2 files changed, 151 insertions, 0 deletions
diff --git a/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.cpp b/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.cpp
new file mode 100644
index 0000000000..3c9f952968
--- /dev/null
+++ b/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.cpp
@@ -0,0 +1,97 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "androidconnectivitymanager.h"
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qjnienvironment.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace QNativeInterface;
+
+struct AndroidConnectivityManagerInstance
+{
+    AndroidConnectivityManagerInstance() : connManager(new AndroidConnectivityManager) { }
+    std::unique_ptr<AndroidConnectivityManager> connManager = nullptr;
+};
+Q_GLOBAL_STATIC(AndroidConnectivityManagerInstance, androidConnManagerInstance)
+
+static const char networkInformationClass[] =
+        "org/qtproject/qt/android/networkinformation/QtAndroidNetworkInformation";
+
+static void networkConnectivityChanged(JNIEnv *env, jobject obj, jint enumValue)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(obj);
+    const auto connectivity =
+            static_cast<AndroidConnectivityManager::AndroidConnectivity>(enumValue);
+    Q_EMIT androidConnManagerInstance->connManager->connectivityChanged(connectivity);
+}
+Q_DECLARE_JNI_NATIVE_METHOD(networkConnectivityChanged)
+
+static void genericInfoChanged(JNIEnv *env, jobject obj, jboolean captivePortal, jboolean metered)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(obj);
+    Q_EMIT androidConnManagerInstance->connManager->captivePortalChanged(captivePortal);
+    Q_EMIT androidConnManagerInstance->connManager->meteredChanged(metered);
+}
+Q_DECLARE_JNI_NATIVE_METHOD(genericInfoChanged)
+
+static void transportMediumChanged(JNIEnv *env, jobject obj, jint enumValue)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(obj);
+    const auto transport = static_cast<AndroidConnectivityManager::AndroidTransport>(enumValue);
+    emit androidConnManagerInstance->connManager->transportMediumChanged(transport);
+}
+Q_DECLARE_JNI_NATIVE_METHOD(transportMediumChanged)
+
+Q_DECLARE_JNI_CLASS(ConnectivityManager, "android/net/ConnectivityManager")
+
+AndroidConnectivityManager::AndroidConnectivityManager()
+{
+    if (!registerNatives())
+        return;
+
+    QJniObject::callStaticMethod<void>(networkInformationClass, "registerReceiver",
+                                       QAndroidApplication::context());
+}
+
+AndroidConnectivityManager *AndroidConnectivityManager::getInstance()
+{
+    if (!androidConnManagerInstance())
+        return nullptr;
+    return androidConnManagerInstance->connManager->isValid()
+            ? androidConnManagerInstance->connManager.get()
+            : nullptr;
+}
+
+bool AndroidConnectivityManager::isValid() const
+{
+    return registerNatives();
+}
+
+AndroidConnectivityManager::~AndroidConnectivityManager()
+{
+    QJniObject::callStaticMethod<void>(networkInformationClass, "unregisterReceiver",
+                                       QAndroidApplication::context());
+}
+
+bool AndroidConnectivityManager::registerNatives() const
+{
+    static const bool registered = []() {
+        QJniEnvironment env;
+        return env.registerNativeMethods(networkInformationClass, {
+            Q_JNI_NATIVE_METHOD(networkConnectivityChanged),
+            Q_JNI_NATIVE_METHOD(genericInfoChanged),
+            Q_JNI_NATIVE_METHOD(transportMediumChanged),
+        });
+    }();
+    return registered;
+}
+
+QT_END_NAMESPACE
+
+#include "moc_androidconnectivitymanager.cpp"
diff --git a/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.h b/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.h
new file mode 100644
index 0000000000..d15faf0e8e
--- /dev/null
+++ b/src/plugins/networkinformation/android/wrapper/androidconnectivitymanager.h
@@ -0,0 +1,54 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef ANDROIDCONNECTIVITYMANAGER_H
+#define ANDROIDCONNECTIVITYMANAGER_H
+
+#include <QObject>
+#include <QtCore/qjniobject.h>
+
+QT_BEGIN_NAMESPACE
+
+class AndroidConnectivityManager : public QObject
+{
+    Q_OBJECT
+public:
+    // Keep synchronized with AndroidConnectivity in QtAndroidNetworkInformation.java
+    enum class AndroidConnectivity { Connected, Unknown, Disconnected };
+    Q_ENUM(AndroidConnectivity);
+
+    // Keep synchronized with Transport in QtAndroidNetworkInformation.java
+    enum class AndroidTransport {
+        Unknown,
+        Bluetooth,
+        Cellular,
+        Ethernet,
+        LoWPAN,
+        Usb,
+        WiFi,
+        WiFiAware,
+    };
+    Q_ENUM(AndroidTransport);
+
+    static AndroidConnectivityManager *getInstance();
+    ~AndroidConnectivityManager();
+
+    inline bool isValid() const;
+
+Q_SIGNALS:
+    void connectivityChanged(AndroidConnectivity connectivity);
+    void captivePortalChanged(bool state);
+    void transportMediumChanged(AndroidTransport transport);
+    void meteredChanged(bool state);
+
+private:
+    friend struct AndroidConnectivityManagerInstance;
+    AndroidConnectivityManager();
+    bool registerNatives() const;
+
+    Q_DISABLE_COPY_MOVE(AndroidConnectivityManager);
+};
+
+QT_END_NAMESPACE
+
+#endif // ANDROIDCONNECTIVITYMANAGER_H