jumaallan / nala-money

Mobile app to show transactions [NALA Interview Solution], for the Senior Android Engineer Role

[ 🚧 Work in progress 👷‍♀️⛏👷🔧️🚧 ] NALA Money

A simple android app that shows your transactions. In this solution, the following needs to be demonstrated

• Fix the TransactionViewModel.getAllTransactions(), you can use the AppExecutors in money.nala.pay.interview.executers
• Show list header view (li_transaction_header.xml) to the top of Transactions List
• Add action to open a new screen on transaction click and the show/hide transaction balance on header show/hide click
• How would you localize the app
• How to support RTL support for Arabic
• Enrich unit tests for toSafeDouble() in StringUtilsTests and add a couple of test cases for formatAmountCommas()

Project characteristics

This project brings to table set of best practices, tools, and solutions:

• 100% Kotlin
• Model-View-View Model Architecture
• Android Jetpack
• Testing
• Dependency Injection
• Material design

Tech-stack

This project takes advantage of many popular libraries and tools of the Android ecosystem. Most of the libraries are in the stable version.

• Tech-stack

  • Kotlin + Coroutines - perform background operations
  • KOIN - dependency injection
  • Jetpack
    • LiveData - notify views about database change
    • Lifecycle - perform action when lifecycle state changes
    • ViewModel - store and manage UI-related data in a lifecycle conscious way
  • Stetho - application debugging tool - available on debug build only!!!

• Architecture

  • MVVM - application level
  • Android Architecture components (ViewModel, LiveData, SafeArgs plugin)

• Tests

  • Unit Tests (JUnit)

Getting started

There are a few ways to open this project.

Android Studio

1. Android Studio -> File -> New -> From Version control -> Git
2. Enter https://github.com/jumaallan/nala-money.git into URL field

Command line + Android Studio

1. Run git clone https://github.com/jumaallan/nala-money.git
2. Android Studio -> File -> Open

License

MIT License

Copyright (c) 2020 Juma Allan

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
associated documentation files (the "Software"), to deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to 
the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial 
portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
WHETHER IN AN ACTION OF  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.