#1600 Move ZimHostActivity to app module

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="org.kiwix.kiwixmobile">
 
+  <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+
   <application android:name=".KiwixApp">
     <activity
       android:name=".main.KiwixMainActivity"
@@ -140,5 +142,8 @@
         <data android:host="*" />
       </intent-filter>
     </activity>
+    <activity android:name=".webserver.ZimHostActivity" />
+
+    <service android:name=".webserver.wifi_hotspot.HotspotService" />
   </application>
 </manifest>

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

@@ -19,7 +19,7 @@
 package org.kiwix.kiwixmobile
 
 import org.kiwix.kiwixmobile.core.base.BaseActivity
-import org.kiwix.kiwixmobile.di.components.KiwixComponent
+import org.kiwix.kiwixmobile.core.di.components.KiwixComponent
 
 private val BaseActivity.kiwixComponent: KiwixComponent
   get() = (applicationContext as KiwixApp).kiwixComponent

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

@@ -19,8 +19,8 @@
 package org.kiwix.kiwixmobile
 
 import org.kiwix.kiwixmobile.core.CoreApp
-import org.kiwix.kiwixmobile.di.components.DaggerKiwixComponent
+import org.kiwix.kiwixmobile.core.di.components.DaggerKiwixComponent
-import org.kiwix.kiwixmobile.di.components.KiwixComponent
+import org.kiwix.kiwixmobile.core.di.components.KiwixComponent
 
 class KiwixApp : CoreApp() {
   @Suppress("ConvertLambdaToReference") // we want the entire call to be lazy

app/src/main/java/org/kiwix/kiwixmobile/KiwixViewModelFactory.java

@@ -23,7 +23,7 @@ import java.util.Map;
 import javax.inject.Inject;
 import javax.inject.Provider;
 import org.kiwix.kiwixmobile.core.ViewModelFactory;
-import org.kiwix.kiwixmobile.di.KiwixScope;
+import org.kiwix.kiwixmobile.core.di.KiwixScope;
 
 @KiwixScope
 public class KiwixViewModelFactory extends ViewModelFactory {

app/src/main/java/org/kiwix/kiwixmobile/core/di/KiwixScope.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di
+package org.kiwix.kiwixmobile.core.di
 
 import javax.inject.Scope
 

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

@@ -15,17 +15,19 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
-package org.kiwix.kiwixmobile.di.components
+package org.kiwix.kiwixmobile.core.di.components
 
 import android.app.Activity
 import dagger.BindsInstance
 import dagger.Subcomponent
 import org.kiwix.kiwixmobile.core.di.ActivityScope
-import org.kiwix.kiwixmobile.di.modules.KiwixActivityModule
+import org.kiwix.kiwixmobile.core.di.modules.KiwixActivityModule
 import org.kiwix.kiwixmobile.language.LanguageActivity
 import org.kiwix.kiwixmobile.local_file_transfer.LocalFileTransferActivity
 import org.kiwix.kiwixmobile.main.KiwixMainActivity
 import org.kiwix.kiwixmobile.settings.KiwixSettingsActivity
+import org.kiwix.kiwixmobile.webserver.ZimHostActivity
+import org.kiwix.kiwixmobile.webserver.ZimHostModule
 import org.kiwix.kiwixmobile.zim_manager.ZimManageActivity
 import org.kiwix.kiwixmobile.zim_manager.download_view.DownloadFragment
 import org.kiwix.kiwixmobile.zim_manager.fileselect_view.ZimFileSelectFragment
@@ -33,7 +35,12 @@ import org.kiwix.kiwixmobile.zim_manager.fileselect_view.effects.DeleteFiles
 import org.kiwix.kiwixmobile.zim_manager.library_view.LibraryFragment
 
