├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── coroutines ├── .gitignore ├── build.gradle └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── it │ │ └── codingjam │ │ └── coroutines │ │ ├── MainActivity.kt │ │ ├── SimpleExampleViewModel.kt │ │ ├── StackOverflowService.kt │ │ ├── TokenHolder.kt │ │ ├── TokenHolder1.kt │ │ ├── ViewModel1.kt │ │ ├── ViewModel2.kt │ │ ├── ViewModel3.kt │ │ ├── ViewModel4.kt │ │ ├── ViewModel5.kt │ │ ├── ViewModel6.kt │ │ └── utils │ │ ├── LiveDataDelegate.kt │ │ ├── LiveDataObservable.kt │ │ ├── Logs.kt │ │ └── ViewModelDelegate.kt │ └── res │ ├── drawable-v24 │ └── ic_launcher_foreground.xml │ ├── drawable │ └── ic_launcher_background.xml │ ├── layout │ └── activity_main.xml │ ├── mipmap-anydpi-v26 │ ├── ic_launcher.xml │ └── ic_launcher_round.xml │ ├── mipmap-hdpi │ ├── ic_launcher.png │ └── ic_launcher_round.png │ ├── mipmap-mdpi │ ├── ic_launcher.png │ └── ic_launcher_round.png │ ├── mipmap-xhdpi │ ├── ic_launcher.png │ └── ic_launcher_round.png │ ├── mipmap-xxhdpi │ ├── ic_launcher.png │ └── ic_launcher_round.png │ ├── mipmap-xxxhdpi │ ├── ic_launcher.png │ └── ic_launcher_round.png │ └── values │ ├── colors.xml │ ├── strings.xml │ └── styles.xml ├── data ├── data.json └── login.json ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/* 5 | .DS_Store 6 | /build 7 | /captures 8 | .externalNativeBuild 9 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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-------------------------------------------------------------------------------- 1 | # Coroutines Demo 2 | Demo project for the blog post [Async code using Kotlin Coroutines](https://medium.com/@fabioCollini/async-code-using-kotlin-coroutines-233d201099ff) 3 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | ext.kotlin_version = '1.3.11' 5 | repositories { 6 | google() 7 | jcenter() 8 | } 9 | dependencies { 10 | classpath 'com.android.tools.build:gradle:3.2.1' 11 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 12 | 13 | // NOTE: Do not place your application dependencies here; they belong 14 | // in the individual module build.gradle files 15 | } 16 | } 17 | 18 | allprojects { 19 | repositories { 20 | google() 21 | jcenter() 22 | maven { url "https://jitpack.io" } 23 | } 24 | } 25 | 26 | task clean(type: Delete) { 27 | delete rootProject.buildDir 28 | } 29 | -------------------------------------------------------------------------------- /coroutines/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /coroutines/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | apply plugin: 'kotlin-android' 4 | 5 | apply plugin: 'kotlin-android-extensions' 6 | 7 | android { 8 | compileSdkVersion 28 9 | defaultConfig { 10 | applicationId "it.codingjam.coroutines" 11 | minSdkVersion 16 12 | targetSdkVersion 28 13 | versionCode 1 14 | versionName "1.0" 15 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 16 | } 17 | buildTypes { 18 | release { 19 | minifyEnabled false 20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 21 | } 22 | } 23 | } 24 | 25 | dependencies { 26 | implementation 'androidx.appcompat:appcompat:1.1.0-alpha01' 27 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 28 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.1.0" 29 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.0" 30 | implementation 'com.github.nalulabs.prefs-delegates:prefs-delegates:0.1' 31 | 32 | implementation 'com.jakewharton.retrofit:retrofit2-kotlin-coroutines-adapter:0.9.2' 33 | 34 | implementation 'com.squareup.retrofit2:retrofit:2.4.0' 35 | implementation 'com.squareup.retrofit2:converter-gson:2.3.0' 36 | implementation 'com.squareup.okhttp3:logging-interceptor:3.11.0' 37 | 38 | implementation 'androidx.lifecycle:lifecycle-runtime:2.1.0-alpha01' 39 | implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0-alpha01' 40 | implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.1.0-alpha01' 41 | } 42 | -------------------------------------------------------------------------------- /coroutines/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import android.os.Bundle 4 | import android.preference.PreferenceManager 5 | import androidx.appcompat.app.AppCompatActivity 6 | import com.google.gson.GsonBuilder 7 | import com.jakewharton.retrofit2.adapter.kotlin.coroutines.CoroutineCallAdapterFactory 8 | import it.codingjam.coroutines.utils.viewModel 9 | import kotlinx.android.synthetic.main.activity_main.* 10 | import okhttp3.OkHttpClient 11 | import okhttp3.logging.HttpLoggingInterceptor 12 | import retrofit2.CallAdapter 13 | import retrofit2.Retrofit 14 | import retrofit2.converter.gson.GsonConverterFactory 15 | 16 | class MainActivity : AppCompatActivity() { 17 | 18 | private val viewModel by viewModel(this) { 19 | ViewModel6( 20 | TokenHolder(PreferenceManager.getDefaultSharedPreferences(applicationContext)), 21 | createApi(CoroutineCallAdapterFactory()) 22 | ).also { it.load() } 23 | } 24 | 25 | override fun onCreate(savedInstanceState: Bundle?) { 26 | super.onCreate(savedInstanceState) 27 | setContentView(R.layout.activity_main) 28 | 29 | viewModel.liveDataDelegate.observe(this) { 30 | text.text = it 31 | } 32 | } 33 | 34 | fun createApi(callAdapter: CallAdapter.Factory): StackOverflowService { 35 | val okHttpClient = OkHttpClient.Builder() 36 | .addInterceptor(HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BASIC)) 37 | .build() 38 | 39 | return Retrofit.Builder() 40 | .baseUrl("https://raw.githubusercontent.com/") 41 | .addCallAdapterFactory(callAdapter) 42 | .client(okHttpClient) 43 | .addConverterFactory(GsonConverterFactory.create(GsonBuilder().create())) 44 | .build().create(StackOverflowService::class.java) 45 | } 46 | 47 | } 48 | -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/SimpleExampleViewModel.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.* 7 | 8 | class SimpleExampleViewModel( 9 | private val tokenHolder: TokenHolder, 10 | private val api: StackOverflowService 11 | ) : ViewModel() { 12 | 13 | val liveDataDelegate = LiveDataDelegate("") 14 | 15 | var state by liveDataDelegate 16 | 17 | private val job = Job() 18 | 19 | fun load() { 20 | // launch(UI + job) { 21 | // try { 22 | // log("start") 23 | // val token = api.login().await().token 24 | // log("where am I?") 25 | // val data = api.loadData(token).await() 26 | // updateUi(data) 27 | // } catch (e: Exception) { 28 | // updateUi(e.toString()) 29 | // } 30 | // } 31 | GlobalScope.launch(Dispatchers.Main + job) { 32 | try { 33 | log("start") 34 | val token = api.login().await().token 35 | log("where am I?") 36 | val data = api.loadData(token).await() 37 | updateUi(data) 38 | } catch (e: Exception) { 39 | updateUi(e.toString()) 40 | } 41 | } 42 | } 43 | 44 | private suspend fun updateUi(s: Any) { 45 | withContext(Dispatchers.Main) { 46 | log("updateUi") 47 | state = s.toString() 48 | } 49 | } 50 | 51 | 52 | override fun onCleared() { 53 | job.cancel() 54 | } 55 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/StackOverflowService.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import kotlinx.coroutines.Deferred 4 | import retrofit2.http.GET 5 | import retrofit2.http.Query 6 | 7 | data class LoginResponse(var token: String) 8 | 9 | data class MyData(var data: String) 10 | 11 | interface StackOverflowService { 12 | 13 | @GET("/fabioCollini/CoroutinesDemo/master/data/login.json") 14 | fun login(): Deferred 15 | 16 | @GET("/fabioCollini/CoroutinesDemo/master/data/data.json") 17 | fun loadData(@Query("token") token: String): Deferred 18 | } 19 | -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/TokenHolder.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import android.content.SharedPreferences 4 | import com.nalulabs.prefs.string 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.Dispatchers 7 | import kotlinx.coroutines.withContext 8 | 9 | class TokenHolder(prefs: SharedPreferences) { 10 | 11 | private var token by prefs.string() 12 | 13 | suspend fun loadToken(): String { 14 | return withContext(Dispatchers.IO) { 15 | log("loadToken") 16 | token 17 | } 18 | } 19 | 20 | suspend fun saveToken(newToken: String) { 21 | withContext(Dispatchers.IO) { 22 | log("saveToken") 23 | token = newToken 24 | } 25 | } 26 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/TokenHolder1.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import android.content.SharedPreferences 4 | import com.nalulabs.prefs.string 5 | import it.codingjam.coroutines.utils.log 6 | 7 | class TokenHolder1(prefs: SharedPreferences) { 8 | 9 | private var token by prefs.string() 10 | 11 | fun loadToken(): String { 12 | log("loadToken") 13 | return token 14 | } 15 | 16 | fun saveToken(token: String) { 17 | log("saveToken") 18 | this.token = token 19 | } 20 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel1.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.* 7 | 8 | class ViewModel1( 9 | private val tokenHolder: TokenHolder, 10 | private val api: StackOverflowService 11 | ) : ViewModel(), CoroutineScope { 12 | 13 | val liveDataDelegate = LiveDataDelegate("") 14 | 15 | var state by liveDataDelegate 16 | 17 | private val job = Job() 18 | 19 | override val coroutineContext = job + Dispatchers.Main 20 | 21 | fun load() { 22 | launch { 23 | log("start") 24 | try { 25 | var token = async(Dispatchers.IO) { tokenHolder.loadToken() }.await() 26 | if (token.isEmpty()) { 27 | updateUi("Logging in") 28 | token = api.login().await().token 29 | log("where am I?") 30 | async(Dispatchers.IO) { tokenHolder.saveToken(token) }.await() 31 | } 32 | 33 | updateUi("Loading data") 34 | 35 | val data = api.loadData(token).await() 36 | 37 | updateUi(data) 38 | } catch (e: Exception) { 39 | updateUi(e.toString()) 40 | } 41 | } 42 | } 43 | 44 | private fun updateUi(s: Any) { 45 | log("updateUi") 46 | state = s.toString() 47 | } 48 | 49 | override fun onCleared() { 50 | job.cancel() 51 | } 52 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel2.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.* 7 | 8 | class ViewModel2( 9 | private val tokenHolder: TokenHolder, 10 | private val api: StackOverflowService 11 | ) : ViewModel(), CoroutineScope { 12 | 13 | val liveDataDelegate = LiveDataDelegate("") 14 | 15 | var state by liveDataDelegate 16 | 17 | private val job = Job() 18 | 19 | override val coroutineContext = job + Dispatchers.Main 20 | 21 | fun load() { 22 | launch { 23 | log("start") 24 | try { 25 | var token = withContext(Dispatchers.IO) { tokenHolder.loadToken() } 26 | if (token.isEmpty()) { 27 | updateUi("Logging in") 28 | token = api.login().await().token 29 | log("where am I?") 30 | withContext(Dispatchers.IO) { tokenHolder.saveToken(token) } 31 | } 32 | 33 | updateUi("Loading data") 34 | 35 | val data = api.loadData(token).await() 36 | 37 | updateUi(data) 38 | } catch (e: Exception) { 39 | updateUi(e.toString()) 40 | } 41 | } 42 | } 43 | 44 | private fun updateUi(s: Any) { 45 | log("updateUi") 46 | state = s.toString() 47 | } 48 | 49 | 50 | override fun onCleared() { 51 | job.cancel() 52 | } 53 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel3.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.CoroutineScope 7 | import kotlinx.coroutines.Dispatchers 8 | import kotlinx.coroutines.Job 9 | import kotlinx.coroutines.launch 10 | 11 | class ViewModel3( 12 | private val tokenHolder: TokenHolder, 13 | private val api: StackOverflowService 14 | ) : ViewModel(), CoroutineScope { 15 | 16 | val liveDataDelegate = LiveDataDelegate("") 17 | 18 | var state by liveDataDelegate 19 | 20 | private val job = Job() 21 | 22 | override val coroutineContext = job + Dispatchers.Main 23 | 24 | fun load() { 25 | launch { 26 | try { 27 | log("start") 28 | var token = tokenHolder.loadToken() 29 | if (token.isEmpty()) { 30 | updateUi("Logging in") 31 | token = api.login().await().token 32 | log("where am I?") 33 | tokenHolder.saveToken(token) 34 | } 35 | 36 | updateUi("Loading data") 37 | 38 | val data = api.loadData(token).await() 39 | 40 | updateUi(data) 41 | } catch (e: Exception) { 42 | updateUi(e.toString()) 43 | } 44 | } 45 | } 46 | 47 | private fun updateUi(s: Any) { 48 | log("updateUi") 49 | state = s.toString() 50 | } 51 | 52 | 53 | override fun onCleared() { 54 | job.cancel() 55 | } 56 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel4.