[android-developers] Gesture & events handling by multiple hierarchical views/ viewgroups in android

I use android compatibility package's ViewPager widget (with android
homescreen like multiple screens support via horizontal swipe left/
right gesture), and a GridView in one of such screen. The gridview
further contains fragments as its items.

I would like to be able to have swipe up/ down gesture support on
fragment (app's feature to change its content), and the singleClick/
LongClickItem gesture support by GridView (to select the item, or to
start drag & drop on long click), and the default ViewPager screens
switch via swipe left/ right gesture. But I couldn't find a way of
handling onTouchEvent() by all these 3 hierarchical viewgroup/ view
items.

I implement onTouchEvent() in fragments views to detect swipe U/D
gesture and returns true in that function on receiving
MotionEvent.Down event, but I have to disallow its parent item
(ViewParent), GridView, to stop intercepting the event as otherwise my
fragment doesn't receive any touch event callback. And if disallow
this intercept, then the ViewPager's horizontal swipe up/ down gesture
also stops working.

Could someone suggest me a solution to fulfill my requirement to
handle the appropriate gestures/ events by all the 3 items?

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