GridView {
        anchors.fill: parent
        cellWidth: 100; cellHeight: 100
        focus: true
        model: appModel

        highlight: Rectangle { width: 80; height: 80; color: "lightsteelblue" }

        delegate: Item {
            width: 100; height: 100

            Image {
                id: myIcon
                y: 20; anchors.horizontalCenter: parent.horizontalCenter
                source: icon
            }
            Text {
                anchors { top: myIcon.bottom; horizontalCenter: parent.horizontalCenter }
                text: name
            }
            MouseArea {
                anchors.fill: parent
                onClicked: parent.GridView.view.currentIndex = index
            }
        }
    }

        Item {
            ListView.onAdd: SequentialAnimation {
                PropertyAction { target: delegateItem; property: "height"; value: 0 }
                NumberAnimation { target: delegateItem; property: "height"; to: 80; duration: 250; easing.type: Easing.InOutQuad }
            }

            ListView.onRemove: SequentialAnimation {
                PropertyAction { target: delegateItem; property: "ListView.delayRemove"; value: true }
                NumberAnimation { target: delegateItem; property: "height"; to: 0; duration: 250; easing.type: Easing.InOutQuad }

                // Make sure delayRemove is set back to false so that the item can be destroyed
                PropertyAction { target: delegateItem; property: "ListView.delayRemove"; value: false }
            }
        }

        Item {
            id: recipe

            // Create a property to contain the visibility of the details.
            // We can bind multiple element's opacity to this one property,
            // rather than having a "PropertyChanges" line for each element we
            // want to fade.
            property real detailsOpacity : 0
            MouseArea {
                anchors.fill: parent
                onClicked: recipe.state = 'Details';
            }

            // Lay out the page: picture, title and ingredients at the top, and method at the
            // bottom.  Note that elements that should not be visible in the list
            // mode have their opacity set to recipe.detailsOpacity.

            Row {
                id: topLayout
                x: 10; y: 10; height: recipeImage.height; width: parent.width
                spacing: 10

                Image {
                    id: recipeImage
                    width: 50; height: 50
                    source: picture
                }
            Item {
                id: details
                x: 10; width: parent.width - 20

                anchors { top: topLayout.bottom; topMargin: 10; bottom: parent.bottom; bottomMargin: 10 }
                opacity: recipe.detailsOpacity
            }

            // A button to close the detailed view, i.e. set the state back to default ('').
            TextButton {
                y: 10
                anchors { right: background.right; rightMargin: 10 }
                opacity: recipe.detailsOpacity
                text: "Close"

                onClicked: recipe.state = '';
            }

            states: State {
                name: "Details"

                PropertyChanges { target: background; color: "white" }
                PropertyChanges { target: recipeImage; width: 130; height: 130 } // Make picture bigger
                PropertyChanges { target: recipe; detailsOpacity: 1; x: 0 } // Make details visible
                PropertyChanges { target: recipe; height: listView.height } // Fill the entire list area with the detailed view

                // Move the list so that this item is at the top.
                PropertyChanges { target: recipe.ListView.view; explicit: true; contentY: recipe.y }

                // Disallow flicking while we're in detailed view
                PropertyChanges { target: recipe.ListView.view; interactive: false }
            }

            transitions: Transition {
                // Make the state changes smooth
                ParallelAnimation {
                    ColorAnimation { property: "color"; duration: 500 }
                    NumberAnimation { duration: 300; properties: "detailsOpacity,x,contentY,height,width" }
                }
            }
        }

    // Define a highlight with customized movement between items.
    Component {
        id: highlightBar
        Rectangle {
            width: 200; height: 50
            color: "#FFFF88"
            y: listView.currentItem.y;
            Behavior on y { SpringAnimation { spring: 2; damping: 0.1 } }
        }
    }

    ListView {
        id: listView
        width: 200; height: parent.height
        x: 30

        model: PetsModel {}
        delegate: petDelegate
        focus: true

        // Set the highlight delegate. Note we must also set highlightFollowsCurrentItem
        // to false so the highlight delegate can control how the highlight is moved.
        highlight: highlightBar
        highlightFollowsCurrentItem: false
    }

Rectangle {
    id: root
    property int current: 0
    property bool increasing: true
    // Example index automation for convenience, disabled on click or tap
    SequentialAnimation {
        id: anim
        loops: -1
        running: true
        ScriptAction {
            script: if (increasing) {
                        current++;
                        if (current >= aModel.count -1) {
                            current = aModel.count - 1;
                            increasing = !increasing;
                        }
                    } else {
                        current--;
                        if (current <= 0) {
                            current = 0;
                            increasing = !increasing;
                        }
                    }
        }

