36
votes
Accepted
How to use Windows' internet on Android phone through USB cable
Actually, Method 1 is quite easy to do. As implied by this answer, you need more that one network connection for the sharing tab to appear.
Short Answer:
First, ignore the instruction of your ...
- 486
33
votes
ADB backup creates 0-byte file; prompts for current backup password even though I never set one; "Failed to set password" for Desktop backup password
Short Answer
Try using an earlier version of adb. 1.0.32 did not work for me, but 1.0.31 did.
Long Answer
I just encountered this issue on a Nexus 5 running CyanogenMod 11 (based on Android 4.4) ...
- 501
16
votes
Change Gmail account to make in-app purchase?
I was having the same problem, and all the other answers didn't solve the problem. However I figure a solution to solve the problem. Please note this works specifically for games, but I have a theory ...
- 336
16
votes
ADB backup creates 0-byte file; prompts for current backup password even though I never set one; "Failed to set password" for Desktop backup password
Building on kevenoid's answer, it may depend on what version of adb is running on the phone.
You can find out what version the phone is running natively by doing the following:
First find out what ...
- 261
16
votes
Wi-Fi turned off but battery usage shows shows huge drain from it
This is a common misconception with Android. When you turn off Wi-Fi, Wi-Fi does not actually turn off. There is an advanced settings menu where you will find an option that either says Wi-Fi scanning ...
- 1,069
14
votes
Accepted
Difference between Android ID and device ID
While your question targets a development issue (which is off-topic here), the answer is relevant for users as well, so I'm going to answer it:
DeviceID: This is the serial of the device, which ...
Izzy♦
- 90.3k
12
votes
Accepted
Turn off vibration notification for ALL apps at once
Update: Android Pie (9.0) finally allows you to disable all the vibrations. Go to Settings app > Accessibility > Vibration. Some ROMs still don't have this option, in which case you may want to ...
- 324
12
votes
How to disable unread group notifications in Whatsapp?
This issue has been plaguing Whatsapp since its inception. I have had long email conversations with their support team on multiple occasions. Even uploaded a detailed video explaining the bug:
Check ...
- 873
11
votes
Accepted
How to move apps to external SD card on a non-rooted Android 4.4.2?
With Kitkat your chances for a "complete solution" without rooting are pretty much zero: the Android project has definitely screwed up here. No apps get full access to the external SD card, which ...
Izzy♦
- 90.3k
10
votes
ADB backup creates 0-byte file; prompts for current backup password even though I never set one; "Failed to set password" for Desktop backup password
The other answers about the command arguments being quoted is accurate. I've found that if you escape the spaces between the arguments, it works.
Like this: adb backup -apk\ -shared\ -all\ -system
- 101
10
votes
Accepted
Why does Android boot so relatively slow?
Few years back, I worked on Android boot time optimization, as a Android developer. Obviously, as part of this work, we first needed to analyse where Android spends time during booting.
Below is the ...
- 2,341
9
votes
How to use Windows' internet on Android phone through USB cable
There is a solution for unrooted devices
I know this is a late answer, but as all existing answers suggest that USB reverse tethering is only possible if either your device is rooted or has system ...
- 271
9
votes
Accepted
How to SUPPRESS "Unfortunately [app] has stopped" messages?
You can't (without customizing the code). The relevant code is in the Activity Manager (see crashApplication() and handleAppCrashLocked()) and it only suppresses these crash messages in 2 cases:
The ...
- 50.5k
7
votes
ADB backup creates 0-byte file; prompts for current backup password even though I never set one; "Failed to set password" for Desktop backup password
None of the workarounds worked for me here, and I don't want to downgrade my SDK tools. Here's what I came up with: skip adb backup on the computer and go straight to device via adb shell.
$adb ...
- 331
7
votes
How can I disable a stock app that has its Disable button greyed out?
On some Android versions you can use adb to disable apps that you would otherwise not be able to deactivate via the UI. The Debloater app linked to above automates and simplifies this process. This ...
