Removed all ObjectBox code from every variant except the Play Store version.

app/build.gradle.kts

@@ -1,4 +1,3 @@
-import com.android.build.gradle.internal.tasks.factory.dependsOn
 import com.slack.keeper.optInToKeeper
 import org.w3c.dom.Element
 import plugin.KiwixConfigurationPlugin

app/src/androidTest/java/org/kiwix/kiwixmobile/ObjectBoxToLibkiwixMigratorTest.kt

@@ -40,8 +40,6 @@ import org.junit.jupiter.api.Assertions.assertNotNull
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.kiwix.kiwixmobile.core.CoreApp
 import org.kiwix.kiwixmobile.core.dao.entities.BookOnDiskEntity
-import org.kiwix.kiwixmobile.core.dao.entities.BookmarkEntity
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToLibkiwixMigrator
 import org.kiwix.kiwixmobile.core.di.modules.DatabaseModule
 import org.kiwix.kiwixmobile.core.entity.LibkiwixBook
 import org.kiwix.kiwixmobile.core.page.bookmark.adapter.LibkiwixBookmarkItem

app/src/androidTest/java/org/kiwix/kiwixmobile/ObjectBoxToRoomMigratorTest.kt

@@ -47,7 +47,6 @@ import org.kiwix.kiwixmobile.core.dao.entities.HistoryEntity
 import org.kiwix.kiwixmobile.core.dao.entities.NotesEntity
 import org.kiwix.kiwixmobile.core.dao.entities.RecentSearchEntity
 import org.kiwix.kiwixmobile.core.data.KiwixRoomDatabase
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToRoomMigrator
 import org.kiwix.kiwixmobile.core.di.modules.DatabaseModule
 import org.kiwix.kiwixmobile.core.page.notes.adapter.NoteListItem
 import org.kiwix.kiwixmobile.core.utils.LanguageUtils

app/src/androidTest/java/org/kiwix/kiwixmobile/core/di/components/TestComponent.kt

@@ -26,6 +26,7 @@ import org.kiwix.kiwixmobile.core.data.DataModule
 import org.kiwix.kiwixmobile.core.di.modules.ApplicationModule
 import org.kiwix.kiwixmobile.core.di.modules.CoreViewModelModule
 import org.kiwix.kiwixmobile.core.di.modules.JNIModule
+import org.kiwix.kiwixmobile.core.di.modules.MigrationModule
 import org.kiwix.kiwixmobile.core.di.modules.MutexModule
 import org.kiwix.kiwixmobile.core.di.modules.SearchModule
 import org.kiwix.kiwixmobile.core.di.modules.TestNetworkModule
@@ -44,7 +45,8 @@ import javax.inject.Singleton
     DataModule::class,
     CoreViewModelModule::class,
     SearchModule::class,
-    MutexModule::class
+    MutexModule::class,
+    MigrationModule::class
   ]
 )
 interface TestComponent : CoreComponent {

core/build.gradle.kts

@@ -6,16 +6,11 @@ buildscript {
     mavenCentral()
     maven { setUrl("https://jitpack.io") }
   }
-
-  dependencies {
-    classpath(Libs.objectbox_gradle_plugin)
-  }
 }
 plugins {
   `android-library`
 }
 plugins.apply(KiwixConfigurationPlugin::class)
-apply(plugin = "io.objectbox")
 
 android {
   defaultConfig {
@@ -62,7 +57,6 @@ dependencies {
   debugImplementation(Libs.leakcanary_android)
 
   implementation(Libs.android_arch_lifecycle_extensions)
-  implementation(Libs.objectbox_kotlin)
   implementation(Libs.webkit)
   testImplementation(Libs.kotlinx_coroutines_test)
   implementation(Libs.kotlinx_coroutines_android)

core/src/main/java/org/kiwix/kiwixmobile/core/dao/entities/LanguageEntity.kt

@@ -1,54 +0,0 @@
-/*
- * Kiwix Android
- * Copyright (c) 2019 Kiwix <android.kiwix.org>
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-package org.kiwix.kiwixmobile.core.dao.entities
-
-import io.objectbox.annotation.Convert
-import io.objectbox.annotation.Entity
-import io.objectbox.annotation.Id
-import io.objectbox.converter.PropertyConverter
-import org.kiwix.kiwixmobile.core.compat.CompatHelper.Companion.convertToLocal
-import org.kiwix.kiwixmobile.core.zim_manager.Language
-import java.util.Locale
-
-@Entity
-data class LanguageEntity(
-  @Id var id: Long = 0,
-  @Convert(converter = StringToLocaleConverter::class, dbType = String::class)
-  val locale: Locale = Locale.ENGLISH,
-  val active: Boolean = false,
-  val occurencesOfLanguage: Int = 0
-) {
-  constructor(language: Language) : this(
-    0,
-    language.languageCode.convertToLocal(),
-    language.active,
-    language.occurencesOfLanguage
-  )
-
-  fun toLanguageModel() =
-    Language(locale, active, occurencesOfLanguage, id)
-}
-
-class StringToLocaleConverter : PropertyConverter<Locale, String> {
-  override fun convertToDatabaseValue(entityProperty: Locale?): String =
-    entityProperty?.isO3Language ?: Locale.ENGLISH.isO3Language
-
-  override fun convertToEntityProperty(databaseValue: String?): Locale =
-    databaseValue?.convertToLocal() ?: Locale.ENGLISH
-}

