├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── mipmap-hdpi │ │ │ │ ├── ic_launcher.webp │ │ │ │ └── ic_launcher_round.webp │ │ │ ├── mipmap-mdpi │ │ │ │ ├── ic_launcher.webp │ │ │ │ └── ic_launcher_round.webp │ │ │ ├── mipmap-xhdpi │ │ │ │ ├── ic_launcher.webp │ │ │ │ └── ic_launcher_round.webp │ │ │ ├── mipmap-xxhdpi │ │ │ │ ├── ic_launcher.webp │ │ │ │ └── ic_launcher_round.webp │ │ │ ├── mipmap-xxxhdpi │ │ │ │ ├── ic_launcher.webp │ │ │ │ └── ic_launcher_round.webp │ │ │ ├── values │ │ │ │ ├── dimens.xml │ │ │ │ ├── colors.xml │ │ │ │ ├── strings.xml │ │ │ │ └── themes.xml │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── values-night │ │ │ │ └── themes.xml │ │ │ ├── layout │ │ │ │ └── view_random_photos.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── dev │ │ │ │ └── baseio │ │ │ │ └── efoundation │ │ │ │ ├── Constants.kt │ │ │ │ ├── EFApp.kt │ │ │ │ ├── domain │ │ │ │ ├── repositories │ │ │ │ │ ├── RandomFileService.kt │ │ │ │ │ ├── PhotoFetchListener.kt │ │ │ │ │ └── PhotoFetchRepository.kt │ │ │ │ ├── StreamingFile.kt │ │ │ │ └── usecases │ │ │ │ │ └── BaseUseCase.kt │ │ │ │ ├── data │ │ │ │ ├── repositories │ │ │ │ │ ├── RandomFileServiceImpl.kt │ │ │ │ │ └── PicSumPhotoFetchRepositoryImpl.kt │ │ │ │ └── NetworkClient.kt │ │ │ │ ├── di │ │ │ │ └── RandomPhotosModule.kt │ │ │ │ ├── FetchRandomPhotoUseCase.kt │ │ │ │ ├── RandomViewModel.kt │ │ │ │ └── MainActivity.kt │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── dev │ │ │ └── baseio │ │ │ └── efoundation │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── dev │ │ └── baseio │ │ └── efoundation │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── .idea ├── .gitignore ├── compiler.xml ├── vcs.xml ├── misc.xml └── gradle.xml ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── settings.gradle ├── gradle.properties ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-hdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-mdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/Constants.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 2 | 3 | const val PIC_SUM_URL = "https://picsum.photos/200" -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/oianmol/efound/master/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 200dp 4 | 8dp 5 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/EFApp.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 2 | 3 | import android.app.Application 4 | import dagger.hilt.android.HiltAndroidApp 5 | 6 | @HiltAndroidApp 7 | class EFApp : Application() { 8 | } -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/domain/repositories/RandomFileService.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.domain.repositories 2 | 3 | import java.io.File 4 | 5 | interface RandomFileService { 6 | fun getTempFile(): File 7 | } 8 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/domain/StreamingFile.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.domain 2 | 3 | import java.io.File 4 | 5 | data class StreamingFile( 6 | var progress: Long, 7 | var file: File, 8 | var isComplete: Boolean, 9 | ) 10 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sun Jan 16 20:01:27 IST 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/caches 5 | /.idea/libraries 6 | /.idea/modules.xml 7 | /.idea/workspace.xml 8 | /.idea/navEditor.xml 9 | /.idea/assetWizardSettings.xml 10 | .DS_Store 11 | /build 12 | /captures 13 | .externalNativeBuild 14 | .cxx 15 | local.properties 16 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | dependencyResolutionManagement { 2 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 3 | repositories { 4 | google() 5 | mavenCentral() 6 | jcenter() // Warning: this repository is going to shut down soon 7 | } 8 | } 9 | rootProject.name = "Efoundation" 10 | include ':app' 11 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/domain/repositories/PhotoFetchListener.