Thanks for the insight. I've solved as you suggested: Dialog {
property alias text: labelWorking.text contentItem: Rectangle { radius: 3 * Params.scaleFactor width: layout.implicitWidth * 1.2 height: busy.implicitHeight * 1.2 RowLayout { id: layout anchors.centerIn: parent BusyIndicator { id:busy opacity: 0.85 Layout.alignment: Qt.AlignLeft } Text { id: labelWorking horizontalAlignment: Text.AlignHCenter verticalAlignment: Text.AlignVCenter Layout.alignment: Qt.AlignRight color: "#454343" styleColor: "#777777" style: Text.Sunken } } Keys.onPressed: { // devours back button events! if (event.key == Qt.Key_Back) event.accepted = true } } } Now the busy indicator correctly blocks the GUI while the background tasks are executed. Thanks again! Cheers, --- Federico Buti On 3 June 2015 at 10:04, Rutledge Shawn <shawn.rutle...@theqtcompany.com> wrote: > On 3 Jun 2015, at 04:07, Federico Buti <bacaro...@gmail.com> wrote: > > > Hi list, > > > > in the attempt to look as native as possible, I've defined a QML busy > indicator for Android as follows: > > > > Dialog { > > property alias text: labelWorking.text > > standardButtons: StandardButton.NoButton > ... > > Keys.onPressed: { > > if (event.key == Qt.Key_Back) { > > console.log("Back button captured - wunderbar !") > > event.accepted = true > > } > > } > > } > > > > As you can see it is quite simple but works perfectly fine for my needs. > However, the dialog should be "fully modal" and It should be dismiss ONLY > when the related background task is terminated. As it is now, the dialog is > dismiss as soon as the Android back button is pressed, which is wrong for > my use case. How can I handle it? > > There is still a surrounding key handler in DefaultDialogWrapper.qml, > because we wouldn’t want it to be too easy to break the default behavior: > most dialogs should be dismissed when you hit the back button. So content > which is merely added to the Dialog’s default property does not get the > chance to break it. > > Instead you can override the Dialog’s contentItem, which is also another > way to get rid of the buttons. > >
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