diff options
author | Assam Boudjelthia <assam.boudjelthia@qt.io> | 2020-05-07 12:49:24 +0300 |
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committer | Qt Cherry-pick Bot <cherrypick_bot@qt-project.org> | 2020-05-25 16:20:27 +0000 |
commit | 73684040207ce0cbb782dda5dc27cb8ac71243b3 (patch) | |
tree | 26c5d5af88b75454156d5cb761bdf31e4350dafd /examples/androidextras/musiclist/musiclist.cpp | |
parent | 174da8f65245ae4f9333dc169d60fbdf3003f1ea (diff) |
Add example to demonstrate working with custom Java objects/ArrayList
An example that retrieves music data from Java APIs, and store that in
a Java ArrayList of objects. Then, how to pass that data to Qt via C++
and QML.
Task-number: QTBUG-83038
Change-Id: I5201572b997973388c688ca0d3f2f30240da12f6
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
(cherry picked from commit 8ebbdcc7c4a0c2c6f863060500136b9399eccf98)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
Diffstat (limited to 'examples/androidextras/musiclist/musiclist.cpp')
-rw-r--r-- | examples/androidextras/musiclist/musiclist.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/examples/androidextras/musiclist/musiclist.cpp b/examples/androidextras/musiclist/musiclist.cpp new file mode 100644 index 0000000..97d5cdb --- /dev/null +++ b/examples/androidextras/musiclist/musiclist.cpp @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtAndroidExtras module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "musiclist.h" + +#include <QAndroidIntent> +#include <QAndroidJniEnvironment> + +MusicList::MusicList(QObject *parent) : QObject(parent) +{ + QAndroidJniObject musicList = QAndroidJniObject::callStaticObjectMethod( + "org/qtproject/example/musiclist/MusicList", + "fetchMusicList", + "(Landroid/content/Context;)Ljava/util/ArrayList;", + QtAndroid::androidContext().object()); + + for (int i = 0; i < musicList.callMethod<jint>("size"); ++i) { + QAndroidJniObject track = musicList.callObjectMethod("get", "(I)Ljava/lang/Object;", i); + const QString title = track.callObjectMethod("getTitle", "()Ljava/lang/String;").toString(); + const QString artist = track.callObjectMethod("getArtist", "()Ljava/lang/String;").toString(); + const long duration = track.callMethod<jlong>("getDuration"); + m_assembledMusicList.append(new MusicTrack(title, artist, duration, this)); + } +} + +QList<MusicTrack *> MusicList::assembledMusicList() const +{ + return m_assembledMusicList; +} |