#2159 merge with 2147 and implementation of BaseFragmentActivityExtensions in NavHostFragment

app/detekt_baseline.xml

@@ -5,7 +5,7 @@
     <ID>EmptyFunctionBlock:None.kt$None${ }</ID>
     <ID>EmptyFunctionBlock:SimplePageChangeListener.kt$SimplePageChangeListener${ }</ID>
     <ID>EmptyFunctionBlock:ZimHostActivity.kt$ZimHostActivity.&lt;no name provided&gt;${}</ID>
-    <ID>ForbiddenComment:KiwixMainFragment.kt$KiwixMainFragment$// TODO: Show to user</ID>
+    <ID>ForbiddenComment:KiwixReaderFragment.kt$KiwixReaderFragment$// TODO: Show to user</ID>
     <ID>ForbiddenComment:ReaderFragment.kt$ReaderFragment$// TODO: Show to user</ID>
     <ID>LongParameterList:ZimManageViewModel.kt$ZimManageViewModel$( booksOnFileSystem: List&lt;BookOnDisk&gt;, activeDownloads: List&lt;DownloadModel&gt;, allLanguages: List&lt;Language&gt;, libraryNetworkEntity: LibraryNetworkEntity, filter: String, fileSystemState: FileSystemState )</ID>
     <ID>MagicNumber:LibraryListItem.kt$LibraryListItem.LibraryDownloadItem$1000L</ID>
@@ -46,7 +46,7 @@
     <ID>ReturnCount:Fat32Checker.kt$Fat32Checker$private fun canCreate4GbFile(storage: String): Boolean</ID>
     <ID>ReturnCount:LanguageActivity.kt$LanguageActivity$override fun onOptionsItemSelected(item: MenuItem): Boolean</ID>
     <ID>TooGenericExceptionCaught:FileWritingFileSystemChecker.kt$FileWritingFileSystemChecker$e: Exception</ID>
-    <ID>TooGenericExceptionCaught:KiwixMainFragment.kt$KiwixMainFragment$e: Exception</ID>
+    <ID>TooGenericExceptionCaught:KiwixReaderFragment.kt$KiwixReaderFragment$e: Exception</ID>
     <ID>TooGenericExceptionCaught:ReaderFragment.kt$ReaderFragment$e: Exception</ID>
     <ID>TooGenericExceptionThrown:ActivityExtensions.kt$throw RuntimeException( """ applicationContext is ${applicationContext::class.java.simpleName} application is ${application::class.java.simpleName} """.trimIndent() )</ID>
     <ID>TooGenericExceptionThrown:LibraryViewHolder.kt$LibraryViewHolder.LibraryBookViewHolder$throw RuntimeException("impossible invalid state: ${item.fileSystemState}")</ID>

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

@@ -27,10 +27,10 @@ import org.kiwix.kiwixmobile.intro.IntroModule
 import org.kiwix.kiwixmobile.language.LanguageActivity
 import org.kiwix.kiwixmobile.local_file_transfer.LocalFileTransferActivity
 import org.kiwix.kiwixmobile.main.KiwixMainActivity
-import org.kiwix.kiwixmobile.main.KiwixMainFragment
 import org.kiwix.kiwixmobile.main.KiwixNewNavigationActivity
-import org.kiwix.kiwixmobile.nav.destination.library.OnlineLibraryFragment
+import org.kiwix.kiwixmobile.main.KiwixReaderFragment
 import org.kiwix.kiwixmobile.nav.destination.library.LocalLibraryFragment
+import org.kiwix.kiwixmobile.nav.destination.library.OnlineLibraryFragment
 import org.kiwix.kiwixmobile.nav.destination.reader.ReaderFragment
 import org.kiwix.kiwixmobile.settings.KiwixSettingsActivity
 import org.kiwix.kiwixmobile.splash.KiwixSplashActivity
@@ -63,9 +63,9 @@ interface KiwixActivityComponent {
   fun inject(zimHostActivity: ZimHostActivity)
   fun inject(introActivity: IntroActivity)
   fun inject(kiwixSplashActivity: KiwixSplashActivity)
-  fun inject(kiwixMainFragment: KiwixMainFragment)
   fun inject(kiwixNewNavigationActivity: KiwixNewNavigationActivity)
   fun inject(onlineLibraryFragment: OnlineLibraryFragment)
+  fun inject(kiwixMainFragment: KiwixReaderFragment)
 
