Android applications in FullScreen extend past screen

import QtQuick 2.15
import QtQuick.Window 2.15
Window {
    width: 640
    height: 480
    visible: true    
    title: qsTr("Hello World")
    visibility: "FullScreen"  
    Rectangle {            
        anchors.fill: parent
        color: "yellow" 
        Text {
            anchors.bottom: parent.bottom 
            color: "black"
            font.pixelSize: 55
            text: "TEST TEXT"        
        }
    }
}