diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index eae16063..89276e20 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,6 +4,7 @@
     package="ru.otus.daggerhomework">
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
diff --git a/app/src/main/java/ru/otus/daggerhomework/App.kt b/app/src/main/java/ru/otus/daggerhomework/App.kt
index 1113a982..6f93cdd0 100644
--- a/app/src/main/java/ru/otus/daggerhomework/App.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/App.kt
@@ -2,4 +2,8 @@ package ru.otus.daggerhomework
 
 import android.app.Application
 
-class App :Application()
\ No newline at end of file
+class App : Application() {
+    val component by lazy {
+        DaggerApplicationComponent.factory().build(this) }
+
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
index fc47f256..1d47094f 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ApplicationComponent.kt
@@ -1,4 +1,21 @@
 package ru.otus.daggerhomework
 
+import android.content.Context
+import dagger.BindsInstance
+import dagger.Component
+import dagger.Module
+import dagger.Provides
+import javax.inject.Named
+import javax.inject.Qualifier
+import javax.inject.Singleton
+
+@Singleton
+@Component
 interface ApplicationComponent {
-}
\ No newline at end of file
+
+    @Component.Factory
+    interface Factory {
+        fun build(@BindsInstance app: App) : ApplicationComponent
+    }
+}
+
diff --git a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
index a9e25a27..64c91669 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ColorGenerator.kt
@@ -2,8 +2,18 @@ package ru.otus.daggerhomework
 
 import android.graphics.Color
 import androidx.annotation.ColorInt
-import androidx.annotation.ColorRes
-import java.util.*
+import dagger.Binds
+import dagger.Module
+import java.util.Random
+import javax.inject.Inject
+
+@Module
+interface ColorGenModule {
+
+    @Binds
+    fun colorGenerator(impl: ColorGeneratorImpl) : ColorGenerator
+
+}
 
 interface ColorGenerator {
 
@@ -11,7 +21,7 @@ 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/MainActivity.kt b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
index ad87df48..d45dd505 100644
--- a/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivity.kt
@@ -1,11 +1,38 @@
 package ru.otus.daggerhomework
 
+import android.graphics.Color
 import android.os.Bundle
-import androidx.activity.ComponentActivity
+import androidx.fragment.app.FragmentActivity
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import javax.inject.Scope
+
+@Scope
+@Retention(AnnotationRetention.RUNTIME)
+annotation class MainActivityScope()
+
+class MainActivity() : FragmentActivity(), ColorSaver, ColorState
+{
+    private val _state = MutableStateFlow(Color.BLACK)
+
+    override val color: StateFlow<Int> = _state
+
+    override fun saveColor(color: Int) {
+        _state.value = color
+    }
+
+    lateinit var component: MainActivityComponent
 
-class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        component = DaggerMainActivityComponent.factory().build(applicationContext,this)
+        try {
+            setContentView(R.layout.activity_main)
+        }
+        catch (e: Exception) {
+            println(e)
+        }
     }
-}
\ No newline at end of file
+}
+
+val MainActivity.Component: MainActivityComponent get() = this.component
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..e608bd4d
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/MainActivityComponent.kt
@@ -0,0 +1,57 @@
+package ru.otus.daggerhomework
+
+import android.content.Context
+import dagger.BindsInstance
+import dagger.Component
+import dagger.Module
+import dagger.Provides
+import kotlinx.coroutines.flow.StateFlow
+import javax.inject.Qualifier
+
+@MainActivityScope
+@Component(
+    modules = [ColorModule::class, MainActivityModule::class])
+interface MainActivityComponent {
+
+    @Component.Factory
+    interface Factory {
+        fun build(@BindsInstance appContext: Context,
+                  @BindsInstance activity: MainActivity): MainActivityComponent
+    }
+
+    fun producerComponent(): ProducerFragmentComponent.Factory
+
+    fun receiverComponent(): ReceiverFragmentComponent.Factory
+}
+
+@Qualifier
+@Retention(AnnotationRetention.RUNTIME)
+annotation class MainActivityContext
+
+@Module
+object MainActivityModule {
+    @Provides
+    @MainActivityContext
+    fun getMainActivityContext(activity: MainActivity): Context = activity
+
+}
+
+@Module
+class ColorModule {
+
+    @Provides
+    @MainActivityScope
+    fun colorState(activity: MainActivity) : ColorState = activity
+
+    @Provides
+    @MainActivityScope
+    fun colorSetter(activity: MainActivity) : ColorSaver = activity
+}
+
+interface ColorSaver{
+    fun saveColor(color: Int)
+}
+
+interface ColorState{
+    val color: StateFlow<Int>
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ProducerFragment.kt b/app/src/main/java/ru/otus/daggerhomework/ProducerFragment.kt
index e0613b12..c4f672e3 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ProducerFragment.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ProducerFragment.kt
@@ -6,21 +6,34 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
 import androidx.fragment.app.Fragment
+import javax.inject.Inject
+import javax.inject.Scope
+
+@Scope
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ProducerFragmentScope()
 
 class ProducerFragment : Fragment() {
 
+    @Inject
+    lateinit var model: ProducerViewModel
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_producer, container, true)
+        (requireActivity() as MainActivity).Component
+            .producerComponent()
+            .create()
+            .inject(this)
+        return inflater.inflate(R.layout.fragment_producer, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         view.findViewById<Button>(R.id.button).setOnClickListener {
-            //отправить результат через flow в другой фрагмент
+            model.generateColor()
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/otus/daggerhomework/ProducerFragmentComponent.kt b/app/src/main/java/ru/otus/daggerhomework/ProducerFragmentComponent.kt
new file mode 100644
index 00000000..d9bad1f1
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/ProducerFragmentComponent.kt
@@ -0,0 +1,16 @@
+package ru.otus.daggerhomework
+
+import dagger.Subcomponent
+
+@ProducerFragmentScope
+@Subcomponent(
+    modules = [ColorGenModule::class])
+interface ProducerFragmentComponent {
+
+    @Subcomponent.Factory
+    interface Factory {
+        fun create(): ProducerFragmentComponent
+    }
+
+    fun inject(fragment: ProducerFragment)
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ProducerViewModel.kt b/app/src/main/java/ru/otus/daggerhomework/ProducerViewModel.kt
index 5bdf0271..99bc3487 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ProducerViewModel.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ProducerViewModel.kt
@@ -3,14 +3,17 @@ package ru.otus.daggerhomework
 import android.app.Activity
 import android.content.Context
 import android.widget.Toast
+import javax.inject.Inject
 
-class ProducerViewModel(
+class ProducerViewModel @Inject constructor (
+    private val color: ColorSaver,
     private val colorGenerator: ColorGenerator,
-    private val context: Context
+    @param:MainActivityContext private val context: Context
 ) {
 
     fun generateColor() {
         if (context !is Activity) throw RuntimeException("Activity context is required")
+        color.saveColor(colorGenerator.generateColor())
         Toast.makeText(context, "Color sent", Toast.LENGTH_LONG).show()
     }
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ReceiverFragment.kt b/app/src/main/java/ru/otus/daggerhomework/ReceiverFragment.kt
index 9ba5f764..e7a29f91 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ReceiverFragment.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ReceiverFragment.kt
@@ -6,25 +6,44 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.ColorInt
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+import javax.inject.Scope
 
+
+@Scope
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ReceiverFragmentScope()
 class ReceiverFragment : Fragment() {
 
+    @Inject
+    lateinit var model: ReceiverViewModel
     private lateinit var frame: View
 
+    lateinit var component: ReceiverFragmentComponent
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        return inflater.inflate(R.layout.fragment_receiver, container, true)
+        component = (requireActivity() as MainActivity).Component.receiverComponent().create()
+        component.inject(this)
+        return inflater.inflate(R.layout.fragment_receiver, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         frame = view.findViewById(R.id.frame)
+        lifecycleScope.launch {
+            model.observeColors().collect {
+                populateColor(it)
+            }
+        }
     }
 
     fun populateColor(@ColorInt color: Int) {
         frame.setBackgroundColor(color)
     }
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ReceiverFragmentComponent.kt b/app/src/main/java/ru/otus/daggerhomework/ReceiverFragmentComponent.kt
new file mode 100644
index 00000000..e3d639b1
--- /dev/null
+++ b/app/src/main/java/ru/otus/daggerhomework/ReceiverFragmentComponent.kt
@@ -0,0 +1,16 @@
+package ru.otus.daggerhomework
+
+import dagger.Subcomponent
+
+@ReceiverFragmentScope
+@Subcomponent()
+interface ReceiverFragmentComponent {
+
+    @Subcomponent.Factory
+    interface Factory {
+        fun create(): ReceiverFragmentComponent
+    }
+
+    fun inject(fragment: ReceiverFragment)
+
+}
diff --git a/app/src/main/java/ru/otus/daggerhomework/ReceiverViewModel.kt b/app/src/main/java/ru/otus/daggerhomework/ReceiverViewModel.kt
index 250875a6..a3452c81 100644
--- a/app/src/main/java/ru/otus/daggerhomework/ReceiverViewModel.kt
+++ b/app/src/main/java/ru/otus/daggerhomework/ReceiverViewModel.kt
@@ -3,13 +3,17 @@ package ru.otus.daggerhomework
 import android.app.Application
 import android.content.Context
 import android.widget.Toast
+import kotlinx.coroutines.flow.StateFlow
+import javax.inject.Inject
 
-class ReceiverViewModel(
+class ReceiverViewModel @Inject constructor(
+    private val state: ColorState,
     private val context: Context
 ) {
 
-    fun observeColors() {
+    fun observeColors(): StateFlow<Int> {
         if (context !is Application) throw RuntimeException("Application context is required")
         Toast.makeText(context, "Color received", Toast.LENGTH_LONG).show()
+        return state.color
     }
 }
\ 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..a8bce808 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,19 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     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" />
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/fragment_container_2"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="10"
+        android:name="ru.otus.daggerhomework.ProducerFragment"
+        tools:layout="@layout/fragment_producer" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/fragment_container_1"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:name="ru.otus.daggerhomework.ReceiverFragment"
+        tools:layout="@layout/fragment_receiver" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_receiver.xml b/app/src/main/res/layout/fragment_receiver.xml
index 4edb4339..19ad9ab6 100644
--- a/app/src/main/res/layout/fragment_receiver.xml
+++ b/app/src/main/res/layout/fragment_receiver.xml
@@ -2,4 +2,4 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/frame"
     android:layout_width="match_parent"
-    android:layout_height="match_parent" />
\ No newline at end of file
+    android:layout_height="match_parent"/>
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ab592426..d3e5b43d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -10,6 +10,7 @@ activityKtx = "1.10.0"
 fragmentKtx = "1.8.5"
 constraintlayout = "2.2.0"
 material = "1.12.0"
+firebaseFirestoreKtx = "26.0.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -22,6 +23,7 @@ androidx-activity-ktx = { group = "androidx.activity", name = "activity-ktx", ve
 androidx-fragment-ktx = { group = "androidx.fragment", name = "fragment-ktx", version.ref = "fragmentKtx" }
 androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
 google-material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+firebase-firestore-ktx = { group = "com.google.firebase", name = "firebase-firestore-ktx", version.ref = "firebaseFirestoreKtx" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }