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androidandroid-activityorientationonpause

Call finish() inside onPause() but not when orientation changes


I have an app that needs to call finish when someone exits its main activity (so i do not want it to be paused), even by pressing home activity has to be finished, to handle this currently i simply call finish() in my onPause() method, since everything is done with fragments it works pretty well and gives no stability issues.

My only problem is that i cannot handle orientation changes since onPause() is called before onConfigurationChanged() (allowing me to disable this behavior when rotation occurs).

I could create a service that handles this but its way to complex.

Any idea?


Solution

  • You can use onWindowFocusChanged event instead of onPause. This function is not called when orientation changed.

    @Override
    public void onWindowFocusChanged(boolean hasFocus) {
        super.onWindowFocusChanged(hasFocus);
        Log.d(TAG, "FOCUS = " + hasFocus);
        if (!hasFocus) finish();
    }
    

    But note: this event is called when activity is still visible (like onPause()), you should use onStop if you want to finish the activity when it is really and fully invisible:

    private boolean isInFocus = false;
    
    @Override
    public void onWindowFocusChanged(boolean hasFocus) {
        super.onWindowFocusChanged(hasFocus);
        Log.d(TAG, "FOCUS = " + hasFocus);
        isInFocus = hasFocus;
    }
    
    @Override
    public void onStop() {
        super.onStop();
        if (!isInFocus) finish();
    }