├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── 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 │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── styles.xml │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── menu │ │ │ │ └── sort_menu.xml │ │ │ ├── layout │ │ │ │ ├── item_employee.xml │ │ │ │ └── activity_employee.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── example │ │ │ │ └── diffutilrv │ │ │ │ ├── ui │ │ │ │ └── employee │ │ │ │ │ ├── SortType.kt │ │ │ │ │ ├── model │ │ │ │ │ └── Employee.kt │ │ │ │ │ ├── repository │ │ │ │ │ └── EmployeeRepo.kt │ │ │ │ │ ├── usecase │ │ │ │ │ └── GetEmployeeListUseCase.kt │ │ │ │ │ ├── EmployeeViewModel.kt │ │ │ │ │ ├── EmployeeAdapter.kt │ │ │ │ │ └── EmployeeActivity.kt │ │ │ │ ├── api │ │ │ │ ├── ApiService.kt │ │ │ │ └── DummyApiService.kt │ │ │ │ ├── App.kt │ │ │ │ ├── uistate │ │ │ │ └── UiState.kt │ │ │ │ └── di │ │ │ │ └── DiModule.kt │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── example │ │ │ └── diffutilrv │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── example │ │ └── diffutilrv │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── settings.gradle ├── MVVM.png ├── README.md ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── .gitignore ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name='DiffUtilRV' 2 | include ':app' 3 | -------------------------------------------------------------------------------- /MVVM.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/MVVM.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # MVVM Architecture 2 | 3 | ![image](https://github.com/dev-weiqi/DiffUtilRV/blob/master/MVVM.png) 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/SortType.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee 2 | 3 | enum class SortType { 4 | NAME, ROLE 5 | } -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dev-weiqi/DiffUtilRV/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/model/Employee.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee.model 2 | 3 | data class Employee( 4 | val id: Int, 5 | val name: String, 6 | val role: String 7 | ) 8 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | DiffUtilRV 3 | Sort by name 4 | Sort by role 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #6200EE 4 | #3700B3 5 | #03DAC5 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/api/ApiService.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.api 2 | 3 | import com.example.diffutilrv.ui.employee.model.Employee 4 | import kotlinx.coroutines.flow.Flow 5 | 6 | interface ApiService { 7 | fun getEmployeeList(): Flow> 8 | } -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Apr 16 14:27:18 CST 2021 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 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/App.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv 2 | 3 | import android.app.Application 4 | import com.example.diffutilrv.di.DiModule 5 | 6 | class App : Application() { 7 | 8 | override fun onCreate() { 9 | super.onCreate() 10 | DiModule().init() 11 | } 12 | } -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /app/src/main/res/menu/sort_menu.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 11 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/example/diffutilrv/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv 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 | } 18 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/repository/EmployeeRepo.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee.repository 2 | 3 | import com.example.diffutilrv.api.ApiService 4 | import com.example.diffutilrv.ui.employee.model.Employee 5 | import kotlinx.coroutines.flow.Flow 6 | 7 | interface EmployeeRepo { 8 | fun getEmployeeList(): Flow> 9 | } 10 | 11 | class EmployeeRepoImpl(private val api: ApiService) : EmployeeRepo { 12 | override fun getEmployeeList(): Flow> { 13 | return api.getEmployeeList() 14 | } 15 | } -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/uistate/UiState.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.uistate 2 | 3 | import androidx.lifecycle.LiveData 4 | import androidx.lifecycle.MutableLiveData 5 | 6 | typealias StatefulLiveData = LiveData> 7 | typealias StatefulMutableLiveData = MutableLiveData> 8 | 9 | sealed class UiState { 10 | 11 | data class Success(val data: T) : UiState() 12 | data class Failure(val throwable: Throwable) : UiState() 13 | object Loading : UiState() 14 | 15 | companion object { 16 | fun success(data: T) = Success(data) 17 | fun failure(throwable: Throwable = Throwable()) = Failure(throwable) 18 | fun loading() = Loading 19 | } 20 | 21 | } -------------------------------------------------------------------------------- /app/src/main/res/layout/item_employee.