how to show popup Activity or Dialog when phone is locked?

Question

I am trying to show a activity or a dialog when the phone is locked. I have tried using a WakeLock but it did not work and I can only see the activity once my phone is unloc

Answer 1

To show a popup on top of a lock screen try this, from my other answer:

AlertDialog alertDialog = new AlertDialog.Builder(context).create();
        alertDialog.getWindow().setType(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
        alertDialog.show();

To show activity on top of a lock screen, or basically remove the lock screen when activity is starts, try this:

public void onCreate(Bundle savedInstanceState){
     getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
     ...
}

Both of those options require api 5+