work

2023-12-20 16:34:27 +04:00 · 2023-12-20 16:34:27 +04:00 · af8f416ea8
commit af8f416ea8
78 changed files with 4104 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,16 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+.idea
--- a/.vs/LabWork5/v17/.wsuo
+++ b/.vs/LabWork5/v17/.wsuo
--- a/.vs/ProjectSettings.json
+++ b/.vs/ProjectSettings.json
@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}
--- a/.vs/VSWorkspaceState.json
+++ b/.vs/VSWorkspaceState.json
@ -0,0 +1,6 @@
+{
+  "ExpandedNodes": [
+    ""
+  ],
+  "PreviewInSolutionExplorer": false
+}
--- a/.vs/slnx.sqlite
+++ b/.vs/slnx.sqlite
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@ -0,0 +1,97 @@
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+    id("com.google.devtools.ksp")
+    id("org.jetbrains.kotlin.plugin.serialization")
+}
+
+android {
+    namespace = "ru.ulstu.is.pmu"
+    compileSdk = 33
+
+    defaultConfig {
+        applicationId = "ru.ulstu.is.pmu"
+        minSdk = 24
+        targetSdk = 33
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.4.5"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+kotlin {
+    jvmToolchain(17)
+}
+
+dependencies {
+    // Core
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+
+    // UI
+    implementation("androidx.activity:activity-compose:1.7.2")
+    implementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    implementation("androidx.navigation:navigation-compose:2.6.0")
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3:1.1.2")
+    implementation("androidx.compose.material:material:1.4.3")
+
+
+    // Room
+    val roomVersion = "2.5.2"
+    implementation("androidx.room:room-runtime:$roomVersion")
+    annotationProcessor("androidx.room:room-compiler:$roomVersion")
+    ksp("androidx.room:room-compiler:$roomVersion")
+    implementation("androidx.room:room-ktx:$roomVersion")
+    implementation("androidx.room:room-paging:$roomVersion")
+
+    // retrofit
+    val retrofitVersion = "2.9.0"
+    implementation("com.squareup.retrofit2:retrofit:$retrofitVersion")
+    implementation("com.squareup.okhttp3:logging-interceptor:4.11.0")
+    implementation("androidx.paging:paging-compose:3.2.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.1")
+    implementation("com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0")
+
+    // Tests
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/ru/ulstu/is/pmu/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/ru/ulstu/is/pmu/ExampleInstrumentedTest.kt
@ -0,0 +1,22 @@
+package ru.ulstu.`is`.pmu
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Assert.*
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * 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("ru.ulstu.is.pmu", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:name=".TaskApplication"
+        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.Pmudemo"
+        tools:targetApi="31"
+        android:networkSecurityConfig="@xml/network_security_config">
+        <activity
+            android:name=".MainComposeActivity"
+            android:exported="true"
+            android:theme="@style/Theme.Pmudemo">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/java/ru/ulstu/is/pmu/MainComposeActivity.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/MainComposeActivity.kt
@ -0,0 +1,27 @@
+package ru.ulstu.`is`.pmu
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.ui.Modifier
+import ru.ulstu.`is`.pmu.ui.navigation.MainNavbar
+import ru.ulstu.`is`.pmu.ui.theme.PmudemoTheme
+
+class MainComposeActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            PmudemoTheme {
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    MainNavbar()
+                }
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/StudentApplication.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/StudentApplication.kt
@ -0,0 +1,14 @@
+package ru.ulstu.`is`.pmu
+
+import android.app.Application
+import ru.ulstu.`is`.pmu.common.AppContainer
+import ru.ulstu.`is`.pmu.common.AppDataContainer
+
+class TaskApplication : Application() {
+    lateinit var container: AppContainer
+
+    override fun onCreate() {
+        super.onCreate()
+        container = AppDataContainer(this)
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/api/MyServerService.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/MyServerService.kt
@ -0,0 +1,80 @@
+package ru.ulstu.`is`.pmu.api
+
+import android.util.Log
+import androidx.core.content.PackageManagerCompat.LOG_TAG
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.json.Json
+import okhttp3.Interceptor
+import okhttp3.Interceptor.*
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.http.Body
+import retrofit2.http.DELETE
+import retrofit2.http.GET
+import retrofit2.http.POST
+import retrofit2.http.PUT
+import retrofit2.http.Path
+import retrofit2.http.Query
+import ru.ulstu.`is`.pmu.api.model.UserRemote
+import ru.ulstu.`is`.pmu.api.model.TaskRemote
+
+
+interface MyServerService {
+    @GET("users")
+    suspend fun getUsers(): List<UserRemote>
+
+    @GET("tasks")
+    suspend fun getTasks(
+        @Query("_page") page: Int,
+        @Query("_limit") limit: Int,
+    ): List<TaskRemote>
+
+    @GET("tasks/{id}")
+    suspend fun getTask(
+        @Path("id") id: Int,
+    ): TaskRemote
+
+    @POST("tasks")
+    suspend fun createTask(
+        @Body task: TaskRemote,
+    ): TaskRemote
+
+    @PUT("tasks/{id}")
+    suspend fun updateTask(
+        @Path("id") id: Int,
+        @Body task: TaskRemote,
+    ): TaskRemote
+
+    @DELETE("tasks/{id}")
+    suspend fun deleteTask(
+        @Path("id") id: Int,
+    ): TaskRemote
+
+    companion object {
+        private const val BASE_URL = "http://10.0.2.2:8079/"
+
+        @Volatile
+        private var INSTANCE: MyServerService? = null
+
+        fun getInstance(): MyServerService {
+            return INSTANCE ?: synchronized(this) {
+                val logger = HttpLoggingInterceptor()
+                logger.level = HttpLoggingInterceptor.Level.BASIC
+                val client = OkHttpClient.Builder()
+                    .addInterceptor(logger)
+                    .build()
+                return Retrofit.Builder()
+                    .baseUrl(BASE_URL)
+                    .client(client)
+                    .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+                    .build()
+                    .create(MyServerService::class.java)
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/api/model/TaskRemote.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/model/TaskRemote.kt
@ -0,0 +1,32 @@
+package ru.ulstu.`is`.pmu.api.model
+
+import kotlinx.serialization.Serializable
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+@Serializable
+data class TaskRemote(
+    val id: Int = 0,
+    val name: String = "",
+    val description: String = "",
+    val endDate: String = "",
+    val favorite: Boolean,
+    val userId: Int,
+)
+
+fun TaskRemote.toTask(): Task = Task(
+    id,
+    name,
+    description,
+    endDate,
+    favorite = false,
+    userId
+)
+
+fun Task.toTaskRemote(): TaskRemote = TaskRemote(
+    uid,
+    name,
+    description,
+    endDate,
+    favorite = false,
+    userId = 1
+)
--- a/app/src/main/java/ru/ulstu/is/pmu/api/model/UserRemote.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/model/UserRemote.kt
@ -0,0 +1,17 @@
+package ru.ulstu.`is`.pmu.api.model
+
+import kotlinx.serialization.Serializable
+import ru.ulstu.`is`.pmu.database.task.model.User
+
+@Serializable
+data class UserRemote(
+    val id: Int = 0,
+    val name: String,
+    val login: String
+)
+
+fun UserRemote.toUser(): User = User(
+    id,
+    name,
+    login
+)
--- a/app/src/main/java/ru/ulstu/is/pmu/api/task/RestTaskRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/task/RestTaskRepository.kt
@ -0,0 +1,65 @@
+package ru.ulstu.`is`.pmu.api.task
+
+import android.util.Log
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import kotlinx.coroutines.flow.Flow
+import ru.ulstu.`is`.pmu.api.MyServerService
+import ru.ulstu.`is`.pmu.api.user.RestUserRepository
+import ru.ulstu.`is`.pmu.api.model.toTask
+import ru.ulstu.`is`.pmu.api.model.toTaskRemote