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 12 | 13 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/example/diffutilrv/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv 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("com.example.diffutilrv", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /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/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/api/DummyApiService.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.api 2 | 3 | import com.example.diffutilrv.ui.employee.model.Employee 4 | import kotlinx.coroutines.delay 5 | import kotlinx.coroutines.flow.Flow 6 | import kotlinx.coroutines.flow.flow 7 | 8 | class DummyApiService : ApiService { 9 | 10 | override fun getEmployeeList(): Flow> { 11 | return flow { 12 | // 模擬耗時請求 13 | delay(1000) 14 | emit(mutableListOf().apply { 15 | add(Employee(1, "Employee 1", "Developer")) 16 | add(Employee(2, "Employee 2", "Tester")) 17 | add(Employee(3, "Employee 3", "Support")) 18 | add(Employee(4, "Employee 4", "Sales Manager")) 19 | add(Employee(5, "Employee 5", "Manager")) 20 | add(Employee(6, "Employee 6", "Team lead")) 21 | add(Employee(7, "Employee 7", "Scrum Master")) 22 | add(Employee(8, "Employee 8", "Sr. Tester")) 23 | add(Employee(9, "Employee 9", "Sr. Developer")) 24 | }) 25 | } 26 | } 27 | } -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/usecase/GetEmployeeListUseCase.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee.usecase 2 | 3 | import com.example.diffutilrv.ui.employee.SortType 4 | import com.example.diffutilrv.ui.employee.model.Employee 5 | import com.example.diffutilrv.ui.employee.repository.EmployeeRepo 6 | import kotlinx.coroutines.flow.Flow 7 | import kotlinx.coroutines.flow.map 8 | 9 | class GetEmployeeListUseCase(private val employeeRepo: EmployeeRepo) { 10 | 11 | operator fun invoke(sortType: SortType): Flow> { 12 | return employeeRepo.getEmployeeList() 13 | .map { 14 | when (sortType) { 15 | SortType.NAME -> getEmployeeByName(it) 16 | SortType.ROLE -> getEmployeeByRole(it) 17 | } 18 | } 19 | } 20 | 21 | private fun getEmployeeByName(employeeList: List): List { 22 | return employeeList.sortedBy { it.name } 23 | } 24 | 25 | private fun getEmployeeByRole(employeeList: List): List { 26 | return employeeList.sortedBy { it.role } 27 | } 28 | } -------------------------------------------------------------------------------- /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/java/com/example/diffutilrv/di/DiModule.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.di 2 | 3 | import com.example.diffutilrv.api.ApiService 4 | import com.example.diffutilrv.api.DummyApiService 5 | import com.example.diffutilrv.ui.employee.EmployeeViewModel 6 | import com.example.diffutilrv.ui.employee.repository.EmployeeRepo 7 | import com.example.diffutilrv.ui.employee.repository.EmployeeRepoImpl 8 | import com.example.diffutilrv.ui.employee.usecase.GetEmployeeListUseCase 9 | import org.koin.androidx.viewmodel.dsl.viewModel 10 | import org.koin.core.context.startKoin 11 | import org.koin.dsl.module 12 | 13 | class DiModule { 14 | 15 | private val networkModule = module { 16 | single { DummyApiService() } 17 | } 18 | 19 | private val repositoryModule = module { 20 | factory { EmployeeRepoImpl(api = get()) } 21 | } 22 | 23 | private val useCaseModule = module { 24 | factory { GetEmployeeListUseCase(employeeRepo = get()) } 25 | } 26 | 27 | private val viewModelModule = module { 28 | viewModel { EmployeeViewModel(getEmployeeListUseCase = get()) } 29 | } 30 | 31 | fun init() { 32 | startKoin { 33 | modules( 34 | listOf( 35 | networkModule, 36 | repositoryModule, 37 | useCaseModule, 38 | viewModelModule 39 | ) 40 | ) 41 | } 42 | } 43 | } -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_employee.