Activity #1

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'
 }

app/src/main/AndroidManifest.xml

@@ -12,6 +12,28 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Activities"
-        tools:targetApi="31" />
+        tools:targetApi="31">
+
+        <activity android:name=".ActivityB"
+            android:exported="false"/>
+
+        <activity android:name=".ActivityC"
+            android:exported="false" />
+
+        <activity android:name=".ActivityD"
+            android:exported="false" />
+
+
+        <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>

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.util.Log
+import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
+
+class ActivityA : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_a)
+
+        val openActivityBButton = findViewById<Button>(R.id.btn_activity_a)
+        openActivityBButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Open ActivityB"
+            val intent = Intent(this, ActivityB::class.java)
+            //intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            startActivity(intent)
+        }
+    }
+
+    override fun onNewIntent(intent: Intent?) {
+        Log.w("ActivityA", "call new intent activityA")
+        super.onNewIntent(intent)
+
+    }
+}

app/src/main/java/otus/gpb/homework/activities/ActivityB.kt

@@ -0,0 +1,21 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
+
+class ActivityB : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_b)
+
+        val openActivityCButton = findViewById<Button>(R.id.btn_activity_b)
+        openActivityCButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Open ActivityC"
+                val intent = Intent(this, ActivityC::class.java)
+                startActivity(intent)
+        }
+    }
+}

app/src/main/java/otus/gpb/homework/activities/ActivityC.kt

@@ -0,0 +1,46 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
+
+class ActivityC : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_c)
+
+        val openActivityAButton = findViewById<Button>(R.id.btn_activity_c_open_a)
+        openActivityAButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Open ActivityA"
+                val intent = Intent(this, ActivityA::class.java)
+                //intent.flags = Intent.FLAG_ACTIVITY_SINGLE_TOP
+                startActivity(intent)
+        }
+
+        val openActivityDButton = findViewById<Button>(R.id.btn_activity_c_open_d)
+        openActivityDButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Open ActivityD"
+
+                val intent = Intent(this, ActivityD::class.java)
+                intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
+                startActivity(intent)
+            }
+
+        val closeActivityCButton = findViewById<Button>(R.id.btn_activity_c_close_c)
+        closeActivityCButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Close ActivityC"
+            finish()
+        }
+
+        val closeStackButton = findViewById<Button>(R.id.btn_activity_c_close_stack)
+        closeStackButton.setOnClickListener {
+            // Обработка нажатия на кнопку "Close Stack"
+            val intent = Intent(this, ActivityA::class.java)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            startActivity(intent)
+            finishAffinity()
+        }
+    }
+}

app/src/main/java/otus/gpb/homework/activities/ActivityD.kt

@@ -0,0 +1,11 @@
+package otus.gpb.homework.activities
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+
+class ActivityD : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_d)
+    }
+}

app/src/main/res/layout/activity_a.xml

@@ -0,0 +1,19 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#f44336">
+
+    <Button
+        android:id="@+id/btn_activity_a"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/button"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="MissingConstraints" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#4caf50">
+
+    <Button
+        android:id="@+id/btn_activity_b"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/open_activityc"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.796"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.691"
+        tools:ignore="MissingConstraints" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#2196f3">
+
+    <Button
+        android:id="@+id/btn_activity_c_open_a"
+        android:layout_width="176dp"
+        android:layout_height="50dp"
+        android:layout_marginStart="64dp"
+        android:layout_marginTop="304dp"
+        android:text="@string/open_activitya"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/btn_activity_c_close_c"
+        android:layout_width="176dp"
+        android:layout_height="50dp"
+        android:layout_marginStart="64dp"
+        android:layout_marginTop="8dp"
+        android:text="@string/close_activityc"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btn_activity_c_open_d" />
+
+    <Button
+        android:id="@+id/btn_activity_c_close_stack"
+        android:layout_width="176dp"
+        android:layout_height="50dp"
+        android:layout_marginStart="64dp"
+        android:layout_marginBottom="192dp"
+        android:text="@string/close_stack"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btn_activity_c_close_c"
+        app:layout_constraintVertical_bias="0.294" />
+
+    <Button
+        android:id="@+id/btn_activity_c_open_d"
+        android:layout_width="176dp"
+        android:layout_height="50dp"
+        android:layout_marginStart="64dp"
+        android:layout_marginTop="8dp"
+        android:text="@string/open_activityd"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btn_activity_c_open_a" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_d.xml

@@ -0,0 +1,16 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ffeb3b">
+
+    <TextView
+        android:id="@+id/textView_activiti_d"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/activity_d"
+        tools:layout_editor_absoluteX="73dp"
+        tools:layout_editor_absoluteY="240dp" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -1,3 +1,10 @@
 <resources>
     <string name="app_name">Activities</string>
+    <string name="button">Open ActivityB</string>
+    <string name="close_activityc">Close ActivityC</string>
+    <string name="close_stack">Close Stack</string>
+    <string name="open_activityd">Open ActivityD</string>
+    <string name="open_activitya">Open ActivityA</string>
+    <string name="open_activityc">Open ActivityC</string>
+    <string name="activity_d">Это активити Д)</string>
 </resources>

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 '7.2.0' apply false
-    id 'com.android.library' version '7.2.0' apply false
+    id 'com.android.application' version '7.4.0' apply false
+    id 'com.android.library' version '7.4.0' apply false
     id 'org.jetbrains.kotlin.android' version '1.6.21' apply false
     id "io.gitlab.arturbosch.detekt" version "1.21.0"
 }

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-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME