Kotlin MVVM Architecture

A sample app that display list of Google news. The purpose of this project to illustrate the usage of MVVM architecture design pattern that follow the best practices of Object Oriented Design Patterns using the following technology stack.

1. MVVM Architecture Design Pattern
2. Hilt (Dependency Injection)
3. Flow, Live Data, MediatorLiveData
4. Room Database
5. Retrofit
6. Repository Pattern
7. AndroidX
8. Glide
9. JetPack Libraries

Note: Update your NEWS_API_KEY in credentials.properties

Demo

Architecture

NetworkBoundResource

Mediator LiveData

Other samples of MVVM using Kotlin

• View-ViewModel-Interaction - Sample shows View and ViewModel Interaction/Communication.
• Communication-ActivityFragment-ViewModel - Sample shows communication between Activity and Fragment using ViewModel
• ViewModel-ViewModel-Communication - Sample shows communication between ViewModels
• LocationUpdates-LiveData-ViewModel - Sample shows, to get location updates as LiveData in Kotlin.
• Kotlin-MVVM-Architecture - Sample of complete MVVM Architecture using Dagger2, Kotlin, MediatorLiveData, Retrofit etc.
• Presentation Slides - Presentation slides on this architecture sample.

Author

Waheed Nazir

Sources

1. Google's official doc
2. Google's Codelab
3. Architecture Components Samples
4. Jose Alcérreca's post at Medium

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