   @Subcomponent.Builder
   interface Builder {

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

@@ -18,11 +18,8 @@
 
 package org.kiwix.kiwixmobile.main
 
-import android.content.Intent
 import android.os.Bundle
-import android.view.ActionMode
 import org.kiwix.kiwixmobile.R
-import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
 import org.kiwix.kiwixmobile.core.di.components.CoreComponent
 import org.kiwix.kiwixmobile.core.main.CoreMainActivity
 import org.kiwix.kiwixmobile.kiwixActivityComponent
@@ -32,35 +29,6 @@ class KiwixMainActivity : CoreMainActivity() {
     kiwixActivityComponent.inject(this)
   }
 
-  override fun onActionModeStarted(mode: ActionMode) {
-    super.onActionModeStarted(mode)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onActionModeStarted(mode, this)
-    }
-  }
-
-  override fun onActionModeFinished(mode: ActionMode) {
-    super.onActionModeFinished(mode)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onActionModeFinished(mode, this)
-    }
-  }
-
-  override fun onBackPressed() {
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      if (it.onBackPressed(this) == BaseFragmentActivityExtensions.Super.ShouldCall) {
-        super.onBackPressed()
-      }
-    }
-  }
-
-  override fun onNewIntent(intent: Intent) {
-    super.onNewIntent(intent)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onNewIntent(intent, this)
-    }
-  }
-
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_kiwix_new_navigation)
@@ -69,6 +37,6 @@ class KiwixMainActivity : CoreMainActivity() {
       return
     }
     supportFragmentManager.beginTransaction()
-      .add(R.id.kiwix_fragment_containter, KiwixMainFragment()).commit()
+      .add(R.id.kiwix_fragment_containter, KiwixReaderFragment()).commit()
   }
 }

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

@@ -30,10 +30,10 @@ import com.google.android.material.bottomnavigation.BottomNavigationView
 import org.kiwix.kiwixmobile.R
 import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
 import org.kiwix.kiwixmobile.core.di.components.CoreComponent
-import org.kiwix.kiwixmobile.core.main.CoreNewNavigationActivity
+import org.kiwix.kiwixmobile.core.main.CoreMainActivity
 import org.kiwix.kiwixmobile.kiwixActivityComponent
 
-class KiwixNewNavigationActivity : CoreNewNavigationActivity() {
+class KiwixNewNavigationActivity : CoreMainActivity() {
   private lateinit var navController: NavController
   private lateinit var appBarConfiguration: AppBarConfiguration
   override fun injection(coreComponent: CoreComponent) {

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

@@ -53,7 +53,7 @@ import org.kiwix.kiwixmobile.webserver.ZimHostActivity
 import org.kiwix.kiwixmobile.zim_manager.ZimManageActivity
 import java.io.File
 
-class KiwixMainFragment : CoreReaderFragment() {
+class KiwixReaderFragment : CoreReaderFragment() {
 
   override fun inject(baseActivity: BaseActivity) {
     baseActivity.kiwixActivityComponent.inject(this)

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

@@ -19,11 +19,87 @@
 package org.kiwix.kiwixmobile.main
 
 import android.content.Intent
+import android.view.ActionMode
+import android.view.Menu
+import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.fragment.NavHostFragment
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super.ShouldCall
+import org.kiwix.kiwixmobile.core.main.KiwixWebView
+import org.kiwix.kiwixmobile.core.main.WebViewProvider
 
