From e8438018f88cc330c87ee80a4d9d43644a7c1d2a Mon Sep 17 00:00:00 2001
From: Roman Belyanin <bel.r.s@yandex.ru>
Date: Mon, 2 May 2022 20:59:17 +0300
Subject: [PATCH 1/3] Dagger2 homework

---
 app/build.gradle                              |  2 +
 app/src/main/AndroidManifest.xml              |  1 +
 .../ru/otus/daggerhomework/ActivityContext.kt |  7 ++++
 .../ru/otus/daggerhomework/ActivityScope.kt   |  7 ++++
 .../main/java/ru/otus/daggerhomework/App.kt   |  8 +++-
 .../daggerhomework/ApplicationComponent.kt    | 37 ++++++++++++++++++
 .../otus/daggerhomework/ApplicationContext.kt |  7 ++++
 .../ru/otus/daggerhomework/ColorGenerator.kt  |  3 +-
 .../otus/daggerhomework/FragmentProducer.kt   | 20 +++++++++-
 .../FragmentProducerComponent.kt              | 39 +++++++++++++++++++
 .../otus/daggerhomework/FragmentReceiver.kt   | 25 +++++++++++-
 .../FragmentReceiverComponent.kt              | 17 ++++++++
 .../ru/otus/daggerhomework/FragmentScope.kt   |  7 ++++
 .../ru/otus/daggerhomework/MainActivity.kt    | 18 ++++++++-
 .../daggerhomework/MainActivityComponent.kt   | 32 +++++++++++++++
 .../otus/daggerhomework/ViewModelProducer.kt  | 21 ++++++++--
 .../otus/daggerhomework/ViewModelReceiver.kt  | 35 +++++++++++++++--
 app/src/main/res/layout/activity_main.xml     | 22 ++++++++---
 18 files changed, 291 insertions(+), 17 deletions(-)
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/ActivityContext.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/ActivityScope.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/ApplicationContext.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/FragmentScope.kt
 create mode 100644 app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt

diff --git a/app/build.gradle b/app/build.gradle
index a5609bb9..03e3083a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -41,4 +41,6 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
     implementation 'com.google.dagger:dagger:2.38.1'
     kapt 'com.google.dagger:dagger-compiler:2.38.1'
+    implementation "androidx.activity:activity-ktx:1.3.+"
+    implementation 'androidx.fragment:fragment-ktx:1.3.+'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index fe328c68..52c72c96 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,6 +8,7 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
+        android:name=".App"
         android:supportsRtl="true"
         android:theme="@style/Theme.DaggerHomework">
         <activity android:name=".MainActivity">
diff --git a/app/src/main/java/ru/otus/daggerhomework/ActivityContext.kt b/app/src/main/java/ru/otus/daggerhomework/ActivityContext.kt
new file mode 100644
index 00000000..20f5bcae
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/ActivityContext.kt
@@ -0,0 +1,7 @@
+package ru.otus.daggerhomework
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.BINARY)
+annotation class ActivityContext
diff --git a/app/src/main/java/ru/otus/daggerhomework/ActivityScope.kt b/app/src/main/java/ru/otus/daggerhomework/ActivityScope.kt
new file mode 100644
index 00000000..33536baa
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/ActivityScope.kt
@@ -0,0 +1,7 @@
+package ru.otus.daggerhomework
+
+import javax.inject.Scope
+
+@Scope
+@Retention
+annotation class ActivityScope
diff --git a/app/src/main/java/ru/otus/daggerhomework/App.kt b/app/src/main/java/ru/otus/daggerhomework/App.kt
index de363626..3697c506 100644
--- a/app/src/main/java/ru/otus/daggerhomework/App.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/App.kt
@@ -2,5 +2,11 @@ package ru.otus.daggerhomework
 
 import android.app.Application
 
-class App :Application() {
+class App : Application() {
+
+    val appComponent by lazy {
+        DaggerApplicationComponent
+            .factory()
+            .create(this)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
index fc47f256..c8a15afd 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
@@ -1,4 +1,41 @@
 package ru.otus.daggerhomework
 
