change nav bar color to orange
change background to white
Merge branch 'master' of github.com:dst-hackathon/socialradar-android

# By PhubaseTiewthanom (2) and kaotangP (1)
# Via kaotangP (2) and PhubaseTiewthanom (1)
* 'master' of github.com:dst-hackathon/socialradar-android:
  Remove an activity bar on the landing page.
  Fix didn't check category when options are checked.
  Get Category from service.