Добавление Data class

app/src/main/java/com/example/android_projects/ClassPerson.kt

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+data class

src/androidTest/java/com/example/android_projects/ExampleInstrumentedTest.kt

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+package com.example.android_projects
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.android_projects", appContext.packageName)
+    }
+}

src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Android_projects">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Android_projects">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

src/main/java/com/example/android_projects/InputComponent.kt

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+package com.example.android_projects
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.colorResource
+
+@Composable
+fun Input(label: String, inputText: MutableState<String>, modifier: Modifier) {
+    Row(modifier = modifier) {
+        Text(
+            text = label,
+            modifier = modifier,
+            color = colorResource(R.color.purple_700)
+        )
+        TextField(
+            value = inputText.value,
+            onValueChange = {text -> inputText.value = text},
+            modifier = modifier
+        )
+    }
+}

src/main/java/com/example/android_projects/ListComponent.kt

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+package com.example.android_projects
+
+import Person
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.colorResource
+
+@Composable
+fun List(message: MutableState<String>, messages: MutableList<Person>, modifier: Modifier = Modifier) {
+    Column(modifier = modifier) {
+        LazyColumn(modifier = modifier.fillMaxWidth()) {
+            item { Row() { Text(text = "TEXT") } }
+            items(messages){msg -> Text(text = msg.fullName)}
+        }
+
+        Text(
+            text = message.value,
+            modifier = modifier,
+            color = colorResource(R.color.teal_700)
+        )
+    }
+}

src/main/java/com/example/android_projects/MainActivity.kt

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+package com.example.android_projects
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Scaffold
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.example.android_projects.ui.theme.Android_projectsTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            Android_projectsTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    MainComponent(modifier = Modifier.padding(innerPadding))
+                }
+            }
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun test() {
+
+    Android_projectsTheme {
+        Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+            MainComponent(modifier = Modifier.padding(innerPadding))
+        }
+    }
+}

src/main/java/com/example/android_projects/MainComponent.kt

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+package com.example.android_projects
+
+import Person
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+
+@Composable
+fun MainComponent(modifier: Modifier = Modifier){
+    val buffer = remember{mutableStateOf("")}
+    val message = remember{mutableStateOf("")}
+    val messages = remember { mutableStateListOf<Person>() }
+    val bufferData= remember{mutableStateOf("")}
+    val messageData = remember{mutableStateOf("")}
+
+    Column(modifier = modifier) {
+        List(message = message, messages = messages, modifier = modifier)
+
+        Input(label = "ФИО", inputText = buffer, modifier = modifier)
+        Input(label = "Дата рождения", inputText = bufferData, modifier = modifier)
+        Button(
+            content = {Text(text = "Сохранить")},
+            modifier = modifier,
+            onClick = {
+                message.value = buffer.value
+
+                messageData.value = bufferData.value
+                messages.add(Person(buffer.value, bufferData.value))
+            })
+    }
+}

src/main/java/com/example/android_projects/PersonClass.kt

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+data class Person(val fullName: String, val data: String)

src/main/java/com/example/android_projects/ui/theme/Color.kt

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+package com.example.android_projects.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)

src/main/java/com/example/android_projects/ui/theme/Theme.kt

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+package com.example.android_projects.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun Android_projectsTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}

src/main/java/com/example/android_projects/ui/theme/Type.kt

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+package com.example.android_projects.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)