iPad crash when using flickresize.qml example



  • 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



  • 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?


  • Lifetime Qt Champion

    Hi,

    What version of Qt are you using ?



  • Sorry for the late reply. I am using 5.4


  • Lifetime Qt Champion

    Can you test again with Qt 5.5 ?


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