stack.imgur.com/ukooU.png)
Select SD card
[](https://i.stack.imgur.com/qAiJv.png)
Moving
[](https://i.stack.imgur.com/NtOq9.png)
Moved
[](https://i.stack.imgur.com/WBH9h.png)
Upvotes: 0 |
2017/06/21 | 448 | 1,660 | <issue_start>username_0: I'm a 51 year old, and I don't know anything about android. I used to call my kids and take pictures on my phone. What does it mean when a picture with path that says /internal/ in my device. I have a LG K20 plus lgmp260.<issue_comment>username_1: You phone has a built-in storage chip, and a MicroSD card slot. Since the storage chip is forged into your phone, it cannot be removed by normal means. So all apps refer to that storage area as "internal", while the MicroSD card is referred to as "external" for its easy removability.
Upvotes: 1 <issue_comment>username_2: For android device, it comes up with two type of storage type,Internal and External.
Let's have a comparison of these:
**Internal Storage**
* Internal storage is the built-in storage capacity of the device. It cannot be changed. For Example: 4GB, 8GB, 16GB, 32GB, 64GB etc.
* All applications are stored on internal memory by default.
* Internal memory is faster.
* Cannot be removed (static)
**External Storage (micro SD card)**
* The storage space that supplements internal storage. Also comes up with capacity similar to that of internal, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB etc.
* Some app data can be moved to external memory (Example: Camera Photos)
* Slower than internal memory
* Can be removed and add another with higher capacity (portable) *[ Higher capacity also has a specific limit. Say, if a device can add up to 64GB external storage, you cannot add a 128GB storage ]*
**Note: Some android devices support internal storage only. Also, Android version 6.0+ devices have a feature to use micro SD card (external) as internal memory.**
Upvotes: 2 |
2017/06/21 | 424 | 1,602 | <issue_start>username_0: I want to disable a certain number, not to make regular and WhatsApp outgoing calls on my sons phone. Is there a way, I can do this , without him knowing about it?<issue_comment>username_1: You phone has a built-in storage chip, and a MicroSD card slot. Since the storage chip is forged into your phone, it cannot be removed by normal means. So all apps refer to that storage area as "internal", while the MicroSD card is referred to as "external" for its easy removability.
Upvotes: 1 <issue_comment>username_2: For android device, it comes up with two type of storage type,Internal and External.
Let's have a comparison of these:
**Internal Storage**
* Internal storage is the built-in storage capacity of the device. It cannot be changed. For Example: 4GB, 8GB, 16GB, 32GB, 64GB etc.
* All applications are stored on internal memory by default.
* Internal memory is faster.
* Cannot be removed (static)
**External Storage (micro SD card)**
* The storage space that supplements internal storage. Also comes up with capacity similar to that of internal, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB etc.
* Some app data can be moved to external memory (Example: Camera Photos)
* Slower than internal memory
* Can be removed and add another with higher capacity (portable) *[ Higher capacity also has a specific limit. Say, if a device can add up to 64GB external storage, you cannot add a 128GB storage ]*
**Note: Some android devices support internal storage only. Also, Android version 6.0+ devices have a feature to use micro SD card (external) as internal memory.**
Upvotes: 2 |
2017/06/21 | 486 | 1,882 | <issue_start>username_0: My nexus 5x with cyanogenmod doesn't let me take screenshots anymore, telling me that either some app is disabling them or there is no space left.
As i have enough disk space, some app or system setting must be the problem.
I do not know of any new app since the last time i took screenshots, which would disable this and now i cannot even screenshot the home screen.
Is there an option to find out, what's disabling the screenshot function?<issue_comment>username_1: You phone has a built-in storage chip, and a MicroSD card slot. Since the storage chip is forged into your phone, it cannot be removed by normal means. So all apps refer to that storage area as "internal", while the MicroSD card is referred to as "external" for its easy removability.
Upvotes: 1 <issue_comment>username_2: For android device, it comes up with two type of storage type,Internal and External.
Let's have a comparison of these:
**Internal Storage**
* Internal storage is the built-in storage capacity of the device. It cannot be changed. For Example: 4GB, 8GB, 16GB, 32GB, 64GB etc.
* All applications are stored on internal memory by default.
* Internal memory is faster.
* Cannot be removed (static)
**External Storage (micro SD card)**
* The storage space that supplements internal storage. Also comes up with capacity similar to that of internal, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB etc.
* Some app data can be moved to external memory (Example: Camera Photos)
* Slower than internal memory
* Can be removed and add another with higher capacity (portable) *[ Higher capacity also has a specific limit. Say, if a device can add up to 64GB external storage, you cannot add a 128GB storage ]*
**Note: Some android devices support internal storage only. Also, Android version 6.0+ devices have a feature to use micro SD card (external) as internal memory.**
Upvotes: 2 |
2017/06/22 | 404 | 1,635 | <issue_start>username_0: I have an old Samsung mobile with android 4.1. I have downloaded some cartoons for kids which they frequently enjoy. However, sometimes the kids accidently delete the cartoons and I have to download them again. So my question is that how can I write-protect this "cartoon" folder so that the kids can only watch the cartoons but cannot delete this cartoon folder?
Regards<issue_comment>username_1: try this apk, Hope this can help you. <https://play.google.com/store/apps/details?id=com.kidscrape.king&hl=es>
Upvotes: 0 <issue_comment>username_2: If you undertake deletion and want to return it but do not use app from google. Then you can still delete it using another third party app. The way is easy enough you stay following the following ways :
1. First of all you download and install the app in google play store named Diskdigger.
2. Next open the application, it will appear some existing photo files.
3. If you want to restore data in the form of video then you need to root hp android first.
4. Then you can use the application and select the file you want to restore and click restore.
Upvotes: -1 <issue_comment>username_3: Hiding all apps from default launcher except mxplayer did the trick.
Upvotes: 1 <issue_comment>username_4: I don’t think it’s possible to make a file read only on an unrooted android device.
If it were me, I would put shortcuts on the home screen to make accidental deletion a little less likely and create backup copies of the cartoons in order not to have to download again if they do get trashed. All of this can be done easily with any decent file manager.
Upvotes: 0 |
2017/06/22 | 491 | 1,727 | <issue_start>username_0: I have a Huawei Mate 9. The notification icon looks like this:
>
> 2 arrows inside a circle with leaf
>
>
>
Things that I have done:
* Tried to find this on Google but returned no results
* Checked my apps icons, nothing matches
First, I thought it belonged to Snapseed, but it's not theirs.<issue_comment>username_1: That's a notification originating from the Data Saver feature in Huawei ROMs (EMUI 5.0).
