Reintroduced the "Hotspot Feature" for custom apps.

app/detekt_baseline.xml

@@ -43,11 +43,6 @@
     <ID>PackageNaming:SimplePageChangeListener.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>PackageNaming:StartMultiSelection.kt$package
       org.kiwix.kiwixmobile.zimManager.fileselectView.effects</ID>
-    <ID>PackageNaming:HotspotNotificationManager.kt$package org.kiwix.kiwixmobile.webserver.wifi_hotspot</ID>
-    <ID>PackageNaming:HotspotStateReceiver.kt$package org.kiwix.kiwixmobile.webserver.wifi_hotspot</ID>
-    <ID>PackageNaming:IpAddressCallbacks.kt$package org.kiwix.kiwixmobile.webserver.wifi_hotspot</ID>
-    <ID>PackageNaming:HotspotService.kt$package org.kiwix.kiwixmobile.webserver.wifi_hotspot</ID>
-    <ID>PackageNaming:ServerStatus.kt$package org.kiwix.kiwixmobile.webserver.wifi_hotspot</ID>
     <ID>PackageNaming:ZimManageViewModel.kt$package org.kiwix.kiwixmobile.zimManager</ID>
     <ID>ReturnCount:Fat32Checker.kt$Fat32Checker$private fun canCreate4GbFile(storage: String): Boolean</ID>
     <ID>TooGenericExceptionCaught:FileWritingFileSystemChecker.kt$FileWritingFileSystemChecker$e: Exception</ID>

app/src/androidTest/java/org/kiwix/kiwixmobile/webserver/ZimHostRobot.kt

@@ -35,7 +35,6 @@ import org.kiwix.kiwixmobile.Findable.StringId.TextId
 import org.kiwix.kiwixmobile.Findable.Text
 import org.kiwix.kiwixmobile.Findable.ViewId
 import org.kiwix.kiwixmobile.core.R
-import org.kiwix.kiwixmobile.R.id
 import org.kiwix.kiwixmobile.core.utils.files.Log
 import org.kiwix.kiwixmobile.testutils.TestUtils
 import org.kiwix.kiwixmobile.testutils.TestUtils.testFlakyView
@@ -75,7 +74,7 @@ class ZimHostRobot : BaseRobot() {
   fun startServer() {
     // stop the server if it is already running.
     stopServerIfAlreadyStarted()
-    clickOn(ViewId(id.startServerButton))
+    clickOn(ViewId(R.id.startServerButton))
     assetWifiDialogDisplayed()
     testFlakyView({ onView(withText("PROCEED")).perform(click()) })
   }
@@ -116,7 +115,7 @@ class ZimHostRobot : BaseRobot() {
     } catch (assertionFailedError: AssertionFailedError) {
       try {
         val recyclerViewItemsCount =
-          RecyclerViewItemCount(id.recyclerViewZimHost).checkRecyclerViewCount()
+          RecyclerViewItemCount(R.id.recyclerViewZimHost).checkRecyclerViewCount()
         (0 until recyclerViewItemsCount)
           .asSequence()
           .filter { it != 0 }
@@ -130,14 +129,14 @@ class ZimHostRobot : BaseRobot() {
   private fun selectZimFile(position: Int) {
     try {
       onView(
-        RecyclerViewMatcher(id.recyclerViewZimHost).atPositionOnView(
+        RecyclerViewMatcher(R.id.recyclerViewZimHost).atPositionOnView(
           position,
           R.id.itemBookCheckbox
         )
       ).check(matches(ViewMatchers.isChecked()))
     } catch (assertionError: AssertionFailedError) {
       onView(
-        RecyclerViewMatcher(id.recyclerViewZimHost).atPositionOnView(
+        RecyclerViewMatcher(R.id.recyclerViewZimHost).atPositionOnView(
           position,
           R.id.itemBookCheckbox
         )
@@ -148,14 +147,14 @@ class ZimHostRobot : BaseRobot() {
   fun assertItemHostedOnServer(itemCount: Int) {
     val checkedCheckboxCount =
       RecyclerViewSelectedCheckBoxCountAssertion(
-        id.recyclerViewZimHost,
+        R.id.recyclerViewZimHost,
         R.id.itemBookCheckbox
       ).countCheckedCheckboxes()
     assertThat(checkedCheckboxCount, CoreMatchers.`is`(itemCount))
   }
 
