From 458b6cb7f47d690ae95bd5555928805894b18d02 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Wed, 15 Nov 2023 23:58:56 +0300
Subject: [PATCH 1/7] Activity Homework #1-1

Activity Homework #1-1
---
 app/build.gradle                              |  1 +
 app/src/main/AndroidManifest.xml              | 26 +++++++-
 .../otus/gpb/homework/activities/ActivityA.kt | 64 +++++++++++++++++++
 .../otus/gpb/homework/activities/ActivityB.kt | 24 +++++++
 .../otus/gpb/homework/activities/ActivityC.kt | 34 ++++++++++
 .../otus/gpb/homework/activities/ActivityD.kt | 13 ++++
 app/src/main/res/layout/activity_a.xml        | 22 +++++++
 app/src/main/res/layout/activity_b.xml        | 22 +++++++
 app/src/main/res/layout/activity_c.xml        | 45 +++++++++++++
 app/src/main/res/layout/activity_d.xml        | 24 +++++++
 10 files changed, 274 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/build.gradle b/app/build.gradle
index 3c3711b..0c342bd 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -52,4 +52,5 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.8.0'
     implementation 'androidx.appcompat:appcompat:1.5.0'
     implementation 'com.google.android.material:material:1.6.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f318e6c..b4eba38 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,30 @@
         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:label="ActivityD"
+            android:exported="false" />
+        <activity
+            android:name=".ActivityC"
+            android:label="ActivityC"
+            android:exported="false" />
+        <activity
+            android:name=".ActivityB"
+            android:label="ActivityB"
+            android:exported="false" />
+        <activity
+            android:name=".ActivityA"
+            android:exported="true"
+            android:launchMode="standard"
+            android:label="ActivityA">
+            <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..060d2c8
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
@@ -0,0 +1,64 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import android.widget.Button
+
+
+private const val TAG = "ActivityA"
+
+class ActivityA : AppCompatActivity(R.layout.activity_a) {
+
+    lateinit var buttonB: Button
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        Log.d(TAG, "call onCreate")
+
+        buttonB = findViewById(R.id.mainActivityB)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        Log.d(TAG, "call onStart")
+        buttonB.setOnClickListener {
+            Log.d(TAG, "button clicked")
+
+            startActivity(intent)
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        Log.d(TAG, "call onResume")
+    }
+
+    override fun onStop() {
+        Log.d(TAG, "call onStop")
+        super.onStop()
+    }
+
+    override fun onDestroy() {
+        Log.d(TAG, "call onDestroy")
+        super.onDestroy()
+    }
+
+    override fun onRestart() {
+        super.onRestart()
+        Log.d(TAG, "call onRestart")
+    }
+
+    override fun onBackPressed() {
+        Log.d(TAG, "call onBackPressed")
+        super.onBackPressed()
+    }
+
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        Log.d(TAG, "call onNewIntent")
+    }
+}
+
+
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..cdb355a
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
@@ -0,0 +1,24 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import android.widget.Button
+
+private const val TAG = "ActivityB"
+
+class ActivityB : AppCompatActivity(R.layout.activity_b) {
+
+    lateinit var buttonC: Button
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+
+        findViewById<Button?>(R.id.mainActivityC).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..3b6882b
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -0,0 +1,34 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import android.widget.Button
+
+private const val TAG = "ActivityC"
+
+class ActivityC : AppCompatActivity(R.layout.activity_c) {
+
+    lateinit var buttonA: Button
+    lateinit var buttonD: Button
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        buttonA = findViewById(R.id.mainActivityA)
+        buttonD = findViewById(R.id.mainActivityD)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        Log.d(TAG, "call onStart")
+        buttonA.setOnClickListener {
+            Log.d(TAG, "button clicked")
+
+        }
+        findViewById<Button>(R.id.mainActivityD).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..8575b88
--- /dev/null
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityD.kt
@@ -0,0 +1,13 @@
+package otus.gpb.homework.activities
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+private const val TAG = "ActivityD"
+
+class ActivityD : AppCompatActivity(R.layout.activity_d) {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+    }
+}
\ 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..d0d2670
--- /dev/null
+++ b/app/src/main/res/layout/activity_a.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    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:background="#f44336"
+    tools:context=".ActivityA">
+
+    <Button
+        android:id="@+id/mainActivityB"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Open ActivityB"
+        android:layout_margin="50dp"
+        android:layout_gravity="bottom|center_horizontal"
+        />
+
+
+
+</FrameLayout>
\ 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..839d220
--- /dev/null
+++ b/app/src/main/res/layout/activity_b.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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"
+    android:gravity="center"
+    android:background="#4caf50"
+    tools:context=".ActivityB">
+
+    <Button
+        android:id="@+id/mainActivityC"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Open Activity C"
+        android:layout_margin="50dp"
+        android:layout_gravity="bottom|center_horizontal"
+        />
+
+</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..e4cbdf0
--- /dev/null
+++ b/app/src/main/res/layout/activity_c.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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"
+    android:gravity="center"
+    android:background="#2196f3"
+    tools:context=".ActivityC">
+
+    <Button
+        android:id="@+id/mainActivityA"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:background="#FFC107"
+        android:backgroundTint="#CDDC39"
+        android:text="Open ActivityA" />
+
+    <Button
+        android:id="@+id/mainActivityD"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="Open ActivityD" />
+
+    <Button
+        android:id="@+id/mainActivityC"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="Close ActivityC" />
+
+    <Button
+        android:id="@+id/closeStack"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        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..6f95dc2
--- /dev/null
+++ b/app/src/main/res/layout/activity_d.xml
@@ -0,0 +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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/frameLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ffeb3b"
+    android:gravity="center_horizontal"
+    tools:context=".ActivityD">
+
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="bottom"
+        android:text="Улыбнись! Это Activity D"
+        android:textStyle="bold"
+        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