Data saver helps to reduce data usage by preventing background apps from sending or receiving data and limiting the data access frequency of running apps.
>
> When data saver is active, a data icon with a leaf will appear in the
> status bar. This may prevent users from receiving updates from emails,
> chat and other social media apps, and images will only be displayed
> when you touch them. To enable the data saver mode, go to Settings ->
> Mobile data -> Data saver.
>
>
>
[](https://i.stack.imgur.com/MfFbF.jpg)
Source: *[First view of EMUI 5.0 ROM: Android 7](https://forum.lowyat.net/topic/4109528/all)*
Upvotes: 5 [selected_answer]<issue_comment>username_2: I just found out that it means that Smart Data Saver is on. This prevents some apps to run in the background so you don't use a lot of data in case you are roaming in another country, for example.
Go to settings, wireless and networks, data usage, and click on smart data saver to turn on/off.
When turned on you can still select the apps you want to keep using data and give them permission.
Upvotes: 0 |
2017/06/22 | 563 | 2,273 | <issue_start>username_0: On my Pixel phone, apps will download on Play Store, but once the download completes, it doesn't install. After some time, there's a notification from the Play Store that says
[](https://i.stack.imgur.com/FZTXy.jpg)
>
> Google Play isn't responding. Try again in a few minutes, and if the problem continues, get help troubleshooting. (Error code: 927)
>
>
>
Usually, if I restart the phone, the apps can be installed, but if I wait a few hours, I have to repeat the process.
Does anyone know of a way to fix the issue permanently?<issue_comment>username_1: Now you do not have to worry about losing any apps or games you like because there is an app called APK Extractor that helps change the app from Play Store to apk. With this application we can make back up instalan to raw apk file which then we can save or we share to other friends. Here are the steps:
1. Download the APK Extractor app directly from the Google Play store, this app is available for free.
2. Once installed, run APK extractor then a list of applications will appear installed on your phone.
3. Select which application we will back up or change to apk file.
4. If you select more than one application, tap the application app for a bit longer.
5. Then select the Extract menu, then immediately extraction process will run.
6. Once completed, Apk files will be stored in the ExtractedApks folder which is automatically stored in the internal memory.
7. You can see apk list and then can move it on PC or share it to friends.
That's how to change apps from the play store to apk, as extracted app notes are just freeware or free, because for premium apps there is usually a protector that blocks APK Extractor action.
Upvotes: -1 <issue_comment>username_2: Having the same issue on 7.1. What seemed to help was: going to the Play Store app info, force stop, clear data, force stop, open back up. All updates went through, and even though there is still a delay after the download and before the start of the installation, it's significantly improved at about 10-15s as opposed to minutes or never happening. I'll probably try to clear data for other related services to see if it helps any further.
Upvotes: 0 |
2017/06/22 | 349 | 1,473 | <issue_start>username_0: I'm in a pickle I have no idea how to fix. I turned off the often suggested "Mount Namespace Separation" option in SU, and it doesn't work with this issue. I uninstalled/ reinstalled Titanium Root, no luck. Restarted the device after toggling off the namespace option, no dice. I have no idea what to do. It's not entirely a loss, as some games will backup just fine, just one brand is being stubborn. The Flutter series, where you collect butterflies and such. They're huge files, and it backs them up for a long while before hitting the memory space issue. It is confirmed and set to the Titanium Backup file on my SD card, where I backed up other games. Any suggestions?<issue_comment>username_1: Move some of your saved games to the computer to increase the space of your sdcard. Once you finish copying the rest you are joining it in parts.
Upvotes: 0 <issue_comment>username_2: I have no idea what happened, or how, but I had to use a different browsing method for Titatium Backup. Even though I had selected sdcard/titaniumbackup (example), it wouldn't work even though it was listed as an option. I believe I had to use a different backup storage option, in which it showed me a list. After I selected "SD" from this new interface, it fixed everything and now the weird games will backup.
I apologize for this idiocy of mine. Since only one group of games were acting up, I thought it was something of specific conflicting data.
Upvotes: 1 |
2017/06/25 | 421 | 1,589 | <issue_start>username_0: Well, simple. I want to downgrade an app that has been accidentally updated. I've already read [this question](/q/116309) but it didn't provide me with a straight instruction. I have the APK I want to downgrade **to** so that question is unhelpful to me. It's not a test package (saved from Google Play) so option `-t` doesn't make sense.
Things I've tried so far:
* Run in a terminal (with root)
```
pm install -r -d old.apk
```
* Use adb on a computer
```
adb install -r -d /path/to/old.apk
```
* Brutally replace the apk in `/data/app` and manually run `dex2oat` to force compile it
All of above were to no avail. So I'm quite bothered about this.
I don't want an answer telling me **uninstall the new app, then install the old one**. I want to retain app data without backing up.<issue_comment>username_1: Move some of your saved games to the computer to increase the space of your sdcard. Once you finish copying the rest you are joining it in parts.
Upvotes: 0 <issue_comment>username_2: I have no idea what happened, or how, but I had to use a different browsing method for Titatium Backup. Even though I had selected sdcard/titaniumbackup (example), it wouldn't work even though it was listed as an option. I believe I had to use a different backup storage option, in which it showed me a list. After I selected "SD" from this new interface, it fixed everything and now the weird games will backup.
I apologize for this idiocy of mine. Since only one group of games were acting up, I thought it was something of specific conflicting data.
Upvotes: 1 |
2017/06/25 | 642 | 2,760 | <issue_start>username_0: Can developer options and Bug Reports be used to spy on a person's phone use? For example by a spouse or parent?
<issue_comment>username_1: Developer options and Bug Reports are tools that an android developer can use to test and debug ther app and get access to system logs and some other functions.
Here is a link to the Android documentation on development options:
<https://developer.android.com/studio/debug/dev-options.html>
Upvotes: 1 <issue_comment>username_2: The only option in this menu that has any privacy implications at all is **USB debugging**. It can't be used to track the phone remotely, but USB debugging allows a PC closer access to the phone when they're connected by USB (or on the same Wi-Fi network, if that is also enabled). In recent Android versions, each PC that wants to access the phone needs to be approved separately via a dialog on the phone.
If you do turn on USB debugging, and give a PC permission to access the phone, it can access the recent log data created by the system and by applications. Exactly what information is in the log, and how long it goes back, varies from phone to phone and from app to app. Some phones have a large enough log buffer for a few days' data, but don't store much in it; others might store more data in it but only for a few hours before old entries get overwritten. Some banking apps have been caught putting bank account numbers and/or passwords in this log, which is definitely a bug in the app; some apps don't put any data at all there. Data in the log **might** include:
* The MAC addresses of Bluetooth devices that the phone scanned or connected to
* The SSIDs of Wi-Fi networks that the phone connected to
* Which apps are installed, and when they're updated
* In-app purchases from some apps
* Geolocations where you used some location-related apps
USB debugging can also be used to install apps, but only while it's connected, and the **Install apps from unknown sources** setting (which isn't a developer option) needs to be on for this to work.
Finally, USB debugging can be used to retrieve some files from the phone to the PC. This might include photos or videos you've taken, music that's on the phone, or sound files you use as ringtones. It **won't** include private app data unless the phone is also rooted.
I just want to reiterate that just showing the Developer options screen **doesn't** turn on USB debugging, which is another setting inside this screen. Even if it's on, it's always possible to turn off USB debugging again, or to **Revoke USB debugging authorizations** so that each PC will prompt again (on the phone) before being allowed to connect.
Upvotes: 0 |
2017/06/25 | 373 | 1,204 | <issue_start>username_0: I am having an issue with my brand new phone Huawei Mate 9 EMUI 5.0 from China. Somehow, when I want to install WhatsApp on it, I get the following message
>
> Install core GMS packages to use Google Play Store
>
>
>
Here is the screenshot
[](https://i.stack.imgur.com/b1MRkm.png)
What can I do to solve this? I just got the phone and I am lost.<issue_comment>username_1: Huawei doesn't keep GMS installer in the HiApps anmore, sucks.
I spent whole day and found the GMS installer, hopefully can help others to save time.
<https://drive.google.com/open?id=0B64ADSfC5LHbMHdlZ2ZONVhXVWM>
Upvotes: -1 <issue_comment>username_2: I can well remember that Huawei devices can be added with GMS by flashing a flashable GMS package.
You'll need to first find a compatible 3rd party recovery for your phone. IIRC TWRP is (unofficially) available for Mate 9, so you can take a look at XDA Developers Forum.
After flashing recovery, go to [OpenGApps](https://opengapps.org) and download a package that's suitable for your device (arm64-7.1-pico) and flash it via recovery. Voila! You now have GMS and Play Store on your device!
Upvotes: 1 |
2017/06/25 | 275 | 965 | <issue_start>username_0: What exactly happens to a multi-core CPU when a device goes into deep sleep? Do all cores go to sleep or do the cores keep running at the lowest frequency?<issue_comment>username_1: Huawei doesn't keep GMS installer in the HiApps anmore, sucks.
I spent whole day and found the GMS installer, hopefully can help others to save time.
<https://drive.google.com/open?id=0B64ADSfC5LHbMHdlZ2ZONVhXVWM>
Upvotes: -1 <issue_comment>username_2: I can well remember that Huawei devices can be added with GMS by flashing a flashable GMS package.
You'll need to first find a compatible 3rd party recovery for your phone. IIRC TWRP is (unofficially) available for Mate 9, so you can take a look at XDA Developers Forum.
After flashing recovery, go to [OpenGApps](https://opengapps.org) and download a package that's suitable for your device (arm64-7.1-pico) and flash it via recovery. Voila! You now have GMS and Play Store on your device!
Upvotes: 1 |
2017/06/25 | 403 | 1,526 | <issue_start>username_0: I have Android 5.0.2. A notification showing in Line 1 "Downloading English (US) and Line 2 "Queued". I long touched on it and the text changes to Download Manager. How to get rid of this annoying notification?
[](https://i.stack.imgur.com/aqxeo.png) [](https://i.stack.imgur.com/jcnJw.png)
Screenshots (click images for larger variants)<issue_comment>username_1: This issue could be because of **Google Keyboard** or **Text to speech**.
1. Go to your download manager and **force stop** it.
2. Clear its cache data. (You can do it by going to `Settings -> apps`)
3. Go to Google **Text to speech** from `Language and input -> Text-to-speech-output` and disable `update automatically` from its settings.
In case you didn't find any TTS then do the same with Google Keyboard.
Upvotes: 1 <issue_comment>username_2: It was Google Photos for me. I do not use Google Photos so I disabled it and it went away.
Otherwise, I am thinking it is waiting for WiFi to download. Connect to WiFi and it will download and install and go away. The burning thing is that it attempts this without permission and I have not found a setting to disable the update in the app without disabling the app.
Upvotes: 0 <issue_comment>username_3: I think it's from Google Text to speech
Go to Settings - Apps/App Manager
Check for Google Text to speech app
Navigate to notifications section and turn it off
Upvotes: 0 |
2017/06/25 | 385 | 1,554 | <issue_start>username_0: My Samsung S7 Edge (Android 7.0) has lately developed the following problem: every once in a while, at seemingly random times, the internet stops working - in any app, and both on WiFi and on mobile. Connectivity is only back to normal when I restart the phone.
This occurs maybe once every 2 days or so, and is as you can imagine very disruptive. I've let it update the OS but even the most recent update did not fix (it may not even acknowledge) this bug.
Any ideas?<issue_comment>username_1: This issue could be because of **Google Keyboard** or **Text to speech**.
1. Go to your download manager and **force stop** it.
2. Clear its cache data. (You can do it by going to `Settings -> apps`)
3. Go to Google **Text to speech** from `Language and input -> Text-to-speech-output` and disable `update automatically` from its settings.
In case you didn't find any TTS then do the same with Google Keyboard.
Upvotes: 1 <issue_comment>username_2: It was Google Photos for me. I do not use Google Photos so I disabled it and it went away.
Otherwise, I am thinking it is waiting for WiFi to download. Connect to WiFi and it will download and install and go away. The burning thing is that it attempts this without permission and I have not found a setting to disable the update in the app without disabling the app.
Upvotes: 0 <issue_comment>username_3: I think it's from Google Text to speech
Go to Settings - Apps/App Manager
Check for Google Text to speech app
Navigate to notifications section and turn it off
Upvotes: 0 |
2017/06/27 | 747 | 2,365 | <issue_start>username_0: * I want to know how I cand find an especific voice note from de file ''WhatsApp Voice Notes''?
* I thought that the numbers of the files means year, months or something like that but I couldnt find it because I have thousands of voice notes
* If I want an especific voice note from 18 February 2015 how will be named?
* I have the file on my PC so I can't use my smartphone
Thanks<issue_comment>username_1: WhatsApp audio format is like this **AUD-YYYYMMDD-WAxxxx.opus/m4a/mp3/aac/amr** which are saved in the folder `WhatsApp/Media/Whatsapp Audio`.
WhatsApp voice format is like this **PTT-YYYYMMDD-WAxxxx.opus** which are in folder `WhatsApp/Media/WhatsApp Voice Notes`.
