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An simple Currency Converter App utilizing CurrentLayer API to showcase modern Android development architecture (MVVM + Kotlin + Retrofit2 + Hilt + Coroutines + Kotlin Flow + mockK + Espresso + Junit)

usamayasin/CurrencyConverterApp

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CurrencyConverter App

An simple currency converter app utilizing CurrentLayer API.

Built with ❤︎ by Muhammad Usama Yasin


Features

  • Updated Exchange rates.
  • Offline Support
  • Conversion in realtime.
  • Every 30 minutes gets the latest rates and update lcoal DB

Architecture

  • Built with Modern Android Development practices
  • Utilized Usecase, Repository pattern for data
  • Includes unit tests for Use cases.

Built With 🛠

  • Kotlin - First class and official programming language for Android development.
  • Coroutines - For asynchronous and more..
  • Flow - A cold asynchronous data stream that sequentially emits values and completes normally or with an exception.
  • Android Architecture Components - Collection of libraries that help you design robust, testable, and maintainable apps.
    • LiveData - Data objects that notify views when the underlying database changes.
    • ViewModel - Stores UI-related data that isn't destroyed on UI changes.
    • ViewBinding - Generates a binding class for each XML layout file present in that module and allows you to more easily write code that interacts with views.
  • Dependency Injection
    • Hilt - Easier way to incorporate Dagger DI into Android apps.
  • Room - For saving Data in local DB and to provide offline support.
  • Retrofit - A type-safe HTTP client for Android and Java.
  • Work Manager - WorkManager the recommended library for persistent work.
  • Material Components for Android - Modular and customizable Material Design UI components for Android.
  • Gradle Kotlin DSL - For writing Gradle build scripts using Kotlin.
  • MockK - For Mocking and Unit Testing

To Be Done:

  • UI tests

👨 Developed By

Muhammad Usama Yasin

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