Maui android change scrolling to neither not working

Question

Hello all. Maui 17.9 preview 5 and android 34. I tried to change scrolling to neither and this no work. myscroll.orientation = scrollorientation.neither but this not working. Please any help in this Thank you very much.

Answer 1

Hello,

This is a known issue in github [Android] ScrollView Orientation=Neither not working #18418.

For this problem, you can use Android's native method to disable or enable scrolling in ScrollView. Please refer to the following steps.

Step 1. Create a touch listener for ScrollView under the Android folder.

internal class MyTouchListener : Java.Lang.Object, IOnTouchListener
{
    public AndroidX.Core.Widget.NestedScrollView NestedScroView { get; set; }
    public bool ScrollEnabled { get; set; }
    public MyTouchListener(bool enabled, NestedScrollView view)
    {
        NestedScroView = view;
        ScrollEnabled = enabled;
    }
    public bool OnTouch(global::Android.Views.View? v, MotionEvent? e)
    {
        if (ScrollEnabled==true)
        {
            return NestedScroView.OnTouchEvent(e);
        }
        else
        {
            return true; // If it returns true directly, ScrollView deactivates scrolling behavior.
        }
       
    }
}

Step 2. Disable or enable scrolling via the handler settings.

<ScrollView x:Name="scroll">
// disable scrolling
            scroll.HandlerChanged += (sender, e) =>
            {
#if ANDROID
                var s = scroll.Handler.PlatformView as AndroidX.Core.Widget.NestedScrollView;
                if (s != null)
                {
                    s.SetOnTouchListener(new MyTouchListener(false,s));
                }
#endif
            };
// enable scrolling
#if ANDROID
            var s = scroll.Handler.PlatformView as AndroidX.Core.Widget.NestedScrollView;
            if (s != null)
            {
                s.SetOnTouchListener(new MyTouchListener(true, s));
            }
#endif

Best Regards,

Alec Liu.

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