CostaFot

# Built application files
*.apk
*.ap_
*.aab

# Files for the ART/Dalvik VM
*.dex

# Java class files
*.class

CostaFot

allprojects {
    ext {
        // NEVER name this block 'android'. Never name *ANY* block android
        androidVersions = [
                // updated 17/3/2019
                androidXVersion  : "1.0.0",
                livedata         : '2.0.0-rc01',
                minSdkVersion    : 21,
                targetSdkVersion : 28,
                compileSdkVersion: 28,

CostaFot

import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import kotlinx.coroutines.newFixedThreadPoolContext
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.withContext
import java.util.UUID
import java.util.concurrent.ConcurrentHashMap

CostaFot

import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import kotlinx.coroutines.newFixedThreadPoolContext
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.withContext
import java.util.UUID
import java.util.concurrent.ConcurrentHashMap

CostaFot

class PostViewModel(private val redditRepository: RedditRepository) : ViewModel() {

    val stateData = MutableLiveData<State>()

    fun getRedditPost() {
        viewModelScope.launch {
            stateData.value = State.Loading
            val post: State.Post = redditRepository.getPost()
            stateData.value = post
        }

CostaFot

class RedditRepository(private val dispatcherProvider: DispatcherProvider) {

    suspend fun getPost(): State.Post {
        return withContext(dispatcherProvider.io) {
            delay(5000)
            State.Post("to be fair")
        }
    }
}

CostaFot

class RedditRepository(private val dispatcherProvider: DispatcherProvider) {

    suspend fun getPost(): State.Post {
        return withContext(dispatcherProvider.io) {
            delay(2000)
            State.Post("🐢 SLOW AND STEADY 🐢 WINS THE RACE 🐢 MODS CAN'T BAN ME 🐢 AT THIS PACE 🐢")
        }
    }
}

CostaFot

interface DispatcherProvider {
    val io: CoroutineDispatcher
    val ui: CoroutineDispatcher
    val default: CoroutineDispatcher
    val unconfined: CoroutineDispatcher
}

class DefaultDispatcherProvider(
    override val ui: CoroutineDispatcher = Dispatchers.Main,
    override val default: CoroutineDispatcher = Dispatchers.Default,

CostaFot

  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        viewModelpost.stateData.observe(viewLifecycleOwner, Observer { state ->
            when (state) {
                State.Loading -> button.text = "Loading"
                is State.Post -> button.text = state.text
            }
        })

CostaFot

 fun getRedditPost() {
        viewModelScope.launch(Dispatchers.Main) {
            stateData.value = State.Loading
            val post: State.Post = redditRepository.getPost()
            stateData.value = post
        }
    }