From 19084a868ec8ba81a8f26b2c6ea9da52fbaa6580 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Tue, 28 Nov 2023 16:50:34 +0300
Subject: [PATCH 2/7] Activity Homework #2-1

---
 app/src/main/java/otus/gpb/homework/activities/ActivityA.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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 060d2c8..8432bd0 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityA.kt
@@ -25,7 +25,9 @@ class ActivityA : AppCompatActivity(R.layout.activity_a) {
         Log.d(TAG, "call onStart")
         buttonB.setOnClickListener {
             Log.d(TAG, "button clicked")
-
+            val intent = Intent(this, ActivityB::class.java).apply {
+                flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
+            }
             startActivity(intent)
         }
     }

From 461694897121118168dd70b23580ae74934e9a30 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Tue, 28 Nov 2023 17:30:00 +0300
Subject: [PATCH 3/7] Activity Homework #2-2

---
 app/src/main/AndroidManifest.xml                            | 1 +
 app/src/main/java/otus/gpb/homework/activities/ActivityB.kt | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b4eba38..e9c9285 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -24,6 +24,7 @@
         <activity
             android:name=".ActivityB"
             android:label="ActivityB"
+            android:launchMode="standard"
             android:exported="false" />
         <activity
             android:name=".ActivityA"
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 cdb355a..342f013 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityB.kt
@@ -17,7 +17,8 @@ class ActivityB : AppCompatActivity(R.layout.activity_b) {
 
 
         findViewById<Button?>(R.id.mainActivityC).setOnClickListener {
-
+            val intent = Intent(this, ActivityC::class.java)
+            startActivity(intent)
         }
 
     }

From 65055e4b66e7317332757c357d331efb1e590df2 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Tue, 28 Nov 2023 18:03:20 +0300
Subject: [PATCH 4/7] Activity Homework #2-3

---
 .../main/java/otus/gpb/homework/activities/ActivityC.kt   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

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 3b6882b..36cecfc 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -25,10 +25,16 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
         Log.d(TAG, "call onStart")
         buttonA.setOnClickListener {
             Log.d(TAG, "button clicked")
-
+            val intent = Intent(this, ActivityA::class.java)
+            startActivity(intent)
         }
         findViewById<Button>(R.id.mainActivityD).setOnClickListener {
 
