Sample project demonstrating usage of Dagger + Otto + Robolectric + Retrofit + Picasso + OkHttp
Inspired from Square's Android codebase.
From the command line, you can build and deploy with:
mvn clean package
mvn android:deploy android:run
You should also be able to import this project in IntelliJ.
Written as support material for a tech talk at the Paris Android User Group (here) and at Droidcon London 2013.