Problem with back button in my app [closed]

Answer 1

Same question as: Android: Android: How to make a specific SharedPreference reset itself after the system reboots?

I don't know of a different way. This implementation is quite simple. Just handle the BOOT_COMPLETED broadcast action and clear preferences by calling .clear() on the SharedPreference.Editor (answer is here).

A simple Boot receiver might look like this:

public class OnBootReceiver extends BroadcastReceiver{

                @Override
                public void onReceive(Context context, Intent intent) {
                      //clear preferences here         
                }

}

Declare it also in your AndroidManifest.xml as:

You will also need a permission for this: