├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── styles.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 │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── layout │ │ │ │ ├── activity_main.xml │ │ │ │ └── item_layout.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── mindorks │ │ │ │ └── retrofit │ │ │ │ └── coroutines │ │ │ │ ├── utils │ │ │ │ ├── Status.kt │ │ │ │ └── Resource.kt │ │ │ │ ├── data │ │ │ │ ├── api │ │ │ │ │ ├── ApiHelper.kt │ │ │ │ │ ├── ApiService.kt │ │ │ │ │ └── RetrofitBuilder.kt │ │ │ │ ├── model │ │ │ │ │ └── User.kt │ │ │ │ └── repository │ │ │ │ │ └── MainRepository.kt │ │ │ │ └── ui │ │ │ │ ├── base │ │ │ │ └── ViewModelFactory.kt │ │ │ │ └── main │ │ │ │ ├── viewmodel │ │ │ │ └── MainViewModel.kt │ │ │ │ ├── adapter │ │ │ │ └── MainAdapter.kt │ │ │ │ └── view │ │ │ │ └── MainActivity.kt │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── mindorks │ │ │ └── retrofit │ │ │ └── coroutines │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── mindorks │ │ └── retrofit │ │ └── coroutines │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── assets ├── retrofit-coroutines-suspend.png ├── retrofit-kotlin-coroutines-banner.png └── retofit-coroutines-package-structure.png ├── .gitignore ├── gradle.properties ├── gradlew.bat ├── README.md └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name='Retrofit-Kotlin-Coroutines-Example' 2 | include ':app' 3 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Retrofit-Kotlin-Coroutines-Example 3 | 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- https://raw.githubusercontent.com/MindorksOpenSource/Retrofit-Kotlin-Coroutines-Example/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/data/api/ApiHelper.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.data.api 2 | 3 | class ApiHelper(private val apiService: ApiService) { 4 | 5 | suspend fun getUsers() = apiService.getUsers() 6 | } -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/data/model/User.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.data.model 2 | 3 | data class User( 4 | val avatar: String, 5 | val email: String, 6 | val id: String, 7 | val name: String 8 | ) -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #6200EE 4 | #3700B3 5 | #03DAC5 6 | 7 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sun Apr 12 13:49:35 IST 2020 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-5.6.4-all.zip 7 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea 5 | /.idea/caches 6 | /.idea/libraries 7 | /.idea/modules.xml 8 | /.idea/workspace.xml 9 | /.idea/navEditor.xml 10 | /.idea/assetWizardSettings.xml 11 | .DS_Store 12 | /build 13 | /captures 14 | .externalNativeBuild 15 | .cxx 16 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/data/api/ApiService.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.data.api 2 | 3 | import com.mindorks.retrofit.coroutines.data.model.User 4 | import retrofit2.http.GET 5 | 6 | interface ApiService { 7 | 8 | @GET("users") 9 | suspend fun getUsers(): List 10 | 11 | } -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/data/repository/MainRepository.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.data.repository 2 | 3 | import com.mindorks.retrofit.coroutines.data.api.ApiHelper 4 | 5 | class MainRepository(private val apiHelper: ApiHelper) { 6 | 7 | suspend fun getUsers() = apiHelper.getUsers() 8 | } -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/mindorks/retrofit/coroutines/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | 14 | @Test 15 | fun addition_isCorrect() { 16 | assertEquals(4, 2 + 2) 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/data/api/RetrofitBuilder.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.data.api 2 | 3 | import retrofit2.Retrofit 4 | import retrofit2.converter.gson.GsonConverterFactory 5 | 6 | object RetrofitBuilder { 7 | 8 | private const val BASE_URL = "https://5e510330f2c0d300147c034c.mockapi.io/" 9 | 10 | private fun getRetrofit(): Retrofit { 11 | return Retrofit.Builder() 12 | .baseUrl(BASE_URL) 13 | .addConverterFactory(GsonConverterFactory.create()) 14 | .build() 15 | } 16 | 17 | val apiService: ApiService = getRetrofit().create(ApiService::class.java) 18 | } -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/utils/Resource.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.utils 2 | 3 | import com.mindorks.retrofit.coroutines.utils.Status.ERROR 4 | import com.mindorks.retrofit.coroutines.utils.Status.LOADING 5 | import com.mindorks.retrofit.coroutines.utils.Status.SUCCESS 6 | 7 | 8 | data class Resource(val status: Status, val data: T?, val message: String?) { 9 | companion object { 10 | fun success(data: T): Resource = Resource(status = SUCCESS, data = data, message = null) 11 | 12 | fun error(data: T?, message: String): Resource = 13 | Resource(status = ERROR, data = data, message = message) 14 | 15 | fun loading(data: T?): Resource = Resource(status = LOADING, data = data, message = null) 16 | } 17 | } -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/ui/base/ViewModelFactory.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.ui.base 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import com.mindorks.retrofit.coroutines.data.api.ApiHelper 6 | import com.mindorks.retrofit.coroutines.data.repository.MainRepository 7 | import com.mindorks.retrofit.coroutines.ui.main.viewmodel.MainViewModel 8 | 9 | class ViewModelFactory(private val apiHelper: ApiHelper) : ViewModelProvider.Factory { 10 | 11 | override fun create(modelClass: Class): T { 12 | if (modelClass.isAssignableFrom(MainViewModel::class.java)) { 13 | return MainViewModel(MainRepository(apiHelper)) as T 14 | } 15 | throw IllegalArgumentException("Unknown class name") 16 | } 17 | 18 | } 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/ui/main/viewmodel/MainViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.ui.main.viewmodel 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.liveData 5 | import com.mindorks.retrofit.coroutines.data.repository.MainRepository 6 | import com.mindorks.retrofit.coroutines.utils.Resource 7 | import kotlinx.coroutines.Dispatchers 8 | 9 | 10 | class MainViewModel(private val mainRepository: MainRepository) : ViewModel() { 11 | 12 | fun getUsers() = liveData(Dispatchers.IO) { 13 | emit(Resource.loading(data = null)) 14 | try { 15 | emit(Resource.success(data = mainRepository.getUsers())) 16 | } catch (exception: Exception) { 17 | emit(Resource.error(data = null, message = exception.message ?: "Error Occurred!")) 18 | } 19 | } 20 | } -------------------------------------------------------------------------------- /app/src/androidTest/java/com/mindorks/retrofit/coroutines/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | 19 | @Test 20 | fun useAppContext() { 21 | // Context of the app under test. 22 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 23 | assertEquals("com.mindorks.mvvm.retrofit.coroutines", appContext.packageName) 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 14 | 15 | 23 | 24 | -------------------------------------------------------------------------------- /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 | org.gradle.jvmargs=-Xmx1536m 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app's APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Automatically convert third-party libraries to use AndroidX 19 | android.enableJetifier=true 20 | # Kotlin code style for this project: "official" or "obsolete": 21 | kotlin.code.style=official 22 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /app/src/main/res/layout/item_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 18 | 19 | 30 | 31 | 39 | 40 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/ui/main/adapter/MainAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.ui.main.adapter 2 | 3 | import android.view.LayoutInflater 4 | import android.view.View 5 | import android.view.ViewGroup 6 | import androidx.recyclerview.widget.RecyclerView 7 | import com.bumptech.glide.Glide 8 | import com.mindorks.retrofit.coroutines.R 9 | import com.mindorks.retrofit.coroutines.data.model.User 10 | import com.mindorks.retrofit.coroutines.ui.main.adapter.MainAdapter.DataViewHolder 11 | import kotlinx.android.synthetic.main.item_layout.view.imageViewAvatar 12 | import