+import ru.ulstu.`is`.pmu.common.AppContainer
+import ru.ulstu.`is`.pmu.common.TaskRepository
+import ru.ulstu.`is`.pmu.database.AppDatabase
+import ru.ulstu.`is`.pmu.database.remotekeys.repository.OfflineRemoteKeyRepository
+import ru.ulstu.`is`.pmu.database.task.model.Task
+import ru.ulstu.`is`.pmu.database.task.repository.OfflineTaskRepository
+
+class RestTaskRepository(
+    private val service: MyServerService,
+    private val dbTaskRepository: OfflineTaskRepository,
+    private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
+    private val userRestRepository: RestUserRepository,
+    private val database: AppDatabase
+) : TaskRepository {
+    override fun getAllTasks(): Flow<PagingData<Task>> {
+        Log.d(RestTaskRepository::class.simpleName, "Get tasks")
+
+        val pagingSourceFactory = { dbTaskRepository.getAllTasksPagingSource() }
+
+        @OptIn(ExperimentalPagingApi::class)
+        return Pager(
+            config = PagingConfig(
+                pageSize = AppContainer.LIMIT,
+                enablePlaceholders = false
+            ),
+            remoteMediator = TaskRemoteMediator(
+                service,
+                dbTaskRepository,
+                dbRemoteKeyRepository,
+                userRestRepository,
+                database,
+            ),
+            pagingSourceFactory = pagingSourceFactory
+        ).flow
+    }
+
+    override suspend fun getTask(uid: Int): Task =
+        service.getTask(uid).toTask()
+
+    override suspend fun insertTask(task: Task) {
+        service.createTask(task.toTaskRemote()).toTask()
+    }
+
+    override suspend fun updateTask(task: Task) {
+        service.updateTask(task.uid, task.toTaskRemote()).toTask()
+    }
+
+    override suspend fun deleteTask(task: Task) {
+        service.deleteTask(task.uid).toTask()
+    }
+
+
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/api/task/StudentRemoteMediator.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/task/StudentRemoteMediator.kt
@ -0,0 +1,110 @@
+package ru.ulstu.`is`.pmu.api.task
+
+import androidx.paging.ExperimentalPagingApi
+import androidx.paging.LoadType
+import androidx.paging.PagingState
+import androidx.paging.RemoteMediator
+import androidx.room.withTransaction
+import retrofit2.HttpException
+import ru.ulstu.`is`.pmu.api.MyServerService
+import ru.ulstu.`is`.pmu.api.user.RestUserRepository
+import ru.ulstu.`is`.pmu.api.model.toTask
+import ru.ulstu.`is`.pmu.database.AppDatabase
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeyType
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeys
+import ru.ulstu.`is`.pmu.database.remotekeys.repository.OfflineRemoteKeyRepository
+import ru.ulstu.`is`.pmu.database.task.model.Task
+import ru.ulstu.`is`.pmu.database.task.repository.OfflineTaskRepository
+import java.io.IOException
+
+@OptIn(ExperimentalPagingApi::class)
+class TaskRemoteMediator(
+    private val service: MyServerService,
+    private val dbTaskRepository: OfflineTaskRepository,
+    private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
+    private val userRestRepository: RestUserRepository,
+    private val database: AppDatabase
+) : RemoteMediator<Int, Task>() {
+
+    override suspend fun initialize(): InitializeAction {
+        return InitializeAction.LAUNCH_INITIAL_REFRESH
+    }
+
+    override suspend fun load(
+        loadType: LoadType,
+        state: PagingState<Int, Task>
+    ): MediatorResult {
+        val page = when (loadType) {
+            LoadType.REFRESH -> {
+                val remoteKeys = getRemoteKeyClosestToCurrentPosition(state)
+                remoteKeys?.nextKey?.minus(1) ?: 1
+            }
+
+            LoadType.PREPEND -> {
+                val remoteKeys = getRemoteKeyForFirstItem(state)
+                remoteKeys?.prevKey
+                    ?: return MediatorResult.Success(endOfPaginationReached = remoteKeys != null)
+            }
+
+            LoadType.APPEND -> {
+                val remoteKeys = getRemoteKeyForLastItem(state)
+                remoteKeys?.nextKey
+                    ?: return MediatorResult.Success(endOfPaginationReached = remoteKeys != null)
+            }
+        }
+
+        try {
+            val tasks = service.getTasks(page, state.config.pageSize).map { it.toTask() }
+            val endOfPaginationReached = tasks.isEmpty()
+            database.withTransaction {
+                if (loadType == LoadType.REFRESH) {
+                    dbRemoteKeyRepository.deleteRemoteKey(RemoteKeyType.STUDENT)
+                    dbTaskRepository.clearTasks()
+                }
+                val prevKey = if (page == 1) null else page - 1
+                val nextKey = if (endOfPaginationReached) null else page + 1
+                val keys = tasks.map {
+                    RemoteKeys(
+                        entityId = it.uid,
+                        type = RemoteKeyType.STUDENT,
+                        prevKey = prevKey,
+                        nextKey = nextKey
+                    )
+                }
+                userRestRepository.getAllUsers()
+                dbRemoteKeyRepository.createRemoteKeys(keys)
+                dbTaskRepository.insertTasks(tasks)
+            }
+            return MediatorResult.Success(endOfPaginationReached = endOfPaginationReached)
+        } catch (exception: IOException) {
+            return MediatorResult.Error(exception)
+        } catch (exception: HttpException) {
+            return MediatorResult.Error(exception)
+        }
+    }
+
+    private suspend fun getRemoteKeyForLastItem(state: PagingState<Int, Task>): RemoteKeys? {
+        return state.pages.lastOrNull { it.data.isNotEmpty() }?.data?.lastOrNull()
+            ?.let { task ->
+                dbRemoteKeyRepository.getAllRemoteKeys(task.uid, RemoteKeyType.STUDENT)
+            }
+    }
+
+    private suspend fun getRemoteKeyForFirstItem(state: PagingState<Int, Task>): RemoteKeys? {
+        return state.pages.firstOrNull { it.data.isNotEmpty() }?.data?.firstOrNull()
+            ?.let { task ->
+                dbRemoteKeyRepository.getAllRemoteKeys(task.uid, RemoteKeyType.STUDENT)
+            }
+    }
+
+    private suspend fun getRemoteKeyClosestToCurrentPosition(
+        state: PagingState<Int, Task>
+    ): RemoteKeys? {
+        return state.anchorPosition?.let { position ->
+            state.closestItemToPosition(position)?.uid?.let { taskUid ->
+                dbRemoteKeyRepository.getAllRemoteKeys(taskUid, RemoteKeyType.STUDENT)
+            }
+        }
+    }
+
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/api/user/RestUserRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/api/user/RestUserRepository.kt
@ -0,0 +1,34 @@
+package ru.ulstu.`is`.pmu.api.user
+
+import android.util.Log
+import ru.ulstu.`is`.pmu.api.MyServerService
+import ru.ulstu.`is`.pmu.api.task.RestTaskRepository
+import ru.ulstu.`is`.pmu.database.task.model.User
+import ru.ulstu.`is`.pmu.common.UserRepository
+import ru.ulstu.`is`.pmu.database.task.repository.OfflineUserRepository
+import ru.ulstu.`is`.pmu.api.model.toUser
+
+class RestUserRepository(
+    private val service: MyServerService,
+    private val dbUserRepository: OfflineUserRepository,
+): UserRepository {
+    override suspend fun getAllUsers(): List<User> {
+        Log.d(RestTaskRepository::class.simpleName, "Get users")
+
+        val existUsers = dbUserRepository.getAllUsers().associateBy { it.uid }.toMutableMap()
+
+        service.getUsers()
+            .map { it.toUser() }
+            .forEach { user ->
+            val existUser = existUsers[user.uid]
+            if (existUser == null) {
+                dbUserRepository.createUser(user)
+            } else if (existUser != user) {
+                dbUserRepository.createUser(user)
+            }
+            existUsers[user.uid] = user
+        }
+
+        return existUsers.map { it.value }.sortedBy { it.uid }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/common/AppContainer.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/common/AppContainer.kt
@ -0,0 +1,47 @@
+package ru.ulstu.`is`.pmu.common
+
+import android.content.Context
+import ru.ulstu.`is`.pmu.api.MyServerService