WhatsApp voice notes may have sub folders which created based on voice note receiving week number(Example: 201726(26-weeknumber)).
(Y-year, M-month, D-date, x-numbers )
Upvotes: 0 <issue_comment>username_2: **Short answer**
On your PC ( or mobile ) do a wildcard search for `PTT-20150218*.opus` to get a list of all voice notes of
18 February 2015
Folder numbering is `YYYYWW` where `YYYY` is the year and `WW` is the week number of year - `201726` is the folder for voice notes created in the current week (at the time of writing )
**Long answer**
As per [How to get specific whatsApp voice note from your mobile](http://www.amazingtips247.co.uk/2016/04/how-to-get-specific-whatsapp-voice-note.html?m=1) which says
>
> Whatsapp creates folders and names them as **week numbers** of the year. So folder number 201612 (in the example above) means that what ever voice notes I've sent or received between 21st March 2016 to 27th March, should be saved in that folder
>
>
>
(Emphasis Supplied)
In this example, week 12 of that year covers 21sr to 27th March
So, you would need to calculate from calendar the **week of year** your date falls in and see the corresponding folder, which happens to be `201508` (please double check the week number of year - I did it in a hurry )
---
**Edit:** I just created few voice notes and the logic given above is correct.
* Folder numbering is `YYYYWW` where `YYYY` is the year and `WW` is the week number of year - `201726` ( path `/storage/emulated/0/WhatsApp/Media/WhatsApp Voice Notes/201726` )
* Within the folder, files are arranged in `PTT-YYYYMMDD-WA000X.opus`, where `X` increases as created
Upvotes: 2 |
2017/06/27 | 800 | 2,601 | <issue_start>username_0: Somehow none of my notifications seem to trigger the flashing white LED on my Moto G5 running Nougat.
On my past Android phones I remember the white LED to be a convenient way to know I had something waiting for me (e.g. a missed call or a whatsapp message) especially when my phone was placed a bit far away.
Is there some global setting I must enable for the white LED to be active?
e.g. I checked Whatsapp and its settings do show "Light->White" as enabled under notifications.
Anything else I can check?
PS. Is the White LED setting granular? i.e. Can I control which notifications trigger the white light?<issue_comment>username_1: WhatsApp audio format is like this **AUD-YYYYMMDD-WAxxxx.opus/m4a/mp3/aac/amr** which are saved in the folder `WhatsApp/Media/Whatsapp Audio`.
WhatsApp voice format is like this **PTT-YYYYMMDD-WAxxxx.opus** which are in folder `WhatsApp/Media/WhatsApp Voice Notes`.
WhatsApp voice notes may have sub folders which created based on voice note receiving week number(Example: 201726(26-weeknumber)).
(Y-year, M-month, D-date, x-numbers )
Upvotes: 0 <issue_comment>username_2: **Short answer**
On your PC ( or mobile ) do a wildcard search for `PTT-20150218*.opus` to get a list of all voice notes of
18 February 2015
Folder numbering is `YYYYWW` where `YYYY` is the year and `WW` is the week number of year - `201726` is the folder for voice notes created in the current week (at the time of writing )
**Long answer**
As per [How to get specific whatsApp voice note from your mobile](http://www.amazingtips247.co.uk/2016/04/how-to-get-specific-whatsapp-voice-note.html?m=1) which says
>
> Whatsapp creates folders and names them as **week numbers** of the year. So folder number 201612 (in the example above) means that what ever voice notes I've sent or received between 21st March 2016 to 27th March, should be saved in that folder
>
>
>
(Emphasis Supplied)
In this example, week 12 of that year covers 21sr to 27th March
So, you would need to calculate from calendar the **week of year** your date falls in and see the corresponding folder, which happens to be `201508` (please double check the week number of year - I did it in a hurry )
---
**Edit:** I just created few voice notes and the logic given above is correct.
* Folder numbering is `YYYYWW` where `YYYY` is the year and `WW` is the week number of year - `201726` ( path `/storage/emulated/0/WhatsApp/Media/WhatsApp Voice Notes/201726` )
* Within the folder, files are arranged in `PTT-YYYYMMDD-WA000X.opus`, where `X` increases as created
Upvotes: 2 |
2017/06/27 | 257 | 1,105 | <issue_start>username_0: In my [previous question](https://android.stackexchange.com/questions/176796/how-google-play-updates-itself) I asked about how Google Play Store is updated. And this question is sort of an extension to the previous one. What updates what? I know that Google Play Store updates other Google Services (like Google Games, Kiosk, Music itp.). Does Google Play Store update Google Play Services or does Google Play Services updates Google Play Store or do both of them updates themselves?<issue_comment>username_1: All of those other Google play apps (services, music, books, etc.) are just like any other app on your phone, when Google releases a update for them, Google play Store downloads the update and installs it when you are not using the app.
Upvotes: 1 <issue_comment>username_2: Google Play Store is the only one capable of downloading and installing apps. All apps including Store itself are updated via Store. As [I've already answered](/a/176809/205764), the update is automatically downloaded and installed as soon as it's detected by Store.
Upvotes: 3 [selected_answer] |
2017/06/28 | 537 | 2,348 | <issue_start>username_0: After the last update, I cannot hear Google Maps voice while navigating. I only get a nerve breaking bell like sound every time I am close to a turn. I cannot see anything obvious in the settings on how to fix that.
Why did this happen and what can I do to change it back to voice navigation?
My OS is android 6.0 (LG G4 device)<issue_comment>username_1: First check with Aux or Bluetooth, if you are having same issues
Second, go to Settings - System – Language and input – Text-to-speech options. Then under the Preferred text-to-speech engine, check if certain language is selected; if not, select Language. Clear cache and check again.
Upvotes: 0 <issue_comment>username_2: Found why this was happening. I suppose that after an update voice through bluetooth option was selected automatically. Since I didn't have (never had actually) any bluetooth device, no voice could be heard.
Fixed this by going to google maps settings and deselecting voice through bluetooth option.
hope this helps others with a similar problem.
Upvotes: 3 [selected_answer]<issue_comment>username_3: I just had a similar problem - Google Maps suddenly no longer gave driving instructions via voice. In my case the problem was fixed by going to Settings (Android Settings, not Google Maps Settings) - Sounds and Vibrations - Volume. The volume for Media was set to zero, I have no idea how that happened. Anyway, after pushing it up to about 70% then all was well again.
Upvotes: 1 <issue_comment>username_4: If you turn down the radio volume when the satnav is giving instructions you actually turn of the satnav volume.
