public void reset() {
    mGestureInProgress = false;
    mPointerCount = 0;
    for (int i = 0; i < MAX_POINTERS; i++) {
      mId[i] = MotionEvent.INVALID_POINTER_ID;
    }
  }
Resets the component to the initial state.
samples/gestures/src/main/java/com/facebook/samples/gestures/MultiPointerGestureDetector.java