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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++ //! [main_qml]
++ import QtQuick
++ import QtQuick.Controls
++ //![import]
++ import io.qt.examples.backend 1.0
++ //![import]
++
++ ApplicationWindow {
++ id: root
++ width: 300
++ height: 480
++ visible: true
++
++ //![backend]
++ BackEnd {
++ id: backend
++ }
++ //![backend]
++
++ //![username_input]
++ TextField {
++ text: backend.userName
++ placeholderText: qsTr("User name")
++ anchors.centerIn: parent
++
++ onEditingFinished: backend.userName = text
++ }
++ //![username_input]
++ }
++ //! [main_qml]