   fun stopServer() {
-    testFlakyView({ onView(withId(id.startServerButton)).perform(click()) })
+    testFlakyView({ onView(withId(R.id.startServerButton)).perform(click()) })
   }
 
   fun assertServerStopped() {
@@ -164,11 +163,11 @@ class ZimHostRobot : BaseRobot() {
   }
 
   fun assertQrShown() {
-    isVisible(ViewId(id.serverQrCode))
+    isVisible(ViewId(R.id.serverQrCode))
   }
 
   fun assertQrNotShown() {
-    isNotVisible(ViewId(id.serverQrCode))
+    isNotVisible(ViewId(R.id.serverQrCode))
   }
 
   private fun pauseForBetterTestPerformance() {

app/src/main/AndroidManifest.xml

@@ -152,8 +152,5 @@
         <action android:name="KiwixSearchWidget.STAR_CLICKED" />
       </intent-filter>
     </receiver>
-    <service
-      android:name=".webserver.wifi_hotspot.HotspotService"
-      android:foregroundServiceType="dataSync" />
   </application>
 </manifest>

app/src/main/java/org/kiwix/kiwixmobile/di/components/KiwixActivityComponent.kt

@@ -22,8 +22,7 @@ import dagger.BindsInstance
 import dagger.Subcomponent
 import org.kiwix.kiwixmobile.core.di.ActivityScope
 import org.kiwix.kiwixmobile.core.di.components.CoreActivityComponent
-import org.kiwix.kiwixmobile.webserver.ZimHostModule
-import org.kiwix.kiwixmobile.webserver.ZimHostFragment
+import org.kiwix.kiwixmobile.core.webserver.ZimHostModule
 import org.kiwix.kiwixmobile.di.modules.KiwixActivityModule
 import org.kiwix.kiwixmobile.intro.IntroFragment
 import org.kiwix.kiwixmobile.intro.IntroModule
@@ -50,7 +49,6 @@ interface KiwixActivityComponent : CoreActivityComponent {
   fun inject(deleteFiles: DeleteFiles)
   fun inject(localFileTransferFragment: LocalFileTransferFragment)
   fun inject(languageFragment: LanguageFragment)
-  fun inject(zimHostFragment: ZimHostFragment)
   fun inject(kiwixSettingsFragment: KiwixSettingsFragment)
   fun inject(introActivity: IntroFragment)
   fun inject(kiwixMainActivity: KiwixMainActivity)

app/src/main/java/org/kiwix/kiwixmobile/di/components/KiwixComponent.kt

@@ -21,7 +21,6 @@ package org.kiwix.kiwixmobile.di.components
 import dagger.Component
 import org.kiwix.kiwixmobile.core.di.components.CoreComponent
 import org.kiwix.kiwixmobile.di.KiwixScope
-import org.kiwix.kiwixmobile.di.components.ServiceComponent.Builder
 import org.kiwix.kiwixmobile.di.modules.KiwixModule
 import org.kiwix.kiwixmobile.di.modules.KiwixViewModelModule
 
@@ -32,5 +31,4 @@ import org.kiwix.kiwixmobile.di.modules.KiwixViewModelModule
 )
 interface KiwixComponent {
   fun activityComponentBuilder(): KiwixActivityComponent.Builder
-  fun serviceComponent(): Builder
 }

app/src/main/java/org/kiwix/kiwixmobile/di/modules/KiwixActivityModule.kt

@@ -20,6 +20,7 @@
 
 import dagger.Module
 import org.kiwix.kiwixmobile.core.di.modules.ActivityModule
+import org.kiwix.kiwixmobile.core.webserver.ZimHostModule
 