core/src/main/java/org/kiwix/kiwixmobile/core/data/ObjectBoxDataMigrationHandler.kt

@@ -0,0 +1,23 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.core.data
+
+interface ObjectBoxDataMigrationHandler {
+  suspend fun migrate()
+}

core/src/main/java/org/kiwix/kiwixmobile/core/di/components/CoreComponent.kt

@@ -37,11 +37,10 @@ import org.kiwix.kiwixmobile.core.dao.WebViewHistoryRoomDao
 import org.kiwix.kiwixmobile.core.data.DataModule
 import org.kiwix.kiwixmobile.core.data.DataSource
 import org.kiwix.kiwixmobile.core.data.remote.KiwixService
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToLibkiwixMigrator
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToRoomMigrator
 import org.kiwix.kiwixmobile.core.di.modules.ApplicationModule
 import org.kiwix.kiwixmobile.core.di.modules.CoreViewModelModule
 import org.kiwix.kiwixmobile.core.di.modules.JNIModule
+import org.kiwix.kiwixmobile.core.di.modules.MigrationModule
 import org.kiwix.kiwixmobile.core.di.modules.MutexModule
 import org.kiwix.kiwixmobile.core.di.modules.NetworkModule
 import org.kiwix.kiwixmobile.core.di.modules.SearchModule
@@ -65,7 +64,8 @@ import javax.inject.Singleton
     DataModule::class,
     CoreViewModelModule::class,
     SearchModule::class,
-    MutexModule::class
+    MutexModule::class,
+    MigrationModule::class
   ]
 )
 interface CoreComponent {
@@ -88,14 +88,12 @@ interface CoreComponent {
   fun dataSource(): DataSource
   fun downloadRoomDao(): DownloadRoomDao
   fun connectivityManager(): ConnectivityManager
-  fun objectBoxToLibkiwixMigrator(): ObjectBoxToLibkiwixMigrator
   fun libkiwixBookmarks(): LibkiwixBookmarks
   fun libkiwixBooks(): LibkiwixBookOnDisk
   fun recentSearchRoomDao(): RecentSearchRoomDao
   fun historyRoomDao(): HistoryRoomDao
   fun webViewHistoryRoomDao(): WebViewHistoryRoomDao
   fun noteRoomDao(): NotesRoomDao
-  fun objectBoxToRoomMigrator(): ObjectBoxToRoomMigrator
   fun context(): Context
   fun downloader(): Downloader
   fun notificationManager(): NotificationManager
@@ -107,7 +105,5 @@ interface CoreComponent {
   fun inject(kiwixWebView: KiwixWebView)
 
   fun inject(errorActivity: ErrorActivity)
-  fun inject(objectBoxToLibkiwixMigrator: ObjectBoxToLibkiwixMigrator)
-  fun inject(objectBoxToRoomMigrator: ObjectBoxToRoomMigrator)
   fun coreServiceComponent(): CoreServiceComponent.Builder
 }

core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/ApplicationModule.kt

@@ -25,8 +25,6 @@ import android.os.storage.StorageManager
 import dagger.Module
 import dagger.Provides
 import org.kiwix.kiwixmobile.core.DarkModeConfig
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToLibkiwixMigrator
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToRoomMigrator
 import org.kiwix.kiwixmobile.core.downloader.DownloadMonitor
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadManagerMonitor
 import org.kiwix.kiwixmobile.core.reader.ZimFileReader
@@ -54,14 +52,6 @@ class ApplicationModule {
   @Singleton
   internal fun provideBookUtils(): BookUtils = BookUtils()
 
-  @Provides
-  @Singleton
-  fun provideObjectBoxToLibkiwixMigrator() = ObjectBoxToLibkiwixMigrator()
-
-  @Provides
-  @Singleton
-  fun provideObjectBoxToRoomMigrator() = ObjectBoxToRoomMigrator()
-
   @Provides
   @Singleton
   internal fun provideDownloadMonitor(

core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/DatabaseModule.kt

@@ -20,27 +20,12 @@ package org.kiwix.kiwixmobile.core.di.modules
 import android.content.Context
 import dagger.Module
 import dagger.Provides
-import io.objectbox.BoxStore
 import org.kiwix.kiwixmobile.core.dao.LibkiwixBookOnDisk
-import org.kiwix.kiwixmobile.core.dao.entities.MyObjectBox
 import org.kiwix.kiwixmobile.core.data.KiwixRoomDatabase
 import javax.inject.Singleton
 
