on
abstract fun onRotation(gestureDetector: RotationGestureDetector, angle: Float, pivotX: Float, pivotY: Float): Boolean
Called when rotation is detected.
Return
true if event has been handled, false otherwise.
Parameters
gesture
gesture detector that raised the event.
angle
amount of angle variation between consecutive touch events expressed in radians.
pivot
x coordinate of pivot point.
pivot
y coordinate of pivot point.