Android-Developer-Basic · evgenysalnikov · Sep 27, 2025
diff --git a/app/build.gradle b/app/build.gradle
@@ -2,10 +2,11 @@ plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
     id("io.gitlab.arturbosch.detekt")
+    id("org.jetbrains.kotlin.plugin.parcelize")
 }
 
 android {
-    compileSdk 34
+    compileSdk 36
 
     defaultConfig {
         applicationId "otus.gpb.homework.activities"
@@ -60,4 +61,5 @@ dependencies {
     implementation 'androidx.activity:activity-ktx:1.9.0'
     implementation 'androidx.fragment:fragment-ktx:1.7.1'
     implementation 'com.squareup.picasso:picasso:2.71828'
+    implementation 'androidx.activity:activity:1.11.0'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
+    <uses-permission android:name="android.permission.CAMERA" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -12,7 +18,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Activities"
         tools:targetApi="31">
-
+        <activity
+            android:name=".FillFormActivity"
+            android:exported="false" />
         <activity
             android:name=".EditProfileActivity"
             android:exported="true">

diff --git a/app/src/main/java/otus/gpb/homework/activities/EditProfileActivity.kt b/app/src/main/java/otus/gpb/homework/activities/EditProfileActivity.kt
@@ -1,15 +1,145 @@
 package otus.gpb.homework.activities
 
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.net.Uri
 import android.os.Bundle
+import android.provider.MediaStore
+import android.provider.Settings
+import android.util.Log
+import android.widget.Button
 import android.widget.ImageView
+import android.widget.TextView
+import android.widget.Toast
+import androidx.activity.result.PickVisualMediaRequest
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.result.launch
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
+import androidx.core.content.ContextCompat
+import androidx.core.content.res.ResourcesCompat
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import java.io.ByteArrayOutputStream
+import androidx.core.net.toUri
 
 class EditProfileActivity : AppCompatActivity() {
 
     private lateinit var imageView: ImageView
+    private var isSecondCameraAccessAttempt: Boolean = false
+
+    private val choosePhotoDialog
+        get() = MaterialAlertDialogBuilder(this)
+            .setItems(
+                arrayOf(
+                    resources.getString(R.string.take_photo),
+                    resources.getString(R.string.choose_photo),
+                )
+            ) { d, w ->
+                when (w) {
+                    0 -> {
+                        Log.i("TAG", "Take photo")
+                        requestCameraAccess()
+                        if (ContextCompat.checkSelfPermission(
+                                this,
+                                Manifest.permission.CAMERA
+                            ) == PackageManager.PERMISSION_GRANTED
+                        ) {
+                            takePhoto()
+                        }
+                    }
+
+                    1 -> {
+                        Log.i("TAG", "Choose photo")
+                        selectPhoto()
+                    }
+                }
+            }.create()
+
+    private val requestCameraPermissionDialog
+        get() = MaterialAlertDialogBuilder(this)
+            .setMessage("Камера нужна для создания аватара")
+            .setPositiveButton(resources.getString(R.string.allow_access)) { d, w ->
+                Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply {
+                    data = Uri.fromParts("package", packageName, null)
+                }.let { startActivity(it) }
+            }
+            .setNegativeButton(resources.getString(R.string.cancel)) { d, w ->
+                Log.i("TAG", "no access")
+            }
+            .create()
+
+    private val requestCameraAccessLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { isGranted ->
+        when {
+            isGranted -> setCatToImageView()
+            !shouldShowRequestPermissionRationale(Manifest.permission.CAMERA) -> {
+                if (!isSecondCameraAccessAttempt) {
+                    isSecondCameraAccessAttempt = true
+                    requestCameraPermissionDialog.show()
+                } else {
+                    MaterialAlertDialogBuilder(this)
+                        .setPositiveButton(resources.getString(R.string.to_app_settings)) { d, w ->
+                            Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply {
+                                data = Uri.fromParts("package", packageName, null)
+                            }.let { startActivity(it) }
+                        }.show()
+
+                }
+            }
+
+        }
+    }
+
+    private fun requestCameraAccess() {
+        requestCameraAccessLauncher.launch(Manifest.permission.CAMERA)
+    }
+
+    private fun setCatToImageView() {
+        imageView.setImageDrawable(
+            ResourcesCompat.getDrawable(resources, R.drawable.cat, null)
+        )
+    }
+
+    fun getImageUriFromBitmap(context: Context, bitmap: Bitmap): Uri? {
+        val bytes = ByteArrayOutputStream()
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes) // Compress the bitmap to JPEG format
+        val path = MediaStore.Images.Media.insertImage(context.contentResolver, bitmap, "Image Title", null)
+        return path?.toUri()
+    }
+
+    private val takePhoneLauncher = registerForActivityResult(
+        ActivityResultContracts.TakePicturePreview()
+    ) { picture ->
+        imageView.setImageBitmap(picture)
+        picture?.let {
+            imageView.tag = getImageUriFromBitmap(this,it)
+        }
+    }
+
+    private fun takePhoto() = takePhoneLauncher.launch()
+
+    private val selectPictureLauncher = registerForActivityResult(
+        ActivityResultContracts.PickVisualMedia()
+    ) { result ->
+        result?.let { populateImage(it) }
+    }
+
+    private fun selectPhoto() = selectPictureLauncher.launch(
+        PickVisualMediaRequest(
+            ActivityResultContracts.PickVisualMedia.ImageOnly
+        )
+    )
+
+    private val fillUserDataLauncher = registerForActivityResult(FillFormContract()) { userInfo ->
+        userInfo?.name?.let { findViewById<TextView>(R.id.textview_name).text = it }
+        userInfo?.surName?.let { findViewById<TextView>(R.id.textview_surname).text = it }
+        userInfo?.age?.let { findViewById<TextView>(R.id.textview_age).text = it.toString() }
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -28,6 +158,14 @@ class EditProfileActivity : AppCompatActivity() {
                 }
             }
         }
+
+        findViewById<ImageView>(R.id.imageview_photo).setOnClickListener {
+            choosePhotoDialog.show()
+        }
+
+        findViewById<Button>(R.id.button4).setOnClickListener {
+            fillUserDataLauncher.launch()
+        }
     }
 