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.domain.repositories 2 | 3 | import dev.baseio.efoundation.domain.StreamingFile 4 | 5 | interface PhotoFetchListener { 6 | fun onReceive(streamingFile: StreamingFile) 7 | fun onFailed(throwable: Throwable) 8 | fun onComplete() 9 | } 10 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/domain/repositories/PhotoFetchRepository.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.domain.repositories 2 | 3 | interface PhotoFetchRepository { 4 | suspend fun fetchPhoto( 5 | url: String, 6 | ) 7 | 8 | fun setListener(listener: PhotoFetchListener) 9 | fun removeListener(listener: PhotoFetchListener) 10 | } 11 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/domain/usecases/BaseUseCase.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.domain.usecases 2 | 3 | import kotlinx.coroutines.flow.Flow 4 | 5 | interface BaseUseCase { 6 | suspend fun perform(input: T? = null): U? 7 | } 8 | 9 | 10 | interface BaseStreamingUseCase : BaseUseCase{ 11 | fun performStreaming(input: T? = null): Flow 12 | } 13 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #FFBB86FC 4 | #FF6200EE 5 | #FF3700B3 6 | #FF03DAC5 7 | #FF018786 8 | #FF000000 9 | #FFFFFFFF 10 | -------------------------------------------------------------------------------- /app/src/test/java/dev/baseio/efoundation/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 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 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/data/repositories/RandomFileServiceImpl.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.data.repositories 2 | 3 | import android.content.Context 4 | import dev.baseio.efoundation.domain.repositories.RandomFileService 5 | import java.io.File 6 | import javax.inject.Inject 7 | 8 | class RandomFileServiceImpl @Inject constructor(private val context: Context) : RandomFileService { 9 | override fun getTempFile(): File { 10 | return File(context.filesDir, "random") 11 | } 12 | } -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Efoundation 3 | Random Photo 4 | Could not save the image, FileNotFound! 5 | Downloaded Size %d bytes 6 | Downloading %d bytes 7 | No network available! 8 | Some error occurred 9 | 10 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | -------------------------------------------------------------------------------- /app/src/androidTest/java/dev/baseio/efoundation/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 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 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("dev.baseio.efoundation", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 19 | 20 | -------------------------------------------------------------------------------- /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 -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /app/src/main/res/values-night/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 15 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/data/NetworkClient.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.data 2 | 3 | import android.util.Log 4 | import io.ktor.client.* 5 | import io.ktor.client.engine.android.* 6 | import io.ktor.client.features.* 7 | import io.ktor.client.features.logging.* 8 | import io.ktor.client.features.observer.* 9 | import io.ktor.client.request.* 10 | import io.ktor.http.