1<?xml version="1.0" encoding="UTF-8"?> 2<!-- 3 Copyright 2013 The Android Open Source Project 4 5 Licensed under the Apache License, Version 2.0 (the "License"); 6 you may not use this file except in compliance with the License. 7 You may obtain a copy of the License at 8 9 http://www.apache.org/licenses/LICENSE-2.0 10 11 Unless required by applicable law or agreed to in writing, software 12 distributed under the License is distributed on an "AS IS" BASIS, 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 See the License for the specific language governing permissions and 15 limitations under the License. 16--> 17<sample> 18 <name>MessagingService</name> 19 <group>Android N Preview</group> 20 <package>com.example.android.messagingservice</package> 21 22 <minSdk>21</minSdk> 23 <compileSdkVersion>24</compileSdkVersion> 24 <targetSdkVersion>24</targetSdkVersion> 25 26 <strings> 27 <intro> 28 <![CDATA[ 29This sample shows a simple service that sends notifications using 30NotificationCompat. It also extends the notification with Remote 31Input to allow Android N devices to reply via text directly from 32the notification without having to open an app. The same Remote 33Input usage also allows Android Auto users to respond by voice 34when the notifications is presented in that experience. 35Note: Each unread conversation from a user is sent as a distinct 36notification. 37 ]]> 38 </intro> 39 </strings> 40 41 <template src="base-build" /> 42 <template src="base-application" /> 43 <metadata> 44 <status>PUBLISHED</status> 45 <categories>Android N Preview</categories> 46 <!-- Old Categories: UI, Notification --> 47 <technologies>Android</technologies> 48 <languages>Java</languages> 49 <solutions>Mobile</solutions> 50 <level>ADVANCED</level> 51 <icon>screenshots/icon-web.png</icon> 52 <screenshots> 53 <img>screenshots/1-main.png</img> 54 <img>screenshots/2-onemessage.png</img> 55 <img>screenshots/3-threemessages.png</img> 56 </screenshots> 57 <api_refs> 58 <android>android.app.Service</android> 59 <android>android.content.Intent</android> 60 <android>android.support.v4.app.NotificationCompat</android> 61 <android>android.support.v4.app.NotificationCompat.CarExtender</android> 62 </api_refs> 63 <description> 64<![CDATA[ 65This sample shows a simple service that sends notifications using 66NotificationCompat. It also extends the notification with Remote 67Input to allow Android N devices to reply via text directly from 68the notification without having to open an App. The same Remote 69Input object also allows Android Auto users to respond by voice 70when the notification is presented there. 71Note: Each unread conversation from a user is sent as a distinct 72notification. 73]]></description> 74 <intro> 75 <![CDATA[ 76#### Checklist while building a messaging app that supports Android Auto: 771. Ensure that Message notifications are extended using 78NotificationCompat.Builder.extend(new CarExtender()...) 792. Declare a meta-data tag to your AndroidManifest.xml to specify that your app 80is automotive enabled. 81 82example: AndroidManifest.xml 83 84``` 85 <meta-data android:name="com.google.android.gms.car.application" 86 android:resource="@xml/automotive_app_desc"/> 87``` 88 89Include the following to indicate that the application wants to show notifications on 90the Android Auto overview screen. 91 92example: res/xml/automotive\_app\_desc.xml 93``` 94 <automotiveApp> 95 <uses name="notification"/> 96 </automotiveApp> 97``` 98 99#### Flow 100MessagingFragment is shown to the user. Depending on the button clicked, the MessagingService is 101sent a message. MessagingService in turn creates notifications which can be viewed either on the 102device or in the messaging-simulator. 103 104When a message is read, the associated PendingIntent is triggered and MessageReadReceiver is called 105with the appropriate conversationId. Similarly, when a reply is received, the MessageReplyReceiver 106is called with the appropriate conversationId. MessageLogger logs each event and shows them in a 107TextView in MessagingFragment for correlation. 108]]> 109 </intro> 110 </metadata> 111</sample> 112
