init

2024-12-13 10:07:45 +01:00
parent 26299b6270
commit de1b0cd1b8
42 changed files with 1740 additions and 0 deletions
@@ -0,0 +1 @@
+/build
@@ -0,0 +1,90 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    id("com.google.devtools.ksp") version "1.9.22-1.0.17"
+}
+
+android {
+    namespace = "inhale.rip.epook"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "inhale.rip.epook"
+        minSdk = 26
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = libs.versions.composeCompiler.get()
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
+    
+    // For image loading
+    implementation("io.coil-kt:coil-compose:2.6.0")
+    
+    // Navigation
+    implementation("androidx.navigation:navigation-compose:2.7.7")
+    
+    // DataStore for simple persistence
+    implementation("androidx.datastore:datastore-preferences:1.0.0")
+    
+    // EPUB handling
+    implementation("com.positiondev.epublib:epublib-core:3.1") {
+        exclude(group = "org.slf4j", module = "slf4j-simple")
+        exclude(group = "xmlpull", module = "xmlpull")
+    }
+    implementation("org.slf4j:slf4j-android:1.7.36")
+    implementation("org.jsoup:jsoup:1.15.3")
+    implementation("net.sf.kxml:kxml2:2.3.0")
+    
+    // Add material icons extended for the settings icon
+    implementation("androidx.compose.material:material-icons-extended:1.6.1")
+    
+    // Add Room dependencies
+    val roomVersion = "2.6.1"
+    implementation("androidx.room:room-runtime:$roomVersion")
+    implementation("androidx.room:room-ktx:$roomVersion")
+    ksp("androidx.room:room-compiler:$roomVersion")
+}
@@ -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
@@ -0,0 +1,24 @@
+package inhale.rip.epook
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("inhale.rip.epook", appContext.packageName)
+    }
+}
@@ -0,0 +1,33 @@
+<?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.READ_EXTERNAL_STORAGE" 
+        android:maxSdkVersion="32" />
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Epook"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Epook">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
@@ -0,0 +1,255 @@
+package inhale.rip.epook
+
+import android.net.Uri
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import coil.compose.AsyncImage
+import inhale.rip.epook.data.Book
+import inhale.rip.epook.ui.theme.EpookTheme
+import nl.siegmann.epublib.epub.EpubReader
+import java.io.File
+import java.io.FileOutputStream
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import inhale.rip.epook.data.BookStore
+import kotlinx.coroutines.launch
+import androidx.navigation.NavType
+import androidx.navigation.navArgument
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.combinedClickable
+
+// Add settings route
+sealed class Screen(val route: String) {
+    object BookList : Screen("books")
+    object Reader : Screen("reader/{bookId}")
+    object Settings : Screen("settings")
+}
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            EpookTheme {
+                App()
+            }
+        }
+    }
+}
+
+@Composable
+fun App() {
+    val navController = rememberNavController()
+
+    NavHost(navController = navController, startDestination = Screen.BookList.route) {
+        composable(Screen.BookList.route) {
+            BookshelfScreen(
+                onBookClick = { bookId ->
+                    navController.navigate("reader/$bookId")
+                }
+            )
+        }
+        composable(
+            route = "reader/{bookId}",
+            arguments = listOf(navArgument("bookId") { type = NavType.StringType })
+        ) { backStackEntry ->
+            ReaderScreen(
+                bookId = backStackEntry.arguments?.getString("bookId") ?: "",
+                onNavigateBack = { navController.navigateUp() },
+                onOpenSettings = { navController.navigate(Screen.Settings.route) }
+            )
+        }
+        composable(Screen.Settings.route) {
+            SettingsScreen(
+                onNavigateBack = { navController.navigateUp() }
+            )
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
+@Composable
+fun BookshelfScreen(onBookClick: (String) -> Unit) {
+    val context = LocalContext.current
+    val bookStore = remember { BookStore(context) }
+    val books by bookStore.getAllBooks().collectAsState(initial = emptyList())
+    val scope = rememberCoroutineScope()
+    
+    var showDeleteDialog by remember { mutableStateOf(false) }
+    var bookToDelete by remember { mutableStateOf<Book?>(null) }
+
+    val launcher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.GetContent()
+    ) { uri: Uri? ->
+        uri?.let { selectedUri ->
+            context.contentResolver.openInputStream(selectedUri)?.use { inputStream ->
+                try {
+                    val bookId = System.currentTimeMillis().toString()
+                    val epubFile = File(context.filesDir, "book_$bookId.epub")
+                    
+                    println("Saving book to: ${epubFile.absolutePath}")
+                    
+                    // Use buffered streams for better performance
+                    inputStream.buffered().use { bufferedInput ->
+                        FileOutputStream(epubFile).buffered().use { bufferedOutput ->
+                            bufferedInput.copyTo(bufferedOutput)
+                        }
+                    }