+import ru.ulstu.`is`.pmu.api.user.RestUserRepository
+import ru.ulstu.`is`.pmu.api.task.RestTaskRepository
+import ru.ulstu.`is`.pmu.database.AppDatabase
+import ru.ulstu.`is`.pmu.database.remotekeys.repository.OfflineRemoteKeyRepository
+import ru.ulstu.`is`.pmu.database.task.repository.OfflineUserRepository
+import ru.ulstu.`is`.pmu.database.task.repository.OfflineTaskRepository
+
+interface AppContainer {
+    val taskRestRepository: RestTaskRepository
+    val userRestRepository: RestUserRepository
+
+    companion object {
+        const val TIMEOUT = 5000L
+        const val LIMIT = 10
+    }
+}
+
+class AppDataContainer(private val context: Context) : AppContainer {
+    private val taskRepository: OfflineTaskRepository by lazy {
+        OfflineTaskRepository(AppDatabase.getInstance(context).taskDao())
+    }
+    private val userRepository: OfflineUserRepository by lazy {
+        OfflineUserRepository(AppDatabase.getInstance(context).userDao())
+    }
+    private val remoteKeyRepository: OfflineRemoteKeyRepository by lazy {
+        OfflineRemoteKeyRepository(AppDatabase.getInstance(context).remoteKeysDao())
+    }
+    override val taskRestRepository: RestTaskRepository by lazy {
+        RestTaskRepository(
+            MyServerService.getInstance(),
+            taskRepository,
+            remoteKeyRepository,
+            userRestRepository,
+            AppDatabase.getInstance(context)
+        )
+    }
+    override val userRestRepository: RestUserRepository by lazy {
+        RestUserRepository(
+            MyServerService.getInstance(),
+            userRepository
+        )
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/common/AppViewModelProvider.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/common/AppViewModelProvider.kt
@ -0,0 +1,31 @@
+package ru.ulstu.`is`.pmu.common
+
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.createSavedStateHandle
+import androidx.lifecycle.viewmodel.CreationExtras
+import androidx.lifecycle.viewmodel.initializer
+import androidx.lifecycle.viewmodel.viewModelFactory
+import ru.ulstu.`is`.pmu.TaskApplication
+import ru.ulstu.`is`.pmu.ui.task.edit.UserDropDownViewModel
+import ru.ulstu.`is`.pmu.ui.task.edit.TaskEditViewModel
+import ru.ulstu.`is`.pmu.ui.task.list.TaskListViewModel
+
+object AppViewModelProvider {
+    val Factory = viewModelFactory {
+        initializer {
+            TaskListViewModel(taskApplication().container.taskRestRepository)
+        }
+        initializer {
+            TaskEditViewModel(
+                this.createSavedStateHandle(),
+                taskApplication().container.taskRestRepository
+            )
+        }
+        initializer {
+            UserDropDownViewModel(taskApplication().container.userRestRepository)
+        }
+    }
+}
+
+fun CreationExtras.taskApplication(): TaskApplication =
+    (this[ViewModelProvider.AndroidViewModelFactory.APPLICATION_KEY] as TaskApplication)
--- a/app/src/main/java/ru/ulstu/is/pmu/common/TaskRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/common/TaskRepository.kt
@ -0,0 +1,13 @@
+package ru.ulstu.`is`.pmu.common
+
+import androidx.paging.PagingData
+import kotlinx.coroutines.flow.Flow
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+interface TaskRepository {
+    fun getAllTasks(): Flow<PagingData<Task>>
+    suspend fun getTask(uid: Int): Task
+    suspend fun insertTask(task: Task)
+    suspend fun updateTask(task: Task)
+    suspend fun deleteTask(task: Task)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/common/UserRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/common/UserRepository.kt
@ -0,0 +1,7 @@
+package ru.ulstu.`is`.pmu.common
+
+import ru.ulstu.`is`.pmu.database.task.model.User
+
+interface UserRepository {
+    suspend fun getAllUsers(): List<User>
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/AppDatabase.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/AppDatabase.kt
@ -0,0 +1,75 @@
+package ru.ulstu.`is`.pmu.database
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import ru.ulstu.`is`.pmu.database.remotekeys.dao.RemoteKeysDao
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeys
+import ru.ulstu.`is`.pmu.database.task.dao.UserDao
+import ru.ulstu.`is`.pmu.database.task.dao.TaskDao
+import ru.ulstu.`is`.pmu.database.task.model.User
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+@Database(
+    entities = [
+        Task::class,
+        User::class,
+        RemoteKeys::class,
+    ],
+    version = 1,
+    exportSchema = false
+)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun taskDao(): TaskDao
+    abstract fun userDao(): UserDao
+    abstract fun remoteKeysDao(): RemoteKeysDao
+
+    companion object {
+        private const val DB_NAME: String = "pmy-db"
+
+        @Volatile
+        private var INSTANCE: AppDatabase? = null
+
+        private suspend fun populateDatabase() {
+            INSTANCE?.let { database ->
+                // Users
+                val userDao = database.userDao()
+                val user1 = User(1, "Sergey", "brook.sergey@gmail.com")
+                userDao.insert(user1)
+                // Tasks
+                val taskDao = database.taskDao()
+                val task1 = Task("First1", "Last1","12.12.2023",false, user1)
+                val task2 = Task("First2", "Last2","15.12.2023",false, user1)
+                val task3 = Task("First3", "Last3","10.12.2023",false, user1)
+                val task4 = Task("First4", "Last4","31.12.2023",false, user1)
+                val task5 = Task("First5", "Last5","05.12.2023",false, user1)
+                taskDao.insert(task1)
+                taskDao.insert(task2)
+                taskDao.insert(task3)
+                taskDao.insert(task4)
+                taskDao.insert(task5)
+            }
+        }
+
+        fun getInstance(appContext: Context): AppDatabase {
+            return INSTANCE ?: synchronized(this) {
+                Room.databaseBuilder(
+                    appContext,
+                    AppDatabase::class.java,
+                    DB_NAME
+                )
+//                    .addCallback(object : Callback() {
+//                        override fun onCreate(db: SupportSQLiteDatabase) {
+//                            super.onCreate(db)
+//                            CoroutineScope(Dispatchers.IO).launch {
+//                                populateDatabase()
+//                            }
+//                        }
+//                    })
+                    .build()
+                    .also { INSTANCE = it }
+            }
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/dao/RemoteKeysDao.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/dao/RemoteKeysDao.kt
@ -0,0 +1,20 @@
+package ru.ulstu.`is`.pmu.database.remotekeys.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeyType
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeys
+
+@Dao
+interface RemoteKeysDao {
+    @Query("SELECT * FROM remote_keys WHERE entityId = :entityId AND type = :type")
+    suspend fun getRemoteKeys(entityId: Int, type: RemoteKeyType): RemoteKeys?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertAll(remoteKey: List<RemoteKeys>)
+
+    @Query("DELETE FROM remote_keys WHERE type = :type")
+    suspend fun clearRemoteKeys(type: RemoteKeyType)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/model/RemoteKeys.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/model/RemoteKeys.kt
@ -0,0 +1,26 @@
+package ru.ulstu.`is`.pmu.database.remotekeys.model
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverter
+import androidx.room.TypeConverters
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+enum class RemoteKeyType(private val type: String) {
+    STUDENT(Task::class.simpleName ?: "Task");
+
+    @TypeConverter
+    fun toRemoteKeyType(value: String) = RemoteKeyType.values().first { it.type == value }
+
+    @TypeConverter
+    fun fromRemoteKeyType(value: RemoteKeyType) = value.type
+}
+
+@Entity(tableName = "remote_keys")
+data class RemoteKeys(
+    @PrimaryKey val entityId: Int,
+    @TypeConverters(RemoteKeyType::class)
+    val type: RemoteKeyType,
+    val prevKey: Int?,
+    val nextKey: Int?
