Android BroadcastReceiver on startup - keep running when Activity is in Background

Question

I\'m monitoring incoming SMSs.

My app is working perfectly with a BroadcastReceiver. However it is working from an Activity and would like to keep the <

Answer 1

Beside @Javanator answer I would like to include a case for Android version of (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) In my case this is working for Android SDK 29 (10)

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
      context.startForegroundService(new Intent(context,FloatingWindow.class));
} else {
      context.startService(new Intent(context, FloatingWindow.class));
  }