0.1.0 - Basic Setting

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,32 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+  </profile>
+</component>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

app/build.gradle.kts

@@ -2,6 +2,8 @@ plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
     id("com.google.devtools.ksp")
+
+    id("com.google.dagger.hilt.android")
     kotlin("kapt")
 }
 
@@ -47,6 +49,7 @@ android {
     packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
+            excludes += "/META-INF/gradle/incremental.annotation.processors"
         }
     }
 }
@@ -77,16 +80,13 @@ dependencies {
 
     // All dependencies
     implementation ("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.2")
-    implementation ("androidx.compose.material:material-icons-extended:$composeVersion")
+    implementation ("androidx.compose.material:material-icons-extended")
     implementation ("androidx.activity:activity-compose:1.8.2")
     implementation ("com.google.accompanist:accompanist-swiperefresh:0.24.2-alpha")
 
-    //Dagger - Hilt
-    implementation ("com.google.dagger:hilt-compiler:latest.release")
-    implementation ("com.google.dagger:hilt-android:latest.release")
-    kapt ("com.google.dagger:hilt-android-compiler:latest.release")
-    kapt ("androidx.hilt:hilt-compiler:latest.release")
-    implementation ("androidx.hilt:hilt-navigation-compose:1.1.0")
+    // Dagger
+    implementation("com.google.dagger:hilt-android:2.50")
+    kapt("com.google.dagger:hilt-android-compiler:2.50")
 
     // Room
     implementation ("androidx.room:room-runtime:2.6.1")
@@ -94,4 +94,7 @@ dependencies {
 
     // Kotlin Extensions and Coroutines support for Room
     implementation ("androidx.room:room-ktx:2.6.1")
+
+    // Datastore
+    implementation ("androidx.datastore:datastore-preferences:latest.release")
 }

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application
+        android:name=".util.BookApplication"
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"

app/src/main/java/com/acclorite/books_history/MainActivity.kt

@@ -3,14 +3,35 @@ package com.acclorite.books_history
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.activity.viewModels
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.Text
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.datastore.core.DataStore
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.acclorite.books_history.data.use_case.ChangeLanguageImpl
+import com.acclorite.books_history.presentation.MainViewModel
+import com.acclorite.books_history.presentation.NavigationHost
+import com.acclorite.books_history.presentation.Screen
 import com.acclorite.books_history.ui.theme.BooksHistoryResurrectionTheme
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
+    private val mainViewModel: MainViewModel by viewModels()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
         setContent {
             BooksHistoryResurrectionTheme {
+                NavigationHost(startScreen = Screen.LIBRARY, this) {
 
+                }
             }
         }
     }

app/src/main/java/com/acclorite/books_history/data/di/AppModule.kt

@@ -0,0 +1,32 @@
+package com.acclorite.books_history.data.di
+
+import android.app.Application
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.preferencesDataStore
+import androidx.room.Room
+import com.acclorite.books_history.data.local.room.BookDao
+import com.acclorite.books_history.data.local.room.BookDatabase
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+
+
+
+    @Provides
+    @Singleton
+    fun provideBookDao(app: Application): BookDao {
+        return Room.databaseBuilder(
+            app,
+            BookDatabase::class.java,
+            "book_db"
+        ).build().dao
+    }
+}

app/src/main/java/com/acclorite/books_history/data/di/RepositoryModule.kt

@@ -0,0 +1,27 @@
+package com.acclorite.books_history.data.di
+
+import com.acclorite.books_history.data.local.data_store.DataStore
+import com.acclorite.books_history.data.local.data_store.DataStoreImpl
+import com.acclorite.books_history.data.repository.BookRepositoryImpl
+import com.acclorite.books_history.domain.repository.BookRepository
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class RepositoryModule {
+
+    @Binds
+    abstract fun bindDataStore(
+        dataStoreImpl: DataStoreImpl
+    ): DataStore
+
+    @Binds
+    @Singleton
+    abstract fun bindBookRepository(
+        bookRepositoryImpl: BookRepositoryImpl
+    ): BookRepository
+}

app/src/main/java/com/acclorite/books_history/data/di/UseCaseModule.kt

@@ -0,0 +1,19 @@
+package com.acclorite.books_history.data.di
+
+import com.acclorite.books_history.data.use_case.ChangeLanguageImpl
+import com.acclorite.books_history.domain.use_case.ChangeLanguage
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class UseCaseModule {
+
+    @Binds
+    abstract fun bindChangeLanguage(
+        changeLanguageImpl: ChangeLanguageImpl
+    ): ChangeLanguage
+}

app/src/main/java/com/acclorite/books_history/data/local/data_store/DataStore.kt

@@ -0,0 +1,9 @@
+package com.acclorite.books_history.data.local.data_store
+
+import androidx.datastore.preferences.core.Preferences
+import kotlinx.coroutines.flow.Flow
+
+interface DataStore {
+    suspend fun <T> getData (key: Preferences.Key<T>, defaultValue: T): Flow<T>
+    suspend fun <T> putData (key: Preferences.Key<T>, value: T)
+}

app/src/main/java/com/acclorite/books_history/data/local/data_store/DataStoreImpl.kt

@@ -0,0 +1,37 @@
+package com.acclorite.books_history.data.local.data_store
+
+import android.app.Application
+import android.content.Context
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.emptyPreferences
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.map
+import java.io.IOException
+import javax.inject.Inject
+
+private val Context.dataStore by preferencesDataStore("data_store")
+
+class DataStoreImpl @Inject constructor(context: Application): DataStore {
+    private val dataStore = context.dataStore
+
+    override suspend fun <T> getData(key: Preferences.Key<T>, defaultValue: T): Flow<T> =
+        dataStore.data.catch { exception ->
+            if (exception is IOException){
+                emit(emptyPreferences())
+            } else{
+                throw exception
+            }
+        }.map { preferences ->
+            val result = preferences[key]?: defaultValue
+            result
+        }
+
+    override suspend fun <T> putData(key: Preferences.Key<T>, value: T) {
+        dataStore.edit { preferences ->
+            preferences[key] = value
+        }
+    }
+}

app/src/main/java/com/acclorite/books_history/data/local/dto/BookEntity.kt

@@ -0,0 +1,29 @@
+package com.acclorite.books_history.data.local.dto
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.acclorite.books_history.domain.model.Category
+
+@Entity
+data class BookEntity(
+    @PrimaryKey(true) val id: Int? = null,
+    val title: String,
+    val filePath: String,
+    val progress: Float,
+    var lastOpened: Long? = null,
+    val image: ByteArray = byteArrayOf(),
+    val category: Category
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as BookEntity
+
+        return image.contentEquals(other.image)
+    }
+
+    override fun hashCode(): Int {
+        return image.contentHashCode()
+    }
+}

app/src/main/java/com/acclorite/books_history/data/local/room/BookDao.kt

@@ -0,0 +1,33 @@
+package com.acclorite.books_history.data.local.room
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.Update
+import com.acclorite.books_history.data.local.dto.BookEntity
+
+@Dao
+interface BookDao {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertBooks(
+        books: List<BookEntity>
+    )
+
+    @Query(
+        """
+        SELECT *
+        FROM bookentity
+        WHERE LOWER(title) LIKE '%' || LOWER(:query) || '%'
+    """
+    )
+    suspend fun searchBooks(query: String): List<BookEntity>
+
+    @Delete
+    suspend fun deleteBooks(books: List<BookEntity>)
+
+    @Update
+    suspend fun updateBooks(books: List<BookEntity>)
+}

app/src/main/java/com/acclorite/books_history/data/local/room/BookDatabase.kt

@@ -0,0 +1,14 @@
+package com.acclorite.books_history.data.local.room
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.acclorite.books_history.data.local.dto.BookEntity
+
+@Database(
+    entities = [BookEntity::class],
+    version = 1,
+    exportSchema = false
+)
+abstract class BookDatabase : RoomDatabase() {
+    abstract val dao: BookDao
+}

app/src/main/java/com/acclorite/books_history/data/mapper/BookMapper.kt

@@ -0,0 +1,10 @@
+package com.acclorite.books_history.data.mapper
+
+import com.acclorite.books_history.data.local.dto.BookEntity
+import com.acclorite.books_history.domain.model.Book
+
+interface BookMapper {
+    fun Book.toBookEntity(): BookEntity
+
+    fun BookEntity.toBook(): Book
+}

app/src/main/java/com/acclorite/books_history/data/mapper/BookMapperImpl.kt

@@ -0,0 +1,15 @@
+package com.acclorite.books_history.data.mapper
+
+import com.acclorite.books_history.data.local.dto.BookEntity
+import com.acclorite.books_history.domain.model.Book
+import javax.inject.Inject
+
+class BookMapperImpl @Inject constructor(): BookMapper {
+    override fun Book.toBookEntity(): BookEntity {
+        TODO("Not yet implemented")
+    }
+
+    override fun BookEntity.toBook(): Book {
+        TODO("Not yet implemented")
+    }
+}

app/src/main/java/com/acclorite/books_history/data/repository/BookRepositoryImpl.kt

@@ -0,0 +1,46 @@
+package com.acclorite.books_history.data.repository
+
+import androidx.datastore.preferences.core.Preferences
+import com.acclorite.books_history.data.local.data_store.DataStore
+import com.acclorite.books_history.data.local.room.BookDao
+import com.acclorite.books_history.data.mapper.toBookEntity
+import com.acclorite.books_history.domain.model.Book
+import com.acclorite.books_history.domain.repository.BookRepository
+import com.acclorite.books_history.util.Resource
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class BookRepositoryImpl @Inject constructor(
+    private val database: BookDao,
+    private val dataStore: DataStore
+): BookRepository {
+
+    override suspend fun getBooks(query: String): Flow<Resource<List<Book>>> {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun insertBooks(books: List<Book>) {
+        database.insertBooks(books.map { it.toBookEntity() })
+    }
+
+    override suspend fun updateBooks(books: List<Book>) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun deleteBooks(books: List<Book>) {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun <T> retrieveDataFromDataStore(
+        key: Preferences.Key<T>,
+        defaultValue: T
+    ): Flow<T> {
+        return dataStore.getData(key, defaultValue)
+    }
+
+    override suspend fun <T> putDataToDataStore(key: Preferences.Key<T>, value: T) {
+        dataStore.putData(key, value)
+    }
+}

app/src/main/java/com/acclorite/books_history/data/use_case/ChangeLanguageImpl.kt

@@ -0,0 +1,23 @@
+package com.acclorite.books_history.data.use_case
+
+import androidx.activity.ComponentActivity
+import com.acclorite.books_history.domain.use_case.ChangeLanguage
+import java.util.Locale
+import javax.inject.Inject
+
+class ChangeLanguageImpl @Inject constructor() : ChangeLanguage {
+    override fun execute(language: String, activity: ComponentActivity) {
+        val config = activity.resources.configuration
+        val resources = activity.resources
+        val locale = Locale(language)
+
+        Locale.setDefault(locale)
+        config.setLocale(locale)
+
+        activity.createConfigurationContext(config)
+        resources.updateConfiguration(
+            config,
+            resources.displayMetrics
+        )
+    }
+}

app/src/main/java/com/acclorite/books_history/domain/model/Book.kt

@@ -0,0 +1,17 @@
+package com.acclorite.books_history.domain.model
+
+import android.graphics.Bitmap
+import java.io.File
+
+data class Book(
+    val id: Int,
+    val title: String,
+    val author: String,
+    val description: String?,
+    val text: List<FormattedLine> = emptyList(),
+    val progress: Float,
+    val file: File?,
+    val lastOpened: Long?,
+    val category: Category,
+    val coverImage: Bitmap?
+)

