@Override
public boolean onTouchEvent(MotionEvent event) {
if (!isEnabled()) {
return false;
}
int actionMasked = MotionEventCompat.getActionMasked(event);
switch (actionMasked) {
case MotionEvent.ACTION_DOWN:
mDownX = event.getX();
startDragging(event, isInScrollingContainer());
break;
case MotionEvent.ACTION_MOVE:
if (isDragging()) {
updateDragging(event);
} else {
final float x = event.getX();
if (Math.abs(x - mDownX) > mTouchSlop) {
startDragging(event, false);
}
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
stopDragging();
break;
}
return true;
}
