Proper OnActivated handling

Unity Engine
,
1

I need to handle a URI protocol in my game.

I thought i was doing everything correct. However i got feedback that if my game has not already been started the game just hangs at the splash screen.

I figure i must not be starting Unity properly in my onactivated call. Actually i figured that i would get an Onlaunch before the onactivated and unity would be started but this does not appear to be the case.

how can i properly start my game from a non-executing state when i receive the OnActivated message?

Thank you kindly.

2

I think that’s a known bug and was fixed in upcomming 4.5.

3

Aurimas Cernius,

Any relief for me prior to 4.5? as i need to pass MS certification. And i really don’t mind passing the buck on to your team and linking to this thread where you say it is a unity bug, however MS might not accept that.

4

Well, the good news are that the fix for this bug is in template, so you have to modify the App.xaml.cs file (or App.xaml.cpp, if you’re using C++ project). Here is excerpt from out current template:

		/// <summary>
		/// Invoked when application is launched through protocol.
		/// Read more - [url]http://msdn.microsoft.com/library/windows/apps/br224742[/url]
		/// </summary>
		/// <param name="args"></param>
        protected override void OnActivated(IActivatedEventArgs args)
        {
			string appArgs = "";
			Windows.ApplicationModel.Activation.SplashScreen splashScreen = null;
			switch (args.Kind)
			{
				case ActivationKind.Protocol:
					ProtocolActivatedEventArgs eventArgs = args as ProtocolActivatedEventArgs;
					splashScreen = eventArgs.SplashScreen;
					appArgs += string.Format("Uri={0}", eventArgs.Uri.AbsoluteUri);
					break;
			}
			InitializeUnity(appArgs, splashScreen);
        }

		/// <summary>
		/// Invoked when application is launched via file
		/// Read more - [url]http://msdn.microsoft.com/library/windows/apps/br224742[/url]
		/// </summary>
		/// <param name="args"></param>
		protected override void OnFileActivated(FileActivatedEventArgs args)
		{
			string appArgs = "";
			Windows.ApplicationModel.Activation.SplashScreen splashScreen = null;

			splashScreen = args.SplashScreen;
			appArgs += "File=";
			bool firstFileAdded = false;
			foreach (var file in args.Files)
			{
				if (firstFileAdded) appArgs += ";";
				appArgs += file.Path;
				firstFileAdded = true;
			}

			InitializeUnity(appArgs, splashScreen);
		}

		/// <summary>
		/// Invoked when the application is launched normally by the end user.  Other entry points
		/// will be used when the application is launched to open a specific file, to display
		/// search results, and so forth.
		/// </summary>
		/// <param name="args">Details about the launch request and process.</param>
		protected override void OnLaunched(LaunchActivatedEventArgs args)
		{
			InitializeUnity(args.Arguments, args.SplashScreen);
		}
5

Aurimas Cernius,

god bless you. you are my savior.