/**
* When the user swipes their finger horizontally, dispatch those touch events to the ViewPager.
* When they swipe vertically, dispatch those touch events to the date or time picker (depending
* on which page we're currently on).
*
* @param event
*/
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
x1 = event.getX();
y1 = event.getY();
break;
case MotionEvent.ACTION_MOVE:
x2 = event.getX();
y2 = event.getY();
if (isScrollingHorizontal(x1, y1, x2, y2)) {
// When the user is scrolling the ViewPager horizontally,
// block the pickers from scrolling vertically.
return super.dispatchTouchEvent(event);
}
break;
}
// As long as the ViewPager isn't scrolling horizontally,
// dispatch the event to the DatePicker or TimePicker,
// depending on which page the ViewPager is currently on.
switch (getCurrentItem()) {
case 0:
if (mDatePicker != null) mDatePicker.dispatchTouchEvent(event);
break;
case 1:
if (mTimePicker != null) mTimePicker.dispatchTouchEvent(event);
break;
}
// need this for the ViewPager to scroll horizontally at all
return super.onTouchEvent(event);
}
