Blank rectangle instead of MessageDialog on Android while switching visibility

import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Dialogs 1.2

ApplicationWindow {
	visible: true
	width: 640
	height: 480
	title: qsTr("Hello World")

	Timer {
		id:timer
		interval: 10; running: false; repeat: false
		onTriggered: {
			messageDialog.visible = true
		}
	}

	MessageDialog{
		id:messageDialog
		text : "click me"

		Component.onCompleted:{
			visible = true
		}

		onAccepted: {
			timer.running = true
		}
	}
}