This method would create wave form vibration using vibration effect

WaveFormVibration.java

@RequiresApi(api = Build.VERSION_CODES.O)
private void createWaveFormVibrationUsingVibrationEffectAndAmplitude() {
    long[] mVibratePattern = new long[]{0, 400, 800, 600, 800, 800, 800, 1000};
    int[] mAmplitudes = new int[]{0, 255, 0, 255, 0, 255, 0, 255};
    // -1 : Play exactly once

    if (vibrator.hasAmplitudeControl()) {
         VibrationEffect effect = VibrationEffect.createWaveform(mVibratePattern, mAmplitudes, -1);
         vibrator.vibrate(effect);
     }
}