Project structure:

• App: contains only the opening activity with its splash theme.
• Feature folder contains all different features, in this case only dashboard
• Infrastructure contains all common modules such as: api, core components, testing utilities, custom exceptions and navigation logic

Feature modules structure:

• Data to contain repositories, datasources and some mappers
• DI to define all dependency injections rules
• Domain contains business models and usecases
• Presentation contains viewmodels and views

Technologies used:

• Kodein for DI
• AndroidX for UI
• arrow for datatypes like: Option or Try
• RXJava to compose asynchronous calls
• Moshi to parse JSON
• Okhttp and retrofit to manage API calls
• MPChart to present chart data
• JUnit5 for unittest
• Espresso for UI tests

Notes: There is an Espresso test for DashboardFragment, but due to the mocking library uses and according to their issues log, it only works with emulators>=28 until fixed.