diff --git a/app/build.gradle b/app/build.gradle
index a5609bb9..f4d074eb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,13 +5,13 @@ plugins {
 }
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
     buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "ru.otus.daggerhomework"
         minSdkVersion 23
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
 
@@ -41,4 +41,10 @@ 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 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.2'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2'
+
+    implementation 'androidx.fragment:fragment-ktx:1.4.1'
+    //    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.5.0-rc01")
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index fe328c68..82191fee 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,16 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="ru.otus.daggerhomework">
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.DaggerHomework">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/ru/otus/daggerhomework/App.kt b/app/src/main/java/ru/otus/daggerhomework/App.kt
index de363626..f76932ab 100644
--- a/app/src/main/java/ru/otus/daggerhomework/App.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/App.kt
@@ -1,6 +1,17 @@
 package ru.otus.daggerhomework
 
 import android.app.Application
+import ru.otus.daggerhomework.di.app.ApplicationComponent
+import ru.otus.daggerhomework.di.app.DaggerApplicationComponent
+
+class App : Application() {
+
+    val componentInstance: ApplicationComponent by lazy {
+        createApplicationComponent()
+    }
+
+    private fun createApplicationComponent(): ApplicationComponent = DaggerApplicationComponent
+        .factory()
+        .create(context = this)
 
-class App :Application() {
 }
\ 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
deleted file mode 100644
index fc47f256..00000000
--- a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package ru.otus.daggerhomework
-
-interface ApplicationComponent {
-}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
index a9e25a27..7262565a 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
@@ -2,8 +2,8 @@ package ru.otus.daggerhomework
 
 import android.graphics.Color
 import androidx.annotation.ColorInt
-import androidx.annotation.ColorRes
 import java.util.*
+import javax.inject.Inject
 
 interface ColorGenerator {
 
@@ -11,10 +11,15 @@ interface ColorGenerator {
     fun generateColor(): Int
 }
 
-class ColorGeneratorImpl : ColorGenerator {
+class ColorGeneratorImpl @Inject constructor() : ColorGenerator {
 
     override fun generateColor(): Int {
         val rnd = Random()
-        return Color.argb(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256))
+        return Color.argb(
+            255,
+            rnd.nextInt(256),
+            rnd.nextInt(256),
+            rnd.nextInt(256)
+        )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
index 00dd10dc..c5b92744 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentProducer.kt
@@ -6,9 +6,19 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
 import androidx.fragment.app.Fragment
+import javax.inject.Inject
 
 class FragmentProducer : Fragment() {
 
+    @Inject
+    lateinit var viewModelProducer: ViewModelProducer
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        injectDependencies()
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -20,7 +30,16 @@ class FragmentProducer : Fragment() {
     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
+            viewModelProducer.generateColor()
         }
     }
+
+    private fun injectDependencies() {
+        val component = (activity as MainActivity)
+            .activityComponent
+            .provideFragmentProducerComponentFactory()
+            .create()
+
+        component.inject(this)
+    }
 }
\ 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..e0c3aef2 100644
--- a/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/FragmentReceiver.kt
@@ -4,14 +4,26 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Button
 import androidx.annotation.ColorInt
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.launch
+import javax.inject.Inject
 
 class FragmentReceiver : Fragment() {
 
+    @Inject
+    lateinit var viewModelReceiver: ViewModelReceiver
+
     private lateinit var frame: View
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        injectDependencies()
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -23,9 +35,24 @@ class FragmentReceiver : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         frame = view.findViewById(R.id.frame)
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewModelReceiver
+                .colorsFlow
+                .collect(this@FragmentReceiver::populateColor)
+        }
     }
 
-    fun populateColor(@ColorInt color: Int) {
+    private fun populateColor(@ColorInt color: Int) {
         frame.setBackgroundColor(color)
     }
+
+    private fun injectDependencies() {
+        val component = (activity as MainActivity)
+            .activityComponent
+            .provideFragmentReceiverComponentFactory()
+            .create()
+
+        component.inject(this)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
index 1e7e2403..99d3e801 100644
--- a/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
@@ -1,11 +1,34 @@
 package ru.otus.daggerhomework
 
-import androidx.appcompat.app.AppCompatActivity
+import android.content.Context
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import ru.otus.daggerhomework.di.activity.ActivityComponent
+import ru.otus.daggerhomework.di.qualifiers.AppContext
+import javax.inject.Inject
 
 class MainActivity : AppCompatActivity() {
+
+    @AppContext
+    @Inject
+    lateinit var appContext: Context
+
+    val activityComponent: ActivityComponent by lazy {
+        createActivityComponent()
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
+        injectDependencies()
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
     }
+
+    private fun injectDependencies() {
+        activityComponent.inject(this)
+    }
+
+    private fun createActivityComponent(): ActivityComponent = (application as App)
+        .componentInstance
+        .provideActivityComponentFactory()
+        .create(context = this)
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt b/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
index cb805a7a..04cc9982 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ViewModelProducer.kt
@@ -1,19 +1,21 @@
 package ru.otus.daggerhomework
 
