Core Android components such as Activities, Fragments, Services, Broadcast Receivers etc.
Extending the base UI components provided by the Android framework.
Integrating UI components with the SQLite DB
Integrating with server-side APIs and web services
Working with frameworks that simplify long running operations
Building apps optimised for both small and large screen devices
Launching and supporting non-trivial apps in the Google Play Store
You’ll have an advantage if you have experience of:
Working within an e-commerce business where reliability is critical
UX design and usability testing
Mobile payment methods
Unit/Integration testing (Robolectric/Robotium)
Mechanoid, Square Otto, Square Dagger and ActionBarSherlock libraries