        PauseAnimation { duration: 500 }
    }
    ListView {
        id: list1
        height: 50; width: parent.width
        model: PetsModel {id: aModel}
        delegate: petDelegate
        orientation: ListView.Horizontal

        highlight: Rectangle { color: "lightsteelblue" }
        currentIndex: root.current
        onCurrentIndexChanged: root.current = currentIndex
        focus: true
    }

    ListView {
        id: list2
        y: 160
        height: 50; width: parent.width
        model: PetsModel {}
        delegate: petDelegate
        orientation: ListView.Horizontal

        highlight: Rectangle { color: "yellow" }
        currentIndex: root.current
        preferredHighlightBegin: 80; preferredHighlightEnd: 220
        highlightRangeMode: ListView.ApplyRange
    }

    ListView {
        id: list3
        y: 320
        height: 50; width: parent.width
        model: PetsModel {}
        delegate: petDelegate
        orientation: ListView.Horizontal

        highlight: Rectangle { color: "yellow" }
        currentIndex: root.current
        onCurrentIndexChanged: root.current = currentIndex
        preferredHighlightBegin: 125; preferredHighlightEnd: 125
        highlightRangeMode: ListView.StrictlyEnforceRange
    }
}

    // The delegate for each section header
    Component {
        id: sectionHeading
        Rectangle {
            width: container.width
            height: childrenRect.height
            color: "lightsteelblue"

            Text {
                text: section
                font.bold: true
                font.pixelSize: 20
            }
        }
    }

    ListView {
        id: view
        anchors.top: parent.top
        anchors.bottom: buttonBar.top
        width: parent.width
        model: animalsModel
        delegate: Text { text: name; font.pixelSize: 18 }

        section.property: "size"
        section.criteria: ViewSection.FullString
        section.delegate: sectionHeading
    }

Package {
    Text { id: listDelegate; width: parent.width; height: 25; text: 'Empty'; Package.name: 'list' }
    Text { id: gridDelegate; width: parent.width / 2; height: 50; text: 'Empty'; Package.name: 'grid' }

    Rectangle {
        id: wrapper
        width: parent.width; height: 25
        color: 'lightsteelblue'

        Text { text: display; anchors.centerIn: parent }
        state: root.upTo > index ? 'inGrid' : 'inList'
        states: [
            State {
                name: 'inList'
                ParentChange { target: wrapper; parent: listDelegate }
            },
            State {
                name: 'inGrid'
                ParentChange {
                    target: wrapper; parent: gridDelegate
                    x: 0; y: 0; width: gridDelegate.width; height: gridDelegate.height
                }
            }
        ]

        transitions: [
            Transition {
                ParentAnimation {
                    NumberAnimation { properties: 'x,y,width,height'; duration: 300 }
                }
            }
        ]
    }
}

DelegateModel {
    id: visualModel
    delegate: Delegate {}
    model: myModel
}

ListView {
    id: lv
    height: parent.height/2
    width: parent.width

    model: visualModel.parts.list
}
GridView {
    y: parent.height/2
    height: parent.height/2
    width: parent.width
    cellWidth: width / 2
    cellHeight: 50
    model: visualModel.parts.grid
}

    ObjectModel {
        id: itemModel

        Rectangle {
            width: view.width; height: view.height
            color: "#FFFEF0"
            Text { text: "Page 1"; font.bold: true; anchors.centerIn: parent }

            Component.onDestruction: if (printDestruction) print("destroyed 1")
        }
        Rectangle {
            width: view.width; height: view.height
            color: "#F0FFF7"
            Text { text: "Page 2"; font.bold: true; anchors.centerIn: parent }

            Component.onDestruction: if (printDestruction) print("destroyed 2")
        }
        Rectangle {
            width: view.width; height: view.height
            color: "#F4F0FF"
            Text { text: "Page 3"; font.bold: true; anchors.centerIn: parent }

            Component.onDestruction: if (printDestruction) print("destroyed 3")
        }
    }

    ListView {
        id: view
        anchors { fill: parent; bottomMargin: 30 }
        model: itemModel
        preferredHighlightBegin: 0; preferredHighlightEnd: 0
        highlightRangeMode: ListView.StrictlyEnforceRange
        orientation: ListView.Horizontal
        snapMode: ListView.SnapOneItem; flickDeceleration: 2000
        cacheBuffer: 200
    }