* 11 | 12 | object NetworkClient { 13 | private const val TIME_OUT = 60_000 14 | 15 | fun buildNetClient() = HttpClient(Android) { 16 | engine { 17 | connectTimeout = TIME_OUT 18 | socketTimeout = TIME_OUT 19 | } 20 | 21 | install(Logging) { 22 | logger = object : Logger { 23 | override fun log(message: String) { 24 | Log.d("Logger Ktor =>", message) 25 | } 26 | 27 | } 28 | level = LogLevel.ALL 29 | } 30 | 31 | install(ResponseObserver) { 32 | onResponse { response -> 33 | Log.d("HTTP status:", "${response.status.value}") 34 | } 35 | } 36 | } 37 | } -------------------------------------------------------------------------------- /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=-Xmx2048m -Dfile.encoding=UTF-8 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 -------------------------------------------------------------------------------- /app/src/main/res/layout/view_random_photos.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 15 | 16 | 21 | 22 | 23 | 29 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/di/RandomPhotosModule.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.di 2 | 3 | import android.content.Context 4 | import dagger.Binds 5 | import dagger.Module 6 | import dagger.Provides 7 | import dagger.hilt.InstallIn 8 | import dagger.hilt.android.components.ViewModelComponent 9 | import dagger.hilt.android.qualifiers.ApplicationContext 10 | import dagger.hilt.components.SingletonComponent 11 | import dev.baseio.efoundation.FetchRandomPhotoUseCase 12 | import dev.baseio.efoundation.data.NetworkClient 13 | import dev.baseio.efoundation.data.repositories.PicSumPhotoFetchRepositoryImpl 14 | import dev.baseio.efoundation.data.repositories.RandomFileServiceImpl 15 | import dev.baseio.efoundation.domain.repositories.PhotoFetchRepository 16 | import dev.baseio.efoundation.domain.repositories.RandomFileService 17 | import kotlinx.coroutines.Dispatchers 18 | import javax.inject.Inject 19 | import javax.inject.Singleton 20 | import kotlin.coroutines.CoroutineContext 21 | 22 | @Module 23 | @InstallIn(SingletonComponent::class) 24 | class RandomPhotosModule { 25 | 26 | @Provides 27 | @Singleton 28 | fun providesHttpClient() = NetworkClient.buildNetClient() 29 | 30 | @Provides 31 | @Singleton 32 | fun provideCorContext() : CoroutineContext = Dispatchers.IO 33 | 34 | @Provides 35 | @Singleton 36 | fun provideContext(@ApplicationContext context: Context) = context 37 | 38 | @Provides 39 | @Singleton 40 | fun provideFetchRandomPhotoUseCase(photoFetchRepository: PhotoFetchRepository) = 41 | FetchRandomPhotoUseCase(photoFetchRepository) 42 | 43 | } 44 | 45 | @Module 46 | @InstallIn(SingletonComponent::class) 47 | abstract class RepositoryModule { 48 | 49 | @Binds 50 | abstract fun bindRandomFileService(randomFileServiceImpl: RandomFileServiceImpl): RandomFileService 51 | 52 | @Binds 53 | abstract fun bindPhotoFetchRepository(photoFetchRepositoryImpl: PicSumPhotoFetchRepositoryImpl): PhotoFetchRepository 54 | } -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'kotlin-android' 4 | id 'kotlin-kapt' 5 | id 'dagger.hilt.android.plugin' 6 | } 7 | 8 | android { 9 | compileSdk 31 10 | 11 | defaultConfig { 12 | applicationId "dev.baseio.efoundation" 13 | minSdk 21 14 | targetSdk 31 15 | versionCode 1 16 | versionName "1.0" 17 | 18 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 19 | } 20 | buildFeatures { 21 | viewBinding true 22 | } 23 | buildTypes { 24 | release { 25 | minifyEnabled false 26 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 27 | } 28 | } 29 | compileOptions { 30 | sourceCompatibility JavaVersion.VERSION_1_8 31 | targetCompatibility JavaVersion.VERSION_1_8 32 | } 33 | kotlinOptions { 34 | jvmTarget = '1.8' 35 | } 36 | } 37 | 38 | dependencies { 39 | 40 | implementation "com.google.dagger:hilt-android:2.40.5" 41 | kapt "com.google.dagger:hilt-compiler:2.40.5" 42 | def activity_version = "1.4.0" 43 | 44 | implementation "androidx.activity:activity-ktx:$activity_version" 45 | 46 | implementation 'io.ktor:ktor-client-android:1.6.7' 47 | implementation 'io.ktor:ktor-client-logging-jvm:1.6.7' 48 | implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0") 49 | implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0") 50 | implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0") 51 | implementation 'androidx.core:core-ktx:1.7.0' 52 | implementation 'androidx.appcompat:appcompat:1.4.0' 53 | implementation 'com.google.android.material:material:1.4.0' 54 | implementation 'androidx.constraintlayout:constraintlayout:2.1.2' 55 | testImplementation 'junit:junit:4.