onInterceptTouchEvent only gets ACTION_DOWN

Question

Why do ViewGroup\'s only get ACTION_DOWN in the onInterceptTouchEvent? According to the docs, as long as false is returned it should r

Answer 1

[Touch event flow]

The official doc

Activity.dispatchTouchEvent(MotionEvent) - This allows your Activity to intercept all touch events before they are dispatched to the window.

ViewGroup.onInterceptTouchEvent(MotionEvent) - This allows a ViewGroup to watch events as they are dispatched to child Views. It is recursively function (from parent to parent)

ViewParent.requestDisallowInterceptTouchEvent(boolean) - Call this upon a parent View to indicate that it should not intercept touch events with onInterceptTouchEvent(MotionEvent).