Convert M4A/AAC file to and from WAV file on Linux

May be useful to create M4A/ACC files for phone ringtones, use faad and faac command line utilities :

• faad foo.aac creates a foo.wav file
• faac foo.wav create a foo.acc file
  

Writing zippy Android apps Google IO Video

A Must-see presentation for development on Android : Writing zippy Android apps

I really liked the part where Brad Fitzpatrick explains what the difference is between an AsyncTask and IntentService :

• AsyncTask : for non blocking "fire and forget" operations outside of the UI Thread (the OS may kill the AsyncTask upon certain conditions and the task may not be able to finish its job)
• IntentService : use for non blocking operations that must not be interrupted outside of the UI Thread