+' 56 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 57 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 58 | } -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/FetchRandomPhotoUseCase.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 2 | 3 | import dev.baseio.efoundation.domain.StreamingFile 4 | import dev.baseio.efoundation.domain.repositories.PhotoFetchListener 5 | import dev.baseio.efoundation.domain.repositories.PhotoFetchRepository 6 | import dev.baseio.efoundation.domain.usecases.BaseStreamingUseCase 7 | import dev.baseio.efoundation.domain.usecases.BaseUseCase 8 | import kotlinx.coroutines.cancel 9 | import kotlinx.coroutines.channels.ProducerScope 10 | import kotlinx.coroutines.channels.awaitClose 11 | import kotlinx.coroutines.channels.onFailure 12 | import kotlinx.coroutines.channels.trySendBlocking 13 | import kotlinx.coroutines.flow.Flow 14 | import kotlinx.coroutines.flow.callbackFlow 15 | import java.io.File 16 | import kotlin.coroutines.cancellation.CancellationException 17 | 18 | class FetchRandomPhotoUseCase(private val photoFetchRepository: PhotoFetchRepository) : 19 | BaseStreamingUseCase { 20 | 21 | override fun performStreaming(input: String?): Flow { 22 | return callbackFlow { 23 | val listener = photoFetchListener() 24 | photoFetchRepository.setListener(listener) 25 | photoFetchRepository.fetchPhoto(input ?: PIC_SUM_URL) 26 | awaitClose { 27 | photoFetchRepository.removeListener(listener) 28 | } 29 | } 30 | } 31 | 32 | private fun ProducerScope.photoFetchListener() = 33 | object : PhotoFetchListener { 34 | override fun onReceive(streamingFile: StreamingFile) { 35 | trySend(streamingFile).onFailure { 36 | cancel(CancellationException("Download Error", it)) 37 | } 38 | } 39 | 40 | override fun onFailed(throwable: Throwable) { 41 | cancel(CancellationException("Download Error", throwable)) 42 | } 43 | 44 | override fun onComplete(){ 45 | channel.close() 46 | } 47 | } 48 | 49 | override suspend fun perform(input: String?): StreamingFile? { 50 | TODO("Not yet implemented") 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/RandomViewModel.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 2 | 3 | import androidx.lifecycle.LiveData 4 | import androidx.lifecycle.MutableLiveData 5 | import androidx.lifecycle.ViewModel 6 | import androidx.lifecycle.viewModelScope 7 | import dagger.hilt.android.lifecycle.HiltViewModel 8 | import dev.baseio.efoundation.domain.StreamingFile 9 | import dev.baseio.efoundation.domain.repositories.RandomFileService 10 | import kotlinx.coroutines.CoroutineExceptionHandler 11 | import kotlinx.coroutines.Job 12 | import kotlinx.coroutines.flow.Flow 13 | import kotlinx.coroutines.flow.collectLatest 14 | import kotlinx.coroutines.flow.flow 15 | import kotlinx.coroutines.launch 16 | import javax.inject.Inject 17 | 18 | @HiltViewModel 19 | class RandomViewModel @Inject constructor( 20 | private val fetchPhotoUseCase: FetchRandomPhotoUseCase, 21 | private val randomFileService: RandomFileService 22 | ) : 23 | ViewModel() { 24 | private var fetchJob: Job? = null 25 | private val viewState = MutableLiveData( 26 | RandomPhotoViewState.Empty(null) 27 | ) 28 | 29 | init { 30 | initialState() 31 | } 32 | 33 | private fun initialState() { 34 | viewModelScope.launch { 35 | val file = randomFileService.getTempFile() 36 | val initialState = RandomPhotoViewState.Empty( 