Bug: If cover element fails to load, application doesn't exit when closed

asked 2014-01-18 02:24:10 +0200

MartinK
18500 ●154 ●178 ●174

When you assign an element to the cover property and its creation fails, the application does not exit when its window is closed.

This can be reproduced with the following minimal example:

import QtQuick 2.0
import Sailfish.Silica 1.0

ApplicationWindow {
    cover : Qt.resolvedUrl("Foo.qml")
    initialPage: Page {
        Button {
            text: "Hello world!"
            anchors.centerIn: parent
        }
    }
}

NOTE: The must be no "Foo.qml in the same folder as this QML file.

You can either place it to /usr/share and run it with sailfish-qml or running it directly with qmlscene from somewhere else. Both exhibit the same behavior - even after the window is closed, the application is still running and needs to be killed, for example with ctrl+c, to get back to the shell.

This could be quite a serious issue - I've managed to get several invisible qmlscenes running in the background, consuming a considerable amount of resources.

A sidenote: Setting the cover to a non-existing component also makes the cover transparent. The same effect can be achieved by setting the cover to null:

cover : null

This also makes the cover transparent but is not affected by the shutdown bug.