How to change incoming call Vibration level when incoming call made?

Question

Somehow tricky question. I am working with one app through which user can set incoming call custom ringtone and different vibration level for different contacts.

I have

Answer 1

The Android Vibrate API has only time control. There is no magnitude control in that API.

For more refer this

http://developer.android.com/reference/android/os/Vibrator.html