 @ActivityScope
-@Subcomponent(modules = [KiwixActivityModule::class])
+@Subcomponent(
+  modules = [
+    KiwixActivityModule::class,
+    ZimHostModule::class
+  ]
+)
 interface KiwixActivityComponent {
   fun inject(downloadFragment: DownloadFragment)
   fun inject(libraryFragment: LibraryFragment)
@@ -44,6 +51,7 @@ interface KiwixActivityComponent {
   fun inject(languageActivity: LanguageActivity)
   fun inject(kiwixMainActivity: KiwixMainActivity)
   fun inject(kiwixSettingsActivity: KiwixSettingsActivity)
+  fun inject(zimHostActivity: ZimHostActivity)
 
   @Subcomponent.Builder
   interface Builder {

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

@@ -16,13 +16,12 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di.components
+package org.kiwix.kiwixmobile.core.di.components
 
 import dagger.Component
-import org.kiwix.kiwixmobile.core.di.components.CoreComponent
+import org.kiwix.kiwixmobile.core.di.KiwixScope
-import org.kiwix.kiwixmobile.di.modules.KiwixModule
+import org.kiwix.kiwixmobile.core.di.modules.KiwixModule
-import org.kiwix.kiwixmobile.di.KiwixScope
+import org.kiwix.kiwixmobile.core.di.modules.ViewModelModule
-import org.kiwix.kiwixmobile.di.modules.ViewModelModule
 
 @KiwixScope
 @Component(
@@ -31,4 +30,5 @@ import org.kiwix.kiwixmobile.di.modules.ViewModelModule
 )
 interface KiwixComponent {
   fun activityComponentBuilder(): KiwixActivityComponent.Builder
+  fun serviceComponent(): ServiceComponent.Builder
 }

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

@@ -23,7 +23,7 @@ import dagger.BindsInstance
 import dagger.Subcomponent
 import org.kiwix.kiwixmobile.core.di.ServiceScope
 import org.kiwix.kiwixmobile.core.di.modules.ServiceModule
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotService
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService
 
 @Subcomponent(modules = [ServiceModule::class])
 @ServiceScope

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

@@ -16,10 +16,9 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di.modules
+package org.kiwix.kiwixmobile.core.di.modules
 
 import dagger.Module
-import org.kiwix.kiwixmobile.core.di.modules.ActivityModule
 
 @Module(includes = [ActivityModule::class])
 class KiwixActivityModule

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

@@ -16,13 +16,13 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di.modules
+package org.kiwix.kiwixmobile.core.di.modules
 
 import android.content.Context
 import android.location.LocationManager
 import dagger.Module
 import dagger.Provides
-import org.kiwix.kiwixmobile.di.KiwixScope
+import org.kiwix.kiwixmobile.core.di.KiwixScope
 
 @Module
 object KiwixModule {

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

@@ -26,11 +26,11 @@ import dagger.Provides
 import org.kiwix.kiwixlib.JNIKiwixLibrary
 import org.kiwix.kiwixlib.JNIKiwixServer
 import org.kiwix.kiwixmobile.core.di.ServiceScope
-import org.kiwix.kiwixmobile.core.webserver.WebServerHelper
+import org.kiwix.kiwixmobile.webserver.WebServerHelper
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotNotificationManager
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotNotificationManager
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotStateReceiver
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotStateReceiver
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotStateReceiver.Callback
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotStateReceiver.Callback
-import org.kiwix.kiwixmobile.core.wifi_hotspot.IpAddressCallbacks
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.IpAddressCallbacks
 
 @Module
 class ServiceModule {
@@ -41,12 +41,7 @@ class ServiceModule {
     jniKiwixLibrary: JNIKiwixLibrary,
     kiwixServer: JNIKiwixServer,
     ipAddressCallbacks: IpAddressCallbacks
-  ): WebServerHelper =
+  ): WebServerHelper = WebServerHelper(jniKiwixLibrary, kiwixServer, ipAddressCallbacks)
-    WebServerHelper(
-      jniKiwixLibrary,
-      kiwixServer,
-      ipAddressCallbacks
-    )
 