+)
--- a/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/repository/OfflineRemoteKeyRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/repository/OfflineRemoteKeyRepository.kt
@ -0,0 +1,16 @@
+package ru.ulstu.`is`.pmu.database.remotekeys.repository
+
+import ru.ulstu.`is`.pmu.database.remotekeys.dao.RemoteKeysDao
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeyType
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeys
+
+class OfflineRemoteKeyRepository(private val remoteKeysDao: RemoteKeysDao) : RemoteKeyRepository {
+    override suspend fun getAllRemoteKeys(id: Int, type: RemoteKeyType) =
+        remoteKeysDao.getRemoteKeys(id, type)
+
+    override suspend fun createRemoteKeys(remoteKeys: List<RemoteKeys>) =
+        remoteKeysDao.insertAll(remoteKeys)
+
+    override suspend fun deleteRemoteKey(type: RemoteKeyType) =
+        remoteKeysDao.clearRemoteKeys(type)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/repository/RemoteKeyRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/remotekeys/repository/RemoteKeyRepository.kt
@ -0,0 +1,10 @@
+package ru.ulstu.`is`.pmu.database.remotekeys.repository
+
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeyType
+import ru.ulstu.`is`.pmu.database.remotekeys.model.RemoteKeys
+
+interface RemoteKeyRepository {
+    suspend fun getAllRemoteKeys(id: Int, type: RemoteKeyType): RemoteKeys?
+    suspend fun createRemoteKeys(remoteKeys: List<RemoteKeys>)
+    suspend fun deleteRemoteKey(type: RemoteKeyType)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/dao/TaskDao.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/dao/TaskDao.kt
@ -0,0 +1,31 @@
+package ru.ulstu.`is`.pmu.database.task.dao
+
+import androidx.paging.PagingSource
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import kotlinx.coroutines.flow.Flow
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+@Dao
+interface TaskDao {
+    @Query("select * from tasks order by name collate nocase asc")
+    fun getAll(): PagingSource<Int, Task>
+
+    @Query("select * from tasks where tasks.uid = :uid")
+    fun getByUid(uid: Int): Flow<Task>
+
+    @Insert
+    suspend fun insert(vararg task: Task)
+
+    @Update
+    suspend fun update(task: Task)
+
+    @Delete
+    suspend fun delete(task: Task)
+
+    @Query("DELETE FROM tasks")
+    suspend fun deleteAll()
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/dao/UserDao.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/dao/UserDao.kt
@ -0,0 +1,23 @@
+package ru.ulstu.`is`.pmu.database.task.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import androidx.room.Update
+import ru.ulstu.`is`.pmu.database.task.model.User
+
+@Dao
+interface UserDao {
+    @Query("select * from users order by login collate nocase asc")
+    suspend fun getAll(): List<User>
+
+    @Insert
+    suspend fun insert(user: User)
+
+    @Update
+    suspend fun update(user: User)
+
+    @Delete
+    suspend fun delete(user: User)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/model/Task.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/model/Task.kt
@ -0,0 +1,80 @@
+package ru.ulstu.`is`.pmu.database.task.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.ForeignKey
+import androidx.room.Ignore
+import androidx.room.PrimaryKey
+
+@Entity(
+    tableName = "tasks", foreignKeys = [
+        ForeignKey(
+            entity = User::class,
+            parentColumns = ["uid"],
+            childColumns = ["user_id"],
+            onDelete = ForeignKey.RESTRICT,
+            onUpdate = ForeignKey.RESTRICT
+        )
+    ]
+)
+data class Task(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int = 0,
+    @ColumnInfo(name = "name")
+    val name: String,
+    @ColumnInfo(name = "description")
+    val description: String,
+    @ColumnInfo(name = "endDate")
+    val endDate: String,
+    @ColumnInfo(name = "favorite")
+    val favorite: Boolean,
+    @ColumnInfo(name = "user_id", index = true)
+    val userId: Int,
+) {
+
+    @Ignore
+    constructor(
+        name: String,
+        description: String,
+        endDate: String,
+        favorite: Boolean,
+        user: User,
+    ) : this(0, name, description, endDate, favorite, user.uid)
+
+
+    companion object {
+        fun getTask(index: Int = 0): Task {
+            return Task(
+                index,
+                "Test1234567",
+                "Test1235",
+                "11.12.2023",
+                true,
+                0,
+            )
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+        other as Task
+        if (uid != other.uid) return false
+        if (name != other.name) return false
+        if (description != other.description) return false
+        if (endDate != other.endDate) return false
+        if (favorite != other.favorite) return false
+        if (userId != other.userId) return false
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = uid
+        result = 31 * result + name.hashCode()
+        result = 31 * result + description.hashCode()
+        result = 31 * result + endDate.hashCode()
+        result = 31 * result + favorite.hashCode()
+        result = 31 * result + userId
+        return result
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/model/User.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/model/User.kt
@ -0,0 +1,41 @@
+package ru.ulstu.`is`.pmu.database.task.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "users")
+data class User(
+    @PrimaryKey(autoGenerate = true)
+    val uid: Int = 0,
+    @ColumnInfo(name = "user")
+    val name: String,
+    @ColumnInfo(name = "login")
+    val login: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as User
+
+        if (uid != other.uid) return false
+        if (name != other.name) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = uid
+        result = 31 * result + name.hashCode()
+        return result
+    }
+
+    companion object {
+        val DEMO_User = User(
+            0,
+            "User",
+            "Login"
+        )
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/repository/OfflineTaskRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/repository/OfflineTaskRepository.kt
@ -0,0 +1,37 @@
+package ru.ulstu.`is`.pmu.database.task.repository
+
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.PagingData
+import androidx.paging.PagingSource
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import ru.ulstu.`is`.pmu.common.AppContainer
+import ru.ulstu.`is`.pmu.common.TaskRepository
+import ru.ulstu.`is`.pmu.database.task.dao.TaskDao
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+class OfflineTaskRepository(private val taskDao: TaskDao) : TaskRepository {
+    override fun getAllTasks(): Flow<PagingData<Task>> = Pager(
+        config = PagingConfig(
+            pageSize = AppContainer.LIMIT,
+            enablePlaceholders = false
+        ),
+        pagingSourceFactory = taskDao::getAll
+    ).flow
+
+    override suspend fun getTask(uid: Int): Task = taskDao.getByUid(uid).first()
+
+    override suspend fun insertTask(task: Task) = taskDao.insert(task)
+
+    override suspend fun updateTask(task: Task) = taskDao.update(task)
+
+    override suspend fun deleteTask(task: Task) = taskDao.delete(task)
+
+    fun getAllTasksPagingSource(): PagingSource<Int, Task> = taskDao.getAll()
+
+    suspend fun insertTasks(tasks: List<Task>) =
+        taskDao.insert(*tasks.toTypedArray())
+
+    suspend fun clearTasks() = taskDao.deleteAll()
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/database/student/repository/OfflineUserRepository.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/database/student/repository/OfflineUserRepository.kt
