├── .gitignore ├── .idea ├── codeStyles │ ├── Project.xml │ └── codeStyleConfig.xml ├── gradle.xml ├── misc.xml ├── runConfigurations.xml └── vcs.xml ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── codingwithmitch │ │ │ └── daggermultifeature │ │ │ ├── app │ │ │ ├── BaseApplication.kt │ │ │ ├── di │ │ │ │ ├── AppComponent.kt │ │ │ │ ├── AppModule.kt │ │ │ │ └── SubComponentsModule.kt │ │ │ └── ui │ │ │ │ ├── MainActivity.kt │ │ │ │ └── MainNavController.kt │ │ │ ├── feature1 │ │ │ ├── data │ │ │ │ ├── Feature1LocalDataSource.kt │ │ │ │ └── Feature1LocalDataSourceImpl.kt │ │ │ ├── di │ │ │ │ ├── Feature1Component.kt │ │ │ │ ├── Feature1FragmentBuildersModule.kt │ │ │ │ ├── Feature1FragmentScope.kt │ │ │ │ ├── Feature1Module.kt │ │ │ │ ├── Feature1ViewModelsModule.kt │ │ │ │ └── keys │ │ │ │ │ ├── Feature1FragmentKey.kt │ │ │ │ │ └── Feature1ViewModelKey.kt │ │ │ ├── fragments │ │ │ │ ├── Feature1FragmentFactory.kt │ │ │ │ └── Feature1NavHostFragment.kt │ │ │ ├── repository │ │ │ │ ├── Feature1Repository.kt │ │ │ │ └── Feature1RepositoryImpl.kt │ │ │ ├── ui │ │ │ │ ├── Feature1FinalFragment.kt │ │ │ │ ├── Feature1MainFragment.kt │ │ │ │ ├── Feature1NextFragment.kt │ │ │ │ └── Feature1ViewModel.kt │ │ │ └── viewmodels │ │ │ │ └── Feature1ViewModelFactory.kt │ │ │ └── main │ │ │ ├── data │ │ │ ├── MainLocalDataSource.kt │ │ │ └── MainLocalDataSourceImpl.kt │ │ │ ├── di │ │ │ ├── MainComponent.kt │ │ │ ├── MainFragmentBuildersModule.kt │ │ │ ├── MainFragmentScope.kt │ │ │ ├── MainModule.kt │ │ │ ├── ViewModelModule.kt │ │ │ └── keys │ │ │ │ ├── MainFragmentKey.kt │ │ │ │ └── MainViewModelKey.kt │ │ │ ├── fragments │ │ │ ├── MainFragmentFactory.kt │ │ │ └── MainNavHostFragment.kt │ │ │ ├── repository │ │ │ ├── MainRepository.kt │ │ │ └── MainRepositoryImpl.kt │ │ │ ├── ui │ │ │ ├── MainFragment.kt │ │ │ └── MainViewModel.kt │ │ │ └── viewmodels │ │ │ └── MainViewModelFactory.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ ├── ic_accessibility_black_24dp.xml │ │ ├── ic_android_black_24dp.xml │ │ ├── ic_home_black_24dp.xml │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_main.xml │ │ ├── fragment_feature1_final.xml │ │ ├── fragment_feature1_main.xml │ │ ├── fragment_feature1_next.xml │ │ └── fragment_main.xml │ │ ├── menu │ │ └── drawer_menu.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── navigation │ │ ├── feature1_nav_graph.xml │ │ └── main_nav_graph.xml │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── codingwithmitch │ └── daggermultifeature │ └── ExampleUnitTest.kt ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/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 | -------------------------------------------------------------------------------- /.idea/codeStyles/Project.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | 7 | 9 | 10 | 11 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | xmlns:android 20 | 21 | ^$ 22 | 23 | 24 | 25 |
26 |
27 | 28 | 29 | 30 | xmlns:.* 31 | 32 | ^$ 33 | 34 | 35 | BY_NAME 36 | 37 |
38 |
39 | 40 | 41 | 42 | .*:id 43 | 44 | http://schemas.android.com/apk/res/android 45 | 46 | 47 | 48 |
49 |
50 | 51 | 52 | 53 | .*:name 54 | 55 | http://schemas.android.com/apk/res/android 56 | 57 | 58 | 59 |
60 |
61 | 62 | 63 | 64 | name 65 | 66 | ^$ 67 | 68 | 69 | 70 |
71 |
72 | 73 | 74 | 75 | style 76 | 77 | ^$ 78 | 79 | 80 | 81 |
82 |
83 | 84 | 85 | 86 | .* 87 | 88 | ^$ 89 | 90 | 91 | BY_NAME 92 | 93 |
94 |
95 | 96 | 97 | 98 | .* 99 | 100 | http://schemas.android.com/apk/res/android 101 | 102 | 103 | ANDROID_ATTRIBUTE_ORDER 104 | 105 |
106 |
107 | 108 | 109 | 110 | .* 111 | 112 | .* 113 | 114 | 115 | BY_NAME 116 | 117 |
118 | 119 | 120 | 121 | 122 | 124 | 125 | -------------------------------------------------------------------------------- /.idea/codeStyles/codeStyleConfig.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 5 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Features: 2 | 1. Dagger2 (not dagger-android) 3 | 2. Single activity 4 | 3. FragmentFactory 5 | 4. Multi-feature package structure 6 | 5. Navigation components 7 | - Separate nav graph for each feature 8 | 9 | # Info 10 | Each feature has it's own Subcomponent with it's own: 11 | 1. ViewModelFactory 12 | 2. FragmentFactory 13 | 3. NavHostFragment 14 | - This is needed since each feature has it's own navigation graph 15 | 16 | # Next steps: 17 | Build a dynamic multi-feature sample. 18 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | apply plugin: 'kotlin-android' 4 | 5 | apply plugin: 'kotlin-android-extensions' 6 | 7 | apply plugin: 'kotlin-kapt' 8 | 9 | android { 10 | compileSdkVersion 29 11 | buildToolsVersion "29.0.2" 12 | defaultConfig { 13 | applicationId "com.codingwithmitch.daggermultifeature" 14 | minSdkVersion 21 15 | targetSdkVersion 29 16 | versionCode 1 17 | versionName "1.0" 18 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 19 | } 20 | buildTypes { 21 | release { 22 | minifyEnabled false 23 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 24 | } 25 | } 26 | 27 | compileOptions { 28 | sourceCompatibility = '1.8' 29 | targetCompatibility = '1.8' 30 | } 31 | 32 | tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all { 33 | kotlinOptions { 34 | jvmTarget = "1.8" 35 | } 36 | } 37 | } 38 | 39 | dependencies { 40 | implementation fileTree(dir: 'libs', include: ['*.jar']) 41 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 42 | implementation 'androidx.appcompat:appcompat:1.1.0' 43 | implementation 'androidx.core:core-ktx:1.1.0' 44 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 45 | implementation 'androidx.legacy:legacy-support-v4:1.0.0' 46 | testImplementation 'junit:junit:4.12' 47 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 48 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 49 | 50 | def nav_version = "2.1.0" 51 | implementation "androidx.navigation:navigation-fragment-ktx:$nav_version" 52 | implementation "androidx.navigation:navigation-ui-ktx:$nav_version" 53 | 54 | def dagger_version = "2.25.4" 55 | implementation "com.google.dagger:dagger:$dagger_version" 56 | kapt "com.google.dagger:dagger-compiler:$dagger_version" 57 | 58 | 59 | // -- Coroutines 60 | def coroutines_version = "1.2.1" 61 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version" 62 | implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version" 63 | } 64 | -------------------------------------------------------------------------------- /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/codingwithmitch/daggermultifeature/app/BaseApplication.