   @Provides
   @ServiceScope
@@ -67,19 +62,15 @@ class ServiceModule {
   fun providesHotspotNotificationManager(
     notificationManager: NotificationManager,
     context: Context
-  ): HotspotNotificationManager =
+  ): HotspotNotificationManager = HotspotNotificationManager(notificationManager, context)
-    HotspotNotificationManager(notificationManager, context)
 
   @Provides
   @ServiceScope
-  fun providesHotspotStateReceiver(
+  fun providesHotspotStateReceiver(callback: Callback): HotspotStateReceiver =
-    callback: Callback
-  ): HotspotStateReceiver =
     HotspotStateReceiver(callback)
 
   @Provides
   @ServiceScope
-  fun providesHotspotStateReceiverCallback(
+  fun providesHotspotStateReceiverCallback(service: Service): HotspotStateReceiver.Callback =
-    service: Service
+    service as Callback
-  ): HotspotStateReceiver.Callback = service as Callback
 }

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

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di.modules
+package org.kiwix.kiwixmobile.core.di.modules
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
@@ -25,7 +25,7 @@ import dagger.Module
 import dagger.multibindings.IntoMap
 import org.kiwix.kiwixmobile.KiwixViewModelFactory
 import org.kiwix.kiwixmobile.language.viewmodel.LanguageViewModel
-import org.kiwix.kiwixmobile.di.ViewModelKey
+import org.kiwix.kiwixmobile.core.di.ViewModelKey
 import org.kiwix.kiwixmobile.zim_manager.ZimManageViewModel
 
 @Module

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

@@ -43,6 +43,7 @@ import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil.PREF_KIWIX_MOBILE
 import org.kiwix.kiwixmobile.core.utils.UpdateUtils.reformatProviderUrl
 import org.kiwix.kiwixmobile.core.utils.files.FileUtils
 import org.kiwix.kiwixmobile.kiwixActivityComponent
+import org.kiwix.kiwixmobile.webserver.ZimHostActivity
 import org.kiwix.kiwixmobile.zim_manager.ZimManageActivity
 import java.io.File
 
@@ -116,6 +117,10 @@ class KiwixMainActivity : CoreMainActivity() {
   override fun hasValidFileAndUrl(url: String?, zimFileReader: ZimFileReader?) =
     super.hasValidFileAndUrl(url, zimFileReader) && url != homeUrl
 
+  override fun onHostBooksClicked() {
+    start<ZimHostActivity>()
+  }
+
   override fun urlIsInvalid() =
     super.urlIsInvalid() || currentWebView.url == homeUrl
 

app/src/main/java/org/kiwix/kiwixmobile/webserver/WebServerHelper.java

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.webserver;
+package org.kiwix.kiwixmobile.webserver;
 
 import android.util.Log;
 import androidx.annotation.NonNull;
@@ -29,7 +29,7 @@ import org.kiwix.kiwixlib.JNIKiwixException;
 import org.kiwix.kiwixlib.JNIKiwixLibrary;
 import org.kiwix.kiwixlib.JNIKiwixServer;
 import org.kiwix.kiwixmobile.core.utils.ServerUtils;
-import org.kiwix.kiwixmobile.core.wifi_hotspot.IpAddressCallbacks;
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.IpAddressCallbacks;
 
 import static org.kiwix.kiwixmobile.core.utils.ServerUtils.INVALID_IP;
 

app/src/main/java/org/kiwix/kiwixmobile/webserver/ZimHostActivity.java

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.webserver;
+package org.kiwix.kiwixmobile.webserver;
 
 import android.app.ProgressDialog;
 import android.content.ComponentName;
@@ -39,21 +39,23 @@ import java.util.ArrayList;
 import java.util.List;
 import javax.inject.Inject;
 import kotlin.Unit;
+import org.jetbrains.annotations.NotNull;
+import org.kiwix.kiwixmobile.ActivityExtensionsKt;
 import org.kiwix.kiwixmobile.core.R;
 import org.kiwix.kiwixmobile.core.R2;
 import org.kiwix.kiwixmobile.core.base.BaseActivity;
 import org.kiwix.kiwixmobile.core.utils.AlertDialogShower;
 import org.kiwix.kiwixmobile.core.utils.KiwixDialog;
 import org.kiwix.kiwixmobile.core.utils.ServerUtils;
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotService;
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode;
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BookOnDiskDelegate;
 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.webserver.wifi_hotspot.HotspotService;
 
