FlyStationSelectionFragment is not used, may be it is used for flight application MainHeaderFragment.java is used for set drawer icon and select pickup and dropoff location on first rider landing page CabSelectionFragment.java is used to show send request bottomsheet DriverAssignedHeaderFragment.java is use only for show header during trip, destination and source change features are not used DriverDetailFragment.java is used show trip information bottomsheet during a trip PickUpLocSelectedFragment.java is not used