com.unity.uiwidgets/Samples/UIWidgetSample/PageViewCanvas.cs

using System.Collections.Generic;
using Unity.UIWidgets.engine;
using Unity.UIWidgets.ui;
using Unity.UIWidgets.widgets;

namespace UIWidgetsSample {
    public class PageViewCanvas : WidgetCanvas {
        protected override Widget getWidget() {
            return new Container(
                width: 200,
                height: 400,
                child: new PageView(
                    children: new List<Widget>() {
                        new Container(
                            color: new Color(0xFFE91E63)
                        ),
                        new Container(
                            color: new Color(0xFF00BCD4)
                        ),
                        new Container(
                            color: new Color(0xFF673AB7)
                        )
                    }
                ));
        }
    }
}