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  4. what's the problem of scroll widget that it caused frame drop?
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what's the problem of scroll widget that it caused frame drop?

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  • A Offline
    A Offline
    arthurzhu
    wrote on last edited by
    #1

    The QML's ListView widget, when i slide screen slowly that the framerate will drop, otherwise quick slide and animation is fine of 60 fps.
    The browser app have the same problem, slow scrolling action will cause the frame drop.

    Thanks very much!

    hybris printLog() pid:10502 time:10:56:10 frame:11
    hybris printLog() pid:10502 framerate:25
    hybris printLog() pid:10502 time:10:56:11 frame:25
    hybris printLog() pid:10502 framerate:37
    hybris printLog() pid:10502 time:10:56:12 frame:37
    hybris printLog() pid:10502 framerate:44
    hybris printLog() pid:10502 time:10:56:13 frame:44
    hybris printLog() pid:10502 framerate:33
    hybris printLog() pid:10502 time:10:56:14 frame:33
    hybris printLog() pid:10502 framerate:34
    hybris printLog() pid:10502 time:10:56:15 frame:34
    hybris printLog() pid:10502 framerate:43
    hybris printLog() pid:10502 time:10:56:16 frame:43
    hybris printLog() pid:10502 framerate:35
    hybris printLog() pid:10502 time:10:56:17 frame:35
    hybris printLog() pid:10502 framerate:41
    hybris printLog() pid:10502 time:10:56:18 frame:41
    hybris printLog() pid:10502 framerate:41
    hybris printLog() pid:10502 time:10:56:19 frame:41
    hybris printLog() pid:10502 framerate:36
    hybris printLog() pid:10502 time:10:56:20 frame:36
    hybris printLog() pid:10502 framerate:62
    hybris printLog() pid:10502 time:10:56:21 frame:62
    hybris printLog() pid:10502 framerate:59
    hybris printLog() pid:10502 time:10:56:22 frame:59
    hybris printLog() pid:10502 framerate:59
    hybris printLog() pid:10502 time:10:56:23 frame:59

    J.HilkJ 1 Reply Last reply
    0
    • A arthurzhu

      The QML's ListView widget, when i slide screen slowly that the framerate will drop, otherwise quick slide and animation is fine of 60 fps.
      The browser app have the same problem, slow scrolling action will cause the frame drop.

      Thanks very much!

      hybris printLog() pid:10502 time:10:56:10 frame:11
      hybris printLog() pid:10502 framerate:25
      hybris printLog() pid:10502 time:10:56:11 frame:25
      hybris printLog() pid:10502 framerate:37
      hybris printLog() pid:10502 time:10:56:12 frame:37
      hybris printLog() pid:10502 framerate:44
      hybris printLog() pid:10502 time:10:56:13 frame:44
      hybris printLog() pid:10502 framerate:33
      hybris printLog() pid:10502 time:10:56:14 frame:33
      hybris printLog() pid:10502 framerate:34
      hybris printLog() pid:10502 time:10:56:15 frame:34
      hybris printLog() pid:10502 framerate:43
      hybris printLog() pid:10502 time:10:56:16 frame:43
      hybris printLog() pid:10502 framerate:35
      hybris printLog() pid:10502 time:10:56:17 frame:35
      hybris printLog() pid:10502 framerate:41
      hybris printLog() pid:10502 time:10:56:18 frame:41
      hybris printLog() pid:10502 framerate:41
      hybris printLog() pid:10502 time:10:56:19 frame:41
      hybris printLog() pid:10502 framerate:36
      hybris printLog() pid:10502 time:10:56:20 frame:36
      hybris printLog() pid:10502 framerate:62
      hybris printLog() pid:10502 time:10:56:21 frame:62
      hybris printLog() pid:10502 framerate:59
      hybris printLog() pid:10502 time:10:56:22 frame:59
      hybris printLog() pid:10502 framerate:59
      hybris printLog() pid:10502 time:10:56:23 frame:59

      J.HilkJ Offline
      J.HilkJ Offline
      J.Hilk
      Moderators
      wrote on last edited by
      #2

      @arthurzhu do not post the same question in multiple parts of the forum.

      Locked as duplicate of
      https://forum.qt.io/topic/129620/what-s-the-problem-of-scroll-widget-that-it-caused-frame-drop


      Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


      Q: What's that?
      A: It's blue light.
      Q: What does it do?
      A: It turns blue.

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