Implementing Push on Android –
The DroidPush API November 03, 2009 Stefan Alund & Johannes Willig

What this session is about
<ul><li>Why Push Delivery? </li></ul><ul><li>Push Basics </li></ul><ul><li>The DroidPush API </li></ul><ul><li>Demo </li></ul><ul><li>Discussion </li></ul>

Why Push Delivery?

Why push delivery ? poll
push <ul><li>Transfer content as soon as available </li></ul><ul><li>Save device battery </li></ul><ul><li>Reduce data traffic for user </li></ul>push push <ul><li>Transfer content as soon as available </li></ul><ul><li>Save device battery </li></ul><ul><li>Reduce data traffic for user </li></ul><ul><li>Transfer content as soon as available </li></ul><ul><li>Save device battery </li></ul><ul><li>Reduce data traffic for user </li></ul>

Push efficiency – Why Polling
is BAD Battery lifetime [h] 1 test run per configuration on a Sony Ericsson C905 device

Push Basics

Push delivery basics: Push to
Poll 0. Subscribe for news Content Server Push Gateway 1.Provide content access 2. Init Push delivery 3. Deliver Push Trigger 4.Request Content 5.Deliver Content

Trigger Types & Technology <ul><li>Trigger
types </li></ul><ul><ul><li>TCP / UDP connection </li></ul></ul><ul><ul><li>Short Message Service </li></ul></ul><ul><li>Push frameworks </li></ul><ul><ul><li>MIDP 2.0 Push Registry / WMA </li></ul></ul><ul><ul><li>OMA WAP Push </li></ul></ul><ul><ul><li>Apple Push Notifications </li></ul></ul><ul><ul><li>RIM: Hosted Data Push Service </li></ul></ul><ul><ul><li>Google Push (Android) </li></ul></ul><ul><ul><li>MQTT Push (Android et.al.) </li></ul></ul>

SMS Push Technology <ul><li>SMS header
may contain “app port” field </li></ul><ul><ul><li>Dedicated range of free usable port numbers </li></ul></ul><ul><ul><li>Port handling not yet supported in Android (1.6) </li></ul></ul><ul><li>Mobile applications can register to a SMS application port </li></ul><ul><ul><li>App is automatically started at SMS reception with this port </li></ul></ul><ul><ul><li>SMS content is passed to application for further usage </li></ul></ul><ul><li>SMS contains link to content (push to poll) </li></ul>

G1 Long Polling „Push“ -
GMAIL <ul><li>GMails are always pushed </li></ul><ul><li>Google Push Mechansim shared by all Google apps </li></ul><ul><li>Long-lived TCP connection („push channel“) used </li></ul><ul><li>Upon mail reception, notification is sent through push channel </li></ul>

The DROIDPUSH API

droidpuSh Overview DroidPush API

Show me the Code <ul><li>Import
the API (jar) </li></ul><ul><li>Setup Manifest for Push Intents </li></ul><ul><li>Implement your BroadcastReceiver </li></ul><ul><li>Start to Push </li></ul>

DEMO

END http://labs.ericsson.com

Push Applications Pushed Dates Push
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