init application

app/src/main/kotlin/com/stslex/compiler_app/MainActivity.kt

@@ -3,10 +3,10 @@ package com.stslex.compiler_app
 import android.os.Bundle
 import android.widget.Button
 import android.widget.TextView
-import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.viewModels
 import androidx.lifecycle.lifecycleScope
+import com.stslex.compiler_app.UserToastUtil.sendToastOfUserChanges
 import com.stslex.compiler_app.app.R
 import com.stslex.compiler_app.model.UserModel
 import kotlinx.coroutines.flow.launchIn
@@ -36,25 +36,29 @@ class MainActivity : ComponentActivity() {
         findViewById<Button>(R.id.usernameChangeButton).setOnClickListener {
             logger.log(Level.INFO, "usernameChangeButton clicked")
             val randomInt = Random.nextInt()
-            viewModel.setName("John $randomInt")
+            viewModel.setName("Name $randomInt")
+        }
+        findViewById<Button>(R.id.secondNameChangeButton).setOnClickListener {
+            logger.log(Level.INFO, "secondNameChangeButton clicked")
+            val randomInt = Random.nextInt()
+            viewModel.setSecondName("SecondName $randomInt")
         }
     }
 
     private fun setUI(user: UserModel) {
         logger.log(Level.INFO, "Setting UI with user: $user")
         sendToastOfUserChanges(user)
-        findViewById<TextView>(R.id.usernameFieldTextView).text = user.name
+        setName(user.name)
+        setSecondName(user.secondName)
     }
 
-    private fun sendToastOfUserChanges(userModel: UserModel) {
-        val textMsg = userModel.getChangesValue(user)
-        Toast.makeText(this, textMsg, Toast.LENGTH_SHORT).show()
-        user = userModel
+    private fun setName(name: String) {
+        logger.log(Level.INFO, "setName: $name")
+        findViewById<TextView>(R.id.usernameFieldTextView).text = name
     }
 
-    companion object {
-
-        private var user: UserModel? = null
+    private fun setSecondName(name: String) {
+        logger.log(Level.INFO, "setSecondName: $name")
+        findViewById<TextView>(R.id.secondNameFieldTextView).text = name
     }
 }
-

app/src/main/kotlin/com/stslex/compiler_app/MainActivityViewModel.kt

@@ -13,31 +13,12 @@ class MainActivityViewModel : ViewModel() {
     val userInfo: StateFlow<UserModel>
         get() = _userInfo.asStateFlow()
 
-    fun setIsLiked(isLiked: Boolean) {
-        _userInfo.value = _userInfo.value.copy(isLiked = isLiked)
-    }
-
-    fun setLikes(likes: Int) {
-        _userInfo.value = _userInfo.value.copy(likes = likes)
-    }
-
-    fun setSubscriptions(subscriptions: Int) {
-        _userInfo.value = _userInfo.value.copy(subscriptions = subscriptions)
-    }
-
-    fun setIsSubscribed(isSubscribed: Boolean) {
-        _userInfo.value = _userInfo.value.copy(isSubscribed = isSubscribed)
-    }
-
     fun setName(name: String) {
         _userInfo.value = _userInfo.value.copy(name = name)
     }
 
-    fun setAvatarUrl(avatarUrl: String) {
-        _userInfo.value = _userInfo.value.copy(avatarUrl = avatarUrl)
+    fun setSecondName(secondName: String) {
+        _userInfo.value = _userInfo.value.copy(secondName = secondName)
     }
 
-    fun setEmail(email: String) {
-        _userInfo.value = _userInfo.value.copy(email = email)
-    }
 }

app/src/main/kotlin/com/stslex/compiler_app/UserToastUtil.kt

@@ -0,0 +1,18 @@
+package com.stslex.compiler_app
+
+import android.content.Context
+import android.widget.Toast
+import com.stslex.compiler_app.model.UserModel
+
+object UserToastUtil {
+
+    private var user: UserModel? = null
+
+    fun Context.sendToastOfUserChanges(
+        userModel: UserModel
+    ) {
+        val textMsg = userModel.getChangesValue(user)
+        Toast.makeText(this, textMsg, Toast.LENGTH_SHORT).show()
+        user = userModel
+    }
+}

app/src/main/kotlin/com/stslex/compiler_app/model/UserModel.kt

@@ -1,14 +1,8 @@
 package com.stslex.compiler_app.model
 
 data class UserModel(
-    val uuid: String,
     val name: String,
-    val avatarUrl: String,
-    val email: String,
-    val isLiked: Boolean,
-    val likes: Int,
-    val isSubscribed: Boolean,
-    val subscriptions: Int,
+    val secondName: String,
 ) {
 
     fun getChangesValue(
@@ -18,12 +12,7 @@ data class UserModel(
     } else {
         val changes = mutableListOf<String>()
         if (user.name != name) changes.add("name")
-        if (user.avatarUrl != avatarUrl) changes.add("avatarUrl")
-        if (user.email != email) changes.add("email")
-        if (user.isLiked != isLiked) changes.add("isLiked")
-        if (user.likes != likes) changes.add("likes")
-        if (user.isSubscribed != isSubscribed) changes.add("isSubscribed")
-        if (user.subscriptions != subscriptions) changes.add("subscriptions")
+        if (user.secondName != secondName) changes.add("secondName")
         when {
             changes.isEmpty() -> "No changes"
             changes.size == 7 -> "User full change"
@@ -34,14 +23,8 @@ data class UserModel(
     companion object {
 
         val defaultMock = UserModel(
-            uuid = "uuid",
             name = "Test User",
-            avatarUrl = "https://images.unsplash.com/photo-1488161628813-04466f872be2?q=80&w=3376&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D",
-            email = "email",
-            isLiked = false,
-            likes = 0,
-            isSubscribed = false,
-            subscriptions = 0,
+            secondName = "Test SecondName",
         )
     }
 }

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

@@ -33,4 +33,33 @@
         android:text="change username"
         app:layout_constraintStart_toStartOf="@id/usernameTitleTextView"
         app:layout_constraintTop_toBottomOf="@id/usernameFieldTextView" />
+
+    <TextView
+        android:id="@+id/secondNameTitleTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginTop="32dp"
+        android:text="SecondName: "
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/usernameChangeButton" />
+
+    <TextView
+        android:id="@+id/secondNameFieldTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginStart="16dp"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="@id/secondNameTitleTextView"
+        app:layout_constraintStart_toEndOf="@id/secondNameTitleTextView"
+        app:layout_constraintTop_toTopOf="@id/secondNameTitleTextView" />
+
+    <Button
+        android:id="@+id/secondNameChangeButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="change secondName"
+        app:layout_constraintStart_toStartOf="@id/secondNameTitleTextView"
+        app:layout_constraintTop_toBottomOf="@id/secondNameFieldTextView" />
 </androidx.constraintlayout.widget.ConstraintLayout>