Wait to you think the satnav is giving instructions and turn up the volume. The voice should then return.
Therefore, don’t reduce radio volume when satnav is talking.
Upvotes: 0 <issue_comment>username_5: I just fixed this by deleting Google Maps updates. It's the updates that are the problem apparently. Without the updates I get sound when I click on the microphone icon in the top banner, but with the updates installed all that happens when I do that is that a drop down window shows some distances and nothing turns the sound on. So delete the updates and then set Google Play not to update the program. Wish Google would fix this because the updates would probably be helpful if not for this bug.
Upvotes: 1 |
2017/06/29 | 312 | 1,390 | <issue_start>username_0: I had downloaded Android 6.0 Marshmallow's ISO from the net and tried to run it on VMware Workstation Player 12. It all went well. I was running it without installation so it asked me language which was default English. Sim Card was skipped. When WiFi connection was asked I skipped. It gave me a warning ... And I pressed skip anyway. Now the problem came. It gave me an error "Google Play Services unfortunately stopped" and redirected me back to language page and looped. I think it is because of internet connection which I am unable to configure.
Kindly suggest me how to solve this problem.
Thanks
Harsh<issue_comment>username_1: Default network settings on VMware is NAT as i remember. Try to bridge network from VMware network settings. However i never had such problem for installed android on VMware. I had several times same issue on my android 6.0 device and i simply just cleared cache for applications and reset network. Try to remove completely Android from VM and reinstall. Also did you set other graphics and etc.. In settings. Or maybe ISO's fault and android security due network.
Upvotes: 1 <issue_comment>username_1: I'm not at home right now and i have to go but once i get home I'll tell you what might work. When you mounted android ISO did you set x32 or x64 and you might need to enable virtualization from bios settings.
Upvotes: 0 |
2017/06/30 | 766 | 2,834 | <issue_start>username_0: This is my first time here, so please be patient ;)
Recently I bought two smartphones, Blackview BV6000 for me and my lady. As I did some research I noticed that some Chinese brands have pre-installed spyware in Android build. Few days ago my girls' phone started to engage wifi, bluetooth, data transfer, precise location search and more on t's own. Quick scan with ADB through Command Line (CMD) on my Windows 10 x64 and I found these bastards:
1) com.adups.fota
2) com.adups.fota.sysoper
And I only scrached the surface. I wanted to root our phones so I could get rid of them, cause these apps are in .system directory and I have no access to them.
Here comes the hard part:
First I tried Kingroot. It failed. Then dr.phone, it failed too. Then I tried this solution:
<https://dreamworks75.blogspot.co.uk/2017/06/blackview-bv6000-smartphone-mt67xx-twrp.html>
But no luck either. Every time I try to flash TWRP, so I can root from SuperSU it won't start after plugging the USB cable. So, in summary:
* Yes, I did read a lot stack exchange posts, YT tutorials and internet guides before I wrote my down here :D
* Android version 7.0 Nugat, Windows 10 64-bit (PC), USB cable provided with Blackview set, SP Flash Tool 5.1624 and 5.1720
* I am sticking to the steps in guide from link
* Phone is turned off
* Phone is not plugged to PC before clicking "Download" icon in SP Flash Tool
* I accessed developer options on phone with enabled USB debbuging and OEM unlocking
* I'm using ROM, recovery image and scatter file provided from needrom.com (this one exactly: <https://www.needrom.com/download/blackview-bv6000-4/>) and I tried few more from various sources
* I have drivers installed on PC (checked with USBDeview), MT67xx included
* I tried SP Flash Tool both with and without "authentication file" field
* After clicking "Download" button in SP Flash and plugging phone via USB nothing happens
If you have any advice, hint or other means to get rid of this unwanted apps I would be grateful. I spent already two days trying to figure it out.<issue_comment>username_1: Default network settings on VMware is NAT as i remember. Try to bridge network from VMware network settings. However i never had such problem for installed android on VMware. I had several times same issue on my android 6.0 device and i simply just cleared cache for applications and reset network. Try to remove completely Android from VM and reinstall. Also did you set other graphics and etc.. In settings. Or maybe ISO's fault and android security due network.
Upvotes: 1 <issue_comment>username_1: I'm not at home right now and i have to go but once i get home I'll tell you what might work. When you mounted android ISO did you set x32 or x64 and you might need to enable virtualization from bios settings.
Upvotes: 0 |
2017/06/30 | 635 | 2,747 | <issue_start>username_0: I am using 2 factor authentication through google authenticator and forgot to keep backup for one of the websites (cex.io). When I changed to new phone, I uninstalled Google authenticator from the old one. And now I am locked out of my account. I still have access to the phone and I have reinstalled google authenticator.
Now in this situation, is there any possible way to recover the keys for two factor that were saved on my phone? Customer support for cex.io is very slow and I am not sure when they are going to disable two factor so that I can setup for my new phone. If it is relevant, I was using Redmi 1s from Xiomi.<issue_comment>username_1: Google Authenticator uses "seed" values which are symmetric keys used to generate OTPs (One Time Passwords). This means there is more than one copy of these keys, one with Google and other with the registered applications. In a sense they are in pair, hence symmetric. When you try to register your new device with authenticator, there are more than two copies of these keys and this causes an authentication problem. If these keys were easy to be backed up and restored, the security might have been at risk. So, all you can do is re-register your new instance of Google Authenticator. For this you need to follow these steps-
1. Log in to your Google account (Since the Authenticator's key we have wouldn't be useful here, you can choose either Call or Message to get a code on your registered mobile number.)
2. After logging in, go to My Account > Sign-in & Security. In the password and sign-in method click on 2-step verification (you will be asked to enter your password again).
3. On the next screen, you will see an option for Authenticator app, click Change phone and select Android or iPhone(accordingly).
4. On your new phone install Google Authenticator app and open it, go to Set up an account and choose Scan barcode. Delete the previous entry if you have pre-installed the app and have an account registered.
5. On the next screen, enter the 6-digit key which you get on your app.
Let me know if there's an issue.
Upvotes: 1 <issue_comment>username_2: You should wait for the reply from the Support team of cex.io. As you didn’t save QR codes you cannot restore your tokens. Tip: save the QR code at the moment of token enrollment and keep it in a safe place. Then you’ll be able to restore your tokens on your new device. Or next time you’ll take a decision to change the phone, first of all, you should disable 2FA at your account settings (you will be asked to enter the OTP generated by Google Authenticator from your old phone). Then you should download Google Authenticator on your new device and add new tokens.
