Application works fine on emulator, but I can't launch application on my device (Xiaomi Mi4). At first i seed dialog with such text:
Installation failed with message Failed to establish session. It is possible that this issue is resolved by uninstalling an existing version of the apk if it is present, and then re-installing. WARNING: Uninstalling will remove the application data! Do you want to uninstall the existing application?
But after I agree - i see in log this message:
Launching app $ adb install-multiple -r <....> $ adb shell pm uninstall com.example.app.debug Unknown failure (Failure - not installed for 0) Error while Installing APKs
I've rebooted device several times and plugged/unplugged it to computer, but nothing helped.
The Android app not installed error can be combated after resetting app permissions. Go to Settings > Apps > Reset App Preferences/Reset Application Permissions. After this, third-party software can be installed on your device.
By default Android allows installation only from the Play Store. In order to allow installation of apps from other sources, open the Settings app and locate "Install Unknown Apps" under Privacy/Security settings. Enable the permission for the app which you use to install your APK.
Clear the Google Play Store data If cleaning the cache of the Google Play Store and Google Play Services doesn't resolve the issue, try clearing the Google Play Store data: Open the Settings menu on your device. Go to Apps or Application Manager. (This option might differ depending on your device.)
The following steps illustrate how to fix the "Android App not installed" error in one click: Install Dr.Fone on your Windows. After that, launch it, and connect your Android to the computer. Select the "Android Repair" option and click "Start".
Open setting on your Android device. Look for the option called Apps or Manage apps and tap on it. Check for the Package Installer App under system Apps. You will find two option of Clear data and Clear cache.
10+ Methods to Fix APK Not Installing Error. 1 1. Change App Codes. You can make some changes in the version code or SDK to do so. This method also works on Firestick and Fire TV. 2 2. App Bundles APKs. 3 3. Disable Google Play Protect. 4 4. Sign the Unsigned App. 5 5. Reset All the App Preference. More items
Now , "Failure [not installed for 0]" is the error when i try to uninstall any app that already is uninstalled (OR) doesn't exist on the android, BUT again ,these apps those im facing error to uninstall are actually there in my phone.
For Redmi and Mi devices turn off MIUI Optimization and reboot your phone.
Settings > Developer Options > MIUI Optimization
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