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app 2 | 3 | import android.app.Application 4 | import com.codingwithmitch.daggermultifeature.app.di.AppComponent 5 | import com.codingwithmitch.daggermultifeature.app.di.DaggerAppComponent 6 | 7 | class BaseApplication : Application() { 8 | 9 | private val TAG: String = "AppDebug" 10 | 11 | private val appComponent = DaggerAppComponent.builder() 12 | .application(this) 13 | .build() 14 | 15 | override fun onCreate() { 16 | super.onCreate() 17 | appComponent.inject(this) 18 | } 19 | 20 | 21 | fun getAppComponent(): AppComponent{ 22 | return appComponent 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/app/di/AppComponent.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app.di 2 | 3 | import android.app.Application 4 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 5 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1Component 6 | import com.codingwithmitch.daggermultifeature.main.di.MainComponent 7 | import dagger.BindsInstance 8 | import dagger.Component 9 | import javax.inject.Singleton 10 | 11 | 12 | @Singleton 13 | @Component(modules = [ 14 | AppModule::class, 15 | SubComponentsModule::class 16 | ]) 17 | interface AppComponent{ 18 | 19 | @Component.Builder 20 | interface Builder{ 21 | 22 | @BindsInstance 23 | fun application(application: Application): Builder 24 | 25 | fun build(): AppComponent 26 | } 27 | 28 | fun inject(application: BaseApplication) 29 | 30 | fun feature1Component(): Feature1Component.Factory 31 | 32 | fun mainComponent(): MainComponent.Factory 33 | 34 | } 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/app/di/AppModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app.di 2 | 3 | import dagger.Module 4 | import dagger.Provides 5 | import javax.inject.Named 6 | import javax.inject.Singleton 7 | 8 | @Module 9 | object AppModule{ 10 | 11 | @Singleton 12 | @Provides 13 | @Named("application_name") 14 | @JvmStatic 15 | fun provideApplicationName(): String { 16 | return "Dagger Multi-feature Demo" 17 | } 18 | 19 | } 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/app/di/SubComponentsModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app.di 2 | 3 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1Component 4 | import com.codingwithmitch.daggermultifeature.main.di.MainComponent 5 | import dagger.Module 6 | 7 | @Module( 8 | subcomponents = [ 9 | Feature1Component::class, 10 | MainComponent::class 11 | ] 12 | ) 13 | class SubComponentsModule -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/app/ui/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app.ui 2 | 3 | import android.os.Bundle 4 | import android.view.Gravity 5 | import android.view.MenuItem 6 | import androidx.annotation.IdRes 7 | import androidx.annotation.NavigationRes 8 | import androidx.fragment.app.FragmentActivity 9 | import androidx.navigation.NavController 10 | import androidx.navigation.fragment.NavHostFragment 11 | import androidx.navigation.ui.setupWithNavController 12 | import com.codingwithmitch.daggermultifeature.R 13 | import com.codingwithmitch.daggermultifeature.feature1.fragments.Feature1FragmentFactory 14 | import com.codingwithmitch.daggermultifeature.feature1.fragments.Feature1NavHostFragment 15 | import com.codingwithmitch.daggermultifeature.main.fragments.MainFragmentFactory 16 | import com.codingwithmitch.daggermultifeature.main.fragments.MainNavHostFragment 17 | import com.codingwithmitch.daggermultifeature.main.ui.MainFragment 18 | import com.google.android.material.navigation.NavigationView 19 | 20 | import kotlinx.android.synthetic.main.activity_main.* 21 | 22 | class MainActivity : FragmentActivity(), 23 | MainNavController, 24 | NavigationView.OnNavigationItemSelectedListener 25 | { 26 | 27 | private val TAG: String = "AppDebug" 28 | 29 | private val navigationView: NavigationView by lazy { 30 | findViewById(R.id.nav_view) 31 | } 32 | 33 | private lateinit var navController: NavController 34 | 35 | private fun createNavHost(@NavigationRes graphId: Int, fragmentFactoryName: String){ 36 | 37 | val newNavHostFragment = when(fragmentFactoryName){ 38 | 39 | MainFragmentFactory.FRAGMENT_FACTORY_NAME -> { 40 | MainNavHostFragment.create( 41 | graphId 42 | ) 43 | } 44 | 45 | Feature1FragmentFactory.FRAGMENT_FACTORY_NAME ->{ 46 | Feature1NavHostFragment.create( 47 | graphId 48 | ) 49 | } 50 | 51 | else ->{ 52 | MainNavHostFragment.create( 53 | graphId 54 | ) 55 | } 56 | } 57 | 58 | supportFragmentManager.beginTransaction() 59 | .replace( 60 | R.id.main_nav_host_container, 61 | newNavHostFragment, 62 | getString(R.string.NavHostFragmentTag) 63 | ) 64 | .setPrimaryNavigationFragment(newNavHostFragment) 65 | .commit() 66 | } 67 | 68 | override fun onCreate(savedInstanceState: Bundle?) { 69 | super.onCreate(savedInstanceState) 70 | setContentView(R.layout.activity_main) 71 | navMain() 72 | } 73 | 74 | override fun navFeature1() { 75 | createNavHost( 76 | R.navigation.feature1_nav_graph, 77 | Feature1FragmentFactory.FRAGMENT_FACTORY_NAME 78 | ) 79 | setDrawerItemChecked(R.id.nav_feature1) 80 | } 81 | 82 | override fun navMain() { 83 | createNavHost( 84 | R.navigation.main_nav_graph, 85 | MainFragmentFactory.FRAGMENT_FACTORY_NAME 86 | ) 87 | setDrawerItemChecked(R.id.nav_main) 88 | } 89 | 90 | override fun onBackPressed() { 91 | if(drawer_layout.isDrawerOpen(Gravity.LEFT)){ 92 | drawer_layout.closeDrawer(Gravity.LEFT) 93 | } 94 | else{ 95 | // must exit from MainFragment 96 | if(getBackStackCount() < 1){ 97 | if(!isMainFragmentInView()){ 98 | navMain() 99 | return 100 | } 101 | } 102 | super.onBackPressed() 103 | } 104 | } 105 | 106 | private fun isMainFragmentInView(): Boolean { 107 | val navHostFragment = supportFragmentManager 108 | .findFragmentByTag(getString(R.string.NavHostFragmentTag)) as NavHostFragment 109 | val topFragment = navHostFragment.childFragmentManager.fragments[0] 110 | if(topFragment is MainFragment){ 111 | return true 112 | } 113 | return false 114 | } 115 | 116 | private fun getBackStackCount(): Int{ 117 | val navHostFragment = supportFragmentManager 118 | .findFragmentById(R.id.main_nav_host_container) 119 | navHostFragment?.let { host -> 120 | host.childFragmentManager.let { fm -> 121 | return fm.backStackEntryCount 122 | } 123 | } 124 | return 0 125 | } 126 | 127 | override fun setDrawerItemChecked(@IdRes menuItemId: Int) { 128 | when(menuItemId){ 129 | 130 | R.id.nav_main -> navigationView.menu.getItem(0).isChecked = true 131 | 132 | R.id.nav_feature1 -> navigationView.menu.getItem(1).isChecked = true 133 | } 134 | } 135 | 136 | override fun onNavigationItemSelected(item: MenuItem): Boolean { 137 | when(item.itemId){ 138 | 139 | R.id.nav_main -> { 140 | navMain() 141 | } 142 | 143 | R.id.nav_feature1 -> { 144 | navFeature1() 145 | } 146 | 147 | } 148 | drawer_layout.closeDrawer(Gravity.LEFT) 149 | return true 150 | } 151 | 152 | override fun navController() = navController 153 | 154 | override fun setNavController(navController: NavController){ 155 | this.navController = navController 156 | } 157 | 158 | override fun setupNavDrawer(){ 159 | navigationView.setupWithNavController(navController) 160 | navigationView.setNavigationItemSelectedListener(this) 161 | } 162 | } 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/app/ui/MainNavController.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.app.ui 2 | 3 | import androidx.annotation.IdRes 4 | import androidx.navigation.NavController 5 | import androidx.navigation.fragment.NavHostFragment 6 | 7 | interface MainNavController { 8 | 9 | fun navController(): NavController 10 | 11 | fun setNavController(navController: NavController) 12 | 13 | fun setupNavDrawer() 14 | 15 | fun navFeature1() 16 | 17 | fun navMain() 18 | 19 | fun setDrawerItemChecked(@IdRes menuItemId: Int) 20 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/data/Feature1LocalDataSource.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.data 2 | 3 | interface Feature1LocalDataSource { 4 | 5 | suspend fun getFeature1MainString(): String 6 | 7 | suspend fun getFeature1NextString(): String 8 | 9 | suspend fun getFeature1FinalString(): String 10 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/data/Feature1LocalDataSourceImpl.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.data 2 | 3 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 4 | import javax.inject.Inject 5 | 6 | @Feature1FragmentScope 7 | class Feature1LocalDataSourceImpl 8 | @Inject 9 | constructor(): Feature1LocalDataSource{ 10 | 11 | override suspend fun getFeature1MainString(): String { 12 | return "Feature1MainFragment" 13 | } 14 | 15 | override suspend fun getFeature1NextString(): String { 16 | return "Feature1NextFragment" 17 | } 18 | 19 | override suspend fun getFeature1FinalString(): String { 20 | return "Feature1FinalFragment" 21 | } 22 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/Feature1Component.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di 2 | 3 | import com.codingwithmitch.daggermultifeature.feature1.fragments.Feature1NavHostFragment 4 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1FinalFragment 5 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1MainFragment 6 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1NextFragment 7 | import dagger.Subcomponent 8 | 9 | 10 | @Feature1FragmentScope 11 | @Subcomponent( 12 | modules = [ 13 | Feature1Module::class, 14 | Feature1ViewModelsModule::class, 15 | Feature1FragmentBuildersModule::class 16 | ] 17 | ) 18 | interface Feature1Component { 19 | 20 | @Subcomponent.Factory 21 | interface Factory{ 22 | 23 | fun create(): Feature1Component 24 | } 25 | 26 | fun inject(feature1NavHostFragment: Feature1NavHostFragment) 27 | 28 | } 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/Feature1FragmentBuildersModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di 2 | 3 | import androidx.fragment.app.Fragment 4 | import androidx.fragment.app.FragmentFactory 5 | import androidx.navigation.fragment.NavHostFragment 6 | import com.codingwithmitch.daggermultifeature.feature1.di.keys.Feature1FragmentKey 7 | import com.codingwithmitch.daggermultifeature.feature1.fragments.Feature1FragmentFactory 8 | import com.codingwithmitch.daggermultifeature.feature1.fragments.Feature1NavHostFragment 9 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1FinalFragment 10 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1MainFragment 11 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1NextFragment 12 | import com.codingwithmitch.daggermultifeature.main.di.keys.MainFragmentKey 13 | import com.codingwithmitch.daggermultifeature.main.fragments.MainFragmentFactory 14 | import com.codingwithmitch.daggermultifeature.main.fragments.MainNavHostFragment 15 | import dagger.Binds 16 | import dagger.Module 17 | import dagger.multibindings.IntoMap 18 | 19 | @Module 20 | abstract class Feature1FragmentBuildersModule { 21 | 22 | @Binds 23 | abstract fun bindFragmentFactory(feature1FragmentFactory: Feature1FragmentFactory): FragmentFactory 24 | 25 | @Binds 26 | @IntoMap 27 | @Feature1FragmentKey(Feature1MainFragment::class) 28 | abstract fun bindMainFragment(feature1MainFragment: Feature1MainFragment): Fragment 29 | 30 | @Binds 31 | @IntoMap 32 | @Feature1FragmentKey(Feature1NextFragment::class) 33 | abstract fun bindNextFragment(feature1NextFragment: Feature1NextFragment): Fragment 34 | 35 | @Binds 36 | @IntoMap 37 | @Feature1FragmentKey(Feature1FinalFragment::class) 38 | abstract fun bindFinalFragment(feature1FinalFragment: Feature1FinalFragment): Fragment 39 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/Feature1FragmentScope.