-@Module(includes = [ActivityModule::class])
+@Module(includes = [ActivityModule::class, ZimHostModule::class])
 class KiwixActivityModule

app/src/main/java/org/kiwix/kiwixmobile/di/modules/KiwixModule.kt

@@ -20,7 +20,6 @@ package org.kiwix.kiwixmobile.di.modules
 
 import android.content.Context
 import android.location.LocationManager
-import android.net.wifi.WifiManager
 import android.net.wifi.p2p.WifiP2pManager
 import dagger.Module
 import dagger.Provides
@@ -56,9 +55,4 @@ object KiwixModule {
   // See: https://github.com/kiwix/kiwix-android/issues/2488
   fun providesWiFiP2pManager(context: Context): WifiP2pManager? =
     context.getSystemService(Context.WIFI_P2P_SERVICE) as WifiP2pManager?
-
-  @Provides
-  @KiwixScope
-  fun provideWifiManager(context: Context): WifiManager =
-    context.applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
 }

app/src/main/java/org/kiwix/kiwixmobile/main/KiwixMainActivity.kt

@@ -23,7 +23,6 @@ import android.content.res.Configuration
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
-import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.core.content.pm.ShortcutInfoCompat
@@ -46,7 +45,6 @@ import kotlinx.coroutines.launch
 import org.kiwix.kiwixmobile.BuildConfig
 import org.kiwix.kiwixmobile.R
 import org.kiwix.kiwixmobile.core.R.drawable
-import org.kiwix.kiwixmobile.core.R.id
 import org.kiwix.kiwixmobile.core.R.mipmap
 import org.kiwix.kiwixmobile.core.R.string
 import org.kiwix.kiwixmobile.core.base.FragmentActivityExtensions
@@ -107,6 +105,8 @@ class KiwixMainActivity : CoreMainActivity() {
   override val notesFragmentResId: Int = R.id.notesFragment
   override val readerFragmentResId: Int = R.id.readerFragment
   override val helpFragmentResId: Int = R.id.helpFragment
+  override val zimHostFragmentResId: Int = R.id.zimHostFragment
+  override val navGraphId: Int = R.navigation.kiwix_nav_graph
   override val topLevelDestinations =
     setOf(R.id.downloadsFragment, R.id.libraryFragment, R.id.readerFragment)
 
@@ -310,19 +310,6 @@ class KiwixMainActivity : CoreMainActivity() {
     }
   }
 
-  override fun onNavigationItemSelected(item: MenuItem): Boolean {
-    when (item.itemId) {
-      id.menu_host_books -> openZimHostFragment()
-      else -> return super.onNavigationItemSelected(item)
-    }
-    return true
-  }
-
-  private fun openZimHostFragment() {
-    disableDrawer()
-    navigate(R.id.zimHostFragment)
-  }
-
   override fun getIconResId() = mipmap.ic_launcher
 
   override fun createApplicationShortcuts() {

app/src/main/res/navigation/kiwix_nav_graph.xml

@@ -125,7 +125,7 @@
     tools:layout="@layout/activity_language" />
   <fragment
     android:id="@+id/zimHostFragment"
-    android:name="org.kiwix.kiwixmobile.webserver.ZimHostFragment"
+    android:name="org.kiwix.kiwixmobile.core.webserver.ZimHostFragment"
     android:label="ZimHostFragment"
     tools:layout="@layout/activity_zim_host" />
   <fragment

core/detekt_baseline.xml

@@ -51,6 +51,11 @@
     <ID>PackageNaming:MountPointProducer.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
     <ID>PackageNaming:SelectionMode.kt$package org.kiwix.kiwixmobile.core.zim_manager.fileselect_view</ID>
     <ID>PackageNaming:TagsView.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
+    <ID>PackageNaming:HotspotNotificationManager.kt$package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot</ID>
+    <ID>PackageNaming:HotspotStateReceiver.kt$package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot</ID>
+    <ID>PackageNaming:IpAddressCallbacks.kt$package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot</ID>
+    <ID>PackageNaming:HotspotService.kt$package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot</ID>
+    <ID>PackageNaming:ServerStatus.kt$package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot</ID>
     <ID>PackageNaming:ConnectivityBroadcastReceiver.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
     <ID>PackageNaming:NetworkState.kt$package org.kiwix.kiwixmobile.core.zim_manager</ID>
     <ID>ReturnCount:FileUtils.kt$FileUtils$@JvmStatic fun getAllZimParts(book: Book): List&lt;File></ID>