     /**
@@ -36,9 +174,21 @@ class EditProfileActivity : AppCompatActivity() {
     private fun populateImage(uri: Uri) {
         val bitmap = BitmapFactory.decodeStream(contentResolver.openInputStream(uri))
         imageView.setImageBitmap(bitmap)
+        imageView.tag = uri
     }
 
     private fun openSenderApp() {
-        TODO("В качестве реализации метода отправьте неявный Intent чтобы поделиться профилем. В качестве extras передайте заполненные строки и картинку")
+        val intent = Intent(Intent.ACTION_SEND).apply {
+            setPackage("org.telegram.messenger")
+            setType("image/*")
+            val imgUri = imageView.tag as? Uri
+            if (imgUri != null) putExtra(Intent.EXTRA_STREAM, imgUri)
+            putExtra(Intent.EXTRA_TEXT, "Имя : ${ findViewById<TextView>(R.id.textview_name).text}\nФамилия: ${ findViewById<TextView>(R.id.textview_surname).text}\nВозраст: ${ findViewById<TextView>(R.id.textview_age).text}")
+        }
+        try {
+            startActivity(intent)
+        } catch (e: Throwable) {
+            Toast.makeText(this, e.message, Toast.LENGTH_LONG).show()
+        }
     }
 }
diff --git a/app/src/main/java/otus/gpb/homework/activities/FillFormActivity.kt b/app/src/main/java/otus/gpb/homework/activities/FillFormActivity.kt
@@ -0,0 +1,40 @@
+package otus.gpb.homework.activities
+
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+
+class FillFormActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_fill_form)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        findViewById<Button>(R.id.appy).setOnClickListener {
+            UserInfo(
+                name = findViewById<EditText>(R.id.editName).text.toString(),
+                surName = findViewById<EditText>(R.id.editSurname).text.toString(),
+                age = findViewById<EditText>(R.id.editAge).text.toString().toIntOrNull()
+            ).let { userInfo ->
+                Intent().putExtra(RESULT_KEY, userInfo).let { intent ->
+                    setResult(RESULT_OK, intent)
+                    finish()
+                }
+            }
+        }
+    }
+
+    companion object {
+        const val RESULT_KEY = "fillFormKey"
+    }
+}
diff --git a/app/src/main/java/otus/gpb/homework/activities/FillFormContract.kt b/app/src/main/java/otus/gpb/homework/activities/FillFormContract.kt
@@ -0,0 +1,34 @@
+package otus.gpb.homework.activities
+
+import android.content.Context
+import android.content.Intent
+import androidx.activity.result.contract.ActivityResultContract
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.IntentCompat
+
+class FillFormContract : ActivityResultContract<Unit, UserInfo?>() {
+    override fun createIntent(
+        context: Context,
+        input: Unit
+    ): Intent {
+        return Intent(context, FillFormActivity::class.java)
+    }
+
+    override fun parseResult(
+        resultCode: Int,
+        intent: Intent?
+    ): UserInfo? {
+        if (
+            resultCode == AppCompatActivity.RESULT_CANCELED
+            || intent == null
+            || resultCode != AppCompatActivity.RESULT_OK
+        ) return null
+
+        return IntentCompat.getParcelableExtra(
+            intent,
+            FillFormActivity.RESULT_KEY,
+            UserInfo::class.java
+        )
+
+    }
+}
diff --git a/app/src/main/java/otus/gpb/homework/activities/UserInfo.kt b/app/src/main/java/otus/gpb/homework/activities/UserInfo.kt
@@ -0,0 +1,11 @@
+package otus.gpb.homework.activities
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+data class UserInfo(
+    val name: String? = null,
+    val surName: String? = null,
+    val age: Int? = null
+) : Parcelable
diff --git a/app/src/main/res/layout/activity_fill_form.xml b/app/src/main/res/layout/activity_fill_form.xml
@@ -0,0 +1,60 @@
+<?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/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".FillFormActivity">
+
+    <EditText
+        android:id="@+id/editName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:autofillHints="Имя"
+        android:hint="Иван"
+        android:inputType="text"
+        app:flow_horizontalAlign="center"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <EditText
+        android:id="@+id/editSurname"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:autofillHints="Фамилия"
+        android:hint="Иванов"
+        android:inputType="text"
+        app:flow_horizontalAlign="center"
+        app:layout_constraintEnd_toEndOf="@id/editName"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="@id/editName"
+        app:layout_constraintTop_toBottomOf="@id/editName" />
+
+    <EditText
+        android:id="@+id/editAge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:autofillHints="21"
+        android:hint="21"
+        android:inputType="number"
+        app:flow_horizontalAlign="center"
+        app:layout_constraintEnd_toEndOf="@id/editSurname"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="@id/editSurname"
+        app:layout_constraintTop_toBottomOf="@id/editSurname" />
+
+    <Button
+        android:id="@+id/appy"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/editAge"
+        android:text="Применить"
+        />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -1,4 +1,9 @@
 <resources>
     <string name="app_name">Activities</string>
     <string name="title_send">Отправить</string>
+    <string name="take_photo">Сделать фото</string>
+    <string name="choose_photo">Выбрать фото</string>
+    <string name="allow_access">Дать доступ</string>
+    <string name="cancel">Отмена</string>
+    <string name="to_app_settings">Открыть настройки</string>
 </resources>