In your example, the Page is declared as an instance. When you close the
application, the elements will be destroyed silently, without having
their attached Component.onDestruction called.
When you use a Page declared in the way you reported in a PageStack or
AdaptivePageLayout, the Page will not be destroyed by these components
as it has not been created by the PageStack/AdaptivePagelayout. So you
won't get the onDestruction triggered either. In order to have that
coming, you need to declare your page as component and add that to the
PageStack/AdaptivePageLayout, or in a separate QML document and use
that.
** Changed in: ubuntu-ui-toolkit (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1477363
Title:
onDestruction is never called in the QML component
Status in ubuntu-ui-toolkit package in Ubuntu:
Invalid
Bug description:
I have created a very simple application, and I want to capture the
onDestruction event. However, it is never called on a phone, but it is
called on the desktop. On the page,
http://developer.ubuntu.com/api/apps/qml/sdk-15.04/Qt.labs.settings.Settings/,
it is used to save the state of the application.
Page {
title: i18n.tr("ondestruction")
Column {
spacing: units.gu(1)
anchors {
margins: units.gu(2)
fill: parent
}
Label {
id: label
objectName: "label"
text: i18n.tr("Hello..")
}
Button {
objectName: "button"
width: parent.width
text: i18n.tr("Tap me!")
onClicked: {
label.text = i18n.tr("..world!")
}
}
}
Component.onDestruction: {
console.log("ondestruction")
}
}
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