Making Page tutorial attachedObjects problem

Try to do the tutorial welcome.
Already wrote this code:

import bb.cascades 1.2

Page {
    Container {
        id:rootContainer
    }
    titleBar: TitleBar {
        title: "Welcome tour"
    }
    actions: [
        ActionItem {
            title: "Next Tip"
            ActionBar.placement: ActionBarPlacement.OnBar
            onTriggered: {
                loadNextPage()
            }
        }
    ]
    attachedObjects: [
        ComponentDefinition {
            id:compDef
            source: "Welcome1.qml"
        },
        ComponentDefinition {
            id:compDef1
            source: "Welcome2.qml"
        },
        ComponentDefinition {
            id:compDef2
            source: "Welcome3.qml"
        },
        ComponentDefinition {
            id:compDef3
            source: "Welcome4.qml"
        },
        ComponentDefinition {
            id:compDef4
            source: "Welcome5.qml"
        }
    ]

    function loadNextPage(){
        var componentDef = attachedObjects.shift()
        var createrdControl = componentDef.id.createObject();
        rootContainer.add(createrdControl);
    }
}

Failed with
Asset: / / / about. QML:44: TypeError: result of expression 'attachedObjects.shift' [undefined] is not a function.

can't understand why.
Any suggestions?

Ok. I tried another code.

Documentation of BB code

import bb.cascades 1.2

NavigationPane {
    id: navigationPane

    // The first page, which appears at startup
    Page {
        id: page1
        ControlDelegate {
            id: controlDelegate1
            source: "Welcome1.qml"
            delegateActive: true
        }
        // Once the first page is created, the second
        // and third pages are loaded asynchronously so that the
        // content is ready to be loaded right away.
        onCreationCompleted: {
            controlDelegate2.delegateActive = true
            controlDelegate3.delegateActive = true
        }

        actions: [
            // Action that pushes page 2 onto the stack
            ActionItem {
                ActionBar.placement: ActionBarPlacement.OnBar
                title: "Next Tip"
                onTriggered: {
                    navigationPane.push(page2);
                }
            }
        ]
        // A Back button that pops the pane off the stack
        paneProperties: NavigationPaneProperties {
            backButton: ActionItem {
                title: "Back"
                onTriggered: {
                    navigationPane.pop();
                }
            }
        }
    }
    attachedObjects: [
        // The second page
        Page {
            id: page2
            ControlDelegate {
                id: controlDelegate2
                source: "Welcome2.qml"
            }
            actions: [
                // Action that pushes page 3 onto the stack
                ActionItem {
                    ActionBar.placement: ActionBarPlacement.OnBar
                    title: "Page 3"
                    onTriggered: {
                        navigationPane.push(page3);
                    }
                }
            ]
            // A Back button that pops the pane off the stack
            paneProperties: NavigationPaneProperties {
                backButton: ActionItem {
                    title: "Back"
                    onTriggered: {
                        navigationPane.pop();
                    }
                }
            }
        },
        // The third page
        Page {
            id: page3
            ControlDelegate {
                id: controlDelegate3
                source: "Welcome3.qml"
            }
            // A Back button that pops the pane off the stack
            paneProperties: NavigationPaneProperties {
                backButton: ActionItem {
                    title: "Back"
                    onTriggered: {
                        navigationPane.pop();
                    }
                }
            }
        }
    ]
}

User interface of this code is just that I need, but when this code is executed.
On pages 2 and 3 conent is empty.

Even if I change the source of page 2 and 3 for smthing super easy as: a single button {}

Tags: BlackBerry Developers

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