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Pre-work - Tip Calculator

Tip Calculator is a simple tip calculator application for iOS.

Submitted by: Chia-Lin Liu

Time spent: 4 hours spent in total

User Stories

The following required functionality is complete:

  • User can enter a bill amount, choose a tip percentage, and see the tip and total values.

The following optional features are implemented:

  • Settings page to change the default tip percentage.
  • UI animations
  • Remembering the bill amount across app restarts (if <10mins)
  • Using locale-specific currency and currency thousands separators.
  • Making sure the keyboard is always visible and the bill amount is always the first responder. This way the user doesn't have to tap anywhere to use this app. Just launch the app and start typing.

The following additional features are implemented:

  • Customized Tip Percentage Option

Video Walkthrough

Here's a walkthrough of implemented user stories:

WalkThrough

GIF created with LiceCap.

Notes

First ever iOS app in my life! I have never learned Swift before. It's a little bit hard to code types of variables, since I've been working with Python for a while. Besides that, I like the Xcode interface more than Android Studio and especially the UI design to create a new function. (use mouse to drag and drop) Cannot wait to learn and practice more about iOS app development. 😄

License

Copyright [2020] [Chia-Lin Liu]

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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