 @Module
 open class DatabaseModule {
-  companion object {
-    var boxStore: BoxStore? = null
-  }
-
-  @Suppress("UnsafeCallOnNullableType")
-  // NOT RECOMMENDED TODO use custom runner to load TestApplication
-  @Provides @Singleton fun providesBoxStore(context: Context): BoxStore {
-    if (boxStore == null) {
-      boxStore = MyObjectBox.builder().androidContext(context).build()
-    }
-    return boxStore!!
-  }
-
   @Singleton
   @Provides
   fun provideYourDatabase(

core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/MigrationModule.kt

@@ -0,0 +1,24 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.core.di.modules
+
+import dagger.Module
+
+@Module
+abstract class MigrationModule

core/src/main/java/org/kiwix/kiwixmobile/core/main/CoreMainActivity.kt

@@ -47,8 +47,7 @@ import org.kiwix.kiwixmobile.core.CoreApp
 import org.kiwix.kiwixmobile.core.R
 import org.kiwix.kiwixmobile.core.base.BaseActivity
 import org.kiwix.kiwixmobile.core.base.FragmentActivityExtensions
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToLibkiwixMigrator
+import org.kiwix.kiwixmobile.core.data.ObjectBoxDataMigrationHandler
-import org.kiwix.kiwixmobile.core.data.remote.ObjectBoxToRoomMigrator
 import org.kiwix.kiwixmobile.core.di.components.CoreActivityComponent
 import org.kiwix.kiwixmobile.core.downloader.DownloadMonitor
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.APP_NAME_KEY
@@ -165,9 +164,8 @@ abstract class CoreMainActivity : BaseActivity(), WebViewProvider {
   abstract val mainActivity: AppCompatActivity
   abstract val appName: String
 
-  @Inject lateinit var objectBoxToLibkiwixMigrator: ObjectBoxToLibkiwixMigrator
+  @Inject
-
+  lateinit var objectBoxDataMigrationHandler: ObjectBoxDataMigrationHandler
-  @Inject lateinit var objectBoxToRoomMigrator: ObjectBoxToRoomMigrator
 
   @Inject
   lateinit var downloadMonitor: DownloadMonitor
@@ -194,11 +192,7 @@ abstract class CoreMainActivity : BaseActivity(), WebViewProvider {
     setMainActivityToCoreApp()
     // run the migration on background thread to avoid any UI related issues.
     CoroutineScope(Dispatchers.IO).launch {
-      objectBoxToLibkiwixMigrator.migrateObjectBoxDataToLibkiwix()
+      objectBoxDataMigrationHandler.migrate()
-    }
-    // run the migration on background thread to avoid any UI related issues.
-    CoroutineScope(Dispatchers.IO).launch {
-      objectBoxToRoomMigrator.migrateObjectBoxDataToRoom()
     }
     lifecycleScope.launch(Dispatchers.IO) {
       createApplicationShortcuts()

core/src/main/java/org/kiwix/kiwixmobile/core/page/bookmark/adapter/BookmarkItem.kt

@@ -18,7 +18,6 @@
 
 package org.kiwix.kiwixmobile.core.page.bookmark.adapter
 
-import org.kiwix.kiwixmobile.core.dao.entities.BookmarkEntity
 import org.kiwix.kiwixmobile.core.page.adapter.Page
 import org.kiwix.kiwixmobile.core.reader.ZimFileReader
 import org.kiwix.kiwixmobile.core.reader.ZimReaderSource
@@ -35,16 +34,6 @@ data class BookmarkItem(
   override val url: String = bookmarkUrl,
   override val id: Long = databaseId
 ) : Page {
-  constructor(entity: BookmarkEntity) : this(
-    entity.id,
-    entity.zimId,
-    entity.zimName,
-    entity.zimReaderSource,
-    entity.bookmarkUrl,
-    entity.bookmarkTitle,
-    entity.favicon
-  )
-
   constructor(
     title: String,
     url: String,

core/src/main/java/org/kiwix/kiwixmobile/core/page/bookmark/adapter/LibkiwixBookmarkItem.kt

@@ -18,7 +18,6 @@
 
 package org.kiwix.kiwixmobile.core.page.bookmark.adapter
 
-import org.kiwix.kiwixmobile.core.dao.entities.BookmarkEntity
 import org.kiwix.kiwixmobile.core.page.adapter.Page
 import org.kiwix.kiwixmobile.core.reader.ZimFileReader
 import org.kiwix.kiwixmobile.core.reader.ZimReaderSource
@@ -71,20 +70,6 @@ data class LibkiwixBookmarkItem(
     libKiwixBook = libKiwixBook
   )
 
-  constructor(
-    bookmarkEntity: BookmarkEntity,
-    libkiwixBook: Book?
-  ) : this(
-    zimId = bookmarkEntity.zimId,
-    zimFilePath = bookmarkEntity.zimReaderSource?.toDatabase(),
-    zimReaderSource = bookmarkEntity.zimReaderSource,
-    zimName = bookmarkEntity.zimName,
-    bookmarkUrl = bookmarkEntity.bookmarkUrl,
-    title = bookmarkEntity.bookmarkTitle,
-    favicon = bookmarkEntity.favicon,
-    libKiwixBook = libkiwixBook
-  )
-
   constructor(
     zimId: String,
     bookmarkUrl: String

core/src/main/java/org/kiwix/kiwixmobile/core/page/history/adapter/HistoryListItem.kt

@@ -17,7 +17,6 @@
  */
 package org.kiwix.kiwixmobile.core.page.history.adapter
 
-import org.kiwix.kiwixmobile.core.dao.entities.HistoryEntity
 import org.kiwix.kiwixmobile.core.dao.entities.HistoryRoomEntity
 import org.kiwix.kiwixmobile.core.page.adapter.Page
 import org.kiwix.kiwixmobile.core.page.adapter.PageRelated
@@ -56,19 +55,6 @@ sealed class HistoryListItem : PageRelated {
       timeStamp = timeStamp
     )
 
-    constructor(historyEntity: HistoryEntity) : this(
-      historyEntity.id,
-      historyEntity.zimId,
-      historyEntity.zimName,
-      historyEntity.zimReaderSource,
-      historyEntity.favicon,
-      historyEntity.historyUrl,
-      historyEntity.historyTitle,
-      historyEntity.dateString,
-      historyEntity.timeStamp,
-      false
-    )
-
     constructor(historyRoomEntity: HistoryRoomEntity) : this(
       historyRoomEntity.id,
       historyRoomEntity.zimId,

core/src/main/java/org/kiwix/kiwixmobile/core/page/notes/adapter/NoteListItem.kt

@@ -1,6 +1,5 @@
 package org.kiwix.kiwixmobile.core.page.notes.adapter
 
-import org.kiwix.kiwixmobile.core.dao.entities.NotesEntity
 import org.kiwix.kiwixmobile.core.dao.entities.NotesRoomEntity
 import org.kiwix.kiwixmobile.core.page.adapter.Page
 import org.kiwix.kiwixmobile.core.reader.ZimReaderSource
@@ -18,16 +17,6 @@ data class NoteListItem(
   override val url: String = zimUrl,
   override val id: Long = databaseId
 ) : Page, Serializable {
-  constructor(notesEntity: NotesEntity) : this(
-    notesEntity.id,
-    notesEntity.zimId,
-    notesEntity.noteTitle,
-    notesEntity.zimReaderSource,
-    notesEntity.zimUrl,
-    notesEntity.noteFilePath,
-    notesEntity.favicon
-  )
-
   constructor(
     zimId: String,
     title: String,

core/src/main/java/org/kiwix/kiwixmobile/core/zim_manager/fileselect_view/BooksOnDiskListItem.kt

@@ -19,7 +19,6 @@
 package org.kiwix.kiwixmobile.core.zim_manager.fileselect_view
 
 import org.kiwix.kiwixmobile.core.compat.CompatHelper.Companion.convertToLocal
-import org.kiwix.kiwixmobile.core.dao.entities.BookOnDiskEntity
 import org.kiwix.kiwixmobile.core.dao.entities.DownloadRoomEntity
 import org.kiwix.kiwixmobile.core.entity.LibkiwixBook
 import org.kiwix.kiwixmobile.core.reader.ZimFileReader
@@ -54,17 +53,6 @@ sealed class BooksOnDiskListItem {
       book.language.convertToLocal()
     }
 