-import static org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotService.ACTION_CHECK_IP_ADDRESS;
+import static org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.ACTION_CHECK_IP_ADDRESS;
-import static org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotService.ACTION_START_SERVER;
+import static org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.ACTION_START_SERVER;
-import static org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotService.ACTION_STOP_SERVER;
+import static org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotService.ACTION_STOP_SERVER;
 
 public class ZimHostActivity extends BaseActivity implements
   ZimHostCallbacks, ZimHostContract.View {
@@ -82,6 +84,10 @@ public class ZimHostActivity extends BaseActivity implements
   private ServiceConnection serviceConnection;
   private ProgressDialog progressDialog;
 
+  @Override protected void injection() {
+    ActivityExtensionsKt.getKiwixActivityComponent(this).inject(this);
+  }
+
   @Override
   protected void onCreate(@Nullable Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
@@ -289,7 +295,7 @@ public class ZimHostActivity extends BaseActivity implements
     }
   }
 
-  @Override public void addBooks(@Nullable List<BooksOnDiskListItem> books) {
+  @Override public void addBooks(@NotNull List<? extends BooksOnDiskListItem> books) {
     booksAdapter.setItems(books);
   }
 

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

@@ -15,20 +15,12 @@
  * 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)
-import androidx.annotation.NonNull;
+  fun onServerStopped()
-
+  fun onServerFailedToStart()
-public interface ZimHostCallbacks {
+  fun onIpAddressValid()
-
+  fun onIpAddressInvalid()
-  void onServerStarted(@NonNull String ip);
-
-  void onServerStopped();
-
-  void onServerFailedToStart();
-
-  void onIpAddressValid();
-
-  void onIpAddressInvalid();
 }

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

@@ -15,22 +15,17 @@
  * 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
-import java.util.List;
-import org.kiwix.kiwixmobile.core.base.BaseContract;
-import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
 
 class ZimHostContract {
-
+  interface View : BaseContract.View<Presenter> {
-  interface View
+    fun addBooks(books: List<BooksOnDiskListItem>)
-    extends BaseContract.View<ZimHostContract.Presenter> {
-    void addBooks(List<BooksOnDiskListItem> books);
   }
 
-  interface Presenter
+  interface Presenter : BaseContract.Presenter<View> {
-    extends BaseContract.Presenter<ZimHostContract.View> {
+    fun loadBooks()
-    void loadBooks();
   }
 }

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

@@ -15,26 +15,14 @@
  * 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
-import android.app.Activity;
+import org.kiwix.kiwixmobile.core.di.ActivityScope
-import dagger.Module;
-import dagger.Provides;
-import org.kiwix.kiwixmobile.core.di.ActivityScope;
 
 @Module
-public class ZimHostModule {
+abstract class ZimHostModule {
-
+  @ActivityScope @Binds
-  @ActivityScope
+  abstract fun bindsZimHostPresenter(zimHostPresenter: ZimHostPresenter): ZimHostContract.Presenter
-  @Provides
-  ZimHostContract.Presenter provideZimHostPresenter(ZimHostPresenter zimHostPresenter) {
-    return zimHostPresenter;
 }
-
-  @ActivityScope
-  @Provides Activity providesActivity(ZimHostActivity zimHostActivity) {
-    return zimHostActivity;
-  }
-}
-

