- android.permission.SEND_SMS
- android.permission.RECEIVE_SMS
- android.permission.READ_SMS
- android.permission.VIBRATE
- android.permission.CAMERA
Sep 4, 2016
Initial version: four signallers:
- silent
- emit a Toast
- vibrate in Morse Code
- flash the camera flash in Morse Code (if the phone supports it! Android 2.2+?)