app/src/main/java/com/acclorite/books_history/domain/model/Category.kt

@@ -0,0 +1,5 @@
+package com.acclorite.books_history.domain.model
+
+enum class Category {
+    READING, ALREADY_READ, PLANNING, DROPPED
+}

app/src/main/java/com/acclorite/books_history/domain/model/FormattedLine.kt

@@ -0,0 +1,15 @@
+package com.acclorite.books_history.domain.model
+
+import androidx.compose.runtime.Immutable
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.TextUnit
+import androidx.compose.ui.unit.sp
+import java.util.UUID
+
+@Immutable
+data class FormattedLine(
+    val line: String,
+    val style: TextStyle = TextStyle(),
+    val textSize: TextUnit = 0.sp,
+    val id: String = UUID.randomUUID().toString()
+)

app/src/main/java/com/acclorite/books_history/domain/repository/BookRepository.kt

@@ -0,0 +1,35 @@
+package com.acclorite.books_history.domain.repository
+
+import androidx.datastore.preferences.core.Preferences
+import com.acclorite.books_history.domain.model.Book
+import com.acclorite.books_history.util.Resource
+import kotlinx.coroutines.flow.Flow
+
+interface BookRepository {
+
+    suspend fun getBooks(
+        query: String
+    ): Flow<Resource<List<Book>>>
+
+    suspend fun insertBooks(
+        books: List<Book>
+    )
+
+    suspend fun updateBooks(
+        books: List<Book>
+    )
+
+    suspend fun deleteBooks(
+        books: List<Book>
+    )
+
+    suspend fun <T> retrieveDataFromDataStore(
+        key: Preferences.Key<T>,
+        defaultValue: T
+    ): Flow<T>
+
+    suspend fun <T> putDataToDataStore(
+        key: Preferences.Key<T>,
+        value: T
+    )
+}

app/src/main/java/com/acclorite/books_history/domain/use_case/ChangeLanguage.kt

@@ -0,0 +1,11 @@
+package com.acclorite.books_history.domain.use_case
+
+import androidx.activity.ComponentActivity
+import androidx.annotation.Size
+
+interface ChangeLanguage {
+    fun execute(
+        @Size(max = 2) language: String,
+        activity: ComponentActivity
+    )
+}

app/src/main/java/com/acclorite/books_history/presentation/MainViewModel.kt

@@ -0,0 +1,22 @@
+package com.acclorite.books_history.presentation
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import com.acclorite.books_history.domain.repository.BookRepository
+import com.acclorite.books_history.domain.use_case.ChangeLanguage
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
+
+/**
+ * Stores all variables such as theme, language etc
+ */
+@HiltViewModel
+class MainViewModel @Inject constructor(
+    private val stateHandle: SavedStateHandle,
+    private val repository: BookRepository,
+
+    private val changeLanguage: ChangeLanguage
+) : ViewModel() {
+
+
+}