-import android.app.Activity
 import android.content.Context
 import android.widget.Toast
 import androidx.fragment.app.FragmentActivity
-import androidx.lifecycle.ViewModel
-import java.lang.RuntimeException
+import kotlinx.coroutines.flow.MutableStateFlow
+import ru.otus.daggerhomework.di.qualifiers.ActivityContext
+import javax.inject.Inject
 
-class ViewModelProducer(
+class ViewModelProducer @Inject constructor(
     private val colorGenerator: ColorGenerator,
-    private val context: Context
-) : ViewModel() {
+    @ActivityContext private val context: Context,
+    private val stateFlow: MutableStateFlow<Int>
+) {
 
     fun generateColor() {
         if (context !is FragmentActivity) throw RuntimeException("Здесь нужен контекст активити")
         Toast.makeText(context, "Color sent", Toast.LENGTH_LONG).show()
+        stateFlow.value = colorGenerator.generateColor()
     }
 }
\ 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..e7849ff5 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ViewModelReceiver.kt
@@ -2,16 +2,24 @@ package ru.otus.daggerhomework
 
 import android.app.Application
 import android.content.Context
+import android.util.Log
 import android.widget.Toast
-import androidx.fragment.app.FragmentActivity
-import androidx.lifecycle.ViewModel
-import java.lang.RuntimeException
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.onEach
+import ru.otus.daggerhomework.di.qualifiers.AppContext
+import javax.inject.Inject
 
-class ViewModelReceiver(
-    private val context: Context
-) : ViewModel() {
+class ViewModelReceiver @Inject constructor(
+    @AppContext private val context: Context,
+    flow: StateFlow<Int>
+) {
 
