Vibrator 클래스 vibrate() 함수가 Android O (API 26) 부터 새롭게 변경 deprecated vibrate(milliSeconds) : @Deprecated @RequiresPermission(android.Manifest.permission.VIBRATE) public void vibrate(long milliseconds) { vibrate(milliseconds, null); } vibrate(pattern, repeat) : @Deprecated @RequiresPermission(android.Manifest.permission.VIBRATE) public void vibrate(long[] pattern, int repeat) { vibrate(pattern, rep..