I created this document as a support of my presentation , Asynchronous Tasks with Android,

1. Asynchronous Tasks with Android Anthony Dahanne, Ing Jr identi.ca/twitter : @anthonydahanne blog : http://blog.dahanne.net Android Montreal, le 01/09/2010

3. What are the options ?

4. AsyncTasks to the rescue !

5. AsyncTask API : the lifecycle

6. AsyncTask API : real life example (demo)

7. Q&A

9. Intense computing (media manipulation) One thread = Frustrated user !

11. Intense computing (media manipulation) Many threads = Happy user

12. What are the options ? Or you can try THE REAL THING ! Handler based API : Activity.runOnUiThread(Runnable) View.post(Runnable) View.postDelayed(Runnable, long) And .... Handler ! (android.os.Handler)

13. AsyncTasks to the rescue ! Asynctask API : Something doInBackground(String... params) { return null; } protected void onPreExecute() { } protected void onPostExecute(Something b) { } protected void onProgressUpdate(Ty... values) { } The best way to round kick your threads !

14. Asynchronous Tasks : the lifecycle

15. AsyncTask : real life example

16. The end ! Q&A !