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iPad crash when using flickresize.qml example

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  • D Offline
    D Offline
    drewpotter
    wrote on last edited by drewpotter
    #1

    Hi,

    I have found a bug (?) when running the following code:
    http://doc.qt.io/qt-5/qtquick-touchinteraction-pincharea-flickresize-qml.html

    Which is basically the PinchArea within a Flickable element.

    After zooming in and out a few times the Qt App crashes and disappears. The output from Qt Creator was:

    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    program received signal -111, thread:1ff39b;qaddr:34becad0;00:70245e15;01:2c608802;02:99ac5a00;03:2c608802;04:b931d900;05:50675415;06:3343b627;07:88e08002;08:c8a8b527;09:f0eb5515;0a:40df6015;0b:1026b527;0c:843c3c01;0d:fcdf8002;0e:97755100;0f:f0136100;10:30000020;metype:1;mecount:2;medata:2;medata:280dff4;
    hit maximum number of consecutive signals, stopping

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    • D Offline
      D Offline
      drewpotter
      wrote on last edited by drewpotter
      #2

      This bug happens when, if by mistake, a third finger or thumb rests across the screen, thus causing the App to close.

      An odd bug. Perhaps it is a bug within Qt itself rather than this code?

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #3

        Hi,

        What version of Qt are you using ?

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        • D Offline
          D Offline
          drewpotter
          wrote on last edited by
          #4

          Sorry for the late reply. I am using 5.4

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #5

            Can you test again with Qt 5.5 ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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