Qt 5.4 / Blackberry Playbook 2.1: Screen rotation does not work

When rotating the screen with a loaded QtQuick 2 window then screen rotation does not work, e.g. switching between landscape and portrait mode makes the screen disappear.

A similar bug has been reported here: https://bugreports.qt.io/browse/QTBUG-31329

import QtQuick 2.4
import QtQuick.Window 2.2

import QtQuick.Controls 1.2

ApplicationWindow {
visible: true

Rectangle

Unknown macro: { anchors.fill}

}

int main(int argc, char *argv[])

Unknown macro: { QGuiApplication app(argc, argv); QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc}