StockPricesTrackerCompose

This project showcases an app which displays a bunch of hardcoded stock tickers being updated automatically through a web socket using jetpack compose.

Tech Stack

• Kotlin
• Flow & Coroutines
• Recycler View
• Constraint Layout
• Kotlinx Serizalization
• Moshi (Not used in main branch)
• Scarlet (Not used in main branch)
• OkHttp
• Mockk
• Dagger Hilt
• Timber

ToDos & Workflow

Completed

• Add Data Binding
• Add Navigation & safeArgs
• Add XML files to res folder
• Add Hilt & set it up
• Add RecyclerView & Adapter (Hardcode entries)
• Bind ViewModel
• Display Hardcoded data from the VM
• Create mock UseCases layer
• Inject UseCases in the VM
• Create Repository layer
• Inject Repository in the UseCases
• Test ViewModels
• Test UseCases
• Test Repositories
• Test Mappers
• Test ViewModels
• Test UseCases
• Test Repositories
• Test Mappers
• Create Scarlet Service (See Scarlet ad-hoc branch) Values can be collected in the VM but they do not propagate to the UI. Also unsubscribtion doesn't work.
• Inject Service in the repository
• Delete all unnecessary logs.
• • Modularize project

Not yet

• Detail Screens

Resources & Credits

Flows

• https://manuelvivo.dev/coroutines-addrepeatingjob

Clean Architecture

• https://medium.com/swlh/clean-architecture-in-android-a-beginner-approach-be0ce00d806b

Web Sockets

• https://ssaurel.medium.com/learn-to-use-websockets-on-android-with-okhttp-ba5f00aea988
• https://proandroiddev.com/kotlin-channel-and-websocket-complete-example-and-why-not-flow-82090432880c

Unit Testing

• https://proandroiddev.com/unit-testing-on-android-9c15632848c