diff --git a/app/build.gradle b/app/build.gradle
index 07e82a52..e6ecf6e1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 android {
-    compileSdk 34
+    compileSdk 36
 
     defaultConfig {
         applicationId "otus.gpb.homework.activities"
@@ -56,4 +56,6 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.13.1'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.12.0'
+    implementation 'androidx.activity:activity:1.11.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.2.1'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 811aafa1..35d683f6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,6 +11,29 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Activities"
-        tools:targetApi="31" />
+        tools:targetApi="31">
+        <activity
+            android:name=".ActivityD"
+            android:exported="false"
+            android:taskAffinity=".AffinityB" />
+        <activity
+            android:name=".ActivityC"
+            android:exported="false"
+            android:taskAffinity=".AffinityB" />
+        <activity
+            android:name=".ActivityB"
+            android:exported="false"
+            android:launchMode="singleTask"
+            android:taskAffinity=".AffinityB" />
+        <activity
+            android:name=".ActivityA"
+            android:exported="true"
+            android:launchMode="singleTask">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
new file mode 100644
index 00000000..f04e5f1e
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
@@ -0,0 +1,29 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class ActivityA : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_a)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        val btnOpenActivityB = findViewById<Button>(R.id.btn_open_ActivityB)
+        btnOpenActivityB.setOnClickListener {
+            val intent = Intent(this, ActivityB::class.java)
+            startActivity(intent)
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
new file mode 100644
index 00000000..10d40a77
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
@@ -0,0 +1,29 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class ActivityB : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_b)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        val btnOpenActivityC = findViewById<Button>(R.id.btn_open_ActivityC)
+        btnOpenActivityC.setOnClickListener {
+            val intent = Intent(this, ActivityC::class.java)
+            startActivity(intent)
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
new file mode 100644
index 00000000..14123279
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -0,0 +1,47 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class ActivityC : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_c)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        val btnOpenActivityA = findViewById<Button>(R.id.btn_open_ActivityA)
+        btnOpenActivityA.setOnClickListener {
+            val intent = Intent(this, ActivityA::class.java)
+            startActivity(intent)
+        }
+
+        val btnOpenActivityD = findViewById<Button>(R.id.btn_open_ActivityD)
+        btnOpenActivityD.setOnClickListener {
+            val intent = Intent(this, ActivityD::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+            startActivity(intent)
+        }
+
+        val btnCloseActivityC = findViewById<Button>(R.id.btn_close_ActivityC)
+        btnCloseActivityC.setOnClickListener {
+            finish()
+        }
+
+        val btnCloseStack = findViewById<Button>(R.id.btn_close_stack)
+        btnCloseStack.setOnClickListener {
+            finishAffinity()
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt b/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
new file mode 100644
index 00000000..1c403481
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
@@ -0,0 +1,20 @@
+package otus.gpb.homework.activities
+
+import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class ActivityD : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_d)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_a.xml b/app/src/main/res/layout/activity_a.xml
new file mode 100644
index 00000000..c558c629
--- /dev/null
+++ b/app/src/main/res/layout/activity_a.xml
@@ -0,0 +1,21 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#f44336"
+    tools:context=".ActivityA">
+
+    <Button
+        android:id="@+id/btn_open_ActivityB"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_open_activityb"
+        app:layout_constraintBottom_toBottomOf="parent"
+        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
diff --git a/app/src/main/res/layout/activity_b.xml b/app/src/main/res/layout/activity_b.xml
new file mode 100644
index 00000000..a6249448
--- /dev/null
+++ b/app/src/main/res/layout/activity_b.xml
@@ -0,0 +1,21 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#4caf50"
+    tools:context=".ActivityB">
+
+    <Button
+        android:id="@+id/btn_open_ActivityC"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_open_activityc"
+        app:layout_constraintBottom_toBottomOf="parent"
+        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
diff --git a/app/src/main/res/layout/activity_c.xml b/app/src/main/res/layout/activity_c.xml
new file mode 100644
index 00000000..b8885cf6
--- /dev/null
+++ b/app/src/main/res/layout/activity_c.xml
@@ -0,0 +1,51 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#2196f3"
+    tools:context=".ActivityC">
+
+    <Button
+        android:id="@+id/btn_open_ActivityA"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_open_activitya"
+        app:layout_constraintBottom_toTopOf="@id/btn_open_ActivityD"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/btn_open_ActivityD"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_open_activityd"
+        app:layout_constraintBottom_toTopOf="@id/btn_close_ActivityC"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/btn_open_ActivityA" />
+
+    <Button
+        android:id="@+id/btn_close_ActivityC"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_close_activityc"
+        app:layout_constraintBottom_toTopOf="@id/btn_close_stack"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/btn_open_ActivityD" />
+
+    <Button
+        android:id="@+id/btn_close_stack"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/btn_close_stack"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/btn_close_ActivityC" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_d.xml b/app/src/main/res/layout/activity_d.xml
new file mode 100644
index 00000000..1e287ddb
--- /dev/null
+++ b/app/src/main/res/layout/activity_d.xml
@@ -0,0 +1,11 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ffeb3b"
+    tools:context=".ActivityD">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 08ea3c61..82a7db01 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,9 @@
 <resources>
     <string name="app_name">Activities</string>
+    <string name="btn_open_activityb">Open ActivityB</string>
+    <string name="btn_open_activityc">Open ActivityC</string>
+    <string name="btn_open_activitya">Open ActivityA</string>
+    <string name="btn_close_activityc">Close ActivityC</string>
+    <string name="btn_open_activityd">Open ActivityD</string>
+    <string name="btn_close_stack">Close Stack</string>
 </resources>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 8ec48d7a..188f7fc6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.4.0' apply false
-    id 'com.android.library' version '8.4.0' apply false
+    id 'com.android.application' version '8.11.2' apply false
+    id 'com.android.library' version '8.11.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.9.23' apply false
     id "io.gitlab.arturbosch.detekt" version "1.21.0"
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fb9e5b80..7c7cf9f5 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Sat Aug 27 13:57:30 MSK 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME