Listview scroll issue when inside scrollview in xamarin forms

Question

This is a prototype of the design : https://i.sstatic.net/JMDRA.png Im not able to have the listView scroll if it's inside the scrollview.Is there anyway i can go about while having the scroll view for the Mainlayout enabled as well as the scroll for the listView which is inside another layout.

Possible duplicate of Nested ListView is not working in xamarin forms — Johannes
– Johannes, Commented May 22, 2018 at 6:08

EvZ · Accepted Answer · 2018-05-21 07:15:58Z

2

Application developers should not nest one ScrollView within another. Additionally, they should refrain from nesting them other elements that can scroll, such as WebView.

Source: official doc.

Nested ScrollViews are disaster just don't do that. Which control will get scrolled on a user interaction? It will totally ruin the UX, performance and etc. You have to rethink your UI.

answered May 21, 2018 at 7:15

EvZ

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AbsoluteSith · Accepted Answer · 2018-05-21 10:02:03Z

Like @EvZ suggests you shouldn't have a Listview which already has a Scrollview inside a Scrollview but unfortunately we might end up in this situations.

You can use this custom renderer for Android to make all your listview work inside scrollviews.

[assembly: ExportRenderer(typeof(Xamarin.Forms.ListView), typeof(ListViewScrollRenderer))]

namespace Glu.Droid.Renderers
{
    public class ListViewScrollRenderer : ListViewRenderer
    {
        protected override void OnElementChanged(ElementChangedEventArgs<Xamarin.Forms.ListView> e)
        {
            base.OnElementChanged(e);

            if (e.NewElement != null)
            {
                var listView = this.Control as Android.Widget.ListView;
                listView.NestedScrollingEnabled = true;
            }
        }
    }
}

Amey Sawant · Accepted Answer · 2018-05-21 11:56:44Z

1

Don't use nested scrollview, instead what you can do is have buttons instead of listviews and on click of that show listview as a different controller as popup.

answered May 21, 2018 at 11:56

Amey Sawant

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