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.* 7 | 8 | class ViewModel4( 9 | private val tokenHolder: TokenHolder, 10 | private val api: StackOverflowService 11 | ) : ViewModel(), CoroutineScope { 12 | 13 | val liveDataDelegate = LiveDataDelegate("") 14 | 15 | var state by liveDataDelegate 16 | 17 | private val job = Job() 18 | 19 | override val coroutineContext = job + Dispatchers.IO 20 | 21 | fun load() { 22 | launch { 23 | try { 24 | log("start") 25 | var token = tokenHolder.loadToken() 26 | if (token.isEmpty()) { 27 | withContext(Dispatchers.Main) { updateUi("Logging in") } 28 | token = api.login().await().token 29 | log("where am I?") 30 | tokenHolder.saveToken(token) 31 | } 32 | 33 | withContext(Dispatchers.Main) { updateUi("Loading data") } 34 | 35 | val data = api.loadData(token).await() 36 | 37 | withContext(Dispatchers.Main) { updateUi(data) } 38 | } catch (e: Exception) { 39 | withContext(Dispatchers.Main) { updateUi(e.toString()) } 40 | } 41 | } 42 | } 43 | 44 | private fun updateUi(s: Any) { 45 | log("updateUi") 46 | state = s.toString() 47 | } 48 | 49 | 50 | override fun onCleared() { 51 | job.cancel() 52 | } 53 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel5.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import it.codingjam.coroutines.utils.LiveDataDelegate 5 | import it.codingjam.coroutines.utils.log 6 | import kotlinx.coroutines.* 7 | 8 | class ViewModel5( 9 | private val tokenHolder: TokenHolder, 10 | private val api: StackOverflowService 11 | ) : ViewModel(), CoroutineScope { 12 | 13 | val liveDataDelegate = LiveDataDelegate("") 14 | 15 | var state by liveDataDelegate 16 | 17 | private val job = Job() 18 | 19 | override val coroutineContext = job + Dispatchers.IO 20 | 21 | fun load() { 22 | launch { 23 | try { 24 | var token = tokenHolder.loadToken() 25 | if (token.isEmpty()) { 26 | updateUi("Logging in") 27 | token = api.login().await().token 28 | tokenHolder.saveToken(token) 29 | } 30 | 31 | updateUi("Loading data") 32 | 33 | val data = api.loadData(token).await() 34 | 35 | updateUi(data) 36 | } catch (e: Exception) { 37 | updateUi(e.toString()) 38 | } 39 | } 40 | } 41 | 42 | private suspend fun updateUi(s: Any) { 43 | withContext(Dispatchers.Main) { 44 | log("updateUi") 45 | state = s.toString() 46 | } 47 | } 48 | 49 | override fun onCleared() { 50 | job.cancel() 51 | } 52 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/ViewModel6.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.viewModelScope 5 | import it.codingjam.coroutines.utils.LiveDataDelegate 6 | import it.codingjam.coroutines.utils.log 7 | import kotlinx.coroutines.Dispatchers 8 | import kotlinx.coroutines.launch 9 | import kotlinx.coroutines.withContext 10 | 11 | class ViewModel6( 12 | private val tokenHolder: TokenHolder, 13 | private val api: StackOverflowService 14 | ) : ViewModel() { 15 | 16 | val liveDataDelegate = LiveDataDelegate("") 17 | 18 | var state by liveDataDelegate 19 | 20 | fun load() { 21 | viewModelScope.launch { 22 | try { 23 | var token = tokenHolder.loadToken() 24 | if (token.isEmpty()) { 25 | updateUi("Logging in") 26 | withContext(Dispatchers.IO) { 27 | token = api.login().await().token 28 | tokenHolder.saveToken(token) 29 | } 30 | } 31 | 32 | updateUi("Loading data") 33 | 34 | val data = api.loadData(token).await() 35 | 36 | updateUi(data) 37 | } catch (e: Exception) { 38 | updateUi(e.toString()) 39 | } 40 | } 41 | } 42 | 43 | private fun updateUi(s: Any) { 44 | log("updateUi") 45 | state = s.toString() 46 | } 47 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/utils/LiveDataDelegate.