This is an Android demo for Tip Calculator App.
Time spent: 3 hours spent in total
Completed user stories:
- User is displayed the tip of specified percentage for specified entered amount
- User enters the total amount of the transaction
- User can select between tip amounts (i.e 10%, 15%, 20%)
- Upon selecting tip amount, formatted tip value is displayed
- [Optional] User changes the total amount and updated tip is reflected automatically
- [Optional] User can select custom tip percentage if desired
- [Optional] User can select how many ways to split the tip
- [Optional] User can edit preset tip percentages and have them persist across launches
- [Optional] Experiment with trying input widgets to replace the buttons and/or textviews
- [Optional] Improve the user interface and experience by using images and/or colors
Walkthrough of all user stories:

GIF created with LiceCap.