+import android.app.Application
+import android.content.Context
+import androidx.lifecycle.ViewModelProvider
+import dagger.*
+import kotlinx.coroutines.flow.MutableStateFlow
+import javax.inject.Singleton
+
+@Singleton
+@Component(modules = [ApplicationModule::class])
 interface ApplicationComponent {
+
+    @Component.Factory
+    interface Factory {
+        fun create(
+            @BindsInstance  @ApplicationContext context: Context
+        ): ApplicationComponent
+    }
+
+    @ApplicationContext
+    fun provideApplicationContext(): Context
+
+    fun provideColorGenerator(): ColorGenerator
+
+    fun provideState(): MutableStateFlow<Int>
+}
+
+@Module
+interface ApplicationModule {
+
+    companion object {
+        @Provides
+        @Singleton
+        fun provideState() = MutableStateFlow(0)
+    }
+
+    @Binds
+    @Singleton
+    fun bindColorGenerator(generator: ColorGeneratorImpl): ColorGenerator
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ApplicationContext.kt b/app/src/main/java/ru/otus/daggerhomework/ApplicationContext.kt
new file mode 100644
index 00000000..4f44e880
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/ApplicationContext.kt
@@ -0,0 +1,7 @@
+package ru.otus.daggerhomework
+
+import javax.inject.Qualifier
+
+@Qualifier
+@Retention(AnnotationRetention.BINARY)
+annotation class ApplicationContext
diff --git a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
index a9e25a27..f0ca940b 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
@@ -4,6 +4,7 @@ import android.graphics.Color
 import androidx.annotation.ColorInt
 import androidx.annotation.ColorRes
 import java.util.*
+import javax.inject.Inject
 
 interface ColorGenerator {
 
@@ -11,7 +12,7 @@ interface ColorGenerator {
     fun generateColor(): Int
 }
 
-class ColorGeneratorImpl : ColorGenerator {
+class ColorGeneratorImpl @Inject constructor() : ColorGenerator {
 
     override fun generateColor(): Int {
         val rnd = Random()
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
index 00dd10dc..9b58f3b9 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
@@ -1,26 +1,42 @@
 package ru.otus.daggerhomework
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.viewModels
+import javax.inject.Inject
 
 class FragmentProducer : Fragment() {
 
+
+    @Inject
+    lateinit var viewModelFactory: ProducerFactory
+    val viewModel: ViewModelProducer by viewModels {viewModelFactory}
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        FragmentProducerComponent.crete(
+//                ((requireContext().applicationContext as App).appComponent),
+                (requireActivity() as MainActivity).activityComponent
+        ).inject(this)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_a, container, true)
+        return inflater.inflate(R.layout.fragment_a, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         view.findViewById<Button>(R.id.button).setOnClickListener {
-            //отправить результат через livedata в другой фрагмент
+            viewModel.generateColor()
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
new file mode 100644
index 00000000..69059db9
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
@@ -0,0 +1,39 @@
+package ru.otus.daggerhomework
+
+import dagger.Component
+
+@FragmentScope
+@Component(dependencies = [MainActivityComponent::class])
+interface FragmentProducerComponent {
+
+    companion object {
+        fun crete(
+//            applicationComponent: ApplicationComponent,
+              activityComponent: MainActivityComponent
+        ) =
+            DaggerFragmentProducerComponent.builder()
+//                .applicationComponent(applicationComponent)
+                .mainActivityComponent(activityComponent)
+                .build()
+
+    }
+//
+//    @ActivityContext
+//    fun provideApplicationContext(): Context
+
+    fun inject(fragment: FragmentProducer)
+
+}
+//@Module
+//interface ProducerModule {
+//
+//    @Binds
+//    @IntoMap
+//    @ViewModelKey(ViewModelReceiver::class)
+//    abstract fun bindViewModelReceiver(viewModelProducer: ViewModelReceiver): ViewModel
+//
+//
+//    @Singleton
+//    @Binds
+//    abstract fun bindViewModelFactory(factory: ViewModelFactory): ViewModelProvider.Factory
+//}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
index e6a3d9af..06c03a16 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
@@ -1,5 +1,6 @@
 package ru.otus.daggerhomework
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -7,22 +8,44 @@ import android.view.ViewGroup
 import android.widget.Button
 import androidx.annotation.ColorInt
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.viewModels
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+import javax.inject.Named
 
 class FragmentReceiver : Fragment() {
 
+    @Inject
+    lateinit var viewModelFactory: ReceiverFactory
+    val viewModel: ViewModelReceiver by viewModels {viewModelFactory}
+
     private lateinit var frame: View
 