- 304
7
votes
Why are disabled apps still running?
Your Android need not to have root access for truly disabling an app, if you've version 4.4.x or above. All you need is adb setup in PC and USB debugging enabled in a non-rooted device, or a terminal ...
- 24.2k
7
votes
Accepted
What is the .android_secure Folder?
android_secure folder contains those apps which you have moved to external SD. Files inside them would have .asec extension
Android 6.0 upwards don't allow you to move apps to external SD as you have ...
- 38.6k
7
votes
How to Install an application that requires android 5.0+ on android 4.4.4
Sometimes an app has the ability to run on an old device, but there is also something in an app's apk file, indicating the oldest version that can install this app. For example, maybe an app CAN be ...
- 201
6
votes
Remove word from autocorrect - Six Android versions and three phones later
When you type in "don't" try holding your finger on "Dont". You should get something along the lines of:
Never predict "Dont" again?
Press yes, and you should be sorted!
- 1,731
6
votes
Accepted
A rather complex wifi issue (android tablet)
By looking at these two lines in logcat:
Could not set interface wlan0 flags (UP): Operation not permitted
WifiStateMachine: Driver start failed, retrying
I would say that the 4.4.2 ROM has a ...
- 752
6
votes
When app is moved to SD card, where is the app data stored on SD card?
OK, after some research it seems that all the apps moved to external SD-card are in the virtual file system /mnt/asec, which is, in turn, an abstraction layer over the encrypted files stored in the ...
- 81
6
votes
Accepted
What is my phone's hostname/network name?
There's a way to retrieve your device's hostname, but you'll have to meet one requirement, which is to have a Terminal Emulator installed on your device.
Once you have one, just open an instance of ...
- 2,959
6
votes
Setting Default applications through ADB
It is not necessary to uninstall the default launcher, you must know it's package name before of doing so, which if you don't know you must get with adb shell cmd shortcut get-default-launcher.
In ...
- 163
5
votes
Accepted
How to perform a factory reset without access to owner profile?
Follow the detailed instructions below on how to completely reset your RCA Android 7 Voyager (RCT6773W22) tablet.
Step 1. With your tablet off, press and hold the volume up (+) button and power ...
- 166
5
votes
How to disable device encryption?
The only way to remove encryption on a previously encrypted Android device is to perform a full factory reset. This means wiping out everything, including contents of the /sdcard partition and losing ...
- 19.4k
5
votes
How can I check when was the phone rooted?
As for the first part: Yes, that definitely means your device is rooted.
For the second part of your question, IMHO it's close to impossible to figure the exact timestamp of rooting (apart from ...
Izzy♦
- 90.3k
5
votes
How to disable unread group notifications in Whatsapp?
ShutApp
ShutApp is an Android app I developed for rooted devices that will automatically mark your muted WhatsApp chats as read and prevent them from jumping to the top of the chat list, so that you ...
- 151
5
votes
How do I check which apps are using wifi?
Go to: Settings > Data usage – WIRELESS & NETWORKS
Tap the right-top menu. It will open up a popup menu.
Check *Show Wi-Fi usage.
Go to Data Usage. You'll realize a new tab called WIFI is added ...
- 2,651
5
votes
Accepted
How to remove a Virus that installs an unlimited amount of APPs causing the smartphone to stop once an internet connection has been established?
As I already mentioned in the comments, here are the primary points you need to be careful about:
Whenever you install an app from the Play Store, you should pay attention to things like permissions, ...
- 439
4
votes
ADB backup creates 0-byte file; prompts for current backup password even though I never set one; "Failed to set password" for Desktop backup password
sigh I'm really sorry if this is the case, and you seem to be careful judging by your screenshots and command lines, but I discovered to my chagrin the same symptoms and thought I'd post just in case ...
- 141
Only top scored, non community-wiki answers of a minimum length are eligible