An Android app remembers its data after uninstall and reinstall

Question

While developing an Android app targeting all versions above 4.1, I observed that uninstalling my app and installing it again does not clear its data.

The app is d

Answer 1

You should check your device's Backup and Reset settings, and turn off Automatic restore (when reinstalling an application, backed up settings and data will be restored.)

Turning off auto-backup is different from the auto-restore. If you think it will be helpful to turn on auto-backup for your application do so. But if you think this will make end users who are not aware that the auto-restore feature of their device is turned on, feel free to turn it off.

In my case, I turned off the allowBackup feature, but since I already had a backup of the previous version on the Cloud, it still kept on restoring.

See image as reference for a Samsung device on Android 6.0. Other devices and versions may have a different screen. See image below.

Automatic Restore Setting under Backup and Reset