constructor() {
    super();
    this.vibrator = new Vibrate();

    // Has vibrator
    this.hasVibrator = 'Has vibrator?: ' + this.vibrator.hasVibrator();
  }

 // Cancel vibration
 cancelVibrate(eventData) {
   this.vibrator.cancel();
   console.log('Cancel vibrate');
 }

 // One seconds vibration
 oneSecondVibrate(eventData) {
   this.vibrator.vibrate(1000);
   console.log('1 seconds vibrate');
 }

 // Pattern vibration
 patternVibrate(eventData) {
   this.vibrator.vibrate([1000, 300, 500, 2000]);
   console.log('Pattern vibrate');
 }

 // Basic vibration
 basicVibrate(eventData) {
   console.log('Basic vibrate');
   this.vibrator.vibrate();
 }