-    @Deprecated(
-      "Now we are using the libkiwix to store and retrieve the local " +
-        "books so this constructor is no longer used."
-    )
-    constructor(bookOnDiskEntity: BookOnDiskEntity) : this(
-      databaseId = bookOnDiskEntity.id,
-      file = bookOnDiskEntity.file,
-      book = bookOnDiskEntity.toBook(),
-      zimReaderSource = bookOnDiskEntity.zimReaderSource
-    )
-
     constructor(downloadRoomEntity: DownloadRoomEntity) : this(
       book = downloadRoomEntity.toBook(),
       zimReaderSource = ZimReaderSource(File(downloadRoomEntity.file))

defaultMigration/.gitignore

@@ -0,0 +1 @@
+/build

defaultMigration/build.gradle.kts

@@ -0,0 +1,28 @@
+import plugin.KiwixConfigurationPlugin
+
+plugins {
+  id("com.android.library")
+  id("org.jetbrains.kotlin.android")
+}
+plugins.apply(KiwixConfigurationPlugin::class)
+android {
+  namespace = "org.kiwix.kiwixmobile.defaultmigration"
+
+  defaultConfig {
+    minSdk = 25
+
+    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    consumerProguardFiles("consumer-rules.pro")
+  }
+
+  buildTypes {
+    release {
+      isMinifyEnabled = false
+      proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+    }
+  }
+}
+
+dependencies {
+  implementation(project(":core"))
+}

defaultMigration/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

defaultMigration/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

defaultMigration/src/main/java/org/kiwix/kiwixmobile/defaultmigration/DefaultMigrationComponent.kt

@@ -1,6 +1,6 @@
 /*
  * Kiwix Android
- * Copyright (c) 2019 Kiwix <android.kiwix.org>
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -16,16 +16,11 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.base.adapter
+package org.kiwix.kiwixmobile.defaultmigration
 
-import android.view.View
+import dagger.Component
-import androidx.recyclerview.widget.RecyclerView.ViewHolder
-import kotlinx.android.extensions.LayoutContainer
 
-abstract class BaseViewHolder<in ITEM>(override val containerView: View) :
+@Component(modules = [DefaultMigrationModule::class])
-  ViewHolder(
+interface DefaultMigrationComponent {
-    containerView
+  // Do nothing
-  ),
-  LayoutContainer {
-  abstract fun bind(item: ITEM)
 }

defaultMigration/src/main/java/org/kiwix/kiwixmobile/defaultmigration/DefaultMigrationHandler.kt

@@ -0,0 +1,28 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.defaultmigration
+
+import org.kiwix.kiwixmobile.core.data.ObjectBoxDataMigrationHandler
+import javax.inject.Inject
+
+class DefaultMigrationHandler @Inject constructor() : ObjectBoxDataMigrationHandler {
+  override suspend fun migrate() {
+    // Do nothing
+  }
+}

defaultMigration/src/main/java/org/kiwix/kiwixmobile/defaultmigration/DefaultMigrationModule.kt

@@ -0,0 +1,30 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.defaultmigration
+
+import dagger.Module
+import dagger.Provides
+import org.kiwix.kiwixmobile.core.data.ObjectBoxDataMigrationHandler
+
+@Module
+class DefaultMigrationModule {
+  @Provides
+  fun provideMigrationHandler(): ObjectBoxDataMigrationHandler =
+    DefaultMigrationHandler()
+}

objectboxmigration/.gitignore

@@ -0,0 +1 @@
+/build

objectboxmigration/build.gradle.kts

@@ -0,0 +1,45 @@
+import org.gradle.kotlin.dsl.apply
+import plugin.KiwixConfigurationPlugin
+
+plugins {
+  id("com.android.library")
+  id("org.jetbrains.kotlin.android")
+}
+
+buildscript {
+  repositories {
+    google()
+    mavenCentral()
+    maven { setUrl("https://jitpack.io") }
+  }
+
+  dependencies {
+    classpath(Libs.objectbox_gradle_plugin)
+  }
+}
+
+plugins.apply(KiwixConfigurationPlugin::class)
+apply(plugin = "io.objectbox")
+
+android {
+  namespace = "org.kiwix.kiwixmobile.objectboxmigration"
+
+  defaultConfig {
+    minSdk = 25
+
+    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    consumerProguardFiles("consumer-rules.pro")
+  }
+
+  buildTypes {
+    release {
+      isMinifyEnabled = false
+      proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+    }
+  }
+}
+
+dependencies {
+  implementation(Libs.objectbox_kotlin)
+  implementation(project(":core"))
+}

