Project Architecture - The Clean Architecture

In accordance with the SOLID rules, a 3-layer architecture was used as a general principle to reduce the dependency between each layer and write easy to test.

UI Layer - MVVM

MVVM was used as the UI layer to seperation of concern.

3rd Libraries and Components:

• Kotlin [Coroutines] for background operations.
• Kotlin [Parcelable] used for object data transfer between pages.
• Reactive UIs using LiveData observables.
• A data layer with a repository and two data sources (local using [RealmDb] and remote [Refrofit]).
• Inter-class dependencies were injectioned using [Dagger2].
• A collection of unit and activity tests were run on [Robolectric] and using [Mockito].