`ItemsWrapGrid` is not supported with `ItemsControl`

[takla21]

Current behavior

When we use an itemsWrapGrid inside the ItemsPanelTemplate, we only see the first item on all plateforms

Expected behavior

We should be able to see all items.

How to reproduce it (as minimally and precisely as possible)

Download sample ItemsWrapGrid.zip Deploy on any heads (Android, iOS or Wasm)

Workaround

Use a GridView in place of ItemsControl

Environment

Nuget Package:

• [x] Uno.UI / Uno.UI.WebAssembly / Uno.UI.Skia

Nuget Package Version(s): 3.1.0-dev.274

Affected platform(s):

• [x] iOS
• [x] Android
• [x] WebAssembly
• [ ] WebAssembly renderers for Xamarin.Forms
• [ ] macOS (Didn't test)
• [ ] Skia (Didn't test)
  • [ ] WPF (Didn't test)
  • [ ] GTK (Linux) (Didn't test)
• [ ] Windows
• [ ] Build tasks
• [ ] Solution Templates

IDE:

• [ ] Visual Studio 2017 (version: )
• [x] Visual Studio 2019 (version: 16.6.2)
• [ ] Visual Studio for Mac (version: )
• [ ] Rider Windows (version: )
• [ ] Rider macOS (version: )
• [ ] Visual Studio Code (version: )

Relevant plugins:

• [ ] Resharper (version: )

Anything else we need to know?

I've created another issue for wasm, because the result is worse #4025

[davidjohnoliver]

At the moment ItemsWrapGrid along with ItemsWrapPanel is only supported on Uno when used as the ItemsPanel of a ListViewBase type (eg ListView or GridView). The workaround then is to use a GridView in place of an ItemsControl.

[SuperJMN]

At the moment ItemsWrapGrid along with ItemsWrapPanel is only supported on Uno when used as the ItemsPanel of a ListViewBase type (eg ListView or GridView). The workaround then is to use a GridView in place of an ItemsControl.

I think GridView isn't working for Skia.Wpf.