-class NavigationHostFragment : NavHostFragment() {
+class NavigationHostFragment : NavHostFragment(), WebViewProvider, BaseFragmentActivityExtensions {
   override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
     super.onActivityResult(requestCode, resultCode, data)
     childFragmentManager.fragments.forEach { it.onActivityResult(requestCode, resultCode, data) }
   }
+
+  override fun getCurrentWebView(): KiwixWebView? {
+    return childFragmentManager.fragments.filterIsInstance<WebViewProvider>().firstOrNull()
+      ?.getCurrentWebView()
+  }
+
+  override fun onRequestPermissionsResult(
+    requestCode: Int,
+    permissions: Array<out String>,
+    grantResults: IntArray
+  ) {
+    super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    childFragmentManager.fragments.forEach {
+      it.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    }
+  }
+
+  override fun onActionModeStarted(
+    actionMode: ActionMode,
+    activity: AppCompatActivity
+  ): Super {
+    var result = ShouldCall
+    childFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      result = it.onActionModeStarted(actionMode, activity)
+    }
+    return result
+  }
+
+  override fun onActionModeFinished(
+    actionMode: ActionMode,
+    activity: AppCompatActivity
+  ): Super {
+    var result = ShouldCall
+    childFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      result = it.onActionModeFinished(actionMode, activity)
+    }
+    return result
+  }
+
+  override fun onBackPressed(activity: AppCompatActivity): Super {
+    var result = ShouldCall
+    childFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      result = it.onBackPressed(activity)
+    }
+    return result
+  }
+
+  override fun onNewIntent(
+    intent: Intent,
+    activity: AppCompatActivity
+  ): Super {
+    var result = ShouldCall
+    childFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      result = it.onNewIntent(intent, activity)
+    }
+    return result
+  }
+
+  override fun onCreateOptionsMenu(
+    menu: Menu,
+    activity: AppCompatActivity
+  ): Super {
+    var result = ShouldCall
+    childFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      result = it.onCreateOptionsMenu(menu, activity)
+    }
+    return result
+  }
 }

core/src/main/java/org/kiwix/kiwixmobile/core/base/BaseFragmentActivityExtensions.kt

@@ -22,16 +22,17 @@ import android.content.Intent
 import android.view.ActionMode
 import android.view.Menu
 import androidx.appcompat.app.AppCompatActivity
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super.ShouldCall
 
 interface BaseFragmentActivityExtensions {
   enum class Super {
     ShouldCall,
-    DontCall
+    ShouldNotCall
   }
 
-  fun onActionModeStarted(actionMode: ActionMode, activity: AppCompatActivity): Super
+  fun onActionModeStarted(actionMode: ActionMode, activity: AppCompatActivity): Super = ShouldCall
-  fun onActionModeFinished(actionMode: ActionMode, activity: AppCompatActivity): Super
+  fun onActionModeFinished(actionMode: ActionMode, activity: AppCompatActivity): Super = ShouldCall
-  fun onBackPressed(activity: AppCompatActivity): Super
+  fun onBackPressed(activity: AppCompatActivity): Super = ShouldCall
-  fun onNewIntent(intent: Intent, activity: AppCompatActivity): Super
+  fun onNewIntent(intent: Intent, activity: AppCompatActivity): Super = ShouldCall
-  fun onCreateOptionsMenu(menu: Menu, activity: AppCompatActivity): Super
+  fun onCreateOptionsMenu(menu: Menu, activity: AppCompatActivity): Super = ShouldCall
 }

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

@@ -1,50 +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.main;
-
-import android.content.Intent;
-import android.os.Bundle;
-import androidx.fragment.app.Fragment;
-import org.jetbrains.annotations.Nullable;
-import org.kiwix.kiwixmobile.core.R;
-import org.kiwix.kiwixmobile.core.base.BaseActivity;
-
-public abstract class CoreMainActivity extends BaseActivity implements WebViewProvider {
-  @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-  }
-
-  @Override protected void onActivityResult(int requestCode, int resultCode,
-    @androidx.annotation.Nullable Intent data) {
-    super.onActivityResult(requestCode, resultCode, data);
-
-    for (Fragment it : getSupportFragmentManager().getFragments()) {
-      it.onActivityResult(requestCode, resultCode, data);
-    }
-  }
-
-  @androidx.annotation.Nullable @Override public KiwixWebView getCurrentWebView() {
-    for (Fragment frag : getSupportFragmentManager().getFragments()) {
-      if (frag instanceof WebViewProvider) {
-        return ((WebViewProvider) frag).getCurrentWebView();
-      }
-    }
-    return null;
-  }
-}