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 18 | 19 | 30 | 31 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/EmployeeViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.viewModelScope 5 | import com.example.diffutilrv.ui.employee.model.Employee 6 | import com.example.diffutilrv.ui.employee.usecase.GetEmployeeListUseCase 7 | import com.example.diffutilrv.uistate.StatefulLiveData 8 | import com.example.diffutilrv.uistate.StatefulMutableLiveData 9 | import com.example.diffutilrv.uistate.UiState 10 | import kotlinx.coroutines.flow.catch 11 | import kotlinx.coroutines.flow.collect 12 | import kotlinx.coroutines.flow.onStart 13 | import kotlinx.coroutines.launch 14 | 15 | class EmployeeViewModel(private val getEmployeeListUseCase: GetEmployeeListUseCase) : ViewModel() { 16 | 17 | val employeeList: StatefulLiveData> 18 | get() = _employeeList 19 | private val _employeeList = StatefulMutableLiveData>() 20 | 21 | init { 22 | fetchEmployeeList(SortType.NAME) 23 | } 24 | 25 | fun fetchEmployeeListByName() { 26 | return fetchEmployeeList(SortType.NAME) 27 | } 28 | 29 | fun fetchEmployeeListByRole() { 30 | return fetchEmployeeList(SortType.ROLE) 31 | } 32 | 33 | private fun fetchEmployeeList(sortType: SortType) { 34 | viewModelScope.launch { 35 | getEmployeeListUseCase(sortType) 36 | .onStart { _employeeList.value = UiState.loading() } 37 | .catch { _employeeList.value = UiState.failure(it) } 38 | .collect { _employeeList.value = UiState.success(it) } 39 | } 40 | } 41 | } -------------------------------------------------------------------------------- /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 30 7 | buildToolsVersion "30.0.3" 8 | 9 | defaultConfig { 10 | applicationId "com.example.diffutilrv" 11 | minSdkVersion 16 12 | targetSdkVersion 30 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 | viewBinding { 27 | enabled = true 28 | } 29 | } 30 | 31 | dependencies { 32 | implementation fileTree(dir: 'libs', include: ['*.jar']) 33 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 34 | implementation 'androidx.appcompat:appcompat:1.2.0' 35 | implementation 'androidx.core:core-ktx:1.0.2' 36 | implementation 'androidx.constraintlayout:constraintlayout:2.0.4' 37 | testImplementation 'junit:junit:4.12' 38 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 39 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 40 | implementation 'androidx.recyclerview:recyclerview:1.0.0' 41 | 42 | def ktxVersion = '2.3.1' 43 | implementation "androidx.lifecycle:lifecycle-runtime-ktx:$ktxVersion" 44 | implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$ktxVersion" 45 | 46 | def koinVersion = '2.2.0' 47 | implementation "org.koin:koin-core:$koinVersion" 48 | implementation "org.koin:koin-android:$koinVersion" 49 | implementation "org.koin:koin-androidx-viewmodel:$koinVersion" 50 | } 51 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.aar 4 | *.ap_ 5 | *.aab 6 | 7 | # Files for the ART/Dalvik VM 8 | *.dex 9 | 10 | # Java class files 11 | *.class 12 | 13 | # Generated files 14 | bin/ 15 | gen/ 16 | out/ 17 | # Uncomment the following line in case you need and you don't have the release build type files in your app 18 | # release/ 19 | 20 | # Gradle files 21 | .gradle/ 22 | build/ 23 | 24 | # Local configuration file (sdk path, etc) 25 | local.properties 26 | 27 | # Proguard folder generated by Eclipse 28 | proguard/ 29 | 30 | # Log Files 31 | *.log 32 | 33 | # Android Studio Navigation editor temp files 34 | .navigation/ 35 | 36 | # Android Studio captures folder 37 | captures/ 38 | 39 | # IntelliJ 40 | *.iml 41 | .idea/workspace.xml 42 | .idea/tasks.xml 43 | .idea/gradle.xml 44 | .idea/assetWizardSettings.xml 45 | .idea/dictionaries 46 | .idea/libraries 47 | # Android Studio 3 in .gitignore file. 48 | .idea/caches 49 | .idea/modules.xml 50 | # Comment next line if keeping position of elements in Navigation Editor is relevant for you 51 | .idea/navEditor.xml 52 | 53 | # Keystore files 54 | # Uncomment the following lines if you do not want to check your keystore files in. 55 | #*.jks 56 | #*.keystore 57 | 58 | # External native build folder generated in Android Studio 2.2 and later 59 | .externalNativeBuild 60 | .cxx/ 61 | 62 | # Google Services (e.g. APIs or Firebase) 63 | # google-services.json 64 | 65 | # Freeline 66 | freeline.py 67 | freeline/ 68 | freeline_project_description.json 69 | 70 | # fastlane 71 | fastlane/report.xml 72 | fastlane/Preview.html 73 | fastlane/screenshots 74 | fastlane/test_output 75 | fastlane/readme.md 76 | 77 | # Version control 78 | vcs.xml 79 | 80 | # lint 81 | lint/intermediates/ 82 | lint/generated/ 83 | lint/outputs/ 84 | lint/tmp/ 85 | # lint/reports/ 86 | 87 | # Android Profiling 88 | *.hprof -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/EmployeeAdapter.