/**
* Handles Touch event
*
* @param event the motion event
* @return
*/
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
lastTouchedPosition = getMotionEventPosition(event);
scroller.forceFinished(true);
clearMessages();
listener.onTouch();
break;
case MotionEvent.ACTION_UP:
if (scroller.isFinished()) listener.onTouchUp();
break;
case MotionEvent.ACTION_MOVE:
// perform scrolling
int distance = (int) (getMotionEventPosition(event) - lastTouchedPosition);
if (distance != 0) {
startScrolling();
listener.onScroll(distance);
lastTouchedPosition = getMotionEventPosition(event);
}
break;
}
if (!gestureDetector.onTouchEvent(event) && event.getAction() == MotionEvent.ACTION_UP) {
justify();
}
return true;
}
/**
* Scroll the spinnerwheel
*
* @param distance the scrolling distance
* @param time the scrolling duration
*/
public void scroll(int distance, int time) {
scroller.forceFinished(true);
lastScrollPosition = 0;
scrollerStartScroll(distance, time != 0 ? time : SCROLLING_DURATION);
setNextMessage(MESSAGE_SCROLL);
startScrolling();
}