From 90f3f7393715ccf8adc2f8aa5a4c99ce0d4f8d51 Mon Sep 17 00:00:00 2001
From: Andrey Efimov <aiefimov@sberbank.ru>
Date: Mon, 29 May 2023 18:03:02 +0300
Subject: [PATCH 1/2] task1

---
 app/src/main/AndroidManifest.xml              | 21 ++++++++++-
 .../otus/gpb/homework/activities/ActivityA.kt | 14 ++++++++
 .../otus/gpb/homework/activities/ActivityB.kt | 14 ++++++++
 .../otus/gpb/homework/activities/ActivityC.kt | 17 +++++++++
 .../otus/gpb/homework/activities/ActivityD.kt | 11 ++++++
 app/src/main/res/layout/activity_a.xml        | 17 +++++++++
 app/src/main/res/layout/activity_b.xml        | 17 +++++++++
 app/src/main/res/layout/activity_c.xml        | 35 +++++++++++++++++++
 app/src/main/res/layout/activity_d.xml        | 10 ++++++
 9 files changed, 155 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
 create mode 100644 app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
 create mode 100644 app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
 create mode 100644 app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
 create mode 100644 app/src/main/res/layout/activity_a.xml
 create mode 100644 app/src/main/res/layout/activity_b.xml
 create mode 100644 app/src/main/res/layout/activity_c.xml
 create mode 100644 app/src/main/res/layout/activity_d.xml

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f318e6c..963cc16 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,25 @@
         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" />
+        <activity
+            android:name=".ActivityC"
+            android:exported="false" />
+        <activity
+            android:name=".ActivityB"
+            android:exported="false" />
+        <activity
+            android:name=".ActivityA"
+            android:exported="true">
+            <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 0000000..d403908
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
@@ -0,0 +1,14 @@
+package otus.gpb.homework.activities
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Button
+
+class ActivityA : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_a)
+
+        findViewById<Button>(R.id.buttonActivityAOpenB).setOnClickListener {}
+    }
+}
\ 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 0000000..fd29235
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
@@ -0,0 +1,14 @@
+package otus.gpb.homework.activities
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Button
+
+class ActivityB : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_b)
+
+        findViewById<Button>(R.id.buttonActivityBOpenC).setOnClickListener {}
+    }
+}
\ 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 0000000..ec9b013
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -0,0 +1,17 @@
+package otus.gpb.homework.activities
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Button
+
+class ActivityC : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_c)
+
+        findViewById<Button>(R.id.buttonActivityCOpenA).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityCOpenD).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityCClose).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityCCloseStack).setOnClickListener {}
+    }
+}
\ 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 0000000..1a857d9
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
@@ -0,0 +1,11 @@
+package otus.gpb.homework.activities
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class ActivityD : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_d)
+    }
+}
\ 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 0000000..2aa5843
--- /dev/null
+++ b/app/src/main/res/layout/activity_a.xml
@@ -0,0 +1,17 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:background="#f44336">
+
+    <Button
+        android:id="@+id/buttonActivityAOpenB"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Open ActivityB"/>
+
+</LinearLayout>
\ 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 0000000..28419d4
--- /dev/null
+++ b/app/src/main/res/layout/activity_b.xml
@@ -0,0 +1,17 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:background="#4caf50">
+
+    <Button
+        android:id="@+id/buttonActivityBOpenC"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Open ActivityC"/>
+
+</LinearLayout>
\ 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 0000000..892b1b4
--- /dev/null
+++ b/app/src/main/res/layout/activity_c.xml
@@ -0,0 +1,35 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:background="#2196f3">
+
+    <Button
+        android:id="@+id/buttonActivityCOpenA"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Open ActivityA"/>
+    <Button
+        android:id="@+id/buttonActivityCOpenD"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Open ActivityD"/>
+    <Button
+        android:id="@+id/buttonActivityCClose"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Close ActivityC"/>
+    <Button
+        android:id="@+id/buttonActivityCCloseStack"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="Close Stack"/>
+
+</LinearLayout>
\ 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 0000000..fd09ccc
--- /dev/null
+++ b/app/src/main/res/layout/activity_d.xml
@@ -0,0 +1,10 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:background="#ffeb3b">
+
+</LinearLayout>
\ No newline at end of file

From 7934db704fad3009598fca80eb0786b03c5b30bf Mon Sep 17 00:00:00 2001
From: Andrey Efimov <aiefimov@sberbank.ru>
Date: Mon, 29 May 2023 21:55:54 +0300
Subject: [PATCH 2/2] Task2

---
 app/src/main/AndroidManifest.xml              |  5 ++++
 .../otus/gpb/homework/activities/ActivityA.kt | 13 +++++++++-
 .../otus/gpb/homework/activities/ActivityB.kt | 12 ++++++++-
 .../otus/gpb/homework/activities/ActivityC.kt | 26 ++++++++++++++++---
 .../otus/gpb/homework/activities/ActivityD.kt |  6 +++++
 5 files changed, 56 insertions(+), 6 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 963cc16..1a21ec6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,14 +15,19 @@
         tools:targetApi="31">
         <activity
             android:name=".ActivityD"
+            android:taskAffinity="aaa.aaa"
             android:exported="false" />
         <activity
             android:name=".ActivityC"
+            android:taskAffinity="aaa.aaa"
             android:exported="false" />
         <activity
             android:name=".ActivityB"
+            android:taskAffinity="aaa.aaa"
             android:exported="false" />
         <activity
+            android:launchMode="singleTask"
+
             android:name=".ActivityA"
             android:exported="true">
             <intent-filter>
diff --git a/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
index d403908..9a868d8 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
@@ -1,14 +1,25 @@
 package otus.gpb.homework.activities
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.Button
+import android.widget.Toast
 
 class ActivityA : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_a)
 
-        findViewById<Button>(R.id.buttonActivityAOpenB).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityAOpenB).setOnClickListener {
+            val intent = Intent(this, ActivityB::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_MULTIPLE_TASK)
+            startActivity(intent)
+        }
+    }
+
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        Toast.makeText(this, "ActivityA onNewIntent", Toast.LENGTH_SHORT).show()
     }
 }
\ 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
index fd29235..bbc1c05 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
@@ -1,14 +1,24 @@
 package otus.gpb.homework.activities
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.Button
+import android.widget.Toast
 
 class ActivityB : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_b)
 
-        findViewById<Button>(R.id.buttonActivityBOpenC).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityBOpenC).setOnClickListener {
+            val intent = Intent(this, ActivityC::class.java)
+            startActivity(intent)
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        Toast.makeText(this, "ActivityB onDestroy", Toast.LENGTH_SHORT).show()
     }
 }
\ 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
index ec9b013..35a5d2c 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -1,17 +1,35 @@
 package otus.gpb.homework.activities
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.Button
+import android.widget.Toast
 
 class ActivityC : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_c)
 
-        findViewById<Button>(R.id.buttonActivityCOpenA).setOnClickListener {}
-        findViewById<Button>(R.id.buttonActivityCOpenD).setOnClickListener {}
-        findViewById<Button>(R.id.buttonActivityCClose).setOnClickListener {}
-        findViewById<Button>(R.id.buttonActivityCCloseStack).setOnClickListener {}
+        findViewById<Button>(R.id.buttonActivityCOpenA).setOnClickListener {
+            val intent = Intent(this, ActivityA::class.java)
+            startActivity(intent)
+        }
+        findViewById<Button>(R.id.buttonActivityCOpenD).setOnClickListener {
+            val intent = Intent(this, ActivityD::class.java)
+            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK and Intent.FLAG_ACTIVITY_NEW_TASK)
+            startActivity(intent)
+        }
+        findViewById<Button>(R.id.buttonActivityCClose).setOnClickListener {
+            finish()
+        }
+        findViewById<Button>(R.id.buttonActivityCCloseStack).setOnClickListener {
+            finishAffinity()
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        Toast.makeText(this, "ActivityC onDestroy", Toast.LENGTH_SHORT).show()
     }
 }
\ 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
index 1a857d9..a212398 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
@@ -2,10 +2,16 @@ package otus.gpb.homework.activities
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Toast
 
 class ActivityD : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_d)
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        Toast.makeText(this, "ActivityD onDestroy", Toast.LENGTH_SHORT).show()
+    }
 }
\ No newline at end of file