objectboxmigration/objectbox-models/default.json

@@ -98,35 +98,6 @@
       ],
       "relations": []
     },
-    {
-      "id": "4:6278838675135543734",
-      "lastPropertyId": "4:8812214350305159407",
-      "name": "LanguageEntity",
-      "properties": [
-        {
-          "id": "1:7795244654012809404",
-          "name": "id",
-          "type": 6,
-          "flags": 1
-        },
-        {
-          "id": "2:9116495537035444904",
-          "name": "locale",
-          "type": 9
-        },
-        {
-          "id": "3:452531964346972307",
-          "name": "active",
-          "type": 1
-        },
-        {
-          "id": "4:8812214350305159407",
-          "name": "occurencesOfLanguage",
-          "type": 5
-        }
-      ],
-      "relations": []
-    },
     {
       "id": "5:3222423958972105425",
       "lastPropertyId": "11:6493253695033019145",
@@ -324,7 +295,8 @@
     349148274283701276,
     7257718270326155947,
     7394649290555378565,
-    8093454424037540087
+    8093454424037540087,
+    6278838675135543734
   ],
   "retiredIndexUids": [
     1293695782925933448,
@@ -399,7 +371,11 @@
     5555873126720275555,
     2724607601244650879,
     5485468735259326535,
-    4272820830206771469
+    4272820830206771469,
+    7795244654012809404,
+    9116495537035444904,
+    452531964346972307,
+    8812214350305159407
   ],
   "retiredRelationUids": [],
   "version": 1

objectboxmigration/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

objectboxmigration/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/ObjectBoxMigrationHandler.kt

@@ -0,0 +1,34 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.objectboxmigration
+
+import org.kiwix.kiwixmobile.core.data.ObjectBoxDataMigrationHandler
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToLibkiwixMigrator
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToRoomMigrator
+import javax.inject.Inject
+
+class ObjectBoxMigrationHandler @Inject constructor(
+  private val objectBoxToRoomMigrator: ObjectBoxToRoomMigrator,
+  private val objectBoxToLibkiwixMigrator: ObjectBoxToLibkiwixMigrator
+) : ObjectBoxDataMigrationHandler {
+  override suspend fun migrate() {
+    objectBoxToRoomMigrator.migrateObjectBoxDataToRoom()
+    objectBoxToLibkiwixMigrator.migrateObjectBoxDataToLibkiwix()
+  }
+}

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/data/ObjectBoxToLibkiwixMigrator.kt

@@ -16,23 +16,22 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.data.remote
+package org.kiwix.kiwixmobile.objectboxmigration.data
 
 import io.objectbox.Box
 import io.objectbox.BoxStore
 import io.objectbox.kotlin.boxFor
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
-import org.kiwix.kiwixmobile.core.CoreApp
 import org.kiwix.kiwixmobile.core.dao.LibkiwixBookOnDisk
 import org.kiwix.kiwixmobile.core.dao.LibkiwixBookmarks
-import org.kiwix.kiwixmobile.core.dao.entities.BookOnDiskEntity
-import org.kiwix.kiwixmobile.core.dao.entities.BookmarkEntity
 import org.kiwix.kiwixmobile.core.page.bookmark.adapter.LibkiwixBookmarkItem
 import org.kiwix.kiwixmobile.core.reader.ZimReaderSource
 import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil
 import org.kiwix.kiwixmobile.core.utils.files.Log
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.BooksOnDiskListItem.BookOnDisk
+import org.kiwix.kiwixmobile.objectboxmigration.entities.BookOnDiskEntity
+import org.kiwix.kiwixmobile.objectboxmigration.entities.BookmarkEntity
 import org.kiwix.libkiwix.Book
 import org.kiwix.libzim.Archive
 import java.io.File
@@ -53,7 +52,7 @@ class ObjectBoxToLibkiwixMigrator {
   private val migrationMutex = Mutex()
 
   suspend fun migrateObjectBoxDataToLibkiwix() {
-    CoreApp.coreComponent.inject(this)
+    // CoreApp.coreComponent.inject(this)
     if (!sharedPreferenceUtil.prefIsBookmarksMigrated) {
       migrateBookMarks(boxStore.boxFor())
     }
@@ -73,7 +72,12 @@ class ObjectBoxToLibkiwixMigrator {
           bookOnDiskEntity.zimReaderSource = zimReaderSource
         }
       }
-      BookOnDisk(bookOnDiskEntity)
+      BookOnDisk(
+        databaseId = bookOnDiskEntity.id,
+        file = bookOnDiskEntity.file,
+        book = bookOnDiskEntity.toBook(),
+        zimReaderSource = bookOnDiskEntity.zimReaderSource
+      )
     }
     migrationMutex.withLock {
       runCatching {
@@ -118,13 +122,22 @@ class ObjectBoxToLibkiwixMigrator {
                 // to display them on the bookmark screen.
                 null
               }
-            } ?: kotlin.run {
+            } ?: run {
               // for migrating bookmarks for recent custom apps since in recent version of
               // custom app we are using the `assetFileDescriptor` which does not have the filePath.
               null
             }
           libkiwixBookmarks.saveBookmark(
-            LibkiwixBookmarkItem(bookmarkEntity, libkiwixBook),
+            LibkiwixBookmarkItem(
+              zimId = bookmarkEntity.zimId,
+              zimFilePath = bookmarkEntity.zimReaderSource?.toDatabase(),
+              zimReaderSource = bookmarkEntity.zimReaderSource,
+              zimName = bookmarkEntity.zimName,
+              bookmarkUrl = bookmarkEntity.bookmarkUrl,
+              title = bookmarkEntity.bookmarkTitle,
+              favicon = bookmarkEntity.favicon,
+              libKiwixBook = libkiwixBook
+            ),
             shouldWriteBookmarkToFile = index == bookMarksList.size - 1
           )
           archive?.dispose()

