- Add search action/icon on action bar
- Add spinner navigation to action bar: Surfing and Moving
- Update MainActivity: in Surfing mode, load 5 tabs (News, Friends,
Follow, Trips and More); In Moving mode, load 3 tabs (Map, Member and
Schedule); Each tab is a fragment with different layout.
- Add SlidingTabLayout and SlidingTabStrip for tab display (original
source code on Android samples), will be modified.