@ -0,0 +1,11 @@
+package ru.ulstu.`is`.pmu.database.task.repository
+
+import ru.ulstu.`is`.pmu.common.UserRepository
+import ru.ulstu.`is`.pmu.database.task.dao.UserDao
+import ru.ulstu.`is`.pmu.database.task.model.User
+
+class OfflineUserRepository(private val userDao: UserDao) : UserRepository {
+    override suspend fun getAllUsers(): List<User> = userDao.getAll()
+    suspend fun createUser(user: User) = userDao.insert(user)
+    suspend fun updateUser(user: User) = userDao.update(user)
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/about/About.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/about/About.kt
@ -0,0 +1,66 @@
+package ru.ulstu.`is`.pmu.ui.about
+
+import android.content.Intent
+import android.content.res.Configuration
+import android.net.Uri
+import android.widget.TextView
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import ru.ulstu.`is`.pmu.R
+import ru.ulstu.`is`.pmu.ui.theme.PmudemoTheme
+
+@Composable
+fun About() {
+    val localContext = LocalContext.current
+    val aboutText = localContext.resources.getText(R.string.about_text)
+
+    val urlOnClick = {
+        val openURL = Intent(Intent.ACTION_VIEW)
+        openURL.data = Uri.parse("https://ulstu.ru/")
+        localContext.startActivity(openURL)
+    }
+
+    Column(Modifier.padding(all = 10.dp)) {
+        AndroidView(
+            modifier = Modifier
+                .fillMaxWidth()
+                .clickable(onClick = urlOnClick),
+            factory = { context -> TextView(context) },
+            update = { it.text = aboutText }
+        )
+        Spacer(Modifier.padding(bottom = 10.dp))
+        Button(
+            modifier = Modifier.fillMaxWidth(),
+            onClick = urlOnClick
+        ) {
+            Text(stringResource(id = R.string.about_title))
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun AboutPreview() {
+    PmudemoTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            About()
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/navigation/MainNavbar.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/navigation/MainNavbar.kt
@ -0,0 +1,135 @@
+package ru.ulstu.`is`.pmu.ui.navigation
+
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.navigation.NavDestination
+import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.NavHostController
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import androidx.navigation.navArgument
+import ru.ulstu.`is`.pmu.R
+import ru.ulstu.`is`.pmu.ui.about.About
+import ru.ulstu.`is`.pmu.ui.task.edit.TaskEdit
+import ru.ulstu.`is`.pmu.ui.task.list.TaskList
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun Topbar(
+    navController: NavHostController,
+    currentScreen: Screen?
+) {
+    TopAppBar(
+        colors = TopAppBarDefaults.topAppBarColors(
+            containerColor = MaterialTheme.colorScheme.primary,
+            titleContentColor = MaterialTheme.colorScheme.onPrimary,
+        ),
+        title = {
+            Text(stringResource(currentScreen?.resourceId ?: R.string.app_name))
+        },
+        navigationIcon = {
+            if (
+                navController.previousBackStackEntry != null
+                && (currentScreen == null || !currentScreen.showInBottomBar)
+            ) {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(
+                        imageVector = Icons.Filled.ArrowBack,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.onPrimary
+                    )
+                }
+            }
+        }
+    )
+}
+
+@Composable
+fun Navbar(
+    navController: NavHostController,
+    currentDestination: NavDestination?,
+    modifier: Modifier = Modifier
+) {
+    NavigationBar(modifier) {
+        Screen.bottomBarItems.forEach { screen ->
+            NavigationBarItem(
+                icon = { Icon(screen.icon, contentDescription = null) },
+                label = { Text(stringResource(screen.resourceId)) },
+                selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true,
+                onClick = {
+                    navController.navigate(screen.route) {
+                        popUpTo(navController.graph.findStartDestination().id) {
+                            saveState = true
+                        }
+                        launchSingleTop = true
+                        restoreState = true
+                    }
+                }
+            )
+        }
+    }
+}
+
+@Composable
+fun Navhost(
+    navController: NavHostController,
+    innerPadding: PaddingValues, modifier:
+    Modifier = Modifier
+) {
+    NavHost(
+        navController,
+        startDestination = Screen.TaskList.route,
+        modifier.padding(innerPadding)
+    ) {
+        composable(Screen.TaskList.route) { TaskList(navController) }
+        composable(Screen.About.route) { About() }
+        composable(
+            Screen.TaskEdit.route,
+            arguments = listOf(navArgument("id") { type = NavType.IntType })
+        ) {
+            TaskEdit(navController)
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun MainNavbar() {
+    val navController = rememberNavController()
+    val navBackStackEntry by navController.currentBackStackEntryAsState()
+    val currentDestination = navBackStackEntry?.destination
+    val currentScreen = currentDestination?.route?.let { Screen.getItem(it) }
+
+    Scaffold(
+        topBar = {
+            Topbar(navController, currentScreen)
+        },
+        bottomBar = {
+            if (currentScreen == null || currentScreen.showInBottomBar) {
+                Navbar(navController, currentDestination)
+            }
+        }
+    ) { innerPadding ->
+        Navhost(navController, innerPadding)
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/navigation/Screen.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/navigation/Screen.kt
@ -0,0 +1,38 @@
+package ru.ulstu.`is`.pmu.ui.navigation
+
+import androidx.annotation.StringRes
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Favorite
+import androidx.compose.material.icons.filled.Info
+import androidx.compose.material.icons.filled.List
+import androidx.compose.ui.graphics.vector.ImageVector
+import ru.ulstu.`is`.pmu.R
+
+enum class Screen(
+    val route: String,
+    @StringRes val resourceId: Int,
+    val icon: ImageVector = Icons.Filled.Favorite,
+    val showInBottomBar: Boolean = true
+) {
+    TaskList(
+        "task-list", R.string.task_main_title, Icons.Filled.List
+    ),
+    About(
+        "about", R.string.about_title, Icons.Filled.Info
+    ),
+    TaskEdit(
+        "task-edit/{id}", R.string.task_view_title, showInBottomBar = false
+    );
+
+    companion object {
+        val bottomBarItems = listOf(
+            TaskList,
+            About,
+        )
+
+        fun getItem(route: String): Screen? {
+            val findRoute = route.split("/").first()
+            return values().find { value -> value.route.startsWith(findRoute) }
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/GroupDropDownViewModel.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/GroupDropDownViewModel.kt
@ -0,0 +1,46 @@
+package ru.ulstu.`is`.pmu.ui.task.edit
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.launch
+import ru.ulstu.`is`.pmu.common.UserRepository
+import ru.ulstu.`is`.pmu.database.task.model.User
+
+class UserDropDownViewModel(
+    private val userRepository: UserRepository
+) : ViewModel() {
+    var usersListUiState by mutableStateOf(UsersListUiState())
+        private set
+
+    var userUiState by mutableStateOf(UserUiState())
+        private set
+
+    init {
+        viewModelScope.launch {
