Add example to show how to work with activities and handle their result

Task-number: QTBUG-83038
Change-Id: I87a631551c3c6fbb22eaaf56acad6b8ae87f4560
Reviewed-by: Tarja Sundqvist <tarja.sundqvist@qt.io>
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
(cherry picked from commit 85b2ea13da75303371ef8f82d5c0a079fa437904)
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>

1 files changed, 88 insertions, 0 deletions

diff --git a/examples/androidextras/customactivity/activityhandler.cpp b/examples/androidextras/customactivity/activityhandler.cpp
new file mode 100644
index 0000000..2d7b172
--- /dev/null
+++ b/examples/androidextras/customactivity/activityhandler.cpp
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** 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 "activityhandler.h"
+
+#include <QAndroidIntent>
+
+const int REQUEST_CODE = 123;
+const jint RESULT_OK = QAndroidJniObject::getStaticField<jint>("android/app/Activity", "RESULT_OK");
+ActivityHandler *ActivityHandler::m_instance = nullptr;
+
+ActivityHandler::ActivityHandler(QObject *parent) : QObject(parent)
+{
+    m_instance = this;
+}
+
+void ActivityHandler::showSecondActivity()
+{
+    QAndroidIntent activityIntent(QtAndroid::androidActivity().object(),
+                                  "org/qtproject/example/activityhandler/CustomActivity");
+
+    QtAndroid::startActivity(
+            activityIntent.handle(), REQUEST_CODE,
+            [this](int requestCode, int resultCode, const QAndroidJniObject &data) {
+                activityReceiver(requestCode, resultCode, data);
+            });
+}
+
+void ActivityHandler::activityReceiver(int requestCode, int resultCode, const QAndroidJniObject &data)
+{
+    if (requestCode == REQUEST_CODE) {
+        if (resultCode == RESULT_OK) {
+            const QAndroidJniObject key = QAndroidJniObject::fromString("message");
+            const QAndroidJniObject message = data.callObjectMethod(
+                    "getStringExtra", "(Ljava/lang/String;)Ljava/lang/String;", key.object());
+            if (message.isValid())
+                emit ActivityHandler::instance()->receiveFromActivityResult(message.toString());
+        } else {
+            emit ActivityHandler::instance()->receiveFromActivityResult("Rejected!");
+        }
+    }
+}