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. There for with API 14 (Android 4.0) comes View.canScrollVertically(int direction) and View.canScrollHoricontally(int direction). 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. Hi,i have updated your code. It will be simple example to understand the core elements in the scrollview. This PR will ask the nested item to forward its touch capture to the parent and ask it not to process the touch again. Component that wraps platform ScrollView while providing integration with touch locking "responder" system. Keep in mind that ScrollViews must have a bounded height in order to work, since they contain unbounded-height children into a bounded container (via a scroll interaction). Thanks for your help <3. The View contains a ViewPager and DisabledListView inside the CustomScrollView . Android ScrollView Tutorial With Example | Vertical ScrollView In Android. ##Analysis## Android updated there ScrollView onInterceptTouchEvent(MotionEvent event) implementation to ignore touch events when ScrollView is at top and can't scroll any further. 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.. In order to bound the height of a ScrollView, either set the height of the view directly (discouraged) or … Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and … 1. My version support "OnTopReachedListener". package org.altervista.xsparter.www.updatelayout; BaseColumns; CalendarContract.AttendeesColumns; CalendarContract.CalendarAlertsColumns; CalendarContract.CalendarCacheColumns; CalendarContract.CalendarColumns CustomScrollView extends ScrollView as a custom scroll view implementation. 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. Android ScrollViewer is not forwarding touch events when they are caught by the nested horizontal scroll viewer. In the first example, we will use plenty of buttons to make our view scrollable. The activity’s dispatchTouchEvent () is the first method that receives touch events. 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. So you have to disable icon, text and the yellow panel behind it in order for the scroll component to work. Setup a touch listener In order to make your OpenGL ES application respond to touch events, you must implement the onTouchEvent () method in your GLSurfaceView class. The example implementation below shows how to listen for MotionEvent.ACTION_MOVE events and translate them to an angle of rotation for a shape. Let us develop two projects in android studio to understand the scrollview practically. This example demonstrates how do I detect end of scrollView in android. ScrollView. New project in android | Vertical ScrollView in android studio to understand the ScrollView practically to icon! 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