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UI hangs when UI thread is free, and Composition Thread is busy

    Question

  • Hi all,

    I have created a application, which is all about media(Photos). Where I get 1000s of photos. I am doing some database operations inside Task.Run and downloading images, and assigning stream on UI thread.

    When I did profililing app, I found that my app is not responding when UI Thread is free, and Composition Thread is busy.

    Please check below profililing screenshot:

    Please advice me what to do?

    Thanks


    Pallam Madhukar Windows Phone Developer

    Friday, November 07, 2014 6:30 AM

All replies

  • Hi Pallam,

    Please check if you forgot to add await key word to some async method in Task.Run method. This will cause the thread hangs.

    I cannot say any other reason if you don’t post some code. If you still have questions about this issue, please upload code snippet or repro project to help reproduce.

    Regards,


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    Monday, November 10, 2014 1:52 AM
    Moderator
  • Is something in Composition thread invoke to UI thread ? 

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    Monday, November 10, 2014 3:38 AM