app/src/main/java/com/acclorite/books_history/presentation/Navigation.kt

@@ -0,0 +1,208 @@
+package com.acclorite.books_history.presentation
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.BackHandler
+import androidx.activity.viewModels
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.ExitTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.lifecycle.AbstractSavedStateViewModelFactory
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.createSavedStateHandle
+import androidx.lifecycle.viewModelScope
+import androidx.savedstate.SavedStateRegistryOwner
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import dagger.hilt.android.lifecycle.HiltViewModel
+import dagger.hilt.android.lifecycle.withCreationCallback
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+
+private const val CURRENT_SCREEN = "current_screen"
+private const val BACKSTACK = "back_stack"
+
+/**
+ * All screens are listed here, later each screen will be passed as a param for [Navigator.composable] function.
+ */
+enum class Screen {
+    LIBRARY,
+    HISTORY,
+    BROWSE,
+
+
+}
+
+data class Argument(
+    val key: String,
+    val arg: Any?
+)
+
+
+/**
+ * Navigator. Using for navigation between screens.
+ *
+ * [Navigator.currentScreen] param represents current [Screen].
+ * [Navigator.navigate] navigates to [Screen] passed as param.
+ */
+@HiltViewModel(assistedFactory = Navigator.Factory::class)
+class Navigator @AssistedInject constructor(
+    private val savedStateHandle: SavedStateHandle,
+    @Assisted startScreen: Screen
+) : ViewModel() {
+
+    private val currentScreen = savedStateHandle.getStateFlow(CURRENT_SCREEN, startScreen)
+    private val backStack = savedStateHandle.getStateFlow(BACKSTACK, mutableListOf<Screen>())
+    private val arguments = mutableStateListOf<Argument>()
+
+    private fun putArgument(argument: Argument) {
+        var found = false
+
+        for ((index, arg) in arguments.withIndex()) {
+            if (arg.key == argument.key) {
+                arguments[index] = argument
+                found = true
+                break
+            }
+        }
+
+        if (!found) {
+            arguments.add(argument)
+        }
+    }
+
+    fun retrieveArgument(key: String): Any? {
+        for (arg in arguments) {
+            if (arg.key == key) {
+                return arg.arg
+            }
+        }
+        return null
+    }
+
+    fun navigate(screen: Screen, vararg args: Argument) =
+        viewModelScope.launch(Dispatchers.Default) {
+            backStack.value.add(currentScreen.value)
+
+            args.forEach {
+                putArgument(it)
+            }
+
+            savedStateHandle[CURRENT_SCREEN] = screen
+        }
+
+    fun navigateBack() = viewModelScope.launch(Dispatchers.Default) {
+        if (canGoBack()) {
+            savedStateHandle[CURRENT_SCREEN] = backStack.value.last()
+            backStack.value.removeLast()
+        }
+    }
+
+    fun canGoBack(): Boolean {
+        return backStack.value.isNotEmpty()
+    }
+
+    fun clearBackStack() {
+        backStack.value.clear()
+    }
+
+    fun getCurrentScreen(): StateFlow<Screen> {
+        return currentScreen
+    }
+
+    fun init(startScreen: Screen) {
+        savedStateHandle[CURRENT_SCREEN] = startScreen
+    }
+
+    /**
+     * Animated Screen. Using in [NavigationHost]. Be sure to not use the same [screen] parameter twice, it'll override the highest one in your code.
+     *
+     * @param screen The [Screen] that represents [content].
+     * @param enterAnim Enter Animation.
+     * @param exitAnim Exit Animation.
+     * @param content The Screen content to show when [Navigator.currentScreen] equals [screen].
+     */
+    @SuppressLint("ComposableNaming")
+    @Composable
+    fun composable(
+        screen: Screen,
+        enterAnim: EnterTransition = fadeIn(tween(300)),
+        exitAnim: ExitTransition = fadeOut(tween(300)),
+        content: @Composable () -> Unit
+    ) {
+        AnimatedVisibility(
+            visible = getCurrentScreen().collectAsState().value == screen,
+            enter = enterAnim,
+            exit = exitAnim,
+            label = screen.toString()
+        ) {
+            content()
+        }
+    }
+
+
+    @AssistedFactory
+    interface Factory {
+        fun create(startScreen: Screen): Navigator
+    }
+}
+
+/**
+ * Navigation Host. Contains [Navigator.composable]s in [content].
+ *
+ * @param startScreen Start Screen. Be sure to pass [Screen] that uses in one of your [Navigator.composable]s.
+ * @param colorBetweenAnimations The color, that using between animations, recommended to set this to background or navigation bar color.
+ * @param content Content of the [NavigationHost]. Highly recommended to use [Navigator.composable].
+ */
+
+@Composable
+fun NavigationHost(
+    startScreen: Screen,
+    activity: ComponentActivity,
+    colorBetweenAnimations: Color = MaterialTheme.colorScheme.surface,
+    content: @Composable Navigator.() -> Unit
+) {
+    activity.apply {
+        val navigator by viewModels<Navigator>(
+            extrasProducer = {
+                defaultViewModelCreationExtras.withCreationCallback<Navigator.Factory> { factory ->
+                    factory.create(startScreen)
+                }
+            }
+        )
+
+        BackHandler {
+            if (navigator.canGoBack()) {
+                navigator.navigateBack()
+            } else {
+                activity.finishAffinity()
+            }
+        }
+
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(colorBetweenAnimations)
+        )
+
+        content(navigator)
+    }
+}