-    fun observeColors() {
+    val colorsFlow = flow
+        .filter { it != 0 }
+        .onEach { observeColors() }
+
+    private fun observeColors() {
         if (context !is Application) throw RuntimeException("Здесь нужен контекст апликейшена")
         Toast.makeText(context, "Color received", Toast.LENGTH_LONG).show()
     }
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/activity/ActivityComponent.kt b/app/src/main/java/ru/otus/daggerhomework/di/activity/ActivityComponent.kt
new file mode 100644
index 00000000..97c77c6d
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/activity/ActivityComponent.kt
@@ -0,0 +1,46 @@
+package ru.otus.daggerhomework.di.activity
+
+import android.content.Context
+import dagger.BindsInstance
+import dagger.Module
+import dagger.Provides
+import dagger.Subcomponent
+import kotlinx.coroutines.flow.MutableStateFlow
+import ru.otus.daggerhomework.MainActivity
+import ru.otus.daggerhomework.di.customscopes.ActivityScope
+import ru.otus.daggerhomework.di.fragment.FragmentProducerComponent
+import ru.otus.daggerhomework.di.fragment.FragmentReceiverComponent
+import ru.otus.daggerhomework.di.qualifiers.ActivityContext
+
+@ActivityScope
+@Subcomponent(modules = [ActivityComponentModule::class])
+interface ActivityComponent {
+
+    fun provideFragmentProducerComponentFactory(): FragmentProducerComponent.Factory
+
+    fun provideFragmentReceiverComponentFactory(): FragmentReceiverComponent.Factory
+
+    fun inject(activity: MainActivity)
+
+    @Subcomponent.Factory
+    interface Factory {
+        fun create(
+            @ActivityContext
+            @BindsInstance
+            context: Context
+        ): ActivityComponent
+    }
+}
+
+@Module(
+    subcomponents = [
+        FragmentProducerComponent::class,
+        FragmentProducerComponent::class
+    ]
+)
+class ActivityComponentModule {
+
+    @ActivityScope
+    @Provides
+    fun provideObserver(): MutableStateFlow<Int> = MutableStateFlow(0)
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/app/ApplicationComponent.kt b/app/src/main/java/ru/otus/daggerhomework/di/app/ApplicationComponent.kt
new file mode 100644
index 00000000..e34d8481
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/app/ApplicationComponent.kt
@@ -0,0 +1,29 @@
+package ru.otus.daggerhomework.di.app
+
+import android.content.Context
+import dagger.BindsInstance
+import dagger.Component
+import dagger.Module
+import ru.otus.daggerhomework.di.activity.ActivityComponent
+import ru.otus.daggerhomework.di.qualifiers.AppContext
+import javax.inject.Singleton
+
+@Singleton
+@Component(modules = [ApplicationComponentModule::class])
+interface ApplicationComponent {
+
+    fun provideActivityComponentFactory(): ActivityComponent.Factory
+
+    @Component.Factory
+    interface Factory {
+
+        fun create(
+            @AppContext
+            @BindsInstance
+            context: Context
+        ): ApplicationComponent
+    }
+}
+
+@Module(subcomponents = [ActivityComponent::class])
+class ApplicationComponentModule
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/customscopes/ActivityScope.kt b/app/src/main/java/ru/otus/daggerhomework/di/customscopes/ActivityScope.kt
new file mode 100644
index 00000000..d8b951a2
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/customscopes/ActivityScope.kt
@@ -0,0 +1,6 @@
+package ru.otus.daggerhomework.di.customscopes
+
+import javax.inject.Scope
+
+@Scope
+annotation class ActivityScope
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/customscopes/AppScope.kt b/app/src/main/java/ru/otus/daggerhomework/di/customscopes/AppScope.kt
new file mode 100644
index 00000000..f83603cc
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/customscopes/AppScope.kt
@@ -0,0 +1,6 @@
+package ru.otus.daggerhomework.di.customscopes
+
+import javax.inject.Scope
+
+@Scope
+annotation class AppScope
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentProducerComponent.kt b/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentProducerComponent.kt
new file mode 100644
index 00000000..e2a7140c
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentProducerComponent.kt
@@ -0,0 +1,29 @@
+package ru.otus.daggerhomework.di.fragment
+
+import dagger.Binds
+import dagger.Module
+import dagger.Subcomponent
+import ru.otus.daggerhomework.ColorGenerator
+import ru.otus.daggerhomework.ColorGeneratorImpl
+import ru.otus.daggerhomework.FragmentProducer
+
+@Subcomponent(modules = [FragmentProducerComponentBaseModule::class])
+interface FragmentProducerComponent {
+
+    fun inject(fragment: FragmentProducer)
+
+    @Subcomponent.Factory
+    interface Factory {
+
+        fun create(): FragmentProducerComponent
+    }
+}
+
+@Module
+interface FragmentProducerComponentBaseModule {
+
+    @Binds
+    fun bindColorGenerator(
+        colorGenerator: ColorGeneratorImpl
+    ): ColorGenerator
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentReceiverComponent.kt b/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentReceiverComponent.kt
new file mode 100644
index 00000000..3e20b7a7
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/fragment/FragmentReceiverComponent.kt
@@ -0,0 +1,29 @@
+package ru.otus.daggerhomework.di.fragment
+
+import dagger.Binds
+import dagger.Module
+import dagger.Subcomponent
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import ru.otus.daggerhomework.FragmentReceiver
+
+@Subcomponent(modules = [FragmentReceiverComponentModule::class])
+interface FragmentReceiverComponent {
+
+    fun inject(fragment: FragmentReceiver)
+
+    @Subcomponent.Factory
+    interface Factory {
+
+        fun create(): FragmentReceiverComponent
+    }
+}
+
+@Module
+interface FragmentReceiverComponentModule {
+
+    @Binds
+    fun provideStateFlow(
+        flow: MutableStateFlow<Int>
+    ): StateFlow<Int>
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/ActivityContext.kt b/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/ActivityContext.kt
new file mode 100644
index 00000000..b8c82670
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/ActivityContext.kt
@@ -0,0 +1,6 @@
+package ru.otus.daggerhomework.di.qualifiers
+
+import javax.inject.Qualifier
+
+@Qualifier
+annotation class ActivityContext
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/AppContext.kt b/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/AppContext.kt
new file mode 100644
index 00000000..10716392
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/di/qualifiers/AppContext.kt
@@ -0,0 +1,6 @@
+package ru.otus.daggerhomework.di.qualifiers
+
+import javax.inject.Qualifier
+
+@Qualifier
+annotation class AppContext
\ 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..91603315 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,19 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:weightSum="100"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+    <fragment
+        android:id="@+id/receiverFragment"
+        android:name="ru.otus.daggerhomework.FragmentReceiver"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="50" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+    <fragment
+        android:id="@+id/producerFragment"
+        android:name="ru.otus.daggerhomework.FragmentProducer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="50" />
+
+</androidx.appcompat.widget.LinearLayoutCompat>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_a.xml b/app/src/main/res/layout/fragment_a.xml
index 3ca899bb..9c58e1af 100644
--- a/app/src/main/res/layout/fragment_a.xml
+++ b/app/src/main/res/layout/fragment_a.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -14,4 +13,5 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file