+            usersListUiState = UsersListUiState(userRepository.getAllUsers())
+        }
+    }
+
+    fun setCurrentUser(userId: Int) {
+        val user: User? =
+            usersListUiState.userList.firstOrNull { user -> user.uid == userId }
+        user?.let { updateUiState(it) }
+    }
+
+    fun updateUiState(user: User) {
+        userUiState = UserUiState(
+            user = user
+        )
+    }
+}
+
+data class UsersListUiState(val userList: List<User> = listOf())
+
+data class UserUiState(
+    val user: User? = null
+)
+
+fun User.toUiState() = UserUiState(user = User(uid = uid, name = name, login = login))
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/StudentEdit.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/StudentEdit.kt
@ -0,0 +1,187 @@
+package ru.ulstu.`is`.pmu.ui.task.edit
+
+import android.content.res.Configuration
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.Button
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults.TrailingIcon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import kotlinx.coroutines.launch
+import ru.ulstu.`is`.pmu.R
+import ru.ulstu.`is`.pmu.database.task.model.User
+import ru.ulstu.`is`.pmu.database.task.model.Task
+import ru.ulstu.`is`.pmu.common.AppViewModelProvider
+import ru.ulstu.`is`.pmu.ui.theme.PmudemoTheme
+
+@Composable
+fun TaskEdit(
+    navController: NavController,
+    viewModel: TaskEditViewModel = viewModel(factory = AppViewModelProvider.Factory),
+    userViewModel: UserDropDownViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val coroutineScope = rememberCoroutineScope()
+    userViewModel.setCurrentUser(viewModel.taskUiState.taskDetails.userId)
+    TaskEdit(
+        taskUiState = viewModel.taskUiState,
+        userUiState = userViewModel.userUiState,
+        usersListUiState = userViewModel.usersListUiState,
+        onClick = {
+            coroutineScope.launch {
+                viewModel.saveTask()
+                navController.popBackStack()
+            }
+        },
+        onUpdate = viewModel::updateUiState,
+        onUserUpdate = userViewModel::updateUiState
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun UserDropDown(
+    userUiState: UserUiState,
+    usersListUiState: UsersListUiState,
+    onUserUpdate: (User) -> Unit
+) {
+    var expanded: Boolean by remember { mutableStateOf(false) }
+    ExposedDropdownMenuBox(
+        modifier = Modifier
+            .padding(top = 7.dp),
+        expanded = expanded,
+        onExpandedChange = {
+            expanded = !expanded
+        }
+    ) {
+        TextField(
+            value = userUiState.user?.name
+                ?: stringResource(id = R.string.task_user_not_select),
+            onValueChange = {},
+            readOnly = true,
+            trailingIcon = {
+                TrailingIcon(expanded = expanded)
+            },
+            modifier = Modifier
+                .fillMaxWidth()
+                .menuAnchor()
+        )
+        DropdownMenu(
+            expanded = expanded,
+            onDismissRequest = { expanded = false },
+            modifier = Modifier
+                .background(Color.White)
+                .exposedDropdownSize()
+        ) {
+            usersListUiState.userList.forEach { user ->
+                DropdownMenuItem(
+                    text = {
+                        Text(text = user.name)
+                    },
+                    onClick = {
+                        onUserUpdate(user)
+                        expanded = false
+                    }
+                )
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun TaskEdit(
+    taskUiState: TaskUiState,
+    userUiState: UserUiState,
+    usersListUiState: UsersListUiState,
+    onClick: () -> Unit,
+    onUpdate: (TaskDetails) -> Unit,
+    onUserUpdate: (User) -> Unit
+) {
+    Column(
+        Modifier
+            .fillMaxWidth()
+            .padding(all = 10.dp)
+    ) {
+        OutlinedTextField(
+            modifier = Modifier.fillMaxWidth(),
+            value = taskUiState.taskDetails.name,
+            onValueChange = { onUpdate(taskUiState.taskDetails.copy(name = it)) },
+            label = { Text(stringResource(id = R.string.task_firstname)) },
+            singleLine = true
+        )
+        OutlinedTextField(
+            modifier = Modifier.fillMaxWidth(),
+            value = taskUiState.taskDetails.description,
+            onValueChange = { onUpdate(taskUiState.taskDetails.copy(description = it)) },
+            label = { Text(stringResource(id = R.string.task_lastname)) },
+            singleLine = true
+        )
+        UserDropDown(
+            userUiState = userUiState,
+            usersListUiState = usersListUiState,
+            onUserUpdate = {
+                onUpdate(taskUiState.taskDetails.copy(userId = it.uid))
+                onUserUpdate(it)
+            }
+        )
+        OutlinedTextField(
+            modifier = Modifier.fillMaxWidth(),
+            value = taskUiState.taskDetails.endDate,
+            onValueChange = { onUpdate(taskUiState.taskDetails.copy(endDate = it)) },
+            label = { Text(stringResource(id = R.string.task_phone)) },
+            singleLine = true
+        )
+        Button(
+            onClick = onClick,
+            enabled = taskUiState.isEntryValid,
+            shape = MaterialTheme.shapes.small,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(text = stringResource(R.string.task_save_button))
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun TaskEditPreview() {
+    PmudemoTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            TaskEdit(
+                taskUiState = Task.getTask().toUiState(true),
+                userUiState = User.DEMO_User.toUiState(),
+                usersListUiState = UsersListUiState(listOf()),
+                onClick = {},
+                onUpdate = {},
+                onUserUpdate = {}
+            )
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/StudentEditViewModel.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/student/edit/StudentEditViewModel.kt
@ -0,0 +1,96 @@
+package ru.ulstu.`is`.pmu.ui.task.edit
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.launch
+import ru.ulstu.`is`.pmu.common.TaskRepository
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+class TaskEditViewModel(
+    savedStateHandle: SavedStateHandle,
+    private val taskRepository: TaskRepository
+) : ViewModel() {
+
+    var taskUiState by mutableStateOf(TaskUiState())
+        private set
+
+    private val taskUid: Int = checkNotNull(savedStateHandle["id"])
+
+    init {
+        viewModelScope.launch {
+            if (taskUid > 0) {
+                taskUiState = taskRepository.getTask(taskUid)
+                    .toUiState(true)
+            }
+        }
+    }
+
+    fun updateUiState(taskDetails: TaskDetails) {
+        taskUiState = TaskUiState(
+            taskDetails = taskDetails,
+            isEntryValid = validateInput(taskDetails)
+        )
+    }
+
+    suspend fun saveTask() {
+        if (validateInput()) {
+            if (taskUid > 0) {
+                taskRepository.updateTask(
+                    taskUiState.taskDetails.toTask(taskUid)
+                )
+            } else {
+                taskRepository.insertTask(
+                    taskUiState.taskDetails.toTask()
+                )
+            }
+        }
+    }
+
+    private fun validateInput(uiState: TaskDetails = taskUiState.taskDetails): Boolean {
+        return with(uiState) {
+            name.isNotBlank()
+                    && description.isNotBlank()
+                    && endDate.isNotBlank()
