how to get the default vibration pattern of an android device?

Question

I am creating an app for Android API 23, and I want to get the default vibration pattern that is used when the phone rings?

I have this so far:

Vibrator vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
long[] pattern = {0, 500, 1000}; // default pattern goes here
vibrator.vibrate(pattern, 0);

How can I get the default pattern?

Answer 1

The default vibrate pattern can be found at the following class: com/android/server/notification/NotificationManagerService.java, which is

static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250};

See the source code from here.

Unfortunately, there is no public API to get this default pattern so far.

Answer 2

As far as I know the default vibrate pattern is a

{ delay, vibrate, sleep, vibrate, sleep } pattern

In case of your code

long[] pattern = new long[] { 1000, 1000, 1000, 1000, 1000 };

The vibration now set to a delay of 1000 ms. If you set the first one to 0, it will go off instantly.