core/src/main/AndroidManifest.xml

@@ -95,5 +95,8 @@
     <service
       android:name=".downloader.downloadManager.DownloadMonitorService"
       android:foregroundServiceType="dataSync" />
+    <service
+      android:name=".webserver.wifi_hotspot.HotspotService"
+      android:foregroundServiceType="dataSync" />
   </application>
 </manifest>

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

@@ -36,10 +36,12 @@ import org.kiwix.kiwixmobile.core.page.notes.viewmodel.effects.ShowOpenNoteDialo
 import org.kiwix.kiwixmobile.core.search.SearchFragment
 import org.kiwix.kiwixmobile.core.search.viewmodel.effects.ShowDeleteSearchDialog
 import org.kiwix.kiwixmobile.core.settings.CorePrefsFragment
+import org.kiwix.kiwixmobile.core.webserver.ZimHostFragment
+import org.kiwix.kiwixmobile.core.webserver.ZimHostModule
 
 @ActivityScope
 @Subcomponent(
-  modules = [ActivityModule::class]
+  modules = [ActivityModule::class, ZimHostModule::class],
 )
 interface CoreActivityComponent {
   fun inject(searchFragment: SearchFragment)
@@ -55,6 +57,7 @@ interface CoreActivityComponent {
   fun inject(helpFragment: HelpFragment)
   fun inject(notesFragment: NotesFragment)
   fun inject(navigationHistoryDialog: NavigationHistoryDialog)
+  fun inject(zimHostFragment: ZimHostFragment)
 
   @Subcomponent.Builder
   interface Builder {

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

@@ -21,6 +21,7 @@ import android.app.Application
 import android.app.NotificationManager
 import android.content.Context
 import android.net.ConnectivityManager
+import android.net.wifi.WifiManager
 import dagger.BindsInstance
 import dagger.Component
 import eu.mhutti1.utils.storage.StorageSelectDialog
@@ -102,6 +103,7 @@ interface CoreComponent {
   fun downloadRoomDao(): DownloadRoomDao
   fun newBookmarksDao(): NewBookmarksDao
   fun connectivityManager(): ConnectivityManager
+  fun wifiManager(): WifiManager
   fun objectBoxToLibkiwixMigrator(): ObjectBoxToLibkiwixMigrator
   fun libkiwixBookmarks(): LibkiwixBookmarks
   fun recentSearchRoomDao(): RecentSearchRoomDao

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

@@ -25,12 +25,14 @@ import org.kiwix.kiwixmobile.core.di.CoreServiceScope
 import org.kiwix.kiwixmobile.core.di.modules.CoreServiceModule
 import org.kiwix.kiwixmobile.core.downloader.downloadManager.DownloadMonitorService
 import org.kiwix.kiwixmobile.core.read_aloud.ReadAloudService
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotService
 
 @Subcomponent(modules = [CoreServiceModule::class])
 @CoreServiceScope
 interface CoreServiceComponent {
   fun inject(readAloudService: ReadAloudService)
   fun inject(downloadMonitorService: DownloadMonitorService)
+  fun inject(hotspotService: HotspotService)
 
   @Subcomponent.Builder
   interface Builder {

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

@@ -21,6 +21,7 @@ import android.app.Application
 import android.app.NotificationManager
 import android.content.Context
 import android.net.ConnectivityManager
+import android.net.wifi.WifiManager
 import android.os.storage.StorageManager
 import dagger.Module
 import dagger.Provides
@@ -101,4 +102,9 @@ class ApplicationModule {
   @Singleton
   fun provideConnectivityManager(context: Context): ConnectivityManager =
     context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+
+  @Provides
+  @Singleton
+  fun provideWifiManager(context: Context): WifiManager =
+    context.applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
 }