Upvotes: 1 [selected_answer] |
2017/06/30 | 588 | 2,559 | <issue_start>username_0: My Samsung Galaxy S6 indicates constantly the wrong direction in Maps, compass apps, etc. as it shows the North always towards the left side of the phone. (This might be a long-term effect of the magnetic phone case.) Compass calibration is reported as "very good" and re-calibrating the compass by moving the phone in a 8-figure pattern doesn't have any effect.
Is it possible to somehow reset the compass calibration to factory settings?<issue_comment>username_1: Google Authenticator uses "seed" values which are symmetric keys used to generate OTPs (One Time Passwords). This means there is more than one copy of these keys, one with Google and other with the registered applications. In a sense they are in pair, hence symmetric. When you try to register your new device with authenticator, there are more than two copies of these keys and this causes an authentication problem. If these keys were easy to be backed up and restored, the security might have been at risk. So, all you can do is re-register your new instance of Google Authenticator. For this you need to follow these steps-
1. Log in to your Google account (Since the Authenticator's key we have wouldn't be useful here, you can choose either Call or Message to get a code on your registered mobile number.)
2. After logging in, go to My Account > Sign-in & Security. In the password and sign-in method click on 2-step verification (you will be asked to enter your password again).
3. On the next screen, you will see an option for Authenticator app, click Change phone and select Android or iPhone(accordingly).
4. On your new phone install Google Authenticator app and open it, go to Set up an account and choose Scan barcode. Delete the previous entry if you have pre-installed the app and have an account registered.
5. On the next screen, enter the 6-digit key which you get on your app.
Let me know if there's an issue.
Upvotes: 1 <issue_comment>username_2: You should wait for the reply from the Support team of cex.io. As you didn’t save QR codes you cannot restore your tokens. Tip: save the QR code at the moment of token enrollment and keep it in a safe place. Then you’ll be able to restore your tokens on your new device. Or next time you’ll take a decision to change the phone, first of all, you should disable 2FA at your account settings (you will be asked to enter the OTP generated by Google Authenticator from your old phone). Then you should download Google Authenticator on your new device and add new tokens.
Upvotes: 1 [selected_answer] |
2017/07/01 | 568 | 2,251 | <issue_start>username_0: I have had an odd problem where the [Android Messages app](https://play.google.com/store/apps/details?id=com.google.android.apps.messaging&hl=en) had a notification bubble with a number of 1 or higher. That is, the app acts as if there is one unread message. Looks kinda like this: 
But when I check inside the sms messages app, I see no unread messages, no unsent messages, no drafts. There shouldn't be a notification bubble. The app acts as if there's a hidden message always there.
How can I get rid of this number?<issue_comment>username_1: I went to settings--storage and clicked Apps. Then chose messenger and clicked clear data. That removed it.
Upvotes: -1 <issue_comment>username_2: The OP originally wrote this in the question, so I'm posting it as an answer so the question stops showing up as "unanswered":
>
> I dealt with this for a year or so, as it wasn't super significant, it just bugged me. I use an Xperia Z5, where Sony has their own messaging app clone, which I disabled soon after buying the phone. I used hangouts before finally switching to Android Messages, where I experienced this notification bug. To fix the problem, I simply enabled the built-in Xperia messaging app, and found a sneaky unread message: an undownloaded mms image sent to me a year ago. I deleted the message and the notification bubble went away. I went back to the Android Messages app and the notification bubble didn't come back.
>
>
> For those who have a pure android experience and use the default messaging app, I suggest switching to another sms app. If upon choosing said app as your default sms app, said app shows you the same ghost notification bubble, then you have a ghost message that didn't show up in the Android Messages app for some reason or other. I hope this helps a brave googler somewhere.
>
>
> ### tl;dr
>
>
> Temporarily switch to another SMS app. You may have a ghost message that isn't showing up in the app you normally use. Delete the ghost message and switch back.
>
>
>
Upvotes: 1 [selected_answer]<issue_comment>username_3: Click the 3 dots @ top right corner and MARK ALL MESSAGES AS READ.
Upvotes: 0 |
2017/07/01 | 368 | 1,238 | <issue_start>username_0: I would like to change the resolution of my s4 1080x1920 to 720x1280 not the dpi but the resolution. I have root access and am on android 6.0.1. How can I do this.
I want to do this to see how much battery I can save. Usually my phone last 3 days (normal use) on my custom 7800mah battery without charing but I don't really have much use for an UHD screen so I want to see if it can last longer by lowering the resolution.<issue_comment>username_1: Since you don't want to use the dpi route, instead you can modify a system property in `build.prop` file.
Navigate to `/system/build.prop` and find this property name : `persist.dash.max.rep.resolution` under property value put `1280*720`
Upvotes: 1 <issue_comment>username_2: Using adb, no root required
===========================
Use the command `adb shell wm size 720x1280`
Using phone, root required
==========================
Download any Terminal app, such as [this one](https://play.google.com/store/apps/details?id=jackpal.androidterm&hl=en).
Type the command `su` to enter superuser mode, and then type `wm size 720x1280` into the terminal.
Source: <http://www.theandroidsoul.com/change-screen-resolution-adb-android/>
Upvotes: 3 [selected_answer] |
2017/07/02 | 393 | 1,342 | <issue_start>username_0: I was using VOLTE services (from reliance jio in India) seamlessly since November 2016, but since June 2017 it suddenlt stopped working. I get an error "Unable to place call. Please try another method" while trying to make a call. I am able to access the internet and make/recieve calls from the Jio 4G Voice app.
**UPDATES:**
* I have enabled "enhanced 4G LTE mode"
* Did a factory reset
* My jio connection is on and working. Also, I can place/receive calls from the `Jio4GVioce` app which means the service is working fine.<issue_comment>username_1: Since you don't want to use the dpi route, instead you can modify a system property in `build.prop` file.
Navigate to `/system/build.prop` and find this property name : `persist.dash.max.rep.resolution` under property value put `1280*720`
Upvotes: 1 <issue_comment>username_2: Using adb, no root required
===========================
Use the command `adb shell wm size 720x1280`
Using phone, root required
==========================
Download any Terminal app, such as [this one](https://play.google.com/store/apps/details?id=jackpal.androidterm&hl=en).
Type the command `su` to enter superuser mode, and then type `wm size 720x1280` into the terminal.
Source: <http://www.theandroidsoul.com/change-screen-resolution-adb-android/>
Upvotes: 3 [selected_answer] |
2017/07/03 | 394 | 1,334 | <issue_start>username_0: There is a question [here](https://askubuntu.com/q/718912/244993) but that is for Ubuntu on PC.
I have the same question for an android device.
>
> Is there a way to have two copies of telegram app in Android each with
> a different account?