kotlinx.android.synthetic.main.item_layout.view.textViewUserEmail 13 | import kotlinx.android.synthetic.main.item_layout.view.textViewUserName 14 | 15 | class MainAdapter(private val users: ArrayList) : RecyclerView.Adapter() { 16 | 17 | class DataViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) { 18 | 19 | fun bind(user: User) { 20 | itemView.apply { 21 | textViewUserName.text = user.name 22 | textViewUserEmail.text = user.email 23 | Glide.with(imageViewAvatar.context) 24 | .load(user.avatar) 25 | .into(imageViewAvatar) 26 | } 27 | } 28 | } 29 | 30 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): DataViewHolder = 31 | DataViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_layout, parent, false)) 32 | 33 | override fun getItemCount(): Int = users.size 34 | 35 | override fun onBindViewHolder(holder: DataViewHolder, position: Int) { 36 | holder.bind(users[position]) 37 | } 38 | 39 | fun addUsers(users: List) { 40 | this.users.apply { 41 | clear() 42 | addAll(users) 43 | } 44 | 45 | } 46 | } -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'kotlin-android' 3 | apply plugin: 'kotlin-android-extensions' 4 | 5 | android { 6 | compileSdkVersion 29 7 | buildToolsVersion "29.0.2" 8 | 9 | defaultConfig { 10 | applicationId "com.mindorks.retrofit.coroutines" 11 | minSdkVersion 21 12 | targetSdkVersion 29 13 | versionCode 1 14 | versionName "1.0" 15 | 16 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 17 | } 18 | 19 | buildTypes { 20 | release { 21 | minifyEnabled false 22 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 23 | } 24 | } 25 | 26 | } 27 | 28 | dependencies { 29 | implementation fileTree(dir: 'libs', include: ['*.jar']) 30 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 31 | implementation 'androidx.appcompat:appcompat:1.1.0' 32 | implementation 'androidx.core:core-ktx:1.2.0' 33 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 34 | 35 | implementation 'androidx.recyclerview:recyclerview:1.1.0' 36 | implementation 'com.github.bumptech.glide:glide:4.9.0' 37 | 38 | //LifeCycle 39 | implementation 'androidx.lifecycle:lifecycle-common:2.2.0' 40 | implementation 'androidx.lifecycle:lifecycle-runtime:2.2.0' 41 | implementation 'android.arch.lifecycle:extensions:2.2.0' 42 | implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.2.0' 43 | 44 | //Retrofit 45 | implementation 'com.squareup.retrofit2:retrofit:2.6.0' 46 | implementation 'com.google.code.gson:gson:2.8.5' 47 | implementation 'com.squareup.retrofit2:converter-gson:2.5.0' 48 | implementation 'com.squareup.okhttp3:logging-interceptor:3.12.0' 49 | 50 | //Coroutines 51 | implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.5' 52 | 53 | testImplementation 'junit:junit:4.12' 54 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 55 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 56 | } 57 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Using Retrofit with Kotlin Coroutines in Android: Sample App 2 | [![MindOrks](https://img.shields.io/badge/mindorks-opensource-blue.svg)](https://mindorks.com/open-source-projects) 3 | [![MindOrks Community](https://img.shields.io/badge/join-community-blue.svg)](https://mindorks.com/join-community) 4 | 5 | This repository contains a sample app that implements MVVM architecture using Kotlin, ViewModel, Retrofit, Coroutines and etc. 6 |

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21 | 22 | ### Concept reference resources - [ Using Retrofit with Kotlin Coroutines in Android](https://blog.mindorks.com/using-retrofit-with-kotlin-coroutines-in-android) 23 | 24 | #### The app has following packages: 25 | 1. **data**: It contains all the data accessing and manipulating components. 26 | 3. **ui**: View classes along with their corresponding ViewModel. 27 | 4. **utils**: Utility classes. 