qt-creator/doc/examples/transitions/main.qml

import QtQuick 2.1
import QtQuick.Window 2.1

Window {
    id: page
    visible: true
    width: 360
    height: 360
    color: "#343434"

    Image {
        id: icon
        x: 10
        y: 20
        source: "states.png"
    }

    Rectangle {
        id: topLeftRect
        width: 64
        height: 64
        color: "#00000000"
        radius: 6
        opacity: 1
        anchors.left: parent.left
        anchors.leftMargin: 10
        anchors.top: parent.top
        anchors.topMargin: 20
        border.color: "#808080"

        MouseArea {
            id: mouseArea1
            anchors.fill: parent
            onClicked: stateGroup.state = ' '
        }
    }

    Rectangle {
        id: middleRightRect
        width: 64
        height: 64
        color: "#00000000"
        radius: 6
        anchors.right: parent.right
        anchors.rightMargin: 10
        anchors.verticalCenter: parent.verticalCenter
        border.color: "#808080"

        MouseArea {
            id: mouseArea2
            anchors.fill: parent
            onClicked: stateGroup.state = 'State1'
        }
    }

    Rectangle {
        id: bottomLeftRect
        width: 64
        height: 64
        color: "#00000000"
        radius: 6
        border.width: 1
        anchors.leftMargin: 10
        anchors.bottom: parent.bottom
        anchors.bottomMargin: 20
        anchors.left: parent.left
        border.color: "#808080"

        MouseArea {
            id: mouseArea3
            anchors.fill: parent
            onClicked: stateGroup.state = 'State2'
        }
    }

    StateGroup {
        id: stateGroup
        states: [
            State {
                name: "State1"

                PropertyChanges {
                    target: icon
                    x: middleRightRect.x
                    y: middleRightRect.y
                }
            },
            State {
                name: "State2"

                PropertyChanges {
                    target: icon
                    x: bottomLeftRect.x
                    y: bottomLeftRect.y
                }
            }
        ]
        transitions: [
                Transition {
                        from: "*"; to: "State1"
                        NumberAnimation {
                            easing.type: Easing.OutBounce
                            properties: "x,y";
                            duration: 1000
                        }
                    },
                Transition {
                        from: "*"; to: "State2"
                        NumberAnimation {
                            properties: "x,y";
                            easing.type: Easing.InOutQuad;
                            duration: 2000
                        }
                    },
                Transition {
                         NumberAnimation {
                             properties: "x,y";
                             duration: 200
                         }
                     }
                ]
        }
}