+                    
+                    println("Book file saved, size: ${epubFile.length()} bytes")
+
+                    // Verify the file exists and is readable
+                    if (!epubFile.exists() || !epubFile.canRead()) {
+                        println("Error: File not accessible after saving")
+                        return@use
+                    }
+
+                    // Test reading the EPUB
+                    epubFile.inputStream().buffered().use { fileInput ->
+                        val epubReader = EpubReader()
+                        val book = epubReader.readEpub(fileInput)
+                        println("Book loaded for verification: ${book.title}")
+                        println("Number of spine refs: ${book.spine.spineReferences.size}")
+                        
+                        // Extract and save cover image if it exists
+                        val coverFile = book.coverImage?.let { coverImage ->
+                            File(context.filesDir, "cover_$bookId.jpg").also { file ->
+                                FileOutputStream(file).buffered().use { output ->
+                                    output.write(coverImage.data)
+                                }
+                            }
+                        }
+
+                        // Add the book to the store
+                        scope.launch {
+                            bookStore.addBook(Book(
+                                id = bookId,
+                                title = book.title ?: "Unknown Title",
+                                coverImageFile = coverFile,
+                                filePath = epubFile.absolutePath
+                            ))
+                        }
+                    }
+                } catch (e: Exception) {
+                    println("Error saving book: ${e.message}")
+                    e.printStackTrace()
+                }
+            }
+        }
+    }
+
+    if (showDeleteDialog && bookToDelete != null) {
+        AlertDialog(
+            onDismissRequest = { showDeleteDialog = false },
+            title = { Text("Delete Book") },
+            text = { Text("Are you sure you want to delete '${bookToDelete?.title}'?") },
+            confirmButton = {
+                TextButton(onClick = {
+                    scope.launch {
+                        bookToDelete?.let { bookStore.deleteBook(it.id) }
+                    }
+                    showDeleteDialog = false
+                    bookToDelete = null
+                }) {
+                    Text("Delete")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = {
+                    showDeleteDialog = false
+                    bookToDelete = null
+                }) {
+                    Text("Cancel")
+                }
+            }
+        )
+    }
+
+    Scaffold(
+        floatingActionButton = {
+            FloatingActionButton(onClick = { launcher.launch("application/epub+zip") }) {
+                Icon(Icons.Default.Add, contentDescription = "Add book")
+            }
+        }
+    ) { padding ->
+        LazyVerticalGrid(
+            columns = GridCells.Adaptive(minSize = 128.dp),
+            contentPadding = padding,
+            modifier = Modifier.fillMaxSize()
+        ) {
+            items(books) { book ->
+                Card(
+                    modifier = Modifier
+                        .padding(8.dp)
+                        .combinedClickable(
+                            onClick = { onBookClick(book.id) },
+                            onLongClick = {
+                                bookToDelete = book
+                                showDeleteDialog = true
+                            }
+                        )
+                ) {
+                    Column {
+                        AsyncImage(
+                            model = book.coverImageFile ?: R.drawable.ic_launcher_background,
+                            contentDescription = book.title,
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .aspectRatio(0.7f),
+                            contentScale = ContentScale.Crop
+                        )
+                        Text(
+                            text = book.title,
+                            modifier = Modifier.padding(8.dp),
+                            style = MaterialTheme.typography.bodyMedium
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun BookCover(book: Book, onClick: () -> Unit) {
+    Card(
+        modifier = Modifier
+            .padding(8.dp)
+            .clickable(onClick = onClick)
+    ) {
+        Column {
+            AsyncImage(
+                model = book.coverImageFile ?: R.drawable.ic_launcher_background,
+                contentDescription = book.title,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .aspectRatio(0.7f),
+                contentScale = ContentScale.Crop
+            )
+            Text(
+                text = book.title,
+                modifier = Modifier.padding(8.dp),
+                style = MaterialTheme.typography.bodyMedium
+            )
+        }
+    }
+}
@@ -0,0 +1,291 @@
+package inhale.rip.epook
+
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Settings
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.rotate
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import kotlinx.coroutines.launch
+import nl.siegmann.epublib.domain.Book