app/src/main/java/com/acclorite/books_history/util/BookApplication.kt

@@ -0,0 +1,7 @@
+package com.acclorite.books_history.util
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class BookApplication : Application()

app/src/main/java/com/acclorite/books_history/util/Constants.kt

@@ -0,0 +1,5 @@
+package com.acclorite.books_history.util
+
+object Constants {
+
+}

app/src/main/java/com/acclorite/books_history/util/DataStoreConstants.kt

@@ -0,0 +1,19 @@
+package com.acclorite.books_history.util
+
+import androidx.datastore.preferences.core.stringPreferencesKey
+
+object DataStoreConstants {
+    val LANGUAGE = stringPreferencesKey("language")
+    val THEME = stringPreferencesKey("theme")
+    val DARK_THEME = stringPreferencesKey("dark_theme")
+    val GUIDE = stringPreferencesKey("guide")
+
+    val BACKGROUND_COLOR = stringPreferencesKey("background_color")
+    val FONT_COLOR = stringPreferencesKey("font_color")
+    val FONT = stringPreferencesKey("font")
+    val FONT_STYLE = stringPreferencesKey("font_style")
+    val FONT_SIZE = stringPreferencesKey("font_size")
+    val LINE_HEIGHT = stringPreferencesKey("line_height")
+    val PARAGRAPH_HEIGHT = stringPreferencesKey("paragraph_height")
+    val PARAGRAPH_INDENTATION = stringPreferencesKey("paragraph_indentation")
+}

app/src/main/java/com/acclorite/books_history/util/Resource.kt

@@ -0,0 +1,7 @@
+package com.acclorite.books_history.util
+
+sealed class Resource <T>(val data: T? = null, val message: String? = null) {
+    class Success<T>(data: T?): Resource<T>(data)
+    class Error<T>(message: String, data: T? = null): Resource<T>(data, message)
+    class Loading<T>(val isLoading: Boolean = true): Resource<T>()
+}

app/src/main/java/com/acclorite/books_history/util/UIText.kt

@@ -0,0 +1,26 @@
+package com.acclorite.books_history.util
+
+import android.content.Context
+import androidx.annotation.StringRes
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+
+sealed class UIText {
+    data class StringValue(val value: String): UIText()
+    class StringResource(@StringRes val resId: Int, vararg val args: Any): UIText()
+
+    @Composable
+    fun asString(): String {
+        return when(this) {
+            is StringValue -> value
+            is StringResource -> stringResource(resId, *args)
+        }
+    }
+
+    fun asString(context: Context): String {
+        return when(this) {
+            is StringValue -> value
+            is StringResource -> context.getString(resId, *args)
+        }
+    }
+}

app/src/main/res/values-uk/strings.xml

@@ -1,6 +1,5 @@
 <resources>
     <!-- Basic Strings -->
-    <string name="app_name">Воскресіння Історії Книги</string>
-
+    <string name="app_name">Історія Книги: Воскресіння</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -1,7 +1,7 @@
 <resources>
     <!-- Basic Strings -->
     <string name="app_version" translatable="false">0.0.1</string>
-    <string name="app_name">Book\'s History Resurrection</string>
+    <string name="app_name">Book\'s History: Resurrection</string>
 
 
 </resources>

build.gradle.kts

@@ -3,10 +3,5 @@ plugins {
     id("com.android.application") version "8.2.0-rc03" apply false
     id("org.jetbrains.kotlin.android") version "1.9.21" apply false
     id("com.google.devtools.ksp") version "1.9.21-1.0.16" apply false
-}
-
-buildscript {
-    dependencies {
-        classpath ("com.google.dagger:hilt-android-gradle-plugin:latest.release")
-    }
+    id("com.google.dagger.hilt.android") version "2.50" apply false
 }