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

@@ -0,0 +1,56 @@
+/*
+ * 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.webserver
+
+import android.util.Log
+import io.reactivex.SingleObserver
+import io.reactivex.disposables.Disposable
+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 javax.inject.Inject
+
+@ActivityScope
+class ZimHostPresenter @Inject internal constructor(private val dataSource: DataSource) :
+  BasePresenter<View>(),
+  Presenter {
+
+  override fun loadBooks() {
+    dataSource.languageCategorizedBooks
+      .subscribe(object : SingleObserver<List<BooksOnDiskListItem>> {
+        override fun onSubscribe(d: Disposable) {
+          compositeDisposable.add(d)
+        }
+
+        override fun onSuccess(books: List<BooksOnDiskListItem>) {
+          view!!.addBooks(books)
+        }
+
+        override fun onError(e: Throwable) {
+          Log.e(TAG, "Unable to load books", e)
+        }
+      })
+  }
+
+  companion object {
+    private const val TAG = "ZimHostPresenter"
+  }
+}

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

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.wifi_hotspot;
+package org.kiwix.kiwixmobile.webserver.wifi_hotspot;
 
 import android.app.Notification;
 import android.app.NotificationChannel;
@@ -30,7 +30,7 @@ import androidx.core.app.NotificationCompat;
 import javax.inject.Inject;
 import org.kiwix.kiwixmobile.core.R;
 import org.kiwix.kiwixmobile.core.utils.Constants;
-import org.kiwix.kiwixmobile.core.webserver.ZimHostActivity;
+import org.kiwix.kiwixmobile.webserver.ZimHostActivity;
 
 public class HotspotNotificationManager {
 

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

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.wifi_hotspot;
+package org.kiwix.kiwixmobile.webserver.wifi_hotspot;
 
 import android.app.Service;
 import android.content.Intent;
@@ -26,15 +26,15 @@ import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import javax.inject.Inject;
-import org.kiwix.kiwixmobile.core.CoreApp;
+import org.kiwix.kiwixmobile.KiwixApp;
 import org.kiwix.kiwixmobile.core.R;
 import org.kiwix.kiwixmobile.core.extensions.ContextExtensionsKt;
 import org.kiwix.kiwixmobile.core.utils.ServerUtils;
-import org.kiwix.kiwixmobile.core.webserver.WebServerHelper;
+import org.kiwix.kiwixmobile.webserver.WebServerHelper;
-import org.kiwix.kiwixmobile.core.webserver.ZimHostCallbacks;
+import org.kiwix.kiwixmobile.webserver.ZimHostCallbacks;
 
-import static org.kiwix.kiwixmobile.core.webserver.ZimHostActivity.SELECTED_ZIM_PATHS_KEY;
+import static org.kiwix.kiwixmobile.webserver.ZimHostActivity.SELECTED_ZIM_PATHS_KEY;
-import static org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotNotificationManager.HOTSPOT_NOTIFICATION_ID;
+import static org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotNotificationManager.HOTSPOT_NOTIFICATION_ID;
 
 /**
  * HotspotService is used to add a foreground service for the wifi hotspot.
@@ -59,7 +59,7 @@ public class HotspotService extends Service
   HotspotStateReceiver hotspotStateReceiver;
 
   @Override public void onCreate() {
-    CoreApp.getCoreComponent()
+    ((KiwixApp) this.getApplicationContext()).getKiwixComponent()
       .serviceComponent()
       .service(this)
       .build()

app/src/main/java/org/kiwix/kiwixmobile/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.core.wifi_hotspot
+package org.kiwix.kiwixmobile.webserver.wifi_hotspot
 
 import android.content.Context
 import android.content.Intent
-import org.kiwix.kiwixmobile.core.wifi_hotspot.HotspotStateReceiver.HotspotState.DISABLED
 import org.kiwix.kiwixmobile.core.base.BaseBroadcastReceiver
+import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotStateReceiver.HotspotState.DISABLED
 import javax.inject.Inject
 
 const val EXTRA_WIFI_AP_STATE = "wifi_state"
@@ -32,7 +32,8 @@ const val WIFI_AP_STATE_ENABLING = 12
 const val WIFI_AP_STATE_ENABLED = 13
 const val WIFI_AP_STATE_FAILED = 14
 