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

@@ -19,11 +19,18 @@
 package org.kiwix.kiwixmobile.core.di.modules
 
 import android.app.NotificationManager
+import android.app.Service
 import android.content.Context
 import dagger.Module
 import dagger.Provides
 import org.kiwix.kiwixmobile.core.di.CoreServiceScope
+import org.kiwix.kiwixmobile.core.qr.GenerateQR
 import org.kiwix.kiwixmobile.core.read_aloud.ReadAloudNotificationManger
+import org.kiwix.kiwixmobile.core.webserver.KiwixServer
+import org.kiwix.kiwixmobile.core.webserver.WebServerHelper
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotNotificationManager
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotStateReceiver
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.IpAddressCallbacks
 
 @Module
 class CoreServiceModule {
@@ -33,4 +40,39 @@ class CoreServiceModule {
     notificationManager: NotificationManager,
     context: Context
   ): ReadAloudNotificationManger = ReadAloudNotificationManger(notificationManager, context)
+
+  @Provides
+  @CoreServiceScope
+  fun providesWebServerHelper(
+    kiwixServerFactory: KiwixServer.Factory,
+    ipAddressCallbacks: IpAddressCallbacks
+  ): WebServerHelper = WebServerHelper(kiwixServerFactory, ipAddressCallbacks)
+
+  @Provides
+  @CoreServiceScope
+  fun providesIpAddressCallbacks(service: Service): IpAddressCallbacks =
+    service as IpAddressCallbacks
+
+  @Provides
+  @CoreServiceScope
+  fun providesHotspotNotificationManager(
+    notificationManager: NotificationManager,
+    context: Context,
+    generateQR: GenerateQR,
+  ): HotspotNotificationManager =
+    HotspotNotificationManager(notificationManager, context, generateQR)
+
+  @Provides
+  @CoreServiceScope
+  fun providesHotspotStateReceiver(callback: HotspotStateReceiver.Callback): HotspotStateReceiver =
+    HotspotStateReceiver(callback)
+
+  @Provides
+  @CoreServiceScope
+  fun providesHotspotStateReceiverCallback(service: Service): HotspotStateReceiver.Callback =
+    service as HotspotStateReceiver.Callback
+
+  @Provides
+  @CoreServiceScope
+  fun providesGenerateQr(): GenerateQR = GenerateQR()
 }

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

@@ -97,6 +97,8 @@ abstract class CoreMainActivity : BaseActivity(), WebViewProvider {
   abstract val historyFragmentResId: Int
   abstract val notesFragmentResId: Int
   abstract val helpFragmentResId: Int
+  abstract val zimHostFragmentResId: Int
+  abstract val navGraphId: Int
   abstract val cachedComponent: CoreActivityComponent
   abstract val topLevelDestinations: Set<Int>
   abstract val navHostContainer: FragmentContainerView
@@ -307,11 +309,17 @@ abstract class CoreMainActivity : BaseActivity(), WebViewProvider {
       R.id.menu_notes -> openNotes()
       R.id.menu_history -> openHistory()
       R.id.menu_bookmarks_list -> openBookmarks()
+      R.id.menu_host_books -> openZimHostFragment()
       else -> return false
     }
     return true
   }
 
