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Qt Quick Ultralite摩托车仪表盘演示

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import QtQuick 2.0 ItemWithAcivationAnimations { id: root property bool isDayMode: false width: img.width height: img.height Image { id: img source: "qrc:///images/mainScreen/road.png" } property real opacityReal: 1 onIsDayModeChanged: { if (active) { changeDayModeAnimation.start() } } SequentialAnimation { id: changeDayModeAnimation PauseAnimation { duration: 600 } NumberAnimation { target: img property: "opacity" to: 0 duration: 500 easing.type: Easing.OutCubic } ScriptAction { script: img.source = isDayMode ? "qrc:///images/mainScreen/road-day.png" : "qrc:///images/mainScreen/road.png" } NumberAnimation { target: img property: "opacity" to: 1 duration: 500 easing.type: Easing.OutCubic } } }