awesome-uiwidgets/AwesomeUIWidgets/Assets/Scripts/ChatPanelDemo.cs

using System.Collections.Generic;
using uiwidgets;
using Unity.UIWidgets.cupertino;
using Unity.UIWidgets.engine;
using Unity.UIWidgets.ui;
using Unity.UIWidgets.widgets;
using Text = Unity.UIWidgets.widgets.Text;
using ui_ = Unity.UIWidgets.widgets.ui_;
using TextStyle = Unity.UIWidgets.painting.TextStyle;

namespace UIWidgetsSample
{
    public class ChatPanelDemo : UIWidgetsPanel
    {
        protected override void onEnable()
        {
            base.onEnable();
            AddFont("Material Icons", new List<string> {"MaterialIcons-Regular.ttf"}, new List<int> {0});
        }

        protected override void main()
        {
            ui_.runApp(new ChatRoomApp());
        }

        class ChatRoomApp : StatelessWidget
        {
            public override Widget build(BuildContext context)
            {
                return new CupertinoApp(
                    home: new ChatPage()
                );
            }
        }
    }
}