Android Clean Architecture - Survey Application

A demo project for those who want to learn Clean Architecture in Android. Hope it helps!

Build Guide:

Before running the application, add client id and secret in local.properties file like this.

CLIENT_ID = "6GbE..."
CLIENT_SECRET = "_ayfI..."

Project Overview

• The application was written in Kotlin
• Multi-module Clean Architecture (MVVM in presentation layer)
• Android Jetpack libraries were utilized
• Dagger Hilt was used for dependency injection
• Navigation graph was used to maintain single activity architecture
• Room persistence ORM was used to cache API responses
• Coroutine for threading, asynchronous and database actions
• Retrofit okhttp client was used for networking
• Response handler with Sealed Class
• API response to Entity Mapper
• Automatic Token Refresh authenticator
• EncryptedSharedPreferences was used to store auth tokens securely
• Secured client id and secret with secrets_gradle_plugin
• Glide was used to load images
• Android animations were used
• ViewPager2 for left/right swipe
• Dynamic navigation indicator list (bullets)
• Shimmer skeleton during loading
• Junit4, Robolectric, MockK were used for testing