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di 2 | 3 | import javax.inject.Scope 4 | 5 | @Scope 6 | @Retention(value = AnnotationRetention.RUNTIME) 7 | annotation class Feature1FragmentScope -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/Feature1Module.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di 2 | 3 | import com.codingwithmitch.daggermultifeature.feature1.data.Feature1LocalDataSource 4 | import com.codingwithmitch.daggermultifeature.feature1.data.Feature1LocalDataSourceImpl 5 | import com.codingwithmitch.daggermultifeature.feature1.repository.Feature1Repository 6 | import com.codingwithmitch.daggermultifeature.feature1.repository.Feature1RepositoryImpl 7 | import dagger.Module 8 | import dagger.Provides 9 | 10 | @Module 11 | object Feature1Module { 12 | 13 | 14 | @Feature1FragmentScope 15 | @Provides 16 | @JvmStatic 17 | fun provideFeature1LocalDataSource(): Feature1LocalDataSource { 18 | return Feature1LocalDataSourceImpl() 19 | } 20 | 21 | @Feature1FragmentScope 22 | @Provides 23 | @JvmStatic 24 | fun provideFeature1Repository( 25 | feature1LocalDataSource: Feature1LocalDataSource 26 | ): Feature1Repository { 27 | return Feature1RepositoryImpl(feature1LocalDataSource) 28 | } 29 | 30 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/Feature1ViewModelsModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import com.codingwithmitch.daggermultifeature.feature1.di.keys.Feature1ViewModelKey 6 | import com.codingwithmitch.daggermultifeature.feature1.ui.Feature1ViewModel 7 | import com.codingwithmitch.daggermultifeature.feature1.viewmodels.Feature1ViewModelFactory 8 | import dagger.Binds 9 | import dagger.Module 10 | import dagger.multibindings.IntoMap 11 | 12 | @Module 13 | abstract class Feature1ViewModelsModule{ 14 | 15 | @Binds 16 | abstract fun bindFeature1VMFactory(factory: Feature1ViewModelFactory): ViewModelProvider.Factory 17 | 18 | @Binds 19 | @IntoMap 20 | @Feature1ViewModelKey(Feature1ViewModel::class) 21 | abstract fun bindFeature1ViewModel(feature1ViewModel: Feature1ViewModel): ViewModel 22 | 23 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/keys/Feature1FragmentKey.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di.keys 2 | 3 | import androidx.fragment.app.Fragment 4 | import dagger.MapKey 5 | import kotlin.reflect.KClass 6 | 7 | @MapKey 8 | @Target(AnnotationTarget.FUNCTION) 9 | annotation class Feature1FragmentKey(val value: KClass) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/di/keys/Feature1ViewModelKey.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.di.keys 2 | 3 | import androidx.lifecycle.ViewModel 4 | import dagger.MapKey 5 | import kotlin.reflect.KClass 6 | 7 | @MapKey 8 | @Target(AnnotationTarget.FUNCTION) 9 | annotation class Feature1ViewModelKey(val value: KClass) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/fragments/Feature1FragmentFactory.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.fragments 2 | 3 | import android.util.Log 4 | import androidx.fragment.app.Fragment 5 | import androidx.fragment.app.FragmentFactory 6 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 7 | import javax.inject.Inject 8 | import javax.inject.Provider 9 | 10 | @Feature1FragmentScope 11 | class Feature1FragmentFactory 12 | @Inject 13 | constructor( 14 | private val creators: Map, @JvmSuppressWildcards Provider> 15 | ) : FragmentFactory() { 16 | 17 | private val TAG: String = "AppDebug" 18 | 19 | override fun instantiate(classLoader: ClassLoader, className: String): Fragment { 20 | val fragmentClass = loadFragmentClass(classLoader, className) 21 | val creator = creators[fragmentClass] 22 | ?: return createFragmentAsFallback(classLoader, className) 23 | 24 | try { 25 | return creator.get() 26 | } catch (e: Exception) { 27 | throw RuntimeException(e) 28 | } 29 | } 30 | 31 | private fun createFragmentAsFallback(classLoader: ClassLoader, className: String): Fragment { 32 | Log.d(TAG, "No creator found for class: $className. Using default constructor") 33 | return super.instantiate(classLoader, className) 34 | } 35 | 36 | companion object{ 37 | 38 | const val FRAGMENT_FACTORY_NAME = "Feature1FragmentFactory" 39 | } 40 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/fragments/Feature1NavHostFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.fragments 2 | 3 | import android.content.Context 4 | import android.os.Bundle 5 | import android.util.Log 6 | import androidx.annotation.NavigationRes 7 | import androidx.navigation.fragment.NavHostFragment 8 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 9 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 10 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 11 | import java.lang.ClassCastException 12 | import javax.inject.Inject 13 | 14 | @Feature1FragmentScope 15 | class Feature1NavHostFragment : NavHostFragment(){ 16 | 17 | private val TAG: String = "AppDebug" 18 | 19 | lateinit var mainNavController: MainNavController 20 | 21 | @Inject 22 | lateinit var feature1FragmentFactory: Feature1FragmentFactory 23 | 24 | override fun onAttach(context: Context) { 25 | ((activity?.application) as BaseApplication) 26 | .getAppComponent() 27 | .feature1Component() 28 | .create() 29 | .inject(this) 30 | childFragmentManager.fragmentFactory = feature1FragmentFactory 31 | try{ 32 | mainNavController = context as MainNavController 33 | }catch (e: ClassCastException){ 34 | Log.e(TAG, "$context must implement MainNavController" ) 35 | } 36 | super.onAttach(context) 37 | } 38 | 39 | override fun onCreate(savedInstanceState: Bundle?) { 40 | super.onCreate(savedInstanceState) 41 | mainNavController.setNavController(this.navController) 42 | mainNavController.setupNavDrawer() 43 | } 44 | 45 | companion object{ 46 | 47 | const val KEY_GRAPH_ID = "android-support-nav:fragment:graphId" 48 | 49 | @JvmStatic 50 | fun create( 51 | @NavigationRes graphId: Int = 0 52 | ): Feature1NavHostFragment{ 53 | var bundle: Bundle? = null 54 | if(graphId != 0){ 55 | bundle = Bundle() 56 | bundle.putInt(KEY_GRAPH_ID, graphId) 57 | } 58 | val result = Feature1NavHostFragment() 59 | if(bundle != null){ 60 | result.arguments = bundle 61 | } 62 | return result 63 | } 64 | } 65 | 66 | } 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/repository/Feature1Repository.