def main(): os.chdir(sys.path[0]) app = QApplication(sys.argv) canvas = QDeclarativeView() canvas.setFixedSize(360, 500) canvas.setWindowTitle('Ubezee - Lock Your System') icon = QIcon() icon.addPixmap(QPixmap('qml/images/UbezeeIcon.png'), QIcon.Normal, QIcon.Off) canvas.setWindowIcon(QIcon(icon)) qr = canvas.frameGeometry() cp = QDesktopWidget().availableGeometry().center() qr.moveCenter(cp) canvas.move(qr.topLeft()) engine = canvas.engine() element = MyElement() engine.rootContext().setContextObject(element) canvas.setSource(QUrl.fromLocalFile('qml/Ubezee.qml')) engine.quit.connect(app.quit) canvas.setResizeMode(QDeclarativeView.SizeRootObjectToView) canvas.show() sys.exit(app.exec_())