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        FragmentReceiverComponent
+            .create((requireContext().applicationContext as App).appComponent)
+            .inject(this)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_b, container, true)
+        return inflater.inflate(R.layout.fragment_b, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         frame = view.findViewById(R.id.frame)
+        GlobalScope.launch {
+            viewModel.stateFlow.collect {
+                populateColor(it)
+            }
+        }
     }
 
     fun populateColor(@ColorInt color: Int) {
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
new file mode 100644
index 00000000..f0b62e3d
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
@@ -0,0 +1,17 @@
+package ru.otus.daggerhomework
+
+import dagger.Component
+
+@FragmentScope
+@Component(dependencies = [ApplicationComponent::class])
+interface FragmentReceiverComponent {
+    companion object {
+
+        fun create (component: ApplicationComponent) =
+            DaggerFragmentReceiverComponent
+                .builder()
+                .applicationComponent(component)
+                .build()
+    }
+    fun inject(fragment: FragmentReceiver)
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentScope.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentScope.kt
new file mode 100644
index 00000000..671908e0
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentScope.kt
@@ -0,0 +1,7 @@
+package ru.otus.daggerhomework
+
+import javax.inject.Scope
+
+@Scope
+@Retention
+annotation class FragmentScope
diff --git a/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
index 1e7e2403..8c608dbb 100644
--- a/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
@@ -1,11 +1,27 @@
 package ru.otus.daggerhomework
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.FragmentTransaction
+import kotlinx.coroutines.flow.MutableStateFlow
+
 
 class MainActivity : AppCompatActivity() {
+
+    lateinit var activityComponent: MainActivityComponent
+
+
     override fun onCreate(savedInstanceState: Bundle?) {
+        activityComponent = DaggerMainActivityComponent.factory()
+            .crete(this, (this.applicationContext as App).appComponent)
+        activityComponent.inject(this)
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        val manager = supportFragmentManager
+        val transaction: FragmentTransaction = manager.beginTransaction()
+        transaction.add(R.id.container_fragment, FragmentProducer()).commit()
+        val transaction2: FragmentTransaction = manager.beginTransaction()
+        transaction2.add(R.id.container_fragment2, FragmentReceiver()).commit()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt b/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
new file mode 100644
index 00000000..869d7488
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
@@ -0,0 +1,32 @@
+package ru.otus.daggerhomework
+
+import android.content.Context
+import dagger.BindsInstance
+import dagger.Component
+import kotlinx.coroutines.flow.MutableStateFlow
+
+@ActivityScope
+@Component(dependencies = [ApplicationComponent::class])
+interface MainActivityComponent {
+
+    @Component.Factory
+    interface Factory {
+        fun crete(
+            @ActivityContext @BindsInstance context: Context,
+            applicationComponent: ApplicationComponent,
+        ): MainActivityComponent
+    }
+
+
+    fun inject(activity: MainActivity)
+
+    @ApplicationContext
+    fun provideApplicationContext(): Context
+
+    @ActivityContext
+    fun provideActivityContext(): Context
+
+    fun provideColorGenerator(): ColorGenerator
+
+    fun provideState(): MutableStateFlow<Int>
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt b/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
index cb805a7a..aea8c903 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
@@ -5,15 +5,30 @@ import android.content.Context
 import android.widget.Toast
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import kotlinx.coroutines.flow.MutableStateFlow
 import java.lang.RuntimeException
+import javax.inject.Inject
 
-class ViewModelProducer(
+class ViewModelProducer constructor (
     private val colorGenerator: ColorGenerator,
-    private val context: Context
+    private val context: Context,
+    private val state: MutableStateFlow<Int>
 ) : ViewModel() {
 
     fun generateColor() {
         if (context !is FragmentActivity) throw RuntimeException("Здесь нужен контекст активити")
-        Toast.makeText(context, "Color sent", Toast.LENGTH_LONG).show()
+        Toast.makeText(context, "Color sent ${colorGenerator.generateColor()}",
+            Toast.LENGTH_LONG).show()
+        state.value = colorGenerator.generateColor()
+    }
+}
+class ProducerFactory @Inject constructor(
+    private val colorGenerator: ColorGenerator,
+    @ActivityContext  private val context: Context,
+    val state: MutableStateFlow<Int>): ViewModelProvider.Factory {
+
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        return ViewModelProducer(colorGenerator, context, state) as T
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt b/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt
index 53ee6ff3..fc7d8db5 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt
@@ -5,14 +5,43 @@ import android.content.Context
 import android.widget.Toast
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.launch
 import java.lang.RuntimeException
+import javax.inject.Inject
 
