made intent

app/src/main/AndroidManifest.xml

@@ -14,10 +14,21 @@
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+                <action android:name="android.intent.action.VIEW" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".SecondActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.OPENABLE" />
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/com/itis/androidlabproject/MainActivity.kt

@@ -1,11 +1,49 @@
 package com.itis.androidlabproject
 
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Toast
+import com.google.android.material.snackbar.Snackbar
+import com.itis.androidlabproject.databinding.ActivityMainBinding
+import java.util.zip.Inflater
 
 class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+    private val REQUEST_CODE_1 = 123;
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+        binding = ActivityMainBinding.inflate(layoutInflater).also {
+            setContentView(it.root)
+        }
+
+        with(binding) {
+            btnText.setOnClickListener {
+                val intent = Intent(Intent.ACTION_VIEW)
+                intent.addCategory(Intent.CATEGORY_OPENABLE)
+
+                intent.putExtra(Intent.EXTRA_TEXT, "test text")
+                if (intent.resolveActivity(packageManager) != null) {
+                    startActivityForResult(intent, 1)
+//                    startActivity(intent) /* не работает*/
+                }
+            }
+        }
+    }
+
+    override fun onActivityResult(
+        requestCode: Int,
+        resultCode: Int,
+        data: Intent?
+    ) {
+        if (resultCode == Activity.RESULT_OK) {
+            Toast.makeText(this, "Успешный возврат", Toast.LENGTH_LONG).show()
+        } else {
+            super.onActivityResult(requestCode, resultCode, data)
+        }
+
     }
-}
+}

app/src/main/java/com/itis/androidlabproject/SecondActivity.kt

@@ -0,0 +1,44 @@
+package com.itis.androidlabproject
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.itis.androidlabproject.databinding.ActivitySecondBinding
+import com.google.android.material.snackbar.Snackbar
+
+
+class SecondActivity : AppCompatActivity() {
+    private lateinit var binding: ActivitySecondBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivitySecondBinding.inflate(layoutInflater).also {
+            setContentView(it.root)
+        }
+
+        with(binding) {
+            btnMessage.setOnClickListener {
+                val message = intent?.extras?.getString("MESSAGE") ?: "сообщение не дошло или пусто"
+
+                Snackbar.make(
+                    root,
+                    "Получено сообщение: $message",
+                    Snackbar.LENGTH_LONG
+                ).show()
+
+                /*Toast.makeText(
+                    this@SecondActivity,
+                    "Получено сообщение: $message",
+                    Toast.LENGTH_LONG
+                ).show()*/
+            }
+
+            btnReturn.setOnClickListener {
+                setResult(Activity.RESULT_OK)
+                finish()
+            }
+        }
+    }
+}

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

@@ -6,10 +6,12 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
+    <Button
+        android:id="@+id/btn_text"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:text="Второе окно"
+        android:backgroundTint="@color/teal_200"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"

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

@@ -0,0 +1,31 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <Button
+        android:id="@+id/btn_message"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:backgroundTint="@color/teal_700"
+        android:text="Получить сообщение"
+        app:layout_constraintBottom_toTopOf="@id/btn_return"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_chainStyle="packed" />
+
+    <Button
+        android:id="@+id/btn_return"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:backgroundTint="@color/teal_700"
+        android:text="Вернуться"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/btn_message" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:7.0.2"
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.30"
 
         // NOTE: Do not place your application dependencies here; they belong