I have created a Universal Windows Phone 8.1 App (.appxupload) and submitted to store. I want to debug an update on my device. When I choose "deploy to device" in Visual Studio 2013, it tells me, that it uninstalls the old app which I installed from marketplace. How can test the update-process? I found "Windows Phone Power Tools" on codeplex which only supports silverlight apps (.xap)
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votes
Are you aware that when you update an app from the WP Store, it uninstalls the previous version and then install the new ? Your emulator is doing exactly the same thing. The only thing that differentiate an installation from an update is that the latter keeps your local files and settings.
– Antoine C.
I have a problem, that after the update, the secondary livetile does no longer update (same as here: social.msdn.microsoft.com/Forums/sqlserver/en-US/…) So uninstall and new install behaves differently as update. And I wanted to debug it.
– Bodo Schäfer
I think quite cloes should be a situation when you install on your phone the old version (debug from VS), then install the new updated version - it will reinstall the app, but preserve local files (similar to update). The best test would be to publish a beta app and test behavior on it.
– Romasz
1 Answers
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You can NOT debug store apps without special equipment at all (but Microsoft/OEM engineers are able to do this). What you can do: - implement debug output with MessageBox-es instead Debug.WriteLine - publish beta app - try it on your handset
You can't trace your code, make breakpoints and watch variables. The only tool in your case is a MessageBox (or you may construct other output, like multiline TextBlock just for debug purposes).