>
>
>
I'm using the version **Kitkat 4.4**.<issue_comment>username_1: Use the Parallel Space app. Using this app, you can run more than one copy of almost any app. Here is a link to the app: <https://play.google.com/store/apps/details?id=com.lbe.parallel.intl>
Upvotes: 1 <issue_comment>username_2: **TL;DR: It's available officially.**
From version **4.7 of Telegram** (December 30, 2017) [it's available officially in the Android app](https://telegram.org/blog/themes-accounts#multiple-accounts).
>
> Multiple accounts
> -----------------
>
>
> The Android app already supported multiple themes, so it had to go further with **4.7** by supporting **multiple accounts**. You can add up to three accounts with different phone numbers to your Telegram app, and then quickly switch between them from the side menu. Notifications will keep coming from all accounts, unless you change this in the Notification settings.
>
>
> [](https://i.stack.imgur.com/XEobE.gif)
>
>
>
Upvotes: 0 |
2017/07/04 | 860 | 3,120 | <issue_start>username_0: I've rooted my Nexus 7 using the SO instructions [How do I root my Nexus 7?](https://android.stackexchange.com/questions/37760/how-do-i-root-my-nexus-7/37761#37761). I'm trying to install LineageOS using its instructions <https://wiki.lineageos.org/devices/flo/install#installing-lineageos-from-recovery>. But steps 4 and 6 fail (making a backup, and wipe / advanced wipe). Both failures include the messages `Failed to mount '/data' (Invalid argument)` and `Unable to mount storage`.
So `/data` may be corrupt.
From `adb shell`, `ls /data` shows that it's an empty directory; `mount /data` fails with the same error `Invalid argument`.
From `adb shell`, the Nexus 7's `/etc/fstab` mentions `/dev/block/mmcblk0p30 /data ext4 rw 0 0`. But when I try to repair that device with `e2fsck`, it finds no superblock, even with `-b 8193`.
From `adb reboot bootloader`, the screen shows `SECURE BOOT - enabled` and `LOCK STATE - unlocked`. From that fastboot screen, if I select recovery mode, I see the teamwin TWRP 3.1.1-0 splash screen for 30 seconds, then I "swipe to allow modifications," and then I see TWRP's 8 big buttons.
Well, the backup and wipe buttons fail, so just for giggles, I tapped the button `Install` (LineageOS steps 7-10), and chose the lineage and open\_gapps .zip files that I'd `adb push`ed to `/sdcard`. To prevent the install from working, checked the checkbox "verify zip signature" without copying over the md5 files containing the signatures. Besides the expected failure to verify the signatures, I saw these errors:
`Failed to mount '/data' (Invalid argument)`
`Unable to recreate /data/media folder`
`E:Could not create /cache/recovery/`
`Unable to mount storage`.
`Can't open destination log file: '/cache/recovery/log'`
`Unable to mount /data/media/TWRP/.twrps`
`E:DataManager::Output_Version -- Unable to make /cache/recovery`
Again, `/data` seems to be the problem. I probably shouldn't attempt a real install before taking care of that.
**How should I recover from these errors, to install LineageOS or, failing that, to restore the device to factory defaults?** (If it helps, I have another Nexus 7, unrooted.)<issue_comment>username_1: These `/data`-related errors are likely because TWRP can't decrypt the current `/data` partition. This often happens with stock ROMs, since TWRP is only made to handle the encryption method of AOSP.
To work around it, in TWRP, choose `Wipe - Format Data`. This will wipe all data from the device, but at the same time remove encryption and allow you to start off fresh. You can then reboot to recovery again to check if there are still errors displayed, and if not (it shouldn't), proceed with any other flashing actions.
Upvotes: 5 [selected_answer]<issue_comment>username_2: I had this encrypted volume problem as @andy-yan decribes, but couldn't boot into TWRP far enough to wipe data and remove encryption.
I had to reinstall a stock rom from <https://developers.google.com/android/images> and confirm that encryption was disabled in settings -> security before trying again to install lineageos.
Upvotes: 1 |
2017/07/05 | 335 | 1,347 | <issue_start>username_0: Hi Android enthusiasts,
I have Xolo Era X1 running Android 6.0
My lock screen unlocks by swiping upwards. Now there are 2 icons at the bottom, one launches Google talking girl and the other opens camera.
Because I'm right handed I accidentally launch camera while unlocking.
How can I remove that camera launcher icon from lock screen? Or how can I replace it with Reddit icon?<issue_comment>username_1: These `/data`-related errors are likely because TWRP can't decrypt the current `/data` partition. This often happens with stock ROMs, since TWRP is only made to handle the encryption method of AOSP.
To work around it, in TWRP, choose `Wipe - Format Data`. This will wipe all data from the device, but at the same time remove encryption and allow you to start off fresh. You can then reboot to recovery again to check if there are still errors displayed, and if not (it shouldn't), proceed with any other flashing actions.
Upvotes: 5 [selected_answer]<issue_comment>username_2: I had this encrypted volume problem as @andy-yan decribes, but couldn't boot into TWRP far enough to wipe data and remove encryption.
I had to reinstall a stock rom from <https://developers.google.com/android/images> and confirm that encryption was disabled in settings -> security before trying again to install lineageos.
Upvotes: 1 |
2017/07/05 | 289 | 1,203 | <issue_start>username_0: Is it possible to setup a google play account without a credit card, using only gift cards (this is possible on apple), which will allow me to download free and paid apps & music from the play store?
I'm in the uk if that helps,
Thanks<issue_comment>username_1: These `/data`-related errors are likely because TWRP can't decrypt the current `/data` partition. This often happens with stock ROMs, since TWRP is only made to handle the encryption method of AOSP.
To work around it, in TWRP, choose `Wipe - Format Data`. This will wipe all data from the device, but at the same time remove encryption and allow you to start off fresh. You can then reboot to recovery again to check if there are still errors displayed, and if not (it shouldn't), proceed with any other flashing actions.
Upvotes: 5 [selected_answer]<issue_comment>username_2: I had this encrypted volume problem as @andy-yan decribes, but couldn't boot into TWRP far enough to wipe data and remove encryption.
I had to reinstall a stock rom from <https://developers.google.com/android/images> and confirm that encryption was disabled in settings -> security before trying again to install lineageos.
Upvotes: 1 |
2017/07/05 | 431 | 1,799 | <issue_start>username_0: I had Marshmallow on my Samsung S6 before, and I would sometimes have many, *many* notifications - all the way to the system icons on the right.
Now I have Nougat on the phone, and it invariably shows a maximum of just *three* icons plus an ellipsis (...) to indicate that there are more. Of course the hidden notifications are the ones I am really interested in; the others are more or less static based on running background apps.
