private void vibrateIfEnabled(){
  final boolean enabled=styledAttributes.getBoolean(R.styleable.PinLock_vibrateOnClick,false);
  if (enabled) {
    Vibrator v=(Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
    final int duration=styledAttributes.getInt(R.styleable.PinLock_vibrateDuration,20);
    v.vibrate(duration);
  }
}

private void vibrateIfEnabled ( ) { final boolean enabled = styledAttributes . getBoolean ( R . styleable . PinLock_vibrateOnClick , false ) ; if ( enabled ) { Vibrator v = ( Vibrator ) context . getSystemService ( Context . VIBRATOR_SERVICE ) ; final int duration = styledAttributes . getInt ( R . styleable . PinLock_vibrateDuration , 20 ) ; v . vibrate ( duration ) ; } }
vibrate device on each key press if the feature is enabled