+  private fun openZimHostFragment() {
+    navigate(zimHostFragmentResId)
+    handleDrawerOnNavigation()
+  }
+
   private fun openHelpFragment() {
     navigate(helpFragmentResId)
     handleDrawerOnNavigation()

app/src/main/java/org/kiwix/kiwixmobile/webserver/KiwixServer.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/KiwixServer.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import android.content.Context
 import kotlinx.coroutines.Dispatchers

app/src/main/java/org/kiwix/kiwixmobile/webserver/WebServerHelper.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/WebServerHelper.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import io.reactivex.Flowable
 import io.reactivex.android.schedulers.AndroidSchedulers
@@ -27,8 +27,8 @@ import org.kiwix.kiwixmobile.core.utils.ServerUtils.INVALID_IP
 import org.kiwix.kiwixmobile.core.utils.ServerUtils.getIp
 import org.kiwix.kiwixmobile.core.utils.ServerUtils.getIpAddress
 import org.kiwix.kiwixmobile.core.utils.files.Log
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.IpAddressCallbacks
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.ServerStatus
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.IpAddressCallbacks
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.ServerStatus
 import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostCallbacks.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostCallbacks.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 interface ZimHostCallbacks {
   fun onServerStarted(ip: String)

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostContract.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostContract.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import org.kiwix.kiwixmobile.core.base.BaseContract
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostFragment.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostFragment.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import android.Manifest
 import android.Manifest.permission.POST_NOTIFICATIONS
@@ -42,7 +42,7 @@ import androidx.appcompat.widget.Toolbar
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.FragmentActivity
-import org.kiwix.kiwixmobile.R.layout
+import org.kiwix.kiwixmobile.core.CoreApp.Companion.coreComponent
 import org.kiwix.kiwixmobile.core.R
 import org.kiwix.kiwixmobile.core.base.BaseActivity
 import org.kiwix.kiwixmobile.core.base.BaseFragment
@@ -67,12 +67,12 @@ import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BookOnDisk
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskAdapter
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem.BookOnDisk
-import org.kiwix.kiwixmobile.databinding.ActivityZimHostBinding
-import org.kiwix.kiwixmobile.main.KiwixMainActivity
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.Companion.ACTION_CHECK_IP_ADDRESS
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.Companion.ACTION_START_SERVER
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.Companion.ACTION_STOP_SERVER
+import org.kiwix.kiwixmobile.core.databinding.ActivityZimHostBinding
+import org.kiwix.kiwixmobile.core.extensions.ActivityExtensions.cachedComponent
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotService
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotService.Companion.ACTION_CHECK_IP_ADDRESS
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotService.Companion.ACTION_START_SERVER
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotService.Companion.ACTION_STOP_SERVER
 import javax.inject.Inject
 
 class ZimHostFragment : BaseFragment(), ZimHostCallbacks, ZimHostContract.View {
@@ -178,7 +178,16 @@ class ZimHostFragment : BaseFragment(), ZimHostCallbacks, ZimHostContract.View {
   }
 
   override fun inject(baseActivity: BaseActivity) {
-    (baseActivity as KiwixMainActivity).cachedComponent.inject(this)
+    baseActivity.cachedComponent.inject(this)
+  }
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    coreComponent
+      .activityComponentBuilder()
+      .activity(requireActivity())
+      .build()
+      .inject(this)
   }
 
   override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostModule.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostModule.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import dagger.Binds
 import dagger.Module

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostPresenter.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostPresenter.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver
+package org.kiwix.kiwixmobile.core.webserver
 
 import org.kiwix.kiwixmobile.core.utils.files.Log
 import io.reactivex.SingleObserver
@@ -24,8 +24,8 @@ import org.kiwix.kiwixmobile.core.base.BasePresenter
 import org.kiwix.kiwixmobile.core.data.DataSource
 import org.kiwix.kiwixmobile.core.di.ActivityScope
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem
-import org.kiwix.kiwixmobile.webserver.ZimHostContract.Presenter
-import org.kiwix.kiwixmobile.webserver.ZimHostContract.View
+import org.kiwix.kiwixmobile.core.webserver.ZimHostContract.Presenter
+import org.kiwix.kiwixmobile.core.webserver.ZimHostContract.View
 import javax.inject.Inject
 
