Issue10182Activity.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Renderscripts;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Xamarin.Forms.Controls.Issues;

namespace Xamarin.Forms.ControlGallery.Android
{
	[Activity(Label = "Issue10182Activity", Icon = "@drawable/icon", Theme = "@style/MyTheme",
		MainLauncher = false, HardwareAccelerated = true,
		ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.UiMode)]
	public class Issue10182Activity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
	{
		Activity1 _activity1;
		protected override void OnCreate(Bundle savedInstanceState)
		{
			var currentApplication = Xamarin.Forms.Application.Current;
			TabLayoutResource = Resource.Layout.Tabbar;
			ToolbarResource = Resource.Layout.Toolbar;

			base.OnCreate(savedInstanceState);

			global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
			LoadApplication(new Issue10182Application());

			_activity1 = (Activity1)DependencyService.Resolve<Context>();

			Device.BeginInvokeOnMainThread(async () =>
			{
				try
				{

					await Task.Delay(1000);
					{
						Intent intent = new Intent(_activity1, typeof(Activity1));
						intent.AddFlags(ActivityFlags.ReorderToFront);
						_activity1.StartActivity(intent);
					}

					await Task.Delay(1000);
					{
						Intent intent = new Intent(this, typeof(Issue10182Activity));
						intent.AddFlags(ActivityFlags.ReorderToFront);
						StartActivity(intent);
					}

					await Task.Delay(1000);
					{
						Intent intent = new Intent(_activity1, typeof(Activity1));
						intent.AddFlags(ActivityFlags.ReorderToFront);
						_activity1.StartActivity(intent);
					}
				}
				finally
				{
					this.Finish();
					_activity1.ReloadApplication();
					currentApplication.MainPage = new Issue10182.Issue10182SuccessPage();
				}
			});
		}

		public class Issue10182Test : ContentPage
		{
			public Issue10182Test()
			{
				Content = new StackLayout()
				{
					Children =
					{
						new Label()
						{
							Text = "Hold Please. Activity should vanish soon and you'll see a success label",
							AutomationId = "Loaded"
						}
					}
				};
			}
		}

		public class Issue10182Application : Application
		{
			protected override void OnStart()
			{
				var contentPage = new Issue10182Test();
				base.OnStart();
				MainPage = contentPage;
			}

			protected override void OnSleep()
			{
				base.OnSleep();
				MainPage = new NavigationPage(new ContentPage());
			}
		}
	}
}