Qt Quick Controls - 可穿戴设备演示

QQC2.ApplicationWindow {
    id: window
    ...
    QQC2.StackView {
        id: stackView
        ...
        initialItem: LauncherPage {
            onLaunched: (title, page, fallback) => {
                            var createdPage = Qt.createComponent(page)
                            if (createdPage.status !== Component.Ready)
                                createdPage = Qt.createComponent(fallback)
                            stackView.push(createdPage)
                            header.title = title
                        }
        }
        ...
    }

    DemoMode {
        stackView: stackView
    }

    DemoModeIndicator {
        id: demoModeIndicator
        visible: WearableSettings.demoMode
        y: WearableSettings.demoMode ? header.height + 3 : -height - header.height - 3
        anchors.horizontalCenter: parent.horizontalCenter
        z: header.z + 1
    }

    MouseArea {
        enabled: WearableSettings.demoMode
        anchors.fill: parent
        onClicked: {
            // Stop demo mode and return to the launcher page.
            WearableSettings.demoMode = false
            stackView.pop(null)
        }
    }
}

QQuickStyle::setStyle(QStringLiteral("WearableStyle"));

PathView {
    id: circularView

    signal launched(string title, string page, string fallbackpage)
    ...
    model: ListModel {
        ListElement {
            title: qsTr("Navigation")
            pageIcon: "maps"
            page: "NavigationPage.qml"
            fallback: "NavigationFallbackPage.qml"
        }
        ...
        ListElement {
            title: qsTr("Settings")
            pageIcon: "settings"
            page: "SettingsPage.qml"
            fallback: ""
        }
    }
    delegate: QQC2.RoundButton {
        ...
        icon.width: 36
        icon.height: 36
        icon.source: UIStyle.iconPath(pageIcon)
        icon.color: UIStyle.textColor
        ...
        onClicked: {
            if (PathView.isCurrentItem)
                circularView.launched(title, Qt.resolvedUrl(page), Qt.resolvedUrl(fallback))
            else
                circularView.currentIndex = index
        }
    }
    ...
}