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/*
* 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());
}
}
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