+                    && userId > 0
+        }
+    }
+}
+
+data class TaskUiState(
+    val taskDetails: TaskDetails = TaskDetails(),
+    val isEntryValid: Boolean = false
+)
+
+data class TaskDetails(
+    val name: String = "",
+    val description: String = "",
+    val endDate: String = "",
+    val favorite: Boolean = false,
+    val userId: Int = 0
+)
+
+fun TaskDetails.toTask(uid: Int = 0): Task = Task(
+    uid = uid,
+    name = name,
+    description = description,
+    endDate = endDate,
+    favorite = favorite,
+    userId = userId
+)
+
+fun Task.toDetails(): TaskDetails = TaskDetails(
+    name = name,
+    description = description,
+    endDate = endDate,
+    favorite = favorite,
+    userId = userId
+)
+
+fun Task.toUiState(isEntryValid: Boolean = false): TaskUiState = TaskUiState(
+    taskDetails = this.toDetails(),
+    isEntryValid = isEntryValid
+)
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/student/list/StudentList.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/student/list/StudentList.kt
@ -0,0 +1,284 @@
+package ru.ulstu.`is`.pmu.ui.task.list
+
+import android.content.res.Configuration
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.spring
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.ExperimentalMaterialApi
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.pullrefresh.PullRefreshIndicator
+import androidx.compose.material.pullrefresh.pullRefresh
+import androidx.compose.material.pullrefresh.rememberPullRefreshState
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.DismissDirection
+import androidx.compose.material3.DismissState
+import androidx.compose.material3.DismissValue
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.SwipeToDismiss
+import androidx.compose.material3.Text
+import androidx.compose.material3.rememberDismissState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Alignment.Companion.CenterHorizontally
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.zIndex
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import androidx.paging.PagingData
+import androidx.paging.compose.LazyPagingItems
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemContentType
+import androidx.paging.compose.itemKey
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.launch
+import ru.ulstu.`is`.pmu.common.AppViewModelProvider
+import ru.ulstu.`is`.pmu.database.task.model.Task
+import ru.ulstu.`is`.pmu.ui.navigation.Screen
+import ru.ulstu.`is`.pmu.ui.theme.PmudemoTheme
+
+@Composable
+fun TaskList(
+    navController: NavController,
+    viewModel: TaskListViewModel = viewModel(factory = AppViewModelProvider.Factory)
+) {
+    val coroutineScope = rememberCoroutineScope()
+    val taskListUiState = viewModel.taskListUiState.collectAsLazyPagingItems()
+    Scaffold(
+        topBar = {},
+        floatingActionButton = {
+            FloatingActionButton(
+                onClick = {
+                    val route = Screen.TaskEdit.route.replace("{id}", 0.toString())
+                    navController.navigate(route)
+                },
+            ) {
+                Icon(Icons.Filled.Add, "Добавить")
+            }
+        }
+    ) { innerPadding ->
+        TaskList(
+            modifier = Modifier
+                .padding(innerPadding)
+                .fillMaxSize(),
+            taskList = taskListUiState,
+            onClick = { uid: Int ->
+                val route = Screen.TaskEdit.route.replace("{id}", uid.toString())
+                navController.navigate(route)
+            },
+            onSwipe = { task: Task ->
+                coroutineScope.launch {
+                    viewModel.deleteTask(task)
+                }
+            }
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun DismissBackground(dismissState: DismissState) {
+    val color = when (dismissState.dismissDirection) {
+        DismissDirection.StartToEnd -> Color.Transparent
+        DismissDirection.EndToStart -> Color(0xFFFF1744)
+        null -> Color.Transparent
+    }
+    val direction = dismissState.dismissDirection
+
+    Row(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(color)
+            .padding(12.dp, 8.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.End
+    ) {
+        if (direction == DismissDirection.EndToStart) {
+            Icon(
+                Icons.Default.Delete,
+                contentDescription = "delete",
+                tint = Color.White
+            )
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun SwipeToDelete(
+    dismissState: DismissState,
+    task: Task,
+    onClick: (uid: Int) -> Unit
+) {
+    SwipeToDismiss(
+        modifier = Modifier.zIndex(1f),
+        state = dismissState,
+        directions = setOf(
+            DismissDirection.EndToStart
+        ),
+        background = {
+            DismissBackground(dismissState)
+        },
+        dismissContent = {
+            TaskListItem(task = task,
+                modifier = Modifier
+                    .padding(vertical = 7.dp)
+                    .clickable { onClick(task.uid) })
+        }
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalMaterialApi::class)
+@Composable
+private fun TaskList(
+    modifier: Modifier = Modifier,
+    taskList: LazyPagingItems<Task>,
+    onClick: (uid: Int) -> Unit,
+    onSwipe: (task: Task) -> Unit
+) {
+    val refreshScope = rememberCoroutineScope()
+    var refreshing by remember { mutableStateOf(false) }
+    fun refresh() = refreshScope.launch {
+        refreshing = true
+        taskList.refresh()
+        refreshing = false
+    }
+
+    val state = rememberPullRefreshState(refreshing, ::refresh)
+    Box(
+        modifier = modifier.pullRefresh(state)
+    ) {
+        Column(
+            modifier = modifier.fillMaxSize()
+        ) {
+            LazyColumn(modifier = Modifier.padding(all = 10.dp)) {
+                items(
+                    count = taskList.itemCount,
+                    key = taskList.itemKey(),
+                    contentType = taskList.itemContentType()
+                ) { index ->
+                    val task = taskList[index]
+                    task?.let {
+                        var show by remember { mutableStateOf(true) }
+                        val dismissState = rememberDismissState(
+                            confirmValueChange = {
+                                if (it == DismissValue.DismissedToStart ||
+                                    it == DismissValue.DismissedToEnd
+                                ) {
+                                    show = false
+                                    true
+                                } else false
+                            }, positionalThreshold = { 200.dp.toPx() }
+                        )
+
+                        AnimatedVisibility(
+                            show, exit = fadeOut(spring())
+                        ) {
+                            SwipeToDelete(
+                                dismissState = dismissState,
+                                task = task,
+                                onClick = onClick
+                            )
+                        }
+
+                        LaunchedEffect(show) {
+                            if (!show) {
+                                delay(800)
+                                onSwipe(task)
+                            }
+                        }
+                    }
+                }
+            }
+            PullRefreshIndicator(
+                refreshing, state,
+                Modifier
+                    .align(CenterHorizontally)
+                    .zIndex(100f)
+            )
+        }