-class ViewModelReceiver(
-    private val context: Context
+class ViewModelReceiver constructor (
+    private val context: Context,
+    val state: MutableStateFlow<Int>
 ) : ViewModel() {
 
+    private val mutableStateFlow = MutableStateFlow<Int>(0)
+    val stateFlow: StateFlow<Int>
+        get() = mutableStateFlow
+    init {
+        observeColors()
+    }
+
     fun observeColors() {
         if (context !is Application) throw RuntimeException("Здесь нужен контекст апликейшена")
-        Toast.makeText(context, "Color received", Toast.LENGTH_LONG).show()
+        viewModelScope.launch {
+            state.collect {
+                Toast.makeText(context, "Color received", Toast.LENGTH_LONG).show()
+                mutableStateFlow.value = it
+            }
+        }
+    }
+}
+
+class ReceiverFactory @Inject constructor(
+    @ApplicationContext  private val context: Context,
+    val state: MutableStateFlow<Int>): ViewModelProvider.Factory {
+
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        return ViewModelReceiver(context, state) as T
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 79ae6993..fc219c60 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,13 +7,25 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
+    <FrameLayout
+        android:id="@+id/container_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="300dp"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0" />
+
+    <FrameLayout
+        android:id="@+id/container_fragment2"
+        android:layout_width="match_parent"
+        android:layout_height="300dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/container_fragment" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

From 3dd5b8fbfcdea208df0998649702032660b0b188 Mon Sep 17 00:00:00 2001
From: Roman Belyanin <bel.r.s@yandex.ru>
Date: Mon, 2 May 2022 21:02:39 +0300
Subject: [PATCH 2/3] Dagger2 homework

---
 .../otus/daggerhomework/FragmentProducer.kt   |  1 -
 .../FragmentProducerComponent.kt              | 24 ++-----------------
 2 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
index 9b58f3b9..cfb9d9ed 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
@@ -20,7 +20,6 @@ class FragmentProducer : Fragment() {
     override fun onAttach(context: Context) {
         super.onAttach(context)
         FragmentProducerComponent.crete(
-//                ((requireContext().applicationContext as App).appComponent),
                 (requireActivity() as MainActivity).activityComponent
         ).inject(this)
     }
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
index 69059db9..a53145b0 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
@@ -8,32 +8,12 @@ interface FragmentProducerComponent {
 
     companion object {
         fun crete(
-//            applicationComponent: ApplicationComponent,
               activityComponent: MainActivityComponent
-        ) =
-            DaggerFragmentProducerComponent.builder()
-//                .applicationComponent(applicationComponent)
+        ) = DaggerFragmentProducerComponent.builder()
                 .mainActivityComponent(activityComponent)
                 .build()
 
     }
-//
-//    @ActivityContext
-//    fun provideApplicationContext(): Context
-
     fun inject(fragment: FragmentProducer)
 
-}
-//@Module
-//interface ProducerModule {
-//
-//    @Binds
-//    @IntoMap
-//    @ViewModelKey(ViewModelReceiver::class)
-//    abstract fun bindViewModelReceiver(viewModelProducer: ViewModelReceiver): ViewModel
-//
-//
-//    @Singleton
-//    @Binds
-//    abstract fun bindViewModelFactory(factory: ViewModelFactory): ViewModelProvider.Factory
-//}
\ No newline at end of file
+}
\ No newline at end of file

From e4f0630e5d1233ac1a44dc308552eed3a086abb2 Mon Sep 17 00:00:00 2001
From: Roman Belyanin <bel.r.s@yandex.ru>
Date: Sun, 8 May 2022 13:06:44 +0300
Subject: [PATCH 3/3] =?UTF-8?q?Dagger2=20homework=20=D0=98=D1=81=D0=BF?=
 =?UTF-8?q?=D1=80=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../daggerhomework/ApplicationComponent.kt    | 19 +-----------------
 .../FragmentProducerComponent.kt              | 14 ++++++++++++-
 .../otus/daggerhomework/FragmentReceiver.kt   |  6 ++++--
 .../FragmentReceiverComponent.kt              |  5 +++--
 .../daggerhomework/MainActivityComponent.kt   | 20 +++++++++++++------
 5 files changed, 35 insertions(+), 29 deletions(-)

diff --git a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
index c8a15afd..26ce9385 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
@@ -8,7 +8,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import javax.inject.Singleton
 
