Twitter with Fragments

- user can switch between timeline and mention views using tabs.
        - user can view home timline tweets
        - user can view the recent mentions of their username
        - infinite scroll support for both these lists
- viewing user profile
        - user can see picture, tagline, #of followers, # of following,
          and tweets
- view another user's profile by clicking on their profile image
        - user can see picture, tagline, #of followers, # of following,
        of clicked user.
        - view has user's timeline
- checking for internet availabilty
- detail view of a tweet
- reply to tweet in detail view
- persistence storage using SQLiteOpenHelper.