+import nl.siegmann.epublib.epub.EpubReader
+import org.jsoup.Jsoup
+import java.io.File
+import inhale.rip.epook.data.SettingsStore
+import inhale.rip.epook.data.BookStore
+import androidx.compose.foundation.gestures.detectDragGestures
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ReaderScreen(
+    bookId: String,
+    onNavigateBack: () -> Unit,
+    onOpenSettings: () -> Unit
+) {
+    var book by remember { mutableStateOf<Book?>(null) }
+    var currentHtml by remember { mutableStateOf<String?>(null) }
+    var errorMessage by remember { mutableStateOf<String?>(null) }
+    var currentPageIndex by remember { mutableStateOf(0) }
+    var totalPages by remember { mutableStateOf(0) }
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
+    val settingsStore = remember(context) { SettingsStore(context) }
+    val fontFamily by settingsStore.fontFamily.collectAsState(initial = "Georgia")
+    val fontSize by settingsStore.fontSize.collectAsState(initial = 16)
+    val lineHeight by settingsStore.lineHeight.collectAsState(initial = 1.6f)
+    val bookStore = remember { BookStore(context) }
+    val savedPosition by bookStore.getReadingPosition(bookId).collectAsState(initial = 0)
+
+    // Function to load content for a specific page
+    fun loadPage(pageIndex: Int) {
+        scope.launch {
+            try {
+                book?.spine?.spineReferences?.getOrNull(pageIndex)?.let { ref ->
+                    val resource = ref.resource
+                    val html = String(resource.data, Charsets.UTF_8)
+                    val doc = Jsoup.parse(html)
+                    
+                    // Remove unnecessary elements but keep styling
+                    doc.select("script").remove()
+                    
+                    // Add custom CSS for better reading experience
+                    val style = doc.head().appendElement("style")
+                    style.appendText("""
+                        body {
+                            font-family: '$fontFamily', serif;
+                            font-size: ${fontSize}px;
+                            line-height: $lineHeight;
+                            padding: 20px;
+                            max-width: 800px;
+                            margin: 0 auto;
+                            color: #333;
+                            background-color: #f8f8f8;
+                        }
+                        p {
+                            margin: 1em 0;
+                            text-align: justify;
+                        }
+                        h1, h2, h3, h4, h5, h6 {
+                            color: #2c3e50;
+                            margin: 1.5em 0 0.5em;
+                        }
+                        img {
+                            max-width: 100%;
+                            height: auto;
+                            display: block;
+                            margin: 1em auto;
+                        }
+                        @media (prefers-color-scheme: dark) {
+                            body {
+                                background-color: #1a1a1a;
+                                color: #e0e0e0;
+                            }
+                            h1, h2, h3, h4, h5, h6 {
+                                color: #b0b0b0;
+                            }
+                        }
+                    """.trimIndent())
+                    
+                    currentHtml = doc.outerHtml()
+                    println("Loaded page $pageIndex")
+                    
+                    // Save the position whenever we load a new page
+                    bookStore.updateReadingPosition(bookId, pageIndex)
+                    
+                } ?: run {
+                    errorMessage = "Page not found"
+                }
+            } catch (e: Exception) {
+                println("Error loading page: ${e.message}")
+                errorMessage = "Error loading page: ${e.message}"
+            }
+        }
+    }
+
+    LaunchedEffect(bookId) {
+        scope.launch {
+            try {
+                val bookFile = File(context.filesDir, "book_$bookId.epub")
+                if (!bookFile.exists()) {
+                    errorMessage = "Book file not found"
+                    return@launch
+                }
+
+                bookFile.inputStream().buffered().use { inputStream ->
+                    val epubReader = EpubReader()
+                    book = epubReader.readEpub(inputStream)
+                    totalPages = book?.spine?.spineReferences?.size ?: 0
+                    println("Book loaded: ${book?.title}, total pages: $totalPages")
+                    
+                    // Use saved position instead of always starting at the beginning
+                    currentPageIndex = savedPosition
+                    loadPage(currentPageIndex)
+                }
+            } catch (e: Exception) {
+                errorMessage = "Error loading book: ${e.message}"
+            }
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(book?.title ?: "Loading...") },
+                navigationIcon = {
+                    IconButton(onClick = onNavigateBack) {
+                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                actions = {
+                    IconButton(onClick = onOpenSettings) {
+                        Icon(Icons.Default.Settings, contentDescription = "Settings")