37 | StreamingFile(file.length(), file, true) 38 | ) 39 | viewState.value = initialState 40 | } 41 | } 42 | 43 | val randomViewState: LiveData = viewState 44 | 45 | private val exceptionHandler: CoroutineExceptionHandler = 46 | CoroutineExceptionHandler { _, throwable -> 47 | viewState.value = RandomPhotoViewState.Exception(throwable) 48 | } 49 | 50 | fun fetchRandomPhoto() { 51 | fetchJob?.cancel() 52 | fetchJob = viewModelScope.launch(exceptionHandler) { 53 | fetchPhotoUseCase.performStreaming().handleErrors().collect { streamingFile -> 54 | viewState.value = RandomPhotoViewState.Streaming(streamingFile) 55 | } 56 | } 57 | } 58 | 59 | sealed class RandomPhotoViewState { 60 | class Exception(val throwable: Throwable) : RandomPhotoViewState() 61 | class Streaming(val result: StreamingFile) : RandomPhotoViewState() 62 | class Empty(val result: StreamingFile?) : RandomPhotoViewState() 63 | } 64 | 65 | private fun Flow.handleErrors(): Flow = flow { 66 | try { 67 | collect { value -> emit(value) } 68 | } catch (e: Throwable) { 69 | viewState.value = RandomPhotoViewState.Exception(e) 70 | } 71 | } 72 | } -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/data/repositories/PicSumPhotoFetchRepositoryImpl.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation.data.repositories 2 | 3 | import android.util.Log 4 | import dev.baseio.efoundation.domain.StreamingFile 5 | import dev.baseio.efoundation.domain.repositories.PhotoFetchListener 6 | import dev.baseio.efoundation.domain.repositories.PhotoFetchRepository 7 | import dev.baseio.efoundation.domain.repositories.RandomFileService 8 | import io.ktor.client.* 9 | import io.ktor.client.call.* 10 | import io.ktor.client.features.* 11 | import io.ktor.client.request.* 12 | import io.ktor.client.statement.* 13 | import kotlinx.coroutines.withContext 14 | import java.io.File 15 | import javax.inject.Inject 16 | import kotlin.coroutines.CoroutineContext 17 | 18 | class PicSumPhotoFetchRepositoryImpl @Inject constructor( 19 | private val coroutineContext: CoroutineContext, 20 | private val networkClient: HttpClient, 21 | private val fileCreationService: RandomFileService 22 | ) : 23 | PhotoFetchRepository { 24 | 25 | private var fileDownloadListener: PhotoFetchListener? = null 26 | 27 | override fun setListener(listener: PhotoFetchListener) { 28 | fileDownloadListener = listener 29 | } 30 | 31 | override fun removeListener(listener: PhotoFetchListener) { 32 | fileDownloadListener = null 33 | } 34 | 35 | override suspend fun fetchPhoto(url: String): Unit = 36 | withContext(coroutineContext) { 37 | try { 38 | val file = fileCreationService.getTempFile() 39 | val response: HttpResponse = responseWithListener(url, file) 40 | val bytes = response.receive() 41 | file.writeBytes(bytes) 42 | notifyFileDownloaded(file) 43 | } catch (ex: Exception) { 44 | fileDownloadListener?.onFailed(ex) 45 | } 46 | } 47 | 48 | private fun notifyFileDownloaded(file: File) { 49 | fileDownloadListener?.onReceive( 50 | StreamingFile( 51 | file.length(), 52 | file, isComplete = true 53 | ) 54 | ) 55 | fileDownloadListener?.onComplete() 56 | } 57 | 58 | private suspend fun responseWithListener( 59 | url: String, 60 | file: File 61 | ): HttpResponse = networkClient.get(url) { 62 | onDownload { bytesSentTotal, contentLength -> 63 | Log.d(this.javaClass.name, "${bytesSentTotal}/${contentLength}") 64 | prepareCallback(bytesSentTotal, file) 65 | } 66 | } 67 | 68 | private fun prepareCallback( 69 | bytesSentTotal: Long, 70 | file: File 71 | ) { 72 | fileDownloadListener?.onReceive( 73 | StreamingFile( 74 | bytesSentTotal, 75 | file, isComplete = false 76 | ) 77 | ) 78 | } 79 | } -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /app/src/main/java/dev/baseio/efoundation/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package