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I have tried the following links

How do I launch other app from my own app in Windows Phone 8.1?

Call an external app on windows phone 8.1 runtime(not silverlight) xaml c# application

but nothing is working for me as i simply wants to launch one app for e.g. angry birds from my app using a button click.

Please Help

Community
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Shanky
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2 Answers2

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If the app has a registered URI, then you should be able to use Launcher.LaunchUriAsync for this. You can also find some help, here at MSDN - How to launch the default app for a URI.

Otherwise I don't think it's possible.

Romasz
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  • I have downloaded and installed this(twin jellies) app in my phone http://www.windowsphone.com/en-in/store/app/twin-jellies/391f8a75-d469-4d0a-957c-11ba66675238 so now how to launch directly from my app without opening windows store.. – Shanky Jun 09 '15 at 11:26
  • @Shanky Check if developer has registered URI for the application. – Romasz Jun 09 '15 at 11:32
  • the URI of twin jellies is this (391f8a75-d469-4d0a-957c-11ba66675238) how to check if the developer has registered ? – Shanky Jun 09 '15 at 11:50
  • @Shanky That's not the URI. You can take a look how registered URIs look likte [for example here](http://stackoverflow.com/a/18616403/2681948). Most of the apps doesn't have registered URI and I doubt that dev has registered for this app. You may always contact with the developer and ask him. – Romasz Jun 09 '15 at 12:23
  • :Thanksss for your kind help :) :-) – Shanky Jun 09 '15 at 13:02
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It works for me.

  1. setup your app which launch from other.

    add this in WMAppManifest.xaml between < /token> and < ScreenResolutions>

    <Extensions>
   <Protocol Name="alsdkcs" NavUriFragment="encodedLaunchUri=%s" TaskID="_default" />
</Extensions>

    add a class "AssociationUriMapper " and override the function "MapUri()" 

    class AssociationUriMapper : UriMapperBase{
   private string tempUri;

   public override Uri MapUri(Uri uri){
      tempUri = System.Net.HttpUtility.UrlDecode(uri.ToString());
      if (tempUri.Contains("alsdkcs:MainPage?id=")){
         int idIndex = tempUri.IndexOf("id=") + 3; //3 is the length of "id="           
         string id = tempUri.Substring(idIndex);

         return new Uri("/MainPage.xaml?id=" + id, UriKind.Relative);
     }
     return uri;
  }
}

    and call them from other app.xaml.cs at this section of InitializePhoneApplication() function 

    RootFrame.UriMapper = new AssociationUriMapper(); // add this line only between RootFrame.Navigated += CompleteInitializePhoneApplication; and RootFrame.NavigationFailed += RootFrame_NavigationFailed;

  2. finally call fron other app to launch an app 

    var success = await Windows.System.Launcher.LaunchUriAsync(new System.Uri("alsdkcs:MainPage?id="+5)); 
if (success){
   // URI launched
}
else{
  // URI launch failed
}

    where "alsdkcs" is protocol name.

more details see msdn

reza.cse08
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