+                    }
+                }
+            )
+        }
+    ) { padding ->
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            when {
+                errorMessage != null -> {
+                    Column(
+                        modifier = Modifier
+                            .align(Alignment.Center)
+                            .padding(16.dp),
+                        horizontalAlignment = Alignment.CenterHorizontally
+                    ) {
+                        Icon(
+                            imageVector = Icons.Default.ArrowBack,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.error
+                        )
+                        Spacer(modifier = Modifier.height(8.dp))
+                        Text(
+                            text = errorMessage ?: "Unknown error",
+                            color = MaterialTheme.colorScheme.error
+                        )
+                    }
+                }
+                currentHtml == null -> {
+                    Column(
+                        modifier = Modifier.align(Alignment.Center),
+                        horizontalAlignment = Alignment.CenterHorizontally
+                    ) {
+                        CircularProgressIndicator()
+                        Spacer(modifier = Modifier.height(16.dp))
+                        Text("Loading book...")
+                    }
+                }
+                else -> {
+                    Column(
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .pointerInput(Unit) {
+                                detectDragGestures { change, dragAmount ->
+                                    change.consume()
+                                    val (x, _) = dragAmount
+                                    when {
+                                        x > 50 && currentPageIndex > 0 -> {
+                                            currentPageIndex--
+                                            loadPage(currentPageIndex)
+                                        }
+                                        x < -50 && currentPageIndex < totalPages - 1 -> {
+                                            currentPageIndex++
+                                            loadPage(currentPageIndex)
+                                        }
+                                    }
+                                }
+                            }
+                    ) {
+                        // WebView for rendering HTML content
+                        AndroidView(
+                            factory = { context ->
+                                WebView(context).apply {
+                                    settings.apply {
+                                        javaScriptEnabled = false
+                                        builtInZoomControls = true
+                                        displayZoomControls = false
+                                        useWideViewPort = true
+                                        loadWithOverviewMode = true
+                                    }
+                                    webViewClient = WebViewClient()
+                                    setBackgroundColor(android.graphics.Color.TRANSPARENT)
+                                }
+                            },
+                            modifier = Modifier.weight(1f),
+                            update = { webView ->
+                                webView.loadDataWithBaseURL(
+                                    null,
+                                    currentHtml ?: "",
+                                    "text/html",
+                                    "UTF-8",
+                                    null
+                                )
+                            }
+                        )
+                        
+                        // Navigation controls
+                        Row(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(vertical = 8.dp),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            IconButton(
+                                onClick = {
+                                    if (currentPageIndex > 0) {
+                                        currentPageIndex--
+                                        loadPage(currentPageIndex)
+                                    }
+                                },
+                                enabled = currentPageIndex > 0
+                            ) {
+                                Icon(
+                                    imageVector = Icons.Default.ArrowBack,
+                                    contentDescription = "Previous page"
+                                )
+                            }
+                            
+                            Text(
+                                text = "Page ${currentPageIndex + 1} of $totalPages",
+                                style = MaterialTheme.typography.bodySmall
+                            )
+                            
+                            IconButton(
+                                onClick = {
+                                    if (currentPageIndex < totalPages - 1) {
+                                        currentPageIndex++
+                                        loadPage(currentPageIndex)
+                                    }
+                                },
