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I've been trying to learn how to use Android Studio but when I attempted to run one of the sample programs I get this error message:
Installation failed with message null. 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?
I've tried to do this on 5 more sample programs and all of them give me this error. Does anyone know how to solve this?
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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.
Another common reason for the App not installed error could be that there is not enough free memory on your device's internal storage. Most users think that the size of the apk file is the actual size of the app. But this is not the case. Actually the apk file is a packaged version of the application itself.
Unplug your device from the USB port on the computer. Restart the device by powering off and back on. Verify that Settings => Developer options => USB Debugging is enabled. Quit and re-launch Android Studio.
I'm Using Redmi 3s mobile. I got same problem.
Solution: This issue is common on Xiaomi phones running MIUI 8. This can resolved by turning off MIUI optimizations from Developer Options in Settings app. Then recompile the app and voila it works.
Settings --> Additional settings --> Developer options --> Turn Off MIUI optimization Or
Settings --> Developer options --> Turn Off MIUI optimization If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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