dev.baseio.efoundation 2 | 3 | import android.annotation.SuppressLint 4 | import android.net.Uri 5 | import androidx.appcompat.app.AppCompatActivity 6 | import android.os.Bundle 7 | import android.util.Log 8 | import android.view.LayoutInflater 9 | import android.view.View 10 | import androidx.activity.viewModels 11 | import androidx.lifecycle.Observer 12 | import androidx.lifecycle.ViewModelProvider 13 | import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_SHORT 14 | import com.google.android.material.snackbar.Snackbar 15 | import dagger.hilt.android.AndroidEntryPoint 16 | import dev.baseio.efoundation.databinding.ViewRandomPhotosBinding 17 | import dev.baseio.efoundation.domain.StreamingFile 18 | import java.io.FileNotFoundException 19 | import java.net.UnknownHostException 20 | import kotlin.coroutines.cancellation.CancellationException 21 | 22 | @AndroidEntryPoint 23 | class MainActivity : AppCompatActivity() { 24 | private val viewModel: RandomViewModel by viewModels() 25 | private lateinit var binding: ViewRandomPhotosBinding 26 | 27 | override fun onCreate(savedInstanceState: Bundle?) { 28 | super.onCreate(savedInstanceState) 29 | binding = ViewRandomPhotosBinding.inflate(LayoutInflater.from(this)) 30 | setContentView(binding.root) 31 | viewModel.randomViewState.observe(this, { randomPhotoViewState -> 32 | randomPhotoViewState?.let { 33 | receiveViewState(randomPhotoViewState) 34 | } 35 | }) 36 | binding.randomPhotoButton.setOnClickListener { 37 | viewModel.fetchRandomPhoto() 38 | } 39 | } 40 | 41 | private fun receiveViewState(randomPhotoViewState: RandomViewModel.RandomPhotoViewState) { 42 | when (randomPhotoViewState) { 43 | is RandomViewModel.RandomPhotoViewState.Empty -> { 44 | Log.e(this.javaClass.name, "No Data") 45 | setImageForFile(randomPhotoViewState.result) 46 | } 47 | is RandomViewModel.RandomPhotoViewState.Exception -> { 48 | randomPhotoViewState.throwable.printStackTrace() 49 | Log.e(this.javaClass.name, randomPhotoViewState.throwable.message ?: "") 50 | when (randomPhotoViewState.throwable) { 51 | is FileNotFoundException -> { 52 | showSnackbarMessage(getString(R.string.except_file_not_found)) 53 | } 54 | is CancellationException -> { 55 | when (randomPhotoViewState.throwable.cause) { 56 | is UnknownHostException -> { 57 | showSnackbarMessage(getString(R.string.except_no_network)) 58 | } 59 | else -> { 60 | showSnackbarMessage(getString(R.string.except_generic)) 61 | } 62 | } 63 | } 64 | else -> { 65 | showSnackbarMessage(randomPhotoViewState.throwable.message ?: "") 66 | } 67 | } 68 | } 69 | is RandomViewModel.RandomPhotoViewState.Streaming -> { 70 | binding.progressText.visibility = View.VISIBLE 71 | 72 | if (randomPhotoViewState.result.isComplete) { 73 | setImageForFile(randomPhotoViewState.result) 74 | } else { 75 | binding.progressText.text = 76 | getString(R.string.downloading_glue, randomPhotoViewState.result.progress) 77 | } 78 | Log.d( 79 | this.javaClass.name, 80 | "${randomPhotoViewState.result.file.absolutePath} ${randomPhotoViewState.result.file.length()}" 81 | ) 82 | } 83 | } 84 | } 85 | 86 | private fun setImageForFile(file: StreamingFile?) { 87 | binding.photoView.setImageResource(R.drawable.ic_launcher_background) // to avoid redraw issues 88 | file?.let { streamingFile -> 89 | binding.photoView.setImageURI(Uri.fromFile(streamingFile.file)) 90 | binding.progressText.visibility = View.VISIBLE 91 | binding.progressText.text = 92 | getString(R.string.downloaded_glue, streamingFile.file.length()) 93 | } 94 | } 95 | 96 | private fun showSnackbarMessage(message: String) { 97 | Snackbar.make(binding.root, message, LENGTH_SHORT).show() 98 | } 99 | } -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | --------------------------------------------------------------------------------