 @ActivityScope

app/src/main/java/org/kiwix/kiwixmobile/webserver/wifi_hotspot/HotspotNotificationManager.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/wifi_hotspot/HotspotNotificationManager.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver.wifi_hotspot
+package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot
 
 import android.annotation.SuppressLint
 import android.app.Notification
@@ -29,8 +29,6 @@ import androidx.core.app.NotificationCompat
 import androidx.navigation.NavDeepLinkBuilder
 import org.kiwix.kiwixmobile.core.CoreApp
 import org.kiwix.kiwixmobile.core.R
-import org.kiwix.kiwixmobile.R.id
-import org.kiwix.kiwixmobile.R.navigation
 import org.kiwix.kiwixmobile.core.qr.GenerateQR
 import org.kiwix.kiwixmobile.core.utils.HOTSPOT_SERVICE_CHANNEL_ID
 import javax.inject.Inject
@@ -62,8 +60,8 @@ class HotspotNotificationManager @Inject constructor(
     val contentIntent = NavDeepLinkBuilder(context).setComponentName(
       coreMainActivity.mainActivity::class.java
     )
-      .setGraph(navigation.kiwix_nav_graph)
-      .setDestination(id.zimHostFragment)
+      .setGraph(coreMainActivity.navGraphId)
+      .setDestination(coreMainActivity.zimHostFragmentResId)
       .createPendingIntent()
     hotspotNotificationChannel()
     val stopIntent = Intent(context, HotspotService::class.java).setAction(

app/src/main/java/org/kiwix/kiwixmobile/webserver/wifi_hotspot/HotspotService.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/wifi_hotspot/HotspotService.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver.wifi_hotspot
+package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot
 
 import android.app.Service
 import android.content.Intent
@@ -26,14 +26,14 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import org.kiwix.kiwixmobile.KiwixApp
+import org.kiwix.kiwixmobile.core.CoreApp.Companion.coreComponent
 import org.kiwix.kiwixmobile.core.R
 import org.kiwix.kiwixmobile.core.extensions.registerReceiver
 import org.kiwix.kiwixmobile.core.utils.ServerUtils.getSocketAddress
-import org.kiwix.kiwixmobile.webserver.WebServerHelper
-import org.kiwix.kiwixmobile.webserver.ZimHostCallbacks
-import org.kiwix.kiwixmobile.webserver.ZimHostFragment
-import org.kiwix.kiwixmobile.webserver.ZimHostFragment.Companion.RESTART_SERVER
+import org.kiwix.kiwixmobile.core.webserver.WebServerHelper
+import org.kiwix.kiwixmobile.core.webserver.ZimHostCallbacks
+import org.kiwix.kiwixmobile.core.webserver.ZimHostFragment
+import org.kiwix.kiwixmobile.core.webserver.ZimHostFragment.Companion.RESTART_SERVER
 import java.lang.ref.WeakReference
 import javax.inject.Inject
 
@@ -58,18 +58,18 @@ class HotspotService :
   private val serviceBinder: IBinder = HotspotBinder(this)
 
   override fun onCreate() {
-    (this.application as KiwixApp).kiwixComponent
-      .serviceComponent()
+    coreComponent
+      .coreServiceComponent()
       .service(this)
       .build()
       .inject(this)
     super.onCreate()
-    hotspotStateReceiver?.let(this::registerReceiver)
+    hotspotStateReceiver?.let(::registerReceiver)
   }
 
   override fun onDestroy() {
     webServerHelper?.dispose()
-    hotspotStateReceiver?.let(this@HotspotService::unregisterReceiver)
+    hotspotStateReceiver?.let(::unregisterReceiver)
     super.onDestroy()
   }
 

app/src/main/java/org/kiwix/kiwixmobile/webserver/wifi_hotspot/HotspotStateReceiver.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/wifi_hotspot/HotspotStateReceiver.kt