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/data/ObjectBoxToRoomMigrator.kt

@@ -16,15 +16,14 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.data.remote
+package org.kiwix.kiwixmobile.objectboxmigration.data
 
 import io.objectbox.Box
 import io.objectbox.BoxStore
 import io.objectbox.kotlin.boxFor
-import org.kiwix.kiwixmobile.core.CoreApp
+import org.kiwix.kiwixmobile.objectboxmigration.entities.HistoryEntity
-import org.kiwix.kiwixmobile.core.dao.entities.HistoryEntity
+import org.kiwix.kiwixmobile.objectboxmigration.entities.NotesEntity
-import org.kiwix.kiwixmobile.core.dao.entities.NotesEntity
+import org.kiwix.kiwixmobile.objectboxmigration.entities.RecentSearchEntity
-import org.kiwix.kiwixmobile.core.dao.entities.RecentSearchEntity
 import org.kiwix.kiwixmobile.core.data.KiwixRoomDatabase
 import org.kiwix.kiwixmobile.core.page.history.adapter.HistoryListItem
 import org.kiwix.kiwixmobile.core.page.notes.adapter.NoteListItem
@@ -39,7 +38,7 @@ class ObjectBoxToRoomMigrator {
   @Inject lateinit var sharedPreferenceUtil: SharedPreferenceUtil
 
   suspend fun migrateObjectBoxDataToRoom() {
-    CoreApp.coreComponent.inject(this)
+    // CoreApp.coreComponent.inject(this)
     if (!sharedPreferenceUtil.prefIsRecentSearchMigrated) {
       migrateRecentSearch(boxStore.boxFor())
     }
@@ -71,7 +70,20 @@ class ObjectBoxToRoomMigrator {
     val historyEntityList = box.all
     historyEntityList.forEachIndexed { _, historyEntity ->
       kiwixRoomDatabase.historyRoomDao()
-        .saveHistory(HistoryListItem.HistoryItem(historyEntity))
+        .saveHistory(
+          HistoryListItem.HistoryItem(
+            historyEntity.id,
+            historyEntity.zimId,
+            historyEntity.zimName,
+            historyEntity.zimReaderSource,
+            historyEntity.favicon,
+            historyEntity.historyUrl,
+            historyEntity.historyTitle,
+            historyEntity.dateString,
+            historyEntity.timeStamp,
+            false
+          )
+        )
       // removing the single entity from the object box after migration.
       box.remove(historyEntity.id)
     }
@@ -81,7 +93,17 @@ class ObjectBoxToRoomMigrator {
   suspend fun migrateNotes(box: Box<NotesEntity>) {
     val notesEntityList = box.all
     notesEntityList.forEachIndexed { _, notesEntity ->
-      kiwixRoomDatabase.notesRoomDao().saveNote(NoteListItem(notesEntity))
+      kiwixRoomDatabase.notesRoomDao().saveNote(
+        NoteListItem(
+          notesEntity.id,
+          notesEntity.zimId,
+          notesEntity.noteTitle,
+          notesEntity.zimReaderSource,
+          notesEntity.zimUrl,
+          notesEntity.noteFilePath,
+          notesEntity.favicon
+        )
+      )
       // removing the single entity from the object box after migration.
       box.remove(notesEntity.id)
     }

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/di/MigrationComponent.kt

@@ -0,0 +1,41 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.objectboxmigration.di
+
+import dagger.Component
+import org.kiwix.kiwixmobile.core.di.components.CoreComponent
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToLibkiwixMigrator
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToRoomMigrator
+import org.kiwix.kiwixmobile.objectboxmigration.di.module.DatabaseModule
+import org.kiwix.kiwixmobile.objectboxmigration.di.module.ObjectBoxMigrationModule
+
+@MigrationScope
+@Component(
+  dependencies = [CoreComponent::class],
+  modules = [ObjectBoxMigrationModule::class, DatabaseModule::class]
+)
+interface MigrationComponent {
+  fun objectBoxToRoomMigrator(): ObjectBoxToRoomMigrator
+  fun objectBoxToLibkiwixMigrator(): ObjectBoxToLibkiwixMigrator
+
+  @Component.Factory
+  interface Factory {
+    fun create(coreComponent: CoreComponent): MigrationComponent
+  }
+}

