Workshop: Android

Fernando Cejas - @fernando_cejasFernando García - @fegabe

  Introduction  What’s Push?  Push vs. Poll  Cloud to device messaging  Android Implementation  Build your app  ?  F.A.Q

  “fastDovePush”   Who we are? App for this demo   open source

Push technology, or server push, describes a style of Internet-based communication where the request for a giventransaction is initiated by the publisher or central server.   Harder to implement   Less battery consumption   Constant connection

Push me your news! Any news? No! Any news? No! Any news? No! New News! content! Any news? Yes! (News)  Transfer content as soon as available  Save device battery  Reduce data traffic for user

  HaIt allows third-party application servers to send lightweight messages to their Android applications  C2DM makes no guarantees about delivery or the order of messages  An application on an Android device doesn’t need to be running to receive messages

  It does not provide any built-in user interface or other handling for message data  It requires devices running Android 2.2 or higher that also have the Market application installed  It uses an existing connection for Google services

1.  Register device for Push 3.  Device receives message2.  App server send message 4.  Unregister device

  Requesting a Registration IDC2DMessaging.register(this, "sender@gmail.com");

  Receiving the Registration IDpublic class C2DMReceiver extends C2DMBaseReceiver { public C2DMReceiver() { super("sender@gmail.com"); } @Override public void onRegistered(Context context, String registrationId) { // TODO send registration ID to the app server } ... }

  Receiving Messagespublic class C2DMReceiver extends C2DMBaseReceiver { ... @Override protected void onMessage(Context context, Intent intent) { String payload = intent.getStringExtra("payload"); // TODO handle the message } }

  Android Manifest<application> ...  <service android:name="com.fastdove.sample.ac2dm.C2DMReceiver" /> <receiver android:name="com.google.android.c2dm.C2DMBroadcastReceiver" android:permission="com.google.android.c2dm.permission.SEND"> <intent-filter> <action android:name="com.google.android.c2dm.intent.REGISTRATION" /> <category android:name="com.fastdove.sample.ac2dm" /> </intent-filter> <intent-filter> <action android:name="com.google.android.c2dm.intent.RECEIVE" /> <category android:name="com.fastdove.sample.ac2dm" /> </intent-filter> </receiver>  </application>

  Request Authorization Token$ curl https://www.google.com/accounts/ClientLogin -daccountType=GOOGLE -d source=Google-cURL-Example -dservice=ac2dm -d Email=sender@gmail.com -d "Passwd=***"  Send Message$ curl --header "Authorization: GoogleLogin auth=authorization_id""https://android.apis.google.com/c2dm/send" -dregistration_id=device_registration_id -d "data.payload=yourmessage" -d collapse_key=something

http://www.fastdove.com/@fastdove@fastdovedevinfo@fastdove.comFernando Cejas - @fernando_cejasFernando García - @fegabe

Workshop: Android

by Barcelona Digital Technology Centre

Accessibility

Categories

Upload Details

Usage Rights

Statistics

Workshop: Android Presentation Transcript