1 files changed, 174 insertions, 0 deletions
diff --git a/AutoMessagingDemo/app/src/main/java/com/example/android/automessagingdemo/MessagingService.java b/AutoMessagingDemo/app/src/main/java/com/example/android/automessagingdemo/MessagingService.java
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@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.automessagingdemo;
+
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Intent;
+import android.graphics.BitmapFactory;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.preview.support.v4.app.NotificationCompat.CarExtender;
+import android.preview.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.app.NotificationManagerCompat;
+import android.support.v4.app.RemoteInput;
+import android.util.Log;
+
+import java.util.Iterator;
+
+public class MessagingService extends Service {
+    private static final String TAG = MessagingService.class.getSimpleName();
+
+    public static final String READ_ACTION =
+            "com.example.messaging.messagemedemo.ACTION_MESSAGE_READ";
+    public static final String REPLY_ACTION =
+            "com.example.messaging.messagemedemo.ACTION_MESSAGE_REPLY";
+    public static final String CONVERSATION_ID = "conversation_id";
+    public static final String EXTRA_VOICE_REPLY = "extra_voice_reply";
+    public static final int MSG_SEND_NOTIFICATION = 1;
+    public static final String EOL = "\n";
+
+    private NotificationManagerCompat mNotificationManager;
+
+    private final Messenger mMessenger = new Messenger(new IncomingHandler());
+
+    /**
+     * Handler of incoming messages from clients.
+     */
+    class IncomingHandler extends Handler {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_SEND_NOTIFICATION:
+                    int howManyConversations = msg.arg1 <= 0 ? 1 : msg.arg1;
+                    int messagesPerConv = msg.arg2 <= 0 ? 1 : msg.arg2;
+                    sendNotification(howManyConversations, messagesPerConv);
+                    break;
+                default:
+                    super.handleMessage(msg);
+            }
+        }
+    }
+
+    @Override
+    public void onCreate() {
+        Log.d(TAG, "onCreate");
+        mNotificationManager = NotificationManagerCompat.from(getApplicationContext());
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        Log.d(TAG, "onBind");
+        return mMessenger.getBinder();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Log.d(TAG, "onStartCommand");
+        return START_STICKY;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        Log.d(TAG, "onDestroy");
+    }
+
+    // Creates an intent that will be triggered when a message is marked as read.
+    private Intent getMessageReadIntent(int id) {
+        return new Intent()
+                .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
+                .setAction(READ_ACTION)
+                .putExtra(CONVERSATION_ID, id);
+    }
+
+    // Creates an Intent that will be triggered when a voice reply is received.
+    private Intent getMessageReplyIntent(int conversationId) {
+        return new Intent()
+                .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
+                .setAction(REPLY_ACTION)
+                .putExtra(CONVERSATION_ID, conversationId);
+    }
+
+    private void sendNotification(int howManyConversations, int messagesPerConversation) {
+        Conversations.Conversation[] conversations = Conversations.getUnreadConversations(
+                howManyConversations, messagesPerConversation);
+        for (Conversations.Conversation conv : conversations) {
+            sendNotificationForConversation(conv);
+        }
+    }
+
+    private void sendNotificationForConversation(Conversations.Conversation conversation) {
+        // A pending Intent for reads
+        PendingIntent readPendingIntent = PendingIntent.getBroadcast(getApplicationContext(),
+                conversation.getConversationId(),
+                getMessageReadIntent(conversation.getConversationId()),
+                PendingIntent.FLAG_UPDATE_CURRENT);
+
+        // Build a RemoteInput for receiving voice input in a Car Notification
+        RemoteInput remoteInput = new RemoteInput.Builder(EXTRA_VOICE_REPLY)
+                .setLabel(getApplicationContext().getString(R.string.notification_reply))
+                .build();
+
+        // Building a Pending Intent for the reply action to trigger
+        PendingIntent replyIntent = PendingIntent.getBroadcast(getApplicationContext(),
+                conversation.getConversationId(),
+                getMessageReplyIntent(conversation.getConversationId()),
+                PendingIntent.FLAG_UPDATE_CURRENT);
+
+        // Create the UnreadConversation and populate it with the participant name,
+        // read and reply intents.
+        UnreadConversation.Builder unreadConvBuilder =
+                new UnreadConversation.Builder(conversation.getParticipantName())
+                .setLatestTimestamp(conversation.getTimestamp())
+                .setReadPendingIntent(readPendingIntent)
+                .setReplyAction(replyIntent, remoteInput);
+
+        // Note: Add messages from oldest to newest to the UnreadConversation.Builder
+        StringBuilder messageForNotification = new StringBuilder();
+        for (Iterator<String> messages = conversation.getMessages().iterator();
+             messages.hasNext(); ) {
+            String message = messages.next();
+            unreadConvBuilder.addMessage(message);
+            messageForNotification.append(message);
+            if (messages.hasNext()) {
+                messageForNotification.append(EOL);
+            }
+        }
+
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext())
+                .setSmallIcon(R.drawable.notification_icon)
+                .setLargeIcon(BitmapFactory.decodeResource(
+                        getApplicationContext().getResources(), R.drawable.android_contact))
+                .setContentText(messageForNotification.toString())
+                .setWhen(conversation.getTimestamp())
+                .setContentTitle(conversation.getParticipantName())
+                .setContentIntent(readPendingIntent)
+                .extend(new CarExtender()
+                        .setUnreadConversation(unreadConvBuilder.build())
+                        .setColor(getApplicationContext()
+                                .getResources().getColor(R.color.default_color_light)));
+
+        MessageLogger.logMessage(getApplicationContext(), "Sending notification "
+                + conversation.getConversationId() + " conversation: " + conversation);
+
+        mNotificationManager.notify(conversation.getConversationId(), builder.build());
+    }
+}