#TipCalculator This is prework to apply for Codepath iOS bootcamp.
##How many hours did it take to complete? It took my about 8 hours to finish the project. Before that, I spent about 2 days to walk through the swift tutorial, "Start Developing iOS Apps Today" and the video walkthrough.
##Required stories implemented
- Added settings view
- Changed UI layout
- Load and save default tip percentage from/to NSUserDefaults
##Optional stories implemented
- Used navigation controller
- Added splitting bill feature
- Load and save default currency symbol from/to NSUserDefaults
- Added basic unit test