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.repository 2 | 3 | interface Feature1Repository { 4 | 5 | suspend fun getFeature1MainString(): String 6 | 7 | suspend fun getFeature1NextString(): String 8 | 9 | suspend fun getFeature1FinalString(): String 10 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/repository/Feature1RepositoryImpl.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.repository 2 | 3 | import com.codingwithmitch.daggermultifeature.feature1.data.Feature1LocalDataSource 4 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 5 | import javax.inject.Inject 6 | 7 | @Feature1FragmentScope 8 | class Feature1RepositoryImpl 9 | @Inject 10 | constructor( 11 | private val feature1LocalDataSource: Feature1LocalDataSource 12 | ): Feature1Repository{ 13 | 14 | override suspend fun getFeature1MainString(): String { 15 | return feature1LocalDataSource.getFeature1MainString() 16 | } 17 | 18 | override suspend fun getFeature1NextString(): String { 19 | return feature1LocalDataSource.getFeature1NextString() 20 | } 21 | 22 | override suspend fun getFeature1FinalString(): String { 23 | return feature1LocalDataSource.getFeature1FinalString() 24 | } 25 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/ui/Feature1FinalFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.ui 2 | 3 | 4 | import android.content.Context 5 | import android.os.Bundle 6 | import android.util.Log 7 | import android.view.View 8 | import androidx.fragment.app.Fragment 9 | import androidx.fragment.app.viewModels 10 | import androidx.lifecycle.Observer 11 | 12 | import com.codingwithmitch.daggermultifeature.R 13 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 14 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 15 | import com.codingwithmitch.daggermultifeature.feature1.viewmodels.Feature1ViewModelFactory 16 | import kotlinx.android.synthetic.main.fragment_feature1_next.fragment_name 17 | import javax.inject.Inject 18 | 19 | class Feature1FinalFragment 20 | @Inject 21 | constructor( 22 | private val viewModelFactory: Feature1ViewModelFactory 23 | ): Fragment(R.layout.fragment_feature1_final) { 24 | 25 | private val TAG: String = "AppDebug" 26 | 27 | val viewModel: Feature1ViewModel by viewModels { 28 | viewModelFactory 29 | } 30 | 31 | lateinit var mainNavController: MainNavController 32 | 33 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 34 | super.onViewCreated(view, savedInstanceState) 35 | subscribeObservers() 36 | initUI() 37 | } 38 | 39 | private fun subscribeObservers(){ 40 | viewModel.feature1FinalString.observe(viewLifecycleOwner, Observer { finalString -> 41 | fragment_name.text = finalString 42 | }) 43 | } 44 | 45 | private fun initUI(){ 46 | mainNavController.setDrawerItemChecked(R.id.nav_feature1) 47 | viewModel.retrieveFinalString() 48 | } 49 | 50 | override fun onAttach(context: Context) { 51 | try{ 52 | mainNavController = context as MainNavController 53 | }catch(e: ClassCastException){ 54 | Log.e(TAG, "$context must implement MainNavController" ) 55 | } 56 | super.onAttach(context) 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/ui/Feature1MainFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.ui 2 | 3 | 4 | import android.content.Context 5 | import android.os.Bundle 6 | import android.util.Log 7 | import androidx.fragment.app.Fragment 8 | import android.view.View 9 | import androidx.fragment.app.viewModels 10 | import androidx.lifecycle.Observer 11 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 12 | 13 | import com.codingwithmitch.daggermultifeature.R 14 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 15 | import com.codingwithmitch.daggermultifeature.feature1.viewmodels.Feature1ViewModelFactory 16 | import kotlinx.android.synthetic.main.fragment_feature1_main.* 17 | import javax.inject.Inject 18 | 19 | class Feature1MainFragment 20 | @Inject 21 | constructor( 22 | private val viewModelFactory: Feature1ViewModelFactory 23 | ): Fragment(R.layout.fragment_feature1_main) { 24 | 25 | private val TAG: String = "AppDebug" 26 | 27 | val viewModel: Feature1ViewModel by viewModels { 28 | viewModelFactory 29 | } 30 | 31 | lateinit var mainNavController: MainNavController 32 | 33 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 34 | super.onViewCreated(view, savedInstanceState) 35 | 36 | btn_go_next.setOnClickListener { 37 | mainNavController.navController().navigate(R.id.action_feature1MainFragment_to_feature1NextFragment) 38 | } 39 | 40 | subscribeObservers() 41 | initUI() 42 | } 43 | 44 | private fun subscribeObservers(){ 45 | viewModel.feature1MainString.observe(viewLifecycleOwner, Observer { mainString -> 46 | fragment_name.text = mainString 47 | }) 48 | } 49 | 50 | private fun initUI(){ 51 | mainNavController.setDrawerItemChecked(R.id.nav_feature1) 52 | viewModel.retrieveMainString() 53 | } 54 | 55 | override fun onAttach(context: Context) { 56 | try{ 57 | mainNavController = context as MainNavController 58 | }catch(e: ClassCastException){ 59 | Log.e(TAG, "$context must implement MainNavController" ) 60 | } 61 | super.onAttach(context) 62 | } 63 | } 64 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/ui/Feature1NextFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.ui 2 | 3 | 4 | import android.content.Context 5 | import android.os.Bundle 6 | import android.util.Log 7 | import androidx.fragment.app.Fragment 8 | import android.view.View 9 | import androidx.fragment.app.viewModels 10 | import androidx.lifecycle.Observer 11 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 12 | 13 | import com.codingwithmitch.daggermultifeature.R 14 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 15 | import com.codingwithmitch.daggermultifeature.feature1.viewmodels.Feature1ViewModelFactory 16 | import kotlinx.android.synthetic.main.fragment_feature1_main.fragment_name 17 | import kotlinx.android.synthetic.main.fragment_feature1_next.* 18 | import javax.inject.Inject 19 | 20 | class Feature1NextFragment 21 | @Inject 22 | constructor( 23 | private val viewModelFactory: Feature1ViewModelFactory 24 | ): Fragment(R.layout.fragment_feature1_next) { 25 | 26 | private val TAG: String = "AppDebug" 27 | 28 | val viewModel: Feature1ViewModel by viewModels { 29 | viewModelFactory 30 | } 31 | 32 | lateinit var mainNavController: MainNavController 33 | 34 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 35 | super.onViewCreated(view, savedInstanceState) 36 | subscribeObservers() 37 | initUI() 38 | 39 | btn_go_final.setOnClickListener { 40 | mainNavController.navController().navigate(R.id.action_feature1NextFragment_to_feature1FinalFragment) 41 | } 42 | } 43 | 44 | private fun subscribeObservers(){ 45 | viewModel.feature1NextString.observe(viewLifecycleOwner, Observer { nextString -> 46 | fragment_name.text = nextString 47 | }) 48 | } 49 | 50 | private fun initUI(){ 51 | mainNavController.setDrawerItemChecked(R.id.nav_feature1) 52 | viewModel.retrieveNextString() 53 | } 54 | 55 | override fun onAttach(context: Context) { 56 | super.onAttach(context) 57 | try{ 58 | mainNavController = context as MainNavController 59 | }catch(e: ClassCastException){ 60 | Log.e(TAG, "$context must implement MainNavController" ) 61 | } 62 | } 63 | 64 | } 65 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/ui/Feature1ViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.ui 2 | 3 | import androidx.lifecycle.LiveData 4 | import androidx.lifecycle.MutableLiveData 5 | import androidx.lifecycle.ViewModel 6 | import androidx.lifecycle.viewModelScope 7 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 8 | import com.codingwithmitch.daggermultifeature.feature1.repository.Feature1Repository 9 | import kotlinx.coroutines.cancel 10 | import kotlinx.coroutines.launch 11 | import javax.inject.Inject 12 | 13 | @Feature1FragmentScope 14 | class Feature1ViewModel 15 | @Inject 16 | constructor( 17 | private val feature1Repository: Feature1Repository 18 | ) : ViewModel(){ 19 | 20 | 21 | private val _feature1MainString: MutableLiveData = MutableLiveData() 22 | private val _feature1NextString: MutableLiveData = MutableLiveData() 23 | private val _feature1FinalString: MutableLiveData = MutableLiveData() 24 | 25 | val feature1MainString: LiveData get() = _feature1MainString 26 | val feature1NextString: LiveData get() = _feature1NextString 27 | val feature1FinalString: LiveData get() = _feature1FinalString 28 | 29 | fun retrieveMainString(){ 30 | viewModelScope.launch { 31 | val mainString = feature1Repository.getFeature1MainString() 32 | _feature1MainString.value = mainString 33 | } 34 | } 35 | 36 | fun retrieveNextString(){ 37 | viewModelScope.launch { 38 | val nextString = feature1Repository.getFeature1NextString() 39 | _feature1NextString.value = nextString 40 | } 41 | } 42 | 43 | fun retrieveFinalString(){ 44 | viewModelScope.launch { 45 | val finalString = feature1Repository.getFeature1FinalString() 46 | _feature1FinalString.value = finalString 47 | } 48 | } 49 | 50 | override fun onCleared() { 51 | super.onCleared() 52 | viewModelScope.cancel() 53 | } 54 | } 55 | 56 | 57 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/feature1/viewmodels/Feature1ViewModelFactory.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.feature1.viewmodels 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import com.codingwithmitch.daggermultifeature.feature1.di.Feature1FragmentScope 6 | import javax.inject.Inject 7 | import javax.inject.Provider 8 | 9 | @Feature1FragmentScope 10 | class Feature1ViewModelFactory 11 | @Inject 12 | constructor( 13 | private val creators: Map, @JvmSuppressWildcards Provider> 14 | ) : ViewModelProvider.Factory { 15 | 16 | override fun create(modelClass: Class): T { 17 | val creator = creators[modelClass] ?: creators.entries.firstOrNull { 18 | modelClass.isAssignableFrom(it.key) 19 | }?.value ?: throw IllegalArgumentException("unknown model class $modelClass") 20 | try { 21 | @Suppress("UNCHECKED_CAST") 22 | return creator.get() as T 23 | } catch (e: Exception) { 24 | throw RuntimeException(e) 25 | } 26 | 27 | } 28 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/data/MainLocalDataSource.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.data 2 | 3 | interface MainLocalDataSource { 4 | 5 | suspend fun getMainString(): String 6 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/data/MainLocalDataSourceImpl.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.data 2 | 3 | import javax.inject.Inject 4 | 5 | class MainLocalDataSourceImpl 6 | @Inject 7 | constructor(): 8 | MainLocalDataSource { 9 | 10 | override suspend fun getMainString(): String { 11 | return "MainFragment" 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/MainComponent.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di 2 | 3 | import com.codingwithmitch.daggermultifeature.main.fragments.MainNavHostFragment 4 | import com.codingwithmitch.daggermultifeature.main.ui.MainFragment 5 | import dagger.Subcomponent 6 | 7 | 8 | @MainFragmentScope 9 | @Subcomponent( 10 | modules = [ 11 | MainModule::class, 12 | ViewModelModule::class, 13 | MainFragmentBuildersModule::class 14 | ] 15 | ) 16 | interface MainComponent { 17 | 18 | @Subcomponent.Factory 19 | interface Factory{ 20 | 21 | fun create(): MainComponent 22 | } 23 | 24 | fun inject(mainNavHostFragment: MainNavHostFragment) 25 | 26 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/MainFragmentBuildersModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di 2 | 3 | import androidx.fragment.app.Fragment 4 | import androidx.fragment.app.FragmentFactory 5 | import com.codingwithmitch.daggermultifeature.main.di.keys.MainFragmentKey 6 | import com.codingwithmitch.daggermultifeature.main.fragments.MainFragmentFactory 7 | import com.codingwithmitch.daggermultifeature.main.fragments.MainNavHostFragment 8 | import com.codingwithmitch.daggermultifeature.main.ui.MainFragment 9 | import dagger.Binds 10 | import dagger.Module 11 | import dagger.multibindings.IntoMap 12 | 13 | @Module 14 | abstract class MainFragmentBuildersModule { 15 | 16 | @Binds 17 | abstract fun bindFragmentFactory(mainFragmentFactory: MainFragmentFactory): FragmentFactory 18 | 19 | @Binds 20 | @IntoMap 21 | @MainFragmentKey(MainFragment::class) 22 | abstract fun bindMainFragment(mainFragment: MainFragment): Fragment 23 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/MainFragmentScope.