+                                enabled = currentPageIndex < totalPages - 1
+                            ) {
+                                Icon(
+                                    imageVector = Icons.Default.ArrowBack,
+                                    contentDescription = "Next page",
+                                    modifier = Modifier.rotate(180f)
+                                )
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+} 
@@ -0,0 +1,109 @@
+package inhale.rip.epook
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import inhale.rip.epook.data.SettingsStore
+import kotlinx.coroutines.launch
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsScreen(
+    onNavigateBack: () -> Unit
+) {
+    val context = LocalContext.current
+    val settingsStore = remember { SettingsStore(context) }
+    val scope = rememberCoroutineScope()
+    
+    val fontFamily by settingsStore.fontFamily.collectAsState(initial = "Georgia")
+    val fontSize by settingsStore.fontSize.collectAsState(initial = 16)
+    val lineHeight by settingsStore.lineHeight.collectAsState(initial = 1.6f)
+
+    val fontFamilies = listOf("Georgia", "Roboto", "Times New Roman", "Arial", "Verdana")
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Settings") },
+                navigationIcon = {
+                    IconButton(onClick = onNavigateBack) {
+                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                    }
+                }
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .padding(16.dp)
+        ) {
+            Text(
+                text = "Font Family",
+                style = MaterialTheme.typography.titleMedium
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+            
+            fontFamilies.forEach { font ->
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(vertical = 8.dp)
+                ) {
+                    RadioButton(
+                        selected = font == fontFamily,
+                        onClick = {
+                            scope.launch {
+                                settingsStore.updateFontFamily(font)
+                            }
+                        }
+                    )
+                    Text(
+                        text = font,
+                        modifier = Modifier.padding(start = 8.dp)
+                    )
+                }
+            }
+
+            Spacer(modifier = Modifier.height(16.dp))
+            
+            Text(
+                text = "Font Size: $fontSize",
+                style = MaterialTheme.typography.titleMedium
+            )
+            Slider(
+                value = fontSize.toFloat(),
+                onValueChange = { 
+                    scope.launch {
+                        settingsStore.updateFontSize(it.toInt())
+                    }
+                },
+                valueRange = 12f..24f,
+                steps = 11
+            )
+
+            Spacer(modifier = Modifier.height(16.dp))
+            
+            Text(
+                text = "Line Height: $lineHeight",
+                style = MaterialTheme.typography.titleMedium
+            )
+            Slider(
+                value = lineHeight,
+                onValueChange = { 
+                    scope.launch {
+                        settingsStore.updateLineHeight(it)
+                    }
+                },
+                valueRange = 1f..2f,
+                steps = 9
+            )
+        }
+    }
+} 
@@ -0,0 +1,10 @@
+package inhale.rip.epook.data
+
+import java.io.File
+
+data class Book(
+    val id: String,
+    val title: String,
+    val coverImageFile: File? = null,
+    val filePath: String
+) 
@@ -0,0 +1,113 @@
+package inhale.rip.epook.data
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.*
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import java.io.File
+
+private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "books")
+
+class BookStore(private val context: Context) {
+    private val bookIdsKey = stringSetPreferencesKey("book_ids")
+    private val bookDao = AppDatabase.getDatabase(context).bookDao()
+
+    fun getAllBooks(): Flow<List<Book>> = context.dataStore.data.map { preferences ->
+        preferences[bookIdsKey]?.mapNotNull { id ->
+            try {
+                val bookFile = File(context.filesDir, "book_$id.epub")
+                val coverFile = File(context.filesDir, "cover_$id.jpg")
+                if (bookFile.exists()) {
+                    Book(
+                        id = id,
+                        title = preferences[stringPreferencesKey("title_$id")] ?: "Unknown Title",
+                        coverImageFile = if (coverFile.exists()) coverFile else null,
+                        filePath = bookFile.absolutePath
+                    )
+                } else null
+            } catch (e: Exception) {
+                println("Error loading book $id: ${e.message}")
+                null
+            }
+        } ?: emptyList()
+    }
+
+    suspend fun addBook(book: Book) {
+        context.dataStore.edit { preferences ->
+            val currentIds = preferences[bookIdsKey]?.toMutableSet() ?: mutableSetOf()
+            currentIds.add(book.id)
+            preferences[bookIdsKey] = currentIds
+            preferences[stringPreferencesKey("title_${book.id}")] = book.title
+        }
+        // Also add to Room database
