using Xamarin.Forms;
using System.Collections.Generic;

namespace one
{
    public partial class App : Application
    {
        public App()
        {
            List<ContentPage> pages = new List<ContentPage>(0);
            Color[] colors = { Color.Red, Color.Green, Color.Blue };
            foreach (Color c in colors) {
                pages.Add(new ContentPage {
                    Content = new StackLayout {
                        Children = { 
                            new Label {
                                Text = c.ToString()
                            },
                            new BoxView {
                                Color = c,
                                VerticalOptions = LayoutOptions.CenterAndExpand
                            }
                        }
                    }
                });
            }

            MainPage = new CarouselPage {
                Children = {
                    pages[0],
                    pages[1],
                    pages[2]
                }
            };
        }

        protected override void OnStart()
        {
            // Handle when your app starts
        }

        protected override void OnSleep()
        {
            // Handle when your app sleeps
        }

        protected override void OnResume()
        {
            // Handle when your app resumes
        }
    }
}

效果图：