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines.utils 2 | 3 | 4 | import androidx.lifecycle.LifecycleOwner 5 | import androidx.lifecycle.MutableLiveData 6 | import androidx.lifecycle.Observer 7 | import kotlin.reflect.KProperty 8 | 9 | class LiveDataDelegate( 10 | initialState: T, 11 | private val liveData: MutableLiveData = MutableLiveData() 12 | ) : LiveDataObservable { 13 | 14 | init { 15 | liveData.value = initialState 16 | } 17 | 18 | override fun observe(owner: LifecycleOwner, observer: (T) -> Unit) = 19 | liveData.observe(owner, Observer { observer(it!!) }) 20 | 21 | override fun observeForever(observer: (T) -> Unit) = 22 | liveData.observeForever { observer(it!!) } 23 | 24 | operator fun setValue(ref: Any, p: KProperty<*>, value: T) { 25 | liveData.value = value 26 | } 27 | 28 | operator fun getValue(ref: Any, p: KProperty<*>): T = 29 | liveData.value!! 30 | } 31 | -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/utils/LiveDataObservable.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines.utils 2 | 3 | import androidx.lifecycle.LifecycleOwner 4 | 5 | interface LiveDataObservable { 6 | 7 | fun observe(owner: LifecycleOwner, observer: (T) -> Unit) 8 | 9 | fun observeForever(observer: (T) -> Unit) 10 | } -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/utils/Logs.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines.utils 2 | 3 | fun log(msg: String) = println("[${Thread.currentThread().name}] $msg") 4 | -------------------------------------------------------------------------------- /coroutines/src/main/java/it/codingjam/coroutines/utils/ViewModelDelegate.kt: -------------------------------------------------------------------------------- 1 | package it.codingjam.coroutines.utils 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import androidx.lifecycle.ViewModelProviders 6 | 7 | inline fun viewModel(activity: androidx.fragment.app.FragmentActivity, crossinline factory: () -> VM): Lazy { 8 | return lazy { 9 | ViewModelProviders.of(activity, object : ViewModelProvider.Factory { 10 | override fun create(modelClass: Class): T { 11 | return factory() as T 12 | } 13 | }).get(VM::class.java) 14 | } 15 | } -------------------------------------------------------------------------------- /coroutines/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /coroutines/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 11 | 16 | 21 | 26 | 31 | 36 | 41 | 46 | 51 | 56 | 61 | 66 | 71 | 76 | 81 | 86 | 91 | 96 | 101 | 106 | 111 | 116 | 121 | 126 | 131 | 136 | 141 | 146 | 151 | 156 | 161 | 166 | 171 | 172 | -------------------------------------------------------------------------------- /coroutines/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 17 | 18 | -------------------------------------------------------------------------------- /coroutines/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: 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/coroutines/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /data/data.json: -------------------------------------------------------------------------------- 1 | { 2 | "data": "def" 3 | } -------------------------------------------------------------------------------- /data/login.json: -------------------------------------------------------------------------------- 1 | { 2 | "token": "ABC" 3 | } -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | android.enableJetifier=true 10 | android.useAndroidX=true 11 | org.gradle.jvmargs=-Xmx1536m 12 | # When configured, Gradle will run in incubating parallel mode. 13 | # This option should only be used with decoupled projects. More details, visit 14 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 15 | # org.gradle.parallel=true 16 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fabioCollini/CoroutinesDemo/2609b166203a79eccb19d32edbc5c7b3cd39265d/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sun Apr 29 19:23:16 CEST 2018 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include 'coroutines' 2 | --------------------------------------------------------------------------------