Qt Quick MultiEffect Example: ItemSwitcher

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import QtQuick 2.12 Item { id: rootItem property var sourceItems: [] property Item fromItem property Item toItem property var effect property int currentIndex: 0 property int previousIndex: 0 property real inAnimation: 0 readonly property real outAnimation: 1.0 - inAnimation // Duration of switch animation, in ms property int duration: 1500 property bool _initialized: false onCurrentIndexChanged: { fromItem = sourceItems[previousIndex]; toItem = sourceItems[currentIndex]; if (_initialized) switchAnimation.restart(); previousIndex = currentIndex; } // Initialize the items and currentIndex Timer { running: true interval: 0 onTriggered: { fromItem = sourceItems[previousIndex]; toItem = sourceItems[currentIndex]; previousIndex = currentIndex; _initialized = true; } } SequentialAnimation { id: switchAnimation alwaysRunToEnd: true NumberAnimation { target: rootItem property: "inAnimation" from: 0 to: 1 duration: rootItem.duration easing.type: Easing.InOutQuad } } }