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+/****************************************************************************
+ **
+ ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+ ** Contact: http://www.qt-project.org/legal
+ **
+ ** This file is part of the documentation of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:BSD$
+ ** 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 Digia Plc and its Subsidiary(-ies) 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."
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+//! [Working with lists]
+QStringList getTrackTitles(const QJNIObject &album) {
+ QStringList stringList;
+ QJNIObject list = album.callObjectMethod<jobject>("getTitles",
+ "()Ljava/util/List;");
+
+ if (list.isValid()) {
+ const int size = list.callMethod<jint>("size");
+ for (int i = 0; i < size; ++i) {
+ QJNIObject title = list.callObjectMethod<jobject>("get", "(I)Ljava/lang/Object;", i);
+ stringList.append(title.toString());
+ }
+ }
+ return stringList;
+}
+//! [Working with lists]
+
+//! [QJNIObject scope]
+void function()
+{
+ QString helloString("Hello");
+ jstring myJString = 0;
+ {
+ QJNIObject string = QJNIObject::fromString(string);
+ myJString = string.object<jstring>();
+ }
+
+ // Ops! myJString is no longer valid.
+}
+//! [QJNIObject scope]