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee 2 | 3 | import android.view.LayoutInflater 4 | import android.view.ViewGroup 5 | import androidx.recyclerview.widget.DiffUtil 6 | import androidx.recyclerview.widget.ListAdapter 7 | import androidx.recyclerview.widget.RecyclerView 8 | import com.example.diffutilrv.databinding.ItemEmployeeBinding 9 | import com.example.diffutilrv.ui.employee.model.Employee 10 | 11 | class EmployeeAdapter : 12 | ListAdapter(EmployeeDiffItemCallback()) { 13 | 14 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EmployeeViewHolder { 15 | return EmployeeViewHolder.create(parent) 16 | } 17 | 18 | override fun onBindViewHolder(holder: EmployeeViewHolder, position: Int) { 19 | holder.bind(getItem(position)) 20 | } 21 | 22 | override fun onViewRecycled(holder: EmployeeViewHolder) { 23 | holder.unbind() 24 | } 25 | 26 | class EmployeeViewHolder(private val binding: ItemEmployeeBinding) : 27 | RecyclerView.ViewHolder(binding.root) { 28 | 29 | fun bind(employee: Employee) { 30 | binding.employeeName.text = employee.name 31 | binding.employeeRole.text = employee.role 32 | } 33 | 34 | fun unbind() { 35 | } 36 | 37 | companion object { 38 | fun create(parent: ViewGroup): EmployeeViewHolder { 39 | return EmployeeViewHolder( 40 | ItemEmployeeBinding.inflate( 41 | LayoutInflater 42 | .from(parent.context), parent, false 43 | ) 44 | ) 45 | } 46 | } 47 | } 48 | 49 | class EmployeeDiffItemCallback : DiffUtil.ItemCallback() { 50 | override fun areItemsTheSame(oldItem: Employee, newItem: Employee): Boolean { 51 | return oldItem.id == newItem.id 52 | } 53 | 54 | override fun areContentsTheSame(oldItem: Employee, newItem: Employee): Boolean { 55 | return oldItem.name == newItem.name 56 | } 57 | } 58 | } -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/diffutilrv/ui/employee/EmployeeActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.diffutilrv.ui.employee 2 | 3 | import android.os.Bundle 4 | import android.view.Menu 5 | import android.view.MenuItem 6 | import android.widget.Toast 7 | import androidx.appcompat.app.AppCompatActivity 8 | import androidx.core.view.isInvisible 9 | import androidx.core.view.isVisible 10 | import androidx.lifecycle.Observer 11 | import androidx.recyclerview.widget.LinearLayoutManager 12 | import com.example.diffutilrv.R 13 | import com.example.diffutilrv.databinding.ActivityEmployeeBinding 14 | import com.example.diffutilrv.uistate.UiState 15 | import org.koin.androidx.viewmodel.ext.android.viewModel 16 | 17 | class EmployeeActivity : AppCompatActivity() { 18 | 19 | private val viewModel by viewModel() 20 | private val adapter = EmployeeAdapter() 21 | 22 | private lateinit var binding: ActivityEmployeeBinding 23 | 24 | override fun onCreate(savedInstanceState: Bundle?) { 25 | super.onCreate(savedInstanceState) 26 | binding = ActivityEmployeeBinding.inflate(layoutInflater) 27 | setContentView(binding.root) 28 | setupUi() 29 | setupViewModel() 30 | } 31 | 32 | override fun onCreateOptionsMenu(menu: Menu): Boolean { 33 | menuInflater.inflate(R.menu.sort_menu, menu) 34 | return super.onCreateOptionsMenu(menu) 35 | } 36 | 37 | override fun onOptionsItemSelected(item: MenuItem): Boolean { 38 | return when (item.itemId) { 39 | R.id.sort_by_name -> { 40 | viewModel.fetchEmployeeListByName() 41 | true 42 | } 43 | R.id.sort_by_role -> { 44 | viewModel.fetchEmployeeListByRole() 45 | true 46 | } 47 | else -> super.onOptionsItemSelected(item) 48 | } 49 | } 50 | 51 | private fun setupUi() { 52 | binding.recyclerView.layoutManager = LinearLayoutManager(this) 53 | binding.recyclerView.adapter = adapter 54 | } 55 | 56 | private fun setupViewModel() { 57 | viewModel.employeeList.observe(this, Observer { uiState -> 58 | when (uiState) { 59 | is UiState.Loading -> binding.progressBar.isVisible = true 60 | is UiState.Success -> { 61 | binding.progressBar.isInvisible = true 62 | val list = uiState.data 63 | if (list.isEmpty()) { 64 | Toast.makeText(this, "暫無資料", Toast.LENGTH_SHORT).show() 65 | } else { 66 | adapter.submitList(uiState.data) 67 | } 68 | } 69 | is UiState.Failure -> { 70 | binding.progressBar.isInvisible = true 71 | Toast.makeText(this, "資料錯誤", Toast.LENGTH_SHORT).show() 72 | } 73 | } 74 | }) 75 | } 76 | } -------------------------------------------------------------------------------- /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 | --------------------------------------------------------------------------------