import QtQuick 2.6 import QtQuick.Window 2.2 Window { visible: true width: 1080 height: 1920 title: qsTr("AGL sample qml app") MainForm { anchors.fill: parent mouseArea.onClicked: { Qt.quit(); } } onVisibleChanged: { if(visible == true) { console.log("2:visible true") console.log("maybe it is okay") } else{ console.log("visible2 false") } } }