App crashing when launching from SecondaryTile #9

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1. 1100101 commented on Jan 6, 2016

   

   Frank Aurich (1100101)

   on Jan 6, 2016

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   The crash generally happens if the app is running, and you try to run it again/switch to it. It doesn't matter if the app is pinned or not.
2. EdiWang commented on Jan 15, 2016

   

   Edi Wang (EdiWang)

   on Jan 15, 2016

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   Frank Aurich (@1100101)

   I met the same problem. It happens only to my Lumia 640, my Lumia 950XL is good. It seems to be the

   public static IStepsEngine Engine { get; private set; }

   in app.xaml.cs, comment out

   Engine = await StepsEngineFactory.GetDefaultAsync();

   add try..catch to necessary places, the steps won't work, but the crashing on secondary launch is gone, the app won't crash when being switched to or being launched by secondary tile..

   I thought it is the problem with static keyword. So I tried to create a Singleton class to initiate the Engine, but the same crashing occurs.

   I am still investigating the issue. As far as I can find, commenting out

   stepsEngine = new LumiaStepsEngine();

   in StepsEngineFactory will also fix the crashing, but step counter certainly won't work. It's difficult to debug because in debug mode everything is fine. Even the "UnhandledException" in app.xaml.cs won't fire.
3. EdiWang commented on Jan 15, 2016

   

   Edi Wang (EdiWang)

   on Jan 15, 2016

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   Update: seems to be the problem with "today", if choosing the day to yesterday and then switch to another app or start screen, then switch back to Steps, it won't crash. But when you choose to today, the app will crash again.

   Still investigating...