* Is there a way to adjust the limit of how many notifications are shown?
* Is this a Nougat "feature", or a Samsung "feature"?
* Is this specific to only some Samsung regions?
The notification LED seems to work as usual, so there's that.
I use "DRE" for my SM-G920F but I'm aware there are other regions that would also work on this phone. They probably all have various combinations of bloatware; if only I could find a bloatless version...<issue_comment>username_1: While I can't confirm that this is Samsung-exclusive, I've got my phone showing 5 notifications right now in the status bar (OnePlus 5, Oxygen OS (Nougat, stock, very close to AOSP).
I don't know if there is a way to change this on our phone, but usually static notifications are given a very low priority, and are so shown last. Those apps may have a setting that can be changed in their settings section. Alternatively, you may be able to set an app to only be able to create low-priority notifications. I'm not sure how this will impact the functionality, so you would have to give it a try, but it may work for you.
Upvotes: 0 <issue_comment>username_2: you can limit the Galaxy to only show the last three notifications in the status bar to keeps things clean and orderly. Head into Settings > Display > Status Bar and make any necessary changes.
Upvotes: 1 |
2017/07/05 | 432 | 1,852 | <issue_start>username_0: There is an app that has a paid service. It allows you to use a free trial 3 times for 1 hour before it detects that you have used your 3 trials and blocks you. I tried various things, but each time it knows I have used my trials:
* un- and re-installing
* clearing app data
* creating backups with titanium backup and restoring it
* creating a new user account on my phone (android M), installing the app separately
How is this app detecting it? The only way I can reset the trials is by resetting my phone, but I can't keep doing this. Is there a way I can monitor the files the app creates/reads/writes?<issue_comment>username_1: Without knowing which app you are using, it's hard to provide feedback. If you have given file access to the app, it could have stored the trial usage somewhere on internal storage or on an SD card (if present). The best you can do is to search through files until you might find something.
It could have also associated itself with your Google ID. Did you ever accept a dialog asking you to choose which Google account you want to use? If so, you can not use the same Google account for a trial on any phone, and would have to use a different account.
That being said, if you have used your three trials, it seems that this is a product that you want to use, and it may be worth paying for. Keep in mind that a developer/company wrote the app, and may be providing infrastructure for its use, which costs them money. Sometimes, there are no free alternatives, and you'll have to pay to use a product or service.
Upvotes: 0 <issue_comment>username_2: its using your IP address... very simple... change that and you can continue with another free trial...
Upvotes: -1 <issue_comment>username_3: It Either Checks your Device info and saves it to their server or tracks your ip..
Upvotes: 0 |
2017/07/06 | 1,265 | 4,527 | <issue_start>username_0: Is it possible to install (multiple) instances of the same app in an isolated environment, whereby it can't detect other apps, or read/write files anywhere else?<issue_comment>username_1: You can try restricting what the app can see with [XPrivacy](https://github.com/M66B/XPrivacy) if your Android version is supported (4.0.3 - 6.0.1).
Upvotes: 1 <issue_comment>username_2: You can actually, there are a multitude of different virtualization apps that have been recently developed. I'm not sure specifically what you require, but you can try out [Parallel Space](https://play.google.com/store/apps/details?id=com.lbe.parallel.intl&hl=en), [Go Multiple](https://play.google.com/store/apps/details?id=com.jiubang.commerce.gomultiple&hl=en), [Multiple Accounts](https://play.google.com/store/apps/details?id=com.excelliance.multiaccounts&hl=en), or many others just like it available in the Play Store.
If you download any one of the launcher apps (such as [Nova Launcher](https://play.google.com/store/apps/details?id=com.teslacoilsw.launcher&hl=en) or [Google Now Launcher](https://play.google.com/store/apps/details?id=com.google.android.launcher&hl=en)) then after installing one of the parallel apps simply import the launcher app into the parallel app (it's the first thing you're asked to do upon opening any of the parallel apps) and you have a secondary "virtualized" environment to install most any app you'd like without it doing any damage to your phone or other apps/accounts/etc.
Upvotes: 1 <issue_comment>username_3: Yes just as the other answers have suggested. AFAICT, this mechanism is now being implemented in newer ROM versions by some manufacturers, and even some independent developers.
For example, Lenovo has incorporated a similar isolation mechanism in order to allow installation of multiple instances of applications or at least dual installation.
This feature is called *[Dual Apps](http://www.androidbeat.com/2017/01/how-to-use-dual-apps-lenovo-k6-power-note/)* in some Lenovo devices:
[](https://i.stack.imgur.com/w5XhOl.jpg)
The brief description states:
>
> Dual Apps will let you run two separate instances of the same app.
> Both instances will run independently of each other and will not share
> any kind of data with each other, except for contacts provided you
> have allowed that.
>
>
>
I believe this idea has been inspired with the recent surge of dual sim-powered smartphones and growing popularity of social networking applications such as WhatsApp, Facebook etc.
For this reason Huawei's EMUI 5.0 has implemented the same feature called *[App Twin](https://club.hihonor.com/in/tips.267/app-twin---an-exclusive-emui-5-0-feature.15269)*
[](https://i.stack.imgur.com/dUQQTl.png) [](https://i.stack.imgur.com/MkAw1.png)
Essentially for now it supports WhatsApp and Facebook but more applications can be added as suggested on [this XDA thread](https://www.xda-developers.com/how-to-clone-any-application-with-emuis-app-twin-feature-no-root/).
However it seems its not as fine-tuned as the former as it has some limitations :
>
> You cannot backup or clear App Twin account data separately. When you
> enable an app in App Twin and perform a backup, both the main account
> and twin account are backed up. When you clear app data, both accounts
> will be deleted.
>
>
>
---
Probably the most interesting project on this topic now is *[Island](https://forum.xda-developers.com/android/apps-games/closed-beta-test-incoming-companion-app-t3366295)*
The developer (<NAME>) is working on a beta version of this project, and is described
>
> *Island* is a sandbox environment to clone selected apps and isolate them from accessing your personal data outside the sandbox (including
> call logs, contacts, photos and etc) even if related permissions are
> granted. Device-bound data is still accessible (SMS, IMEI and etc).
> Isolated app can be frozen on demand, with launcher icon vanish and
> its background behaviors completely blocked.
>
>
>
The features are summarised as follows:
* app freezing,
* privacy protection,
* parallel accounts
As mentioned above its still in beta, and installation is via
Opt-in the open beta test on [Google Play](https://play.google.com/apps/testing/com.oasisfeng.island)
Upvotes: 2 |