This PR will ask the nested item to forward its touch capture to the parent and ask it not to process the touch again. The real problem occours when i am at the bottom (or at the top) of the scrollview: if i insist to scroll down even if i am at bottom obviously it can't scroll and then Scrollview_ScrollChanged is not called BUT scrollview consumes touch and so i can't revert back the color of the panel. BaseColumns; CalendarContract.AttendeesColumns; CalendarContract.CalendarAlertsColumns; CalendarContract.CalendarCacheColumns; CalendarContract.CalendarColumns Hi,i have updated your code. There for with API 14 (Android 4.0) comes View.canScrollVertically(int direction) and View.canScrollHoricontally(int direction). 1. package org.altervista.xsparter.www.updatelayout; Android ScrollViewer is not forwarding touch events when they are caught by the nested horizontal scroll viewer. Component that wraps platform ScrollView while providing integration with touch locking "responder" system. Every UI element has a Raycast Target option that if is enabled, the element catches the touch input and wont let elements behinds it, react to the touch event. The example implementation below shows how to listen for MotionEvent.ACTION_MOVE events and translate them to an angle of rotation for a shape. Thanks for your help <3. ##Analysis## Android updated there ScrollView onInterceptTouchEvent(MotionEvent event) implementation to ignore touch events when ScrollView is at top and can't scroll any further. Android ScrollView Tutorial With Example | Vertical ScrollView In Android. You can keep on logging different values by changing the dispatchTouchEvent() , onInterceptTouchEvent() , onTouchEvent() code and even dump the stack to get more insights regarding how the touch system sort of works and the event propagates. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and … So you have to disable icon, text and the yellow panel behind it in order for the scroll component to work. My version support "OnTopReachedListener". ScrollView. The touch events are first pushed down the hierarchy tree, where any ViewGroup is given a change to intercept them, and then they bubble up again, until some component decides to respond and consume the event. In order to bound the height of a ScrollView, either set the height of the view directly (discouraged) or … The activity’s dispatchTouchEvent () is the first method that receives touch events. In the first example, we will use plenty of buttons to make our view scrollable. Dim reflect ad Reflector reflect.Target = Scroll.Panel reflect.SetOnTouchListener("Pnl_Touch") 'Event Sub Pnl_Touch(lblTest1 As Object, Action As Int, X As Float, Y As Float, MotionEvent As Object) As Boolean Select Action Case Activity.ACTION_DOWN 'do something here.. 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