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di 2 | 3 | import javax.inject.Scope 4 | 5 | @Scope 6 | @Retention(value = AnnotationRetention.RUNTIME) 7 | annotation class MainFragmentScope -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/MainModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di 2 | 3 | import com.codingwithmitch.daggermultifeature.main.data.MainLocalDataSource 4 | import com.codingwithmitch.daggermultifeature.main.data.MainLocalDataSourceImpl 5 | import com.codingwithmitch.daggermultifeature.main.repository.MainRepository 6 | import com.codingwithmitch.daggermultifeature.main.repository.MainRepositoryImpl 7 | import dagger.Module 8 | import dagger.Provides 9 | 10 | @Module 11 | object MainModule { 12 | 13 | @MainFragmentScope 14 | @Provides 15 | @JvmStatic 16 | fun provideMainLocalDataSource(): MainLocalDataSource { 17 | return MainLocalDataSourceImpl() 18 | } 19 | 20 | @MainFragmentScope 21 | @Provides 22 | @JvmStatic 23 | fun provideMainRepository(localDataSource: MainLocalDataSource): MainRepository { 24 | return MainRepositoryImpl( 25 | localDataSource 26 | ) 27 | } 28 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/ViewModelModule.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import com.codingwithmitch.daggermultifeature.main.di.keys.MainViewModelKey 6 | import com.codingwithmitch.daggermultifeature.main.ui.MainViewModel 7 | import com.codingwithmitch.daggermultifeature.main.viewmodels.MainViewModelFactory 8 | import dagger.Binds 9 | import dagger.Module 10 | import dagger.multibindings.IntoMap 11 | 12 | @Module 13 | abstract class ViewModelModule{ 14 | 15 | @Binds 16 | abstract fun bindViewModelFactory(factory: MainViewModelFactory): ViewModelProvider.Factory 17 | 18 | @Binds 19 | @IntoMap 20 | @MainViewModelKey(MainViewModel::class) 21 | abstract fun bindMainViewModel(viewModel: MainViewModel): ViewModel 22 | 23 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/keys/MainFragmentKey.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di.keys 2 | 3 | import androidx.fragment.app.Fragment 4 | import dagger.MapKey 5 | import kotlin.reflect.KClass 6 | 7 | @MapKey 8 | @Target(AnnotationTarget.FUNCTION) 9 | annotation class MainFragmentKey(val value: KClass) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/di/keys/MainViewModelKey.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.di.keys 2 | 3 | import androidx.lifecycle.ViewModel 4 | import dagger.MapKey 5 | import kotlin.reflect.KClass 6 | 7 | @MapKey 8 | @Target(AnnotationTarget.FUNCTION) 9 | annotation class MainViewModelKey(val value: KClass) 10 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/fragments/MainFragmentFactory.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.fragments 2 | 3 | import android.util.Log 4 | import androidx.fragment.app.Fragment 5 | import androidx.fragment.app.FragmentFactory 6 | import com.codingwithmitch.daggermultifeature.main.di.MainFragmentScope 7 | import javax.inject.Inject 8 | import javax.inject.Provider 9 | 10 | @MainFragmentScope 11 | class MainFragmentFactory 12 | @Inject 13 | constructor( 14 | private val creators: Map, @JvmSuppressWildcards Provider> 15 | ) : FragmentFactory() { 16 | 17 | private val TAG: String = "AppDebug" 18 | 19 | override fun instantiate(classLoader: ClassLoader, className: String): Fragment { 20 | val fragmentClass = loadFragmentClass(classLoader, className) 21 | val creator = creators[fragmentClass] 22 | ?: return createFragmentAsFallback(classLoader, className) 23 | 24 | try { 25 | return creator.get() 26 | } catch (e: Exception) { 27 | throw RuntimeException(e) 28 | } 29 | } 30 | 31 | private fun createFragmentAsFallback(classLoader: ClassLoader, className: String): Fragment { 32 | Log.d(TAG, "No creator found for class: $className. Using default constructor") 33 | return super.instantiate(classLoader, className) 34 | } 35 | 36 | companion object{ 37 | 38 | const val FRAGMENT_FACTORY_NAME = "MainFragmentFactory" 39 | } 40 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/fragments/MainNavHostFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.fragments 2 | 3 | import android.content.Context 4 | import android.os.Bundle 5 | import android.util.Log 6 | import androidx.annotation.NavigationRes 7 | import androidx.navigation.fragment.NavHostFragment 8 | import com.codingwithmitch.daggermultifeature.app.BaseApplication 9 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 10 | import com.codingwithmitch.daggermultifeature.main.di.MainFragmentScope 11 | import java.lang.ClassCastException 12 | import javax.inject.Inject 13 | 14 | @MainFragmentScope 15 | class MainNavHostFragment : NavHostFragment(){ 16 | 17 | private val TAG: String = "AppDebug" 18 | 19 | lateinit var mainNavController: MainNavController 20 | 21 | @Inject 22 | lateinit var mainFragmentFactory: MainFragmentFactory 23 | 24 | override fun onAttach(context: Context) { 25 | ((activity?.application) as BaseApplication) 26 | .getAppComponent() 27 | .mainComponent() 28 | .create() 29 | .inject(this) 30 | 31 | childFragmentManager.fragmentFactory = mainFragmentFactory 32 | try{ 33 | mainNavController = context as MainNavController 34 | }catch (e: ClassCastException){ 35 | Log.e(TAG, "$context must implement MainNavController" ) 36 | } 37 | super.onAttach(context) 38 | } 39 | 40 | override fun onCreate(savedInstanceState: Bundle?) { 41 | super.onCreate(savedInstanceState) 42 | mainNavController.setNavController(this.navController) 43 | mainNavController.setupNavDrawer() 44 | } 45 | 46 | companion object{ 47 | 48 | const val KEY_GRAPH_ID = "android-support-nav:fragment:graphId" 49 | 50 | @JvmStatic 51 | fun create( 52 | @NavigationRes graphId: Int = 0 53 | ): MainNavHostFragment { 54 | var bundle: Bundle? = null 55 | if(graphId != 0){ 56 | bundle = Bundle() 57 | bundle.putInt(KEY_GRAPH_ID, graphId) 58 | } 59 | val result = MainNavHostFragment() 60 | if(bundle != null){ 61 | result.arguments = bundle 62 | } 63 | return result 64 | } 65 | } 66 | } 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/repository/MainRepository.