         }
     }
+
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        Log.d(TAG, "button onNewIntent")
+    }
 }
\ No newline at end of file

From cd09fac73a6850833e4c97d82213427947e35a55 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Tue, 28 Nov 2023 23:35:52 +0300
Subject: [PATCH 5/7] Activity Homework #2-4

---
 app/src/main/AndroidManifest.xml                            | 3 +++
 app/src/main/java/otus/gpb/homework/activities/ActivityC.kt | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e9c9285..875dd6f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -16,10 +16,12 @@
         <activity
             android:name=".ActivityD"
             android:label="ActivityD"
+            android:launchMode="singleTask"
             android:exported="false" />
         <activity
             android:name=".ActivityC"
             android:label="ActivityC"
+            android:launchMode="singleTask"
             android:exported="false" />
         <activity
             android:name=".ActivityB"
@@ -30,6 +32,7 @@
             android:name=".ActivityA"
             android:exported="true"
             android:launchMode="standard"
+            android:taskAffinity=""
             android:label="ActivityA">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
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 36cecfc..1549c7b 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -29,7 +29,11 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
             startActivity(intent)
         }
         findViewById<Button>(R.id.mainActivityD).setOnClickListener {
+            val intent = Intent(this, ActivityD::class.java).apply {
+                flags = Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_ACTIVITY_NEW_TASK
+            }
 
+            startActivity(intent)
         }
     }
 

From 8bb76045ac17627e5df27cb5d54ae90a9e90f065 Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Wed, 29 Nov 2023 00:06:22 +0300
Subject: [PATCH 6/7] Activity Homework #2-5

---
 app/src/main/AndroidManifest.xml                            | 2 +-
 app/src/main/java/otus/gpb/homework/activities/ActivityC.kt | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 875dd6f..c7bdac3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -21,7 +21,7 @@
         <activity
             android:name=".ActivityC"
             android:label="ActivityC"
-            android:launchMode="singleTask"
+            android:launchMode="singleTop"
             android:exported="false" />
         <activity
             android:name=".ActivityB"
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 1549c7b..f583dec 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -12,12 +12,14 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
 
     lateinit var buttonA: Button
     lateinit var buttonD: Button
+    lateinit var buttonC: Button
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         buttonA = findViewById(R.id.mainActivityA)
         buttonD = findViewById(R.id.mainActivityD)
+        buttonC = findViewById(R.id.mainActivityC)
     }
 
     override fun onStart() {
@@ -35,6 +37,9 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
 
             startActivity(intent)
         }
+        buttonC.setOnClickListener {
+            finish()
+        }
     }
 
     override fun onNewIntent(intent: Intent?) {

From cdc30742e548ce9ef96f54455397402f5f67e51a Mon Sep 17 00:00:00 2001
From: Galina <118059223+Galinnka@users.noreply.github.com>
Date: Wed, 29 Nov 2023 11:51:52 +0300
Subject: [PATCH 7/7] Activity Homework #2-6

---
 .../main/java/otus/gpb/homework/activities/ActivityC.kt    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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 f583dec..b1bb094 100644
--- a/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
+++ b/app/src/main/java/otus/gpb/homework/activities/ActivityC.kt
@@ -13,15 +13,17 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
     lateinit var buttonA: Button
     lateinit var buttonD: Button
     lateinit var buttonC: Button
-
+    lateinit var buttonS: Button
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         buttonA = findViewById(R.id.mainActivityA)
         buttonD = findViewById(R.id.mainActivityD)
         buttonC = findViewById(R.id.mainActivityC)
+        buttonS = findViewById(R.id.closeStack)
     }
 
+
     override fun onStart() {
         super.onStart()
         Log.d(TAG, "call onStart")
@@ -40,6 +42,9 @@ class ActivityC : AppCompatActivity(R.layout.activity_c) {
         buttonC.setOnClickListener {
             finish()
         }
+        buttonS.setOnClickListener {
+            finishAffinity()
+        }
     }
 
     override fun onNewIntent(intent: Intent?) {