 @Singleton
-@Component(modules = [ApplicationModule::class])
+@Component()
 interface ApplicationComponent {
 
     @Component.Factory
@@ -21,21 +21,4 @@ interface ApplicationComponent {
     @ApplicationContext
     fun provideApplicationContext(): Context
 
-    fun provideColorGenerator(): ColorGenerator
-
-    fun provideState(): MutableStateFlow<Int>
-}
-
-@Module
-interface ApplicationModule {
-
-    companion object {
-        @Provides
-        @Singleton
-        fun provideState() = MutableStateFlow(0)
-    }
-
-    @Binds
-    @Singleton
-    fun bindColorGenerator(generator: ColorGeneratorImpl): ColorGenerator
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
index a53145b0..09cf3346 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducerComponent.kt
@@ -1,9 +1,13 @@
 package ru.otus.daggerhomework
 
+import dagger.Binds
 import dagger.Component
+import dagger.Module
+import javax.inject.Singleton
 
 @FragmentScope
-@Component(dependencies = [MainActivityComponent::class])
+@Component(dependencies = [MainActivityComponent::class],
+modules = [ProducerModule::class])
 interface FragmentProducerComponent {
 
     companion object {
@@ -16,4 +20,12 @@ interface FragmentProducerComponent {
     }
     fun inject(fragment: FragmentProducer)
 
+}
+
+@Module
+interface ProducerModule {
+
+    @Binds
+    @FragmentScope
+    fun bindColorGenerator(generator: ColorGeneratorImpl): ColorGenerator
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
index 06c03a16..55a5e5b8 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
@@ -9,6 +9,7 @@ import android.widget.Button
 import androidx.annotation.ColorInt
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
@@ -26,7 +27,8 @@ class FragmentReceiver : Fragment() {
     override fun onAttach(context: Context) {
         super.onAttach(context)
         FragmentReceiverComponent
-            .create((requireContext().applicationContext as App).appComponent)
+            .create((requireContext().applicationContext as App).appComponent,
+                (requireActivity() as MainActivity).activityComponent)
             .inject(this)
     }
 
@@ -41,7 +43,7 @@ class FragmentReceiver : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         frame = view.findViewById(R.id.frame)
-        GlobalScope.launch {
+        lifecycleScope.launch {
             viewModel.stateFlow.collect {
                 populateColor(it)
             }
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
index f0b62e3d..607e1a47 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiverComponent.kt
@@ -3,14 +3,15 @@ package ru.otus.daggerhomework
 import dagger.Component
 
 @FragmentScope
-@Component(dependencies = [ApplicationComponent::class])
+@Component(dependencies = [ApplicationComponent::class, MainActivityComponent::class])
 interface FragmentReceiverComponent {
     companion object {
 
-        fun create (component: ApplicationComponent) =
+        fun create (component: ApplicationComponent, activityComponent: MainActivityComponent) =
             DaggerFragmentReceiverComponent
                 .builder()
                 .applicationComponent(component)
+                .mainActivityComponent(activityComponent)
                 .build()
     }
     fun inject(fragment: FragmentReceiver)
diff --git a/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt b/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
index 869d7488..38c2b468 100644
--- a/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
@@ -3,10 +3,14 @@ package ru.otus.daggerhomework
 import android.content.Context
 import dagger.BindsInstance
 import dagger.Component
+import dagger.Module
+import dagger.Provides
 import kotlinx.coroutines.flow.MutableStateFlow
+import javax.inject.Singleton
 
 @ActivityScope
-@Component(dependencies = [ApplicationComponent::class])
+@Component(dependencies = [ApplicationComponent::class],
+modules = [MainActivityModule::class])
 interface MainActivityComponent {
 
     @Component.Factory
@@ -20,13 +24,17 @@ interface MainActivityComponent {
 
     fun inject(activity: MainActivity)
 
-    @ApplicationContext
-    fun provideApplicationContext(): Context
-
     @ActivityContext
     fun provideActivityContext(): Context
 
-    fun provideColorGenerator(): ColorGenerator
-
     fun provideState(): MutableStateFlow<Int>
 }
+
+@Module
+interface MainActivityModule {
+    companion object {
+        @Provides
+        @ActivityScope
+        fun provideState() = MutableStateFlow(0)
+    }
+}