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.repository 2 | 3 | interface MainRepository { 4 | 5 | suspend fun getHomeString(): String 6 | } -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/repository/MainRepositoryImpl.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.repository 2 | 3 | import com.codingwithmitch.daggermultifeature.main.data.MainLocalDataSource 4 | import javax.inject.Inject 5 | 6 | 7 | class MainRepositoryImpl 8 | @Inject 9 | constructor( 10 | private val localDataSource: MainLocalDataSource 11 | ) : MainRepository { 12 | 13 | override suspend fun getHomeString(): String { 14 | return localDataSource.getMainString() 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/ui/MainFragment.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.ui 2 | 3 | 4 | import android.content.Context 5 | import android.os.Bundle 6 | import android.util.Log 7 | import androidx.fragment.app.Fragment 8 | import android.view.View 9 | import androidx.fragment.app.viewModels 10 | import androidx.lifecycle.Observer 11 | 12 | import com.codingwithmitch.daggermultifeature.R 13 | import com.codingwithmitch.daggermultifeature.app.ui.MainNavController 14 | import com.codingwithmitch.daggermultifeature.main.viewmodels.MainViewModelFactory 15 | import kotlinx.android.synthetic.main.fragment_main.* 16 | import javax.inject.Inject 17 | import javax.inject.Named 18 | 19 | class MainFragment 20 | @Inject 21 | constructor( 22 | private val viewModelFactory: MainViewModelFactory, 23 | private @Named("application_name") val applicationName: String 24 | ): Fragment(R.layout.fragment_main){ 25 | 26 | private val TAG: String = "AppDebug" 27 | 28 | val viewModel: MainViewModel by viewModels { 29 | viewModelFactory 30 | } 31 | 32 | lateinit var mainNavController: MainNavController 33 | 34 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) { 35 | super.onViewCreated(view, savedInstanceState) 36 | 37 | btn_go_feature1.setOnClickListener { 38 | mainNavController.navFeature1() 39 | } 40 | 41 | subscribeObservers() 42 | initUI() 43 | } 44 | 45 | private fun subscribeObservers(){ 46 | viewModel.homeString.observe(viewLifecycleOwner, Observer { homeString -> 47 | fragment_name.text = homeString 48 | }) 49 | } 50 | 51 | private fun initUI(){ 52 | mainNavController.setDrawerItemChecked(R.id.nav_main) 53 | main_header.text = applicationName 54 | viewModel.retrieveHomeString() 55 | } 56 | 57 | override fun onAttach(context: Context) { 58 | super.onAttach(context) 59 | try{ 60 | mainNavController = context as MainNavController 61 | }catch(e: ClassCastException){ 62 | Log.e(TAG, "$context must implement MainNavController" ) 63 | } 64 | } 65 | 66 | } 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/ui/MainViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.ui 2 | 3 | import androidx.lifecycle.LiveData 4 | import androidx.lifecycle.MutableLiveData 5 | import androidx.lifecycle.ViewModel 6 | import androidx.lifecycle.viewModelScope 7 | import com.codingwithmitch.daggermultifeature.main.di.MainFragmentScope 8 | import com.codingwithmitch.daggermultifeature.main.repository.MainRepository 9 | import kotlinx.coroutines.cancel 10 | import kotlinx.coroutines.launch 11 | import javax.inject.Inject 12 | 13 | @MainFragmentScope 14 | class MainViewModel 15 | @Inject 16 | constructor( 17 | private val homeRepository: MainRepository 18 | ) : ViewModel(){ 19 | 20 | private val _homeString: MutableLiveData = MutableLiveData() 21 | 22 | val homeString: LiveData get() = _homeString 23 | 24 | fun retrieveHomeString(){ 25 | viewModelScope.launch { 26 | val homeString = homeRepository.getHomeString() 27 | _homeString.value = homeString 28 | } 29 | } 30 | 31 | override fun onCleared() { 32 | super.onCleared() 33 | viewModelScope.cancel() 34 | } 35 | } 36 | 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/java/com/codingwithmitch/daggermultifeature/main/viewmodels/MainViewModelFactory.kt: -------------------------------------------------------------------------------- 1 | package com.codingwithmitch.daggermultifeature.main.viewmodels 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.ViewModelProvider 5 | import javax.inject.Inject 6 | import javax.inject.Provider 7 | import javax.inject.Singleton 8 | 9 | class MainViewModelFactory 10 | @Inject 11 | constructor( 12 | private val creators: Map, @JvmSuppressWildcards Provider> 13 | ) : ViewModelProvider.Factory{ 14 | 15 | override fun create(modelClass: Class): T { 16 | val creator = creators[modelClass] ?: creators.entries.firstOrNull { 17 | modelClass.isAssignableFrom(it.key) 18 | }?.value ?: throw IllegalArgumentException("unknown model class $modelClass") 19 | try { 20 | @Suppress("UNCHECKED_CAST") 21 | return creator.get() as T 22 | } catch (e: Exception) { 23 | throw RuntimeException(e) 24 | } 25 | 26 | } 27 | } -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_accessibility_black_24dp.xml: -------------------------------------------------------------------------------- 1 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_android_black_24dp.xml: -------------------------------------------------------------------------------- 1 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_home_black_24dp.xml: -------------------------------------------------------------------------------- 1 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 | 74 | 75 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 15 | 16 | 23 | 24 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_feature1_final.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 11 | 24 | 25 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_feature1_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 |