-class HotspotStateReceiver @Inject constructor(val callback: Callback) : BaseBroadcastReceiver() {
+class HotspotStateReceiver @Inject constructor(private val callback: Callback) :
+  BaseBroadcastReceiver() {
   override val action: String = ACTION_WIFI_AP_STATE
 
   override fun onIntentWithActionReceived(context: Context, intent: Intent) {

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

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.core.wifi_hotspot;
+package org.kiwix.kiwixmobile.webserver.wifi_hotspot;
 
 public interface IpAddressCallbacks {
 

core/src/main/AndroidManifest.xml

@@ -8,8 +8,6 @@
   <uses-permission android:name="android.permission.INTERNET" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-  <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
-  <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 
   <!-- Device with versions >= Pie need this permission -->
   <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
@@ -47,7 +45,6 @@
 
     <activity android:name=".search.SearchActivity" />
     <activity android:name=".bookmark.BookmarksActivity" />
-    <activity android:name=".webserver.ZimHostActivity" />
 
     <provider
       android:name=".reader.ZimContentProvider"
@@ -68,7 +65,6 @@
         android:resource="@xml/kiwix_widget_provider_info" />
     </receiver>
 
-    <service android:name=".wifi_hotspot.HotspotService" />
 
     <activity
       android:name=".error.ErrorActivity"

core/src/main/java/org/kiwix/kiwixmobile/core/di/ViewModelKey.kt

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.di
+package org.kiwix.kiwixmobile.core.di
 
 import androidx.lifecycle.ViewModel
 import dagger.MapKey

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

@@ -18,12 +18,14 @@
 package org.kiwix.kiwixmobile.core.di.components
 
 import android.app.Application
+import android.app.NotificationManager
 import android.content.Context
 import android.net.ConnectivityManager
 import dagger.BindsInstance
 import dagger.Component
 import eu.mhutti1.utils.storage.StorageSelectDialog
 import org.kiwix.kiwixmobile.core.CoreApp
+import org.kiwix.kiwixmobile.core.StorageObserver
 import org.kiwix.kiwixmobile.core.dao.FetchDownloadDao
 import org.kiwix.kiwixmobile.core.dao.NewBookDao
 import org.kiwix.kiwixmobile.core.dao.NewLanguagesDao
@@ -43,7 +45,6 @@ import org.kiwix.kiwixmobile.core.search.AutoCompleteAdapter
 import org.kiwix.kiwixmobile.core.settings.CorePrefsFragment
 import org.kiwix.kiwixmobile.core.utils.BookUtils
 import org.kiwix.kiwixmobile.core.utils.SharedPreferenceUtil
-import org.kiwix.kiwixmobile.core.StorageObserver
 import javax.inject.Singleton
 
 @Singleton
@@ -64,7 +65,6 @@ interface CoreComponent {
     fun build(): CoreComponent
   }
 
-  fun serviceComponent(): ServiceComponent.Builder
   fun zimReaderContainer(): ZimReaderContainer
   fun sharedPrefUtil(): SharedPreferenceUtil
   fun zimFileReaderFactory(): ZimFileReader.Factory
@@ -79,6 +79,7 @@ interface CoreComponent {
   fun connectivityManager(): ConnectivityManager
   fun context(): Context
   fun downloader(): Downloader
+  fun notificationManager(): NotificationManager
 
   fun inject(application: CoreApp)
   fun inject(zimContentProvider: ZimContentProvider)

core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/ActivityBindingModule.java

@@ -31,8 +31,6 @@ import org.kiwix.kiwixmobile.core.intro.IntroActivity;
 import org.kiwix.kiwixmobile.core.intro.IntroModule;
 import org.kiwix.kiwixmobile.core.search.SearchActivity;
 import org.kiwix.kiwixmobile.core.splash.SplashActivity;
-import org.kiwix.kiwixmobile.core.webserver.ZimHostActivity;
-import org.kiwix.kiwixmobile.core.webserver.ZimHostModule;
 