+        bookDao.insertBook(book.toEntity())
+    }
+
+    suspend fun updateReadingPosition(bookId: String, position: Int) {
+        bookDao.updateReadingPosition(bookId, position)
+    }
+
+    fun getReadingPosition(bookId: String): Flow<Int> {
+        return bookDao.getBookPosition(bookId)
+    }
+
+    suspend fun deleteBook(bookId: String) {
+        try {
+            // Debug logging at start
+            println("=== Starting book deletion process ===")
+            println("BookID: $bookId")
+            
+            // Delete the book files
+            val bookFile = File(context.filesDir, "book_$bookId.epub")
+            val coverFile = File(context.filesDir, "cover_$bookId.jpg")
+            
+            println("Book file path: ${bookFile.absolutePath}")
+            println("Cover file path: ${coverFile.absolutePath}")
+            println("Book file exists: ${bookFile.exists()}")
+            println("Cover file exists: ${coverFile.exists()}")
+            
+            if (bookFile.exists()) {
+                val canWrite = bookFile.canWrite()
+                val deleted = bookFile.delete()
+                println("Book file writable: $canWrite")
+                println("Book file deleted: $deleted")
+            }
+            
+            if (coverFile.exists()) {
+                val canWrite = coverFile.canWrite()
+                val deleted = coverFile.delete()
+                println("Cover file writable: $canWrite")
+                println("Cover file deleted: $deleted")
+            }
+            
+            // Get current state before deletion
+            context.dataStore.data.collect { preferences ->
+                val currentIds = preferences[bookIdsKey]
+                println("Current book IDs before deletion: $currentIds")
+            }
+            
+            // Remove from preferences
+            context.dataStore.edit { preferences ->
+                val currentIds = preferences[bookIdsKey]?.toMutableSet() ?: mutableSetOf()
+                val removed = currentIds.remove(bookId)
+                preferences[bookIdsKey] = currentIds
+                
+                // Clean up related preferences
+                preferences.remove(stringPreferencesKey("title_$bookId"))
+                preferences.remove(stringPreferencesKey("position_$bookId"))
+                
+                println("Book ID removed from set: $removed")
+                println("Remaining book IDs: $currentIds")
+            }
+            
+            println("=== Book deletion process completed ===")
+        } catch (e: Exception) {
+            println("=== Error during book deletion ===")
+            println("Error message: ${e.message}")
+            println("Stack trace:")
+            e.printStackTrace()
+        }
+    }
+} 
@@ -0,0 +1,46 @@
+package inhale.rip.epook.data
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.*
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+private val Context.settingsDataStore: DataStore<Preferences> by preferencesDataStore(name = "settings")
+
+class SettingsStore(private val context: Context) {
+    private val fontFamilyKey = stringPreferencesKey("font_family")
+    private val fontSizeKey = intPreferencesKey("font_size")
+    private val lineHeightKey = floatPreferencesKey("line_height")
+
+    val fontFamily: Flow<String> = context.settingsDataStore.data.map { preferences ->
+        preferences[fontFamilyKey] ?: "Georgia"
+    }
+
+    val fontSize: Flow<Int> = context.settingsDataStore.data.map { preferences ->
+        preferences[fontSizeKey] ?: 16
+    }
+
+    val lineHeight: Flow<Float> = context.settingsDataStore.data.map { preferences ->
+        preferences[lineHeightKey] ?: 1.6f
+    }
+
+    suspend fun updateFontFamily(fontFamily: String) {
+        context.settingsDataStore.edit { preferences ->
+            preferences[fontFamilyKey] = fontFamily
+        }
+    }
+
+    suspend fun updateFontSize(size: Int) {
+        context.settingsDataStore.edit { preferences ->
+            preferences[fontSizeKey] = size
+        }
+    }
+
+    suspend fun updateLineHeight(height: Float) {
+        context.settingsDataStore.edit { preferences ->
+            preferences[lineHeightKey] = height
+        }
+    }
+} 
@@ -0,0 +1,11 @@
+package inhale.rip.epook.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)
@@ -0,0 +1,58 @@
+package inhale.rip.epook.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun EpookTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
@@ -0,0 +1,34 @@
+package inhale.rip.epook.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
+    )
+    */
+)
@@ -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>
@@ -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>
@@ -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>
@@ -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>
@@ -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>
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">epook</string>
+</resources>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.Epook" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
@@ -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>
@@ -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>
@@ -0,0 +1,17 @@
+package inhale.rip.epook
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * 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)
+    }
+}