Implement notifications on Android

Notify when there are unread messages

retroshare-android-notify-service/src/main.cpp

@@ -27,6 +27,8 @@
 #endif
 
 #include "libresapilocalclient.h"
+#include "notificationsbridge.h"
+
 #include "retroshare/rsinit.h"
 
 
@@ -42,9 +44,13 @@ int main(int argc, char *argv[])
 	sockPath.append("/libresapi.sock");
 
 	QQmlApplicationEngine engine;
-	qmlRegisterType<LibresapiLocalClient>(
-	            "org.retroshare.qml_components.LibresapiLocalClient", 1, 0,
-	            "LibresapiLocalClient");
+
+	qmlRegisterType<NotificationsBridge>(
+	            "org.retroshare.qml_components.NotificationsBridge", 1, 0,
+	            "NotificationsBridge");
+	NotificationsBridge notificationsBridge;
+	engine.rootContext()->setContextProperty("notificationsBridge",
+	                                         &notificationsBridge);
 
 #ifdef QT_DEBUG
 	engine.rootContext()->setContextProperty("QT_DEBUG", true);
@@ -66,8 +72,12 @@ int main(int argc, char *argv[])
 
 	rsApi.openConnection(sockPath);
 
+	qmlRegisterType<LibresapiLocalClient>(
+	            "org.retroshare.qml_components.LibresapiLocalClient", 1, 0,
+	            "LibresapiLocalClient");
 	engine.rootContext()->setContextProperty("rsApi", &rsApi);
-	engine.load(QUrl(QLatin1String("qrc:/notify.qml")));
+
+	engine.load(QUrl(QLatin1String("qrc:/main.qml")));
 
 	return app.exec();
 }

retroshare-android-notify-service/src/main.qml

@@ -25,21 +25,24 @@ QtObject
 	id: notifyRoot
 
 	property alias coreReady: coreWatcher.coreReady
-
-	property AutologinManager _aM: AutologinManager { id: coreWatcher }
-
 	onCoreReadyChanged: if(coreReady) refreshUnread()
 
+	property AutologinManager coreWatcher: AutologinManager { id: coreWatcher }
+
 	function refreshUnreadCallback(par)
 	{
 		console.log("notifyRoot.refreshUnreadCB()")
 		var json = JSON.parse(par.response)
 		TokensManager.registerToken(json.statetoken, refreshUnread)
-		if(json.data.length > 0)
+		var convCnt = json.data.length
+		if(convCnt > 0)
 		{
 			console.log("notifyRoot.refreshUnreadCB() got", json.data.length,
-						"unread messages")
-			//TODO: display android notification
+						"unread conversations")
+			notificationsBridge.notify(
+						qsTr("New message!"),
+						qsTr("Unread messages in %1 conversations").arg(convCnt)
+						)
 		}
 	}
 	function refreshUnread()

retroshare-android-notify-service/src/notificationsbridge.h

@@ -0,0 +1,44 @@
+#pragma once
+/*
+ * RetroShare Android Service
+ * Copyright (C) 2017  Gioacchino Mazzurco <gio@eigenlab.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QtAndroidExtras/QAndroidJniObject>
+#include <QObject>
+#include <QString>
+#include <QtAndroid>
+#include <QDebug>
+
+struct NotificationsBridge : QObject
+{
+	Q_OBJECT
+
+public slots:
+	static void notify(const QString& title, const QString& text = "",
+	                   const QString& uri = "")
+	{
+		qDebug() << __PRETTY_FUNCTION__ << title << text << uri;
+
+		QtAndroid::androidService().callMethod<void>(
+		            "notify",
+		            "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V",
+		            QAndroidJniObject::fromString(title).object(),
+		            QAndroidJniObject::fromString(text).object(),
+		            QAndroidJniObject::fromString(uri).object()
+		            );
+	}
+};

retroshare-android-notify-service/src/qml.qrc

@@ -1,6 +1,6 @@
 <RCC>
     <qresource prefix="/">
-        <file>notify.qml</file>
+        <file>main.qml</file>
         <file>TokensManager.qml</file>
         <file>AutologinManager.qml</file>
         <file>qmldir</file>

retroshare-android-notify-service/src/retroshare-android-notify-service.pro

@@ -10,11 +10,17 @@ CONFIG += dll
 
 RESOURCES += qml.qrc
 
-android-g++:TEMPLATE = lib
-!android-g++:TEMPLATE = app
+TEMPLATE = app
+
+android-g++
+{
+    TEMPLATE = lib
+    QT += androidextras
+    HEADERS += notificationsbridge.h
+}
 
 HEADERS += libresapilocalclient.h
-SOURCES += libresapilocalclient.cpp notify.cpp
+SOURCES += libresapilocalclient.cpp main.cpp
 
 DEPENDPATH *= ../../libretroshare/src
 INCLUDEPATH *= ../../libretroshare/src

retroshare-qml-app/src/android/AndroidManifest.xml

@@ -5,9 +5,10 @@
           android:installLocation="auto">
     <application android:name="org.qtproject.qt5.android.bindings.QtApplication"
                  android:hardwareAccelerated="true"
-                 android:label="RetroShare">
+                 android:label="RetroShare"
+                 android:icon="@drawable/retroshare06_128x128">
         <activity android:name=".RetroShareQmlActivity"
-                  android:label="RetroShare QML"
+                  android:label="RetroShare"
                   android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation"
                   android:screenOrientation="unspecified"
                   android:launchMode="singleTask">

retroshare-qml-app/src/android/res/drawable/retroshare06_128x128.png

@@ -0,0 +1 @@
+../../../../../data/128x128/apps/retroshare06.png

retroshare-qml-app/src/android/res/drawable/retroshare06_48x48.png

@@ -0,0 +1 @@
+../../../../../data/48x48/apps/retroshare06.png

retroshare-qml-app/src/android/src/org/retroshare/android/qml_app/RetroShareAndroidNotifyService.java

@@ -18,6 +18,40 @@
 
 package org.retroshare.android.qml_app;
 
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.TaskStackBuilder;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
 import org.qtproject.qt5.android.bindings.QtService;
 
-public class RetroShareAndroidNotifyService extends QtService {}
+public class RetroShareAndroidNotifyService extends QtService
+{
+	@UsedByNativeCode @SuppressWarnings("unused")
+	public void notify(String title, String text, String uri)
+	{
+		Notification.Builder mBuilder = new Notification.Builder(this);
+		mBuilder.setSmallIcon(R.drawable.retroshare06_48x48)
+				.setContentTitle(title)
+				.setContentText(text)
+				.setAutoCancel(true);
+
+		Intent resultIntent = new Intent(this, RetroShareQmlActivity.class);
+		if(!uri.isEmpty()) resultIntent.setData(Uri.parse(uri));
+
+		TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
+		stackBuilder.addParentStack(RetroShareQmlActivity.class);
+		stackBuilder.addNextIntent(resultIntent);
+		PendingIntent resultPendingIntent =
+				stackBuilder.getPendingIntent( 0,
+						PendingIntent.FLAG_UPDATE_CURRENT );
+
+		mBuilder.setContentIntent(resultPendingIntent);
+		NotificationManager mNotificationManager =
+				(NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
+		mNotificationManager.notify(0, mBuilder.build());
+	}
+}

retroshare-qml-app/src/android/src/org/retroshare/android/qml_app/UsedByNativeCode.java

@@ -0,0 +1,3 @@
+package org.retroshare.android.qml_app;
+
+public @interface UsedByNativeCode {}