@@ -15,12 +15,12 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver.wifi_hotspot
+package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot
 
 import android.content.Context
 import android.content.Intent
 import org.kiwix.kiwixmobile.core.base.BaseBroadcastReceiver
-import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotStateReceiver.HotspotState.DISABLED
+import org.kiwix.kiwixmobile.core.webserver.wifi_hotspot.HotspotStateReceiver.HotspotState.DISABLED
 import javax.inject.Inject
 
 const val EXTRA_WIFI_AP_STATE = "wifi_state"

app/src/main/java/org/kiwix/kiwixmobile/webserver/wifi_hotspot/IpAddressCallbacks.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/wifi_hotspot/IpAddressCallbacks.kt

@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.webserver.wifi_hotspot
+package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot
 
 interface IpAddressCallbacks {
   fun onIpAddressValid()

app/src/main/java/org/kiwix/kiwixmobile/webserver/wifi_hotspot/ServerStatus.kt → core/src/main/java/org/kiwix/kiwixmobile/core/webserver/wifi_hotspot/ServerStatus.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.webserver.wifi_hotspot
+package org.kiwix.kiwixmobile.core.webserver.wifi_hotspot
 
 data class ServerStatus(
   val isServerStarted: Boolean,

custom/src/main/java/org/kiwix/kiwixmobile/custom/di/CustomActivityComponent.kt

@@ -22,14 +22,15 @@ import android.app.Activity
 import dagger.BindsInstance
 import dagger.Subcomponent
 import org.kiwix.kiwixmobile.core.di.ActivityScope
+import org.kiwix.kiwixmobile.core.webserver.ZimHostModule
 import org.kiwix.kiwixmobile.core.di.components.CoreActivityComponent
 import org.kiwix.kiwixmobile.custom.download.CustomDownloadFragment
 import org.kiwix.kiwixmobile.custom.main.CustomMainActivity
 import org.kiwix.kiwixmobile.custom.main.CustomReaderFragment
 import org.kiwix.kiwixmobile.custom.settings.CustomSettingsFragment
 
 @ActivityScope
-@Subcomponent(modules = [CustomActivityModule::class])
+@Subcomponent(modules = [CustomActivityModule::class, ZimHostModule::class])
 interface CustomActivityComponent : CoreActivityComponent {
   fun inject(customMainActivity: CustomMainActivity)
   fun inject(customSettingsFragment: CustomSettingsFragment)

custom/src/main/java/org/kiwix/kiwixmobile/custom/main/CustomMainActivity.kt

@@ -75,6 +75,8 @@ class CustomMainActivity : CoreMainActivity() {
   override val historyFragmentResId: Int = R.id.historyFragment
   override val notesFragmentResId: Int = R.id.notesFragment
   override val helpFragmentResId: Int = R.id.helpFragment
+  override val zimHostFragmentResId: Int = R.id.zimHostFragment
+  override val navGraphId: Int = R.navigation.custom_nav_graph
   override val cachedComponent by lazy { customActivityComponent }
   override val topLevelDestinations =
     setOf(R.id.customReaderFragment)
@@ -114,7 +116,7 @@ class CustomMainActivity : CoreMainActivity() {
        * For more info see https://github.com/kiwix/kiwix-android/pull/3516,
        * https://github.com/kiwix/kiwix-android/issues/4026
        */
-      menu.findItem(org.kiwix.kiwixmobile.core.R.id.menu_host_books)?.isVisible = false
+      menu.findItem(org.kiwix.kiwixmobile.core.R.id.menu_host_books)?.isVisible = true
       /**
        * Hide the `HelpFragment` from custom apps.
        * We have not removed the relevant code for `HelpFragment` from custom apps.

custom/src/main/res/navigation/custom_nav_graph.xml

@@ -55,6 +55,10 @@
     android:id="@+id/bookmarksFragment"
     android:name="org.kiwix.kiwixmobile.core.page.bookmark.BookmarksFragment"
     android:label="BookmarksFragment" />
+  <fragment
+    android:id="@+id/zimHostFragment"
+    android:name="org.kiwix.kiwixmobile.core.webserver.ZimHostFragment"
+    android:label="ZimHostFragment" />
   <fragment
     android:id="@+id/helpFragment"
     android:name="org.kiwix.kiwixmobile.custom.help.CustomHelpFragment"