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

@@ -0,0 +1,83 @@
+/*
+ * 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.main
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.ActionMode
+import org.kiwix.kiwixmobile.core.R
+import org.kiwix.kiwixmobile.core.base.BaseActivity
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super.ShouldCall
+
+abstract class CoreMainActivity : BaseActivity(), WebViewProvider {
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_main)
+  }
+
+  override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+    super.onActivityResult(requestCode, resultCode, data)
+    supportFragmentManager.fragments.forEach { it.onActivityResult(requestCode, resultCode, data) }
+  }
+
+  override fun onRequestPermissionsResult(
+    requestCode: Int,
+    permissions: Array<out String>,
+    grantResults: IntArray
+  ) {
+    super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    supportFragmentManager.fragments.forEach {
+      it.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    }
+  }
+
+  override fun onActionModeStarted(mode: ActionMode) {
+    super.onActionModeStarted(mode)
+    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      it.onActionModeStarted(mode, this)
+    }
+  }
+
+  override fun onActionModeFinished(mode: ActionMode) {
+    super.onActionModeFinished(mode)
+    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      it.onActionModeFinished(mode, this)
+    }
+  }
+
+  override fun onBackPressed() {
+    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      if (it.onBackPressed(this) == ShouldCall) {
+        super.onBackPressed()
+      }
+    }
+  }
+
+  override fun onNewIntent(intent: Intent) {
+    super.onNewIntent(intent)
+    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
+      it.onNewIntent(intent, this)
+    }
+  }
+
+  override fun getCurrentWebView(): KiwixWebView? {
+    return supportFragmentManager.fragments.filterIsInstance<WebViewProvider>().firstOrNull()
+      ?.getCurrentWebView()
+  }
+}

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

@@ -1,39 +0,0 @@
-/*
- * Kiwix Android
- * Copyright (c) 2020 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.main;
-
-import android.content.Intent;
-import androidx.fragment.app.Fragment;
-import org.kiwix.kiwixmobile.core.base.BaseActivity;
-
-public abstract class CoreNewNavigationActivity extends BaseActivity {
-
-  @Override protected void onActivityResult(int requestCode, int resultCode,
-    @androidx.annotation.Nullable Intent data) {
-    super.onActivityResult(requestCode, resultCode, data);
-
-    for (Fragment it : getSupportFragmentManager().getFragments()) {
-      it.onActivityResult(requestCode, resultCode, data);
-    }
-  }
-
-  @Override public void setContentView(int layoutResID) {
-    super.setContentView(layoutResID);
-  }
-}

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

@@ -300,13 +300,12 @@ public abstract class CoreReaderFragment extends BaseFragment
       getActivity().getMenuInflater().inflate(R.menu.menu_webview_action, menu);
       configureWebViewSelectionHandler(menu);
     }
-
     return Super.ShouldCall;
   }
 
   @NotNull @Override public Super onActionModeFinished(@NotNull ActionMode actionMode,
     @NotNull AppCompatActivity activity) {
-    actionMode = null;
+    this.actionMode = null;
     return Super.ShouldCall;
   }
 
@@ -654,7 +653,7 @@ public abstract class CoreReaderFragment extends BaseFragment
     } else {
       return Super.ShouldCall;
     }
-    return Super.DontCall;
+    return Super.ShouldNotCall;
   }
 
   private void checkForRateDialog() {

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

@@ -23,6 +23,7 @@ import android.view.