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/di/MigrationScope.kt

@@ -0,0 +1,25 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.objectboxmigration.di
+
+import javax.inject.Scope
+
+@Scope
+@Retention(AnnotationRetention.RUNTIME)
+annotation class MigrationScope

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/di/module/DatabaseModule.kt

@@ -0,0 +1,42 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.objectboxmigration.di.module
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import io.objectbox.BoxStore
+import org.kiwix.kiwixmobile.objectboxmigration.entities.MyObjectBox
+import javax.inject.Singleton
+
+@Module
+class DatabaseModule {
+  companion object {
+    var boxStore: BoxStore? = null
+  }
+
+  @Suppress("UnsafeCallOnNullableType")
+  // NOT RECOMMENDED TODO use custom runner to load TestApplication
+  @Provides @Singleton fun providesBoxStore(context: Context): BoxStore {
+    if (boxStore == null) {
+      boxStore = MyObjectBox.builder().androidContext(context).build()
+    }
+    return boxStore!!
+  }
+}

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/di/module/ObjectBoxMigrationModule.kt

@@ -0,0 +1,46 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.objectboxmigration.di.module
+
+import dagger.Module
+import dagger.Provides
+import org.kiwix.kiwixmobile.core.data.ObjectBoxDataMigrationHandler
+import org.kiwix.kiwixmobile.objectboxmigration.ObjectBoxMigrationHandler
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToLibkiwixMigrator
+import org.kiwix.kiwixmobile.objectboxmigration.data.ObjectBoxToRoomMigrator
+import org.kiwix.kiwixmobile.objectboxmigration.di.MigrationScope
+
+@Module
+class ObjectBoxMigrationModule {
+  @Provides
+  @MigrationScope
+  fun provideObjectBoxToLibkiwixMigrator() = ObjectBoxToLibkiwixMigrator()
+
+  @Provides
+  @MigrationScope
+  fun provideObjectBoxToRoomMigrator() = ObjectBoxToRoomMigrator()
+
+  @Provides
+  @MigrationScope
+  fun provideMigrationHandler(
+    objectBoxToRoomMigrator: ObjectBoxToRoomMigrator,
+    objectBoxToLibkiwixMigrator: ObjectBoxToLibkiwixMigrator
+  ): ObjectBoxDataMigrationHandler =
+    ObjectBoxMigrationHandler(objectBoxToRoomMigrator, objectBoxToLibkiwixMigrator)
+}

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/entities/BookOnDiskEntity.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.dao.entities
+package org.kiwix.kiwixmobile.objectboxmigration.entities
 
 import io.objectbox.annotation.Convert
 import io.objectbox.annotation.Entity

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/entities/BookmarkEntity.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.core.dao.entities
+package org.kiwix.kiwixmobile.objectboxmigration.entities
 
 import io.objectbox.annotation.Convert
 import io.objectbox.annotation.Entity

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/entities/HistoryEntity.kt

@@ -1,6 +1,6 @@
 /*
  * Kiwix Android
- * Copyright (c) 2019 Kiwix <android.kiwix.org>
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -15,12 +15,13 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.core.dao.entities
+
+package org.kiwix.kiwixmobile.objectboxmigration.entities
 
 import io.objectbox.annotation.Convert
 import io.objectbox.annotation.Entity
 import io.objectbox.annotation.Id
-import org.kiwix.kiwixmobile.core.page.history.adapter.HistoryListItem.HistoryItem
+import org.kiwix.kiwixmobile.core.page.history.adapter.HistoryListItem
 import org.kiwix.kiwixmobile.core.reader.ZimReaderSource
 
 @Entity
@@ -38,7 +39,7 @@ data class HistoryEntity(
   val dateString: String,
   val timeStamp: Long
 ) {
-  constructor(historyItem: HistoryItem) : this(
+  constructor(historyItem: HistoryListItem.HistoryItem) : this(
     historyItem.databaseId,
     historyItem.zimId,
     historyItem.zimName,

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/entities/NotesEntity.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.dao.entities
+package org.kiwix.kiwixmobile.objectboxmigration.entities
 
 import io.objectbox.annotation.Convert
 import io.objectbox.annotation.Entity

objectboxmigration/src/main/java/org/kiwix/kiwixmobile/objectboxmigration/entities/RecentSearchEntity.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.core.dao.entities
+package org.kiwix.kiwixmobile.objectboxmigration.entities
 
 import io.objectbox.annotation.Entity
 import io.objectbox.annotation.Id

settings.gradle.kts

@@ -2,6 +2,9 @@ include(
   ":core",
   ":app",
   ":custom",
-  ":install_time_asset"
+  ":install_time_asset",
+  ":objectboxmigration",
+  ":defaultMigration"
 )
 rootProject.name = "kiwix-android"
+include(":objectboxmigration2")