28 | 29 | ### Reference resources: 30 | 1. Coroutines: [Check here](https://blog.mindorks.com/mastering-kotlin-coroutines-in-android-step-by-step-guide) 31 | 32 | ## Explore Android Online Tutorials and Courses To Learn More by MindOrks 33 | * [Ride-Sharing Uber Lyft Android App](https://github.com/MindorksOpenSource/ridesharing-uber-lyft-app) - Learn to build a ride-sharing Android Taxi Clone App like Uber, Lyft - Open-Source Project By MindOrks 34 | * [Android Tutorials](https://mindorks.com/android-tutorial) All Free Android Tutorials by MindOrks 35 | * [Android Online Course for Professionals](https://bootcamp.mindorks.com/) - In this online course, you’ll learn the Dagger, Kotlin, RxJava, MVVM Architecture, Architecture Components, Jetpack, LiveData, ViewModel, Room Database, Database Design, Multithreading, Memory Management, Networking, Caching, How Glide works, Unit Testing, and the best practices for Android Development. By the end of this online course, you will have all the skills you need to become a professional Android Developer. 36 | * [Android Online Course for Beginners](https://bootcamp.mindorks.com/android-training-for-beginners) - This course is for beginners for those who want to get started with Android Development. In this course, you will build two apps: TodoNotes and Ride-Sharing Uber Android App. 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/java/com/mindorks/retrofit/coroutines/ui/main/view/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.mindorks.retrofit.coroutines.ui.main.view 2 | 3 | import android.os.Bundle 4 | import android.view.View 5 | import android.widget.Toast 6 | import androidx.appcompat.app.AppCompatActivity 7 | import androidx.lifecycle.Observer 8 | import androidx.lifecycle.ViewModelProviders 9 | import androidx.recyclerview.widget.DividerItemDecoration 10 | import androidx.recyclerview.widget.LinearLayoutManager 11 | import com.mindorks.retrofit.coroutines.R.* 12 | import com.mindorks.retrofit.coroutines.data.api.ApiHelper 13 | import com.mindorks.retrofit.coroutines.data.api.RetrofitBuilder 14 | import com.mindorks.retrofit.coroutines.data.model.User 15 | import com.mindorks.retrofit.coroutines.ui.base.ViewModelFactory 16 | import com.mindorks.retrofit.coroutines.ui.main.adapter.MainAdapter 17 | import com.mindorks.retrofit.coroutines.ui.main.viewmodel.MainViewModel 18 | import com.mindorks.retrofit.coroutines.utils.Status.ERROR 19 | import com.mindorks.retrofit.coroutines.utils.Status.LOADING 20 | import com.mindorks.retrofit.coroutines.utils.Status.SUCCESS 21 | import kotlinx.android.synthetic.main.activity_main.progressBar 22 | import kotlinx.android.synthetic.main.activity_main.recyclerView 23 | 24 | class MainActivity : AppCompatActivity() { 25 | 26 | private lateinit var viewModel: MainViewModel 27 | private lateinit var adapter: MainAdapter 28 | 29 | override fun onCreate(savedInstanceState: Bundle?) { 30 | super.onCreate(savedInstanceState) 31 | setContentView(layout.activity_main) 32 | setupViewModel() 33 | setupUI() 34 | setupObservers() 35 | } 36 | 37 | 38 | private fun setupViewModel() { 39 | viewModel = ViewModelProviders.of( 40 | this, 41 | ViewModelFactory(ApiHelper(RetrofitBuilder.apiService)) 42 | ).get(MainViewModel::class.java) 43 | } 44 | 45 | private fun setupUI() { 46 | recyclerView.layoutManager = LinearLayoutManager(this) 47 | adapter = MainAdapter(arrayListOf()) 48 | recyclerView.addItemDecoration( 49 | DividerItemDecoration( 50 | recyclerView.context, 51 | (recyclerView.layoutManager as LinearLayoutManager).orientation 52 | ) 53 | ) 54 | recyclerView.adapter = adapter 55 | } 56 | 57 | private fun setupObservers() { 58 | viewModel.getUsers().observe(this, Observer { 59 | it?.let { resource -> 60 | when (resource.status) { 61 | SUCCESS -> { 62 | recyclerView.visibility = View.VISIBLE 63 | progressBar.visibility = View.GONE 64 | resource.data?.let { users -> retrieveList(users) } 65 | } 66 | ERROR -> { 67 | recyclerView.visibility = View.VISIBLE 68 | progressBar.visibility = View.GONE 69 | Toast.makeText(this, it.message, Toast.LENGTH_LONG).show() 70 | } 71 | LOADING -> { 72 | progressBar.visibility = View.VISIBLE 73 | recyclerView.visibility = View.GONE 74 | } 75 | } 76 | } 77 | }) 78 | } 79 | 80 | private fun retrieveList(users: List) { 81 | adapter.apply { 82 | addUsers(users) 83 | notifyDataSetChanged() 84 | } 85 | } 86 | } 87 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | --------------------------------------------------------------------------------