VoiceOver does not recognise MouseArea on iOS

import QtQuick 2.0
import QtQuick.Controls 2.12
import "content"

Rectangle {
    id: scene
    width: 800; height: 600

    Rectangle {
        id: behavior
        x : 50
        y : 100
        width: 100; height: 100
        color: "red"

        Text {
            text : "Behavior"
        }

        Behavior on x {
            NumberAnimation { duration: 1000 }
        }

        MouseArea {
            Accessible.onPressAction: pressed()
            anchors.fill: parent
            onClicked: behavior.x += 50
        }
    }

    Rectangle {
        id: transition
        x : 400
        y : 100
        width: 100; height: 100
        color: "red"

        MouseArea {
            id: mouseArea
            anchors.fill: parent
        }

        Text {
            text : "Transition"
        }

        states: State {
            name: "moved"; when: mouseArea.pressed
            PropertyChanges { target: transition; x: 500; y: 200 }
        }

        transitions: Transition {
            NumberAnimation { properties: "x,y"; easing.type: Easing.InOutQuad; duration: 1000 }
        }
    }

    Rectangle {
        id : animatee
        width: 100; height: 100
        x : 50
        y : 300
        color: "blue"
        opacity: 0.5
        Text {
            anchors.centerIn: parent
            text : "NumberAnimation"
        }

        MouseArea {
            anchors.fill: parent
            onClicked: {
                animatePosition.start()
            }
        }

        NumberAnimation {
            id: animatePosition
            target: animatee
            properties: "x"
            from: animatee.x
            to: animatee.x + 50
            loops: 1
            easing {type: Easing.Linear;}
        }
    }

    ListView {
        id : content
        x : 400
        y : 300
        width: 300
        height: 200

        model : 200
        delegate : Text { text : "Flickable" + index; height : 50 }
    }
}