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OverviewFelgo 3 Support (Qt 5) › Losding the next page using Navigation

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  • #19832

    Gabor Toth


    Based on the examples I wrote the following code:

    import QtQuick 2.4
    import QtQuick.Window 2.2
    import QtQuick.Controls 2.0 as Quick2
    import QtQuick.Layouts 1.3
    import Felgo 3.0
    App {
        Navigation {
            id: navigation
            NavigationItem {
                id: homescreen
                title: "Home"
                icon: IconType.home
                NavigationStack {
                    initialPage: page_1
                    Component {
                        id: uirstpage
                    Page {
                        title: "Main Page"
            NavigationItem {
                title: "First Page"
                NavigationStack {
                    Page {
                        id: firstpage
                        title: "1st Page"
                        StackLayout {
                            id: stacklayout
                            width: parent.width
                            height: parent.height
                            anchors.bottom: parent.bottom
                            clip: true
                            page_1 {}

    The code only changes the page title,  but not loading the actual page.The Showcase demo loads the next page using

    AppComponentsPage { }
    ExamplePage { }

    where AppComponentsPage and ExamplePage are the actual file names. . When I use page_1 {} in my code nothing happens besides getting an error message “Cannot assign to nonexistent property ‘page_1′”. Please tell me what I am doing incorrectly.

    Thank you.


    Felgo Team


    the showcase app is rather advanced, you can find more basic examples for use-cases in our documentation. E.g. for your navigation you can look at: https://felgo.com/doc/apps-howto-use-app-navigation/#use-a-drawer-or-tabs-to-navigate

    There are several issues in your code:

    • You are missing a closing } in your first NavigationItem block. If you select your code (or select all with CTRL+A) you can automatically fix indentation with CTRL+I (that’s an i). This helps you spot such mistakes.
    • QML files need to start with a capital letter, if you want to use them as an item. E.g. Page_1.qml and then use it as Page_1 in your code. Qt tries to access page_1 as if it was a property of the StackLayout, because it starts with a small letter.
    • Your first NavigationStack looks very broken, with setting initialPage to an invalid id (or should this be an item, which would miss the parenthesis). Then creating a Page as Component which is not used. Please follow some basic examples from the documentation, like I posted above, this will make your life much easier!



    Gabor Toth

    Thank you for your advice. I started to use the Tabbed Application Template and that solved my problem.

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