+    }
+}
+
+@Composable
+private fun TaskListItem(
+    task: Task, modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier.fillMaxWidth(),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Column(
+            modifier = modifier.padding(all = 10.dp)
+        ) {
+            Text(
+                text = String.format("%s %s", task.name, task.description)
+            )
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun TaskListPreview() {
+    PmudemoTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            TaskList(
+                taskList = MutableStateFlow(
+                    PagingData.from((1..20).map { i -> Task.getTask(i) })
+                ).collectAsLazyPagingItems(),
+                onClick = {},
+                onSwipe = {}
+            )
+        }
+    }
+}
+
+@Preview(name = "Light Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Mode", showBackground = true, uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+fun TaskEmptyListPreview() {
+    PmudemoTheme {
+        Surface(
+            color = MaterialTheme.colorScheme.background
+        ) {
+            TaskList(
+                taskList = MutableStateFlow(
+                    PagingData.empty<Task>()
+                ).collectAsLazyPagingItems(),
+                onClick = {},
+                onSwipe = {}
+            )
+        }
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/student/list/StudentListViewModel.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/student/list/StudentListViewModel.kt
@ -0,0 +1,18 @@
+package ru.ulstu.`is`.pmu.ui.task.list
+
+import androidx.lifecycle.ViewModel
+import androidx.paging.PagingData
+import kotlinx.coroutines.flow.Flow
+import ru.ulstu.`is`.pmu.common.TaskRepository
+import ru.ulstu.`is`.pmu.database.task.model.Task
+
+class TaskListViewModel(
+    private val taskRepository: TaskRepository
+) : ViewModel() {
+
+    val taskListUiState: Flow<PagingData<Task>> = taskRepository.getAllTasks()
+
+    suspend fun deleteTask(task: Task) {
+        taskRepository.deleteTask(task)
+    }
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Color.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Color.kt
@ -0,0 +1,11 @@
+package ru.ulstu.`is`.pmu.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)
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Theme.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Theme.kt
@ -0,0 +1,70 @@
+package ru.ulstu.`is`.pmu.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.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+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 PmudemoTheme(
+    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
+    }
+    val view = LocalView.current
+    if (!view.isInEditMode) {
+        SideEffect {
+            val window = (view.context as Activity).window
+            window.statusBarColor = colorScheme.primary.toArgb()
+            WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+        }
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
--- a/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Type.kt
+++ b/app/src/main/java/ru/ulstu/is/pmu/ui/theme/Type.kt
@ -0,0 +1,34 @@
+package ru.ulstu.`is`.pmu.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
+    )
+    */
+)
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -0,0 +1,19 @@
+<resources>
+    <string name="app_name">pmu-demo</string>
+    <string name="task_firstname">Имя</string>
+    <string name="task_lastname">Фамилия</string>
+    <string name="task_user">Группа</string>
+    <string name="task_phone">Телефон</string>
+    <string name="task_email">e-mail</string>
+    <string name="task_main_title">Список студентов</string>
+    <string name="task_view_title">Профиль студента</string>
+    <string name="task_empty_description">Записи о студентах отсутствуют</string>
+    <string name="task_user_not_select">Группа не указана</string>
+    <string name="task_save_button">Сохранить</string>
+    <string name="about_title">О нас</string>
+    <string name="about_text">
+        <p>Это текст <b>о нас</b>!</p>\n\n
+        <p>Здесь могла быть Ваша реклама!</p>\n\n
+        <p>Наш сайт <a href="https://ulstu.ru">ulstu.ru</a></p>
+    </string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.Pmudemo" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/main/res/xml/network_security_config.xml
+++ b/app/src/main/res/xml/network_security_config.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="true">10.0.2.2</domain>
+    </domain-config>
+</network-security-config>
--- a/app/src/test/java/ru/ulstu/is/pmu/ExampleUnitTest.kt
+++ b/app/src/test/java/ru/ulstu/is/pmu/ExampleUnitTest.kt
@ -0,0 +1,16 @@
+package ru.ulstu.`is`.pmu
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
--- a/build.gradle.kts
+++ b/build.gradle.kts
@ -0,0 +1,7 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.application") version "8.1.4" apply false
+    id("org.jetbrains.kotlin.android") version "1.8.20" apply false
+    id("com.google.devtools.ksp") version "1.8.20-1.0.11" apply false
+    id("org.jetbrains.kotlin.plugin.serialization") version "1.8.20" apply false
+}
--- a/gradle.properties
+++ b/gradle.properties
@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
+#Mon Sep 25 15:50:37 SAMT 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/185
+++ b/185
@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/1
+++ b/1
@ -0,0 +1 @@
+https://developer.android.com/codelabs/basic-android-kotlin-compose-persisting-data-room#0
--- a/server/.gitignore
+++ b/server/.gitignore
@ -0,0 +1,42 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# Compiled output
+/dist
+/tmp
+/out-tsc
+/bazel-out
+
+# Node
+/node_modules
+npm-debug.log
+yarn-error.log
+
+# IDEs and editors
+.idea/
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history/*
+
+# Miscellaneous
+/.angular/cache
+.sass-cache/
+/connect.lock
+/coverage
+/libpeerconnection.log
+testem.log
+/typings
+
+# System files
+.DS_Store
+Thumbs.db
--- a/server/data.json
+++ b/server/data.json
@ -0,0 +1,32 @@
+{
+  "users": [
+    {
+      "id": 1,
+      "name": "Name",
+      "login": "Login"
+    },
+    {
+      "id": 2,
+      "name": "Test",
+      "login": "Log"
+    }
+  ],
+  "tasks": [
+    {
+      "id": 1,
+      "name": "Test",
+      "description": "Test",
+      "endDate": "20.12.2023",
+      "favorite": false,
+      "userId": 1
+    },
+    {
+      "name": "Test1",
+      "description": "Test2",
+      "endDate": "Test3",
+      "favorite": false,
+      "userId": 1,
+      "id": 2
+    }
+  ]
+}
--- a/server/package-lock.json
+++ b/server/package-lock.json
--- a/server/package.json
+++ b/server/package.json
@ -0,0 +1,12 @@
+{
+  "name": "fake-db",
+  "version": "1.0.0",
+  "scripts": {
+    "start": "json-server --watch data.json --host 0.0.0.0 -p 8079"
+  },
+  "dependencies": {
+  },
+  "devDependencies": {
+    "json-server": "0.17.4"
+  }
+}
--- a/server/readme.md
+++ b/server/readme.md
@ -0,0 +1,26 @@
+Установка nodejs:
+1. Заходим на сайт https://nodejs.org/en/
+2. Скачиваем LTS версию
+3. Устанавливаем
+
+Переход в каталог с сервером:
+```commandline
+cd ./server
+```
+
+Установка зависимостей:
+```commandline
+npm install
+```
+
+Запуск:
+```commandline
+npm start
+```
+
+Примеры:
+- http://localhost:8079
+- http://localhost:8079/tasks
+- http://localhost:8079/tasks?_expand=user
+
+Документация -- https://www.npmjs.com/package/json-server
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "pmu-demo"
+include(":app")
				`@ -0,0 +1 @@`
				`https://developer.android.com/codelabs/basic-android-kotlin-compose-persisting-data-room#0`