task/hw3_intent with text and sending photo on another Intent

app/src/main/AndroidManifest.xml

@@ -16,6 +16,18 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity android:name=".SecondActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:mimeType="image/*" />
+            </intent-filter>
+        </activity>
+
+
     </application>
 
 </manifest>

app/src/main/java/com/example/androidpractice2020/MainActivity.kt

@@ -1,11 +1,49 @@
 package com.example.androidpractice2020
 
-import androidx.appcompat.app.AppCompatActivity
+import android.app.Activity
+import android.content.Intent
 import android.os.Bundle
+import android.widget.ImageView
+import androidx.appcompat.app.AppCompatActivity
+import kotlinx.android.synthetic.main.activity_main.*
+import java.io.FileNotFoundException
+
 
 class MainActivity : AppCompatActivity() {
+    private var imageView: ImageView? = null
+    private val REQUEST_CODE_PICK_IMAGE = 1
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        btn_picture.setOnClickListener {
+            //Вызываем стандартную галерею для выбора изображения с помощью Intent.ACTION_PICK:
+            val photoPickerIntent = Intent(Intent.ACTION_PICK)
+            //Тип получаемых объектов - image:
+            photoPickerIntent.type = "image/*"
+
+            //Запускаем переход с ожиданием обратного результата в виде информации об изображении:
+            startActivityForResult(photoPickerIntent, REQUEST_CODE_PICK_IMAGE)
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, imageReturnedIntent: Intent?) {
+        super.onActivityResult(requestCode, resultCode, imageReturnedIntent)
+        when (requestCode) {
+            REQUEST_CODE_PICK_IMAGE -> if (resultCode == Activity.RESULT_OK) {
+                try {
+                    val imageUri = imageReturnedIntent?.data
+                    val photoPickerIntent = Intent().apply {
+                        action = Intent.ACTION_SEND
+                        putExtra("img", imageUri.toString())
+                        //в другом intent data=null
+                        data = imageUri
+                        type = "image/uri"
+                    }
+                    startActivity(photoPickerIntent)
+                } catch (e: FileNotFoundException) {
+                    e.printStackTrace()
+                }
+            }
+        }
     }
 }

app/src/main/java/com/example/androidpractice2020/SecondActivity.kt

@@ -0,0 +1,33 @@
+package com.example.androidpractice2020
+
+import android.content.Intent
+import android.graphics.BitmapFactory
+import android.net.Uri
+import android.net.Uri.parse
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import kotlinx.android.synthetic.main.second_activity.*
+
+
+class SecondActivity : AppCompatActivity() {
+    override fun onCreate(savedInstance: Bundle?) {
+        super.onCreate(savedInstance)
+        setContentView(R.layout.second_activity)
+
+        if (intent.getStringExtra("img") != null) {
+            val text = intent.getStringExtra(Intent.EXTRA_TEXT)
+            val uri = parse(intent.getStringExtra("img"))
+            message_text.text = text
+            val imageStream =
+                contentResolver.openInputStream(uri)
+            val selectedImage = BitmapFactory.decodeStream(imageStream)
+            image_first.setImageBitmap(selectedImage)
+        } else {
+            val text = intent.getParcelableExtra<Uri>(Intent.EXTRA_STREAM)
+            val imageStream =
+                text?.let { contentResolver.openInputStream(it) }
+            val selectedImage = BitmapFactory.decodeStream(imageStream)
+            image_first.setImageBitmap(selectedImage)
+        }
+    }
+}

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

@@ -7,6 +7,7 @@
     tools:context=".MainActivity">
 
     <TextView
+        android:id="@+id/textView6"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Hello World!"
@@ -15,4 +16,13 @@
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <Button
+        android:id="@+id/btn_picture"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Выбрать фото"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView6" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,28 @@
+<?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">
+
+    <TextView
+        android:id="@+id/message_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageView
+        android:id="@+id/image_first"
+        android:layout_width="113dp"
+        android:layout_height="108dp"
+        android:background="#ffffff"
+        app:layout_constraintBottom_toTopOf="@+id/message_text"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>