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OverviewFelgo 3 Support (Qt 5) › MultiResolutionImage and not supported resolution(240 x 320) issue

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  • #8585


    I follow this tutorial:

    Everything works apart from device with really low resolution (to test used LG E430 240×320, in Landscape mode width is 320px).
    When I debug on that device don’t see any balloons.
    In the end the issue is with MultiResolutionImage(Balloon.qml- btw works with device 320×480)

      MultiResolutionImage {
        id: sprite
        source: "../../assets/img/balloon.png"
        anchors.centerIn: parent


    If I switch to Image:

    Image {
        id: sprite
        source: "../../assets/img/balloon.png"
        anchors.centerIn: parent

    it works.
    I suppose it happens because such low resolution is not supported out of the box(3 versions are supported: sd, hd an hd2 and they start with higher res).

    For now I fixed that by adding in my main.cpp :
    if (QApplication::desktop()->screenGeometry().width() < 480) {
    doing this I force the fallback settings if resolution is too low.

    Maybe it would be a good idea to inform somewhere in the docs what to do with low resolution and MultiResolutionImage ?
    I am not seeing that edge case like this should be handled 100% but at least switch to default settings ? Use the sd (480×320) ?

    Linux 64, Qt 5.4, Felgo 2.0.


    Felgo Team

    Hi Marcin,

    thanks for reporting this issue! We’ve fixed it, and with the next update the default sd resolution will be used on ultra-low-res devices too.

    Cheers, Chris

    • This reply was modified 9 years, 4 months ago by  Christian.
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