 /**
  * Dagger.Android annotation processor will create the sub-components. We also specify the modules
@@ -70,8 +68,4 @@ public abstract class ActivityBindingModule {
   @ActivityScope
   @ContributesAndroidInjector
   public abstract HelpActivity provideHelpActivity();
-
-  @ActivityScope
-  @ContributesAndroidInjector(modules = ZimHostModule.class)
-  public abstract ZimHostActivity provideZimHostActivity();
 }

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

@@ -112,7 +112,6 @@ import org.kiwix.kiwixmobile.core.utils.LanguageUtils;
 import org.kiwix.kiwixmobile.core.utils.NetworkUtils;
 import org.kiwix.kiwixmobile.core.utils.StyleUtils;
 import org.kiwix.kiwixmobile.core.utils.files.FileUtils;
-import org.kiwix.kiwixmobile.core.webserver.ZimHostActivity;
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BookOnDiskDelegate;
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskAdapter;
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem;
@@ -889,13 +888,14 @@ public abstract class CoreMainActivity extends BaseActivity implements WebViewCa
       intentSupportKiwix.putExtra(EXTRA_EXTERNAL_LINK, true);
       openExternalUrl(intentSupportKiwix);
     } else if (itemId == R.id.menu_host_books) {
-      Intent intent = new Intent(this, ZimHostActivity.class);
+      onHostBooksClicked();
-      startActivity(intent);
     }
 
     return super.onOptionsItemSelected(item);
   }
 
+  protected abstract void onHostBooksClicked();
+
   protected abstract void createNewTab();
 
   /** Creates the full screen AddNoteDialog, which is a DialogFragment */

core/src/main/java/org/kiwix/kiwixmobile/core/webserver/ZimHostPresenter.java

@@ -1,62 +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.webserver;
-
-import android.util.Log;
-import io.reactivex.SingleObserver;
-import io.reactivex.disposables.Disposable;
-import java.util.List;
-import javax.inject.Inject;
-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;
-
-@ActivityScope
-class ZimHostPresenter extends BasePresenter<ZimHostContract.View>
-  implements ZimHostContract.Presenter {
-
-  private static final String TAG = "ZimHostPresenter";
-  private final DataSource dataSource;
-
-  @Inject ZimHostPresenter(DataSource dataSource) {
-    this.dataSource = dataSource;
-  }
-
-  @Override
-  public void loadBooks() {
-    dataSource.getLanguageCategorizedBooks()
-      .subscribe(new SingleObserver<List<BooksOnDiskListItem>>() {
-        @Override
-        public void onSubscribe(Disposable d) {
-          compositeDisposable.add(d);
-        }
-
-        @Override
-        public void onSuccess(List<BooksOnDiskListItem> books) {
-          view.addBooks(books);
-        }
-
-        @Override
-        public void onError(Throwable e) {
-          Log.e(TAG, "Unable to load books", e);
-        }
-      });
-  }
-}

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

@@ -25,7 +25,7 @@ import dagger.Module
 import dagger.multibindings.IntoMap
 import org.kiwix.kiwixmobile.custom.CustomViewModelFactory
 import org.kiwix.kiwixmobile.custom.download.CustomDownloadViewModel
-import org.kiwix.kiwixmobile.di.ViewModelKey
+import org.kiwix.kiwixmobile.core.di.ViewModelKey
 
 @Module
 abstract class CustomViewModelModule {

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

@@ -74,9 +74,14 @@ class CustomMainActivity : CoreMainActivity() {
     val onCreateOptionsMenu = super.onCreateOptionsMenu(menu)
     menu?.findItem(R.id.menu_help)?.isVisible = false
     menu?.findItem(R.id.menu_openfile)?.isVisible = false
+    menu?.findItem(R.id.menu_host_books)?.isVisible = false
     return onCreateOptionsMenu
   }
 
+  override fun onHostBooksClicked() {
+    TODO("not implemented")
+  }
+
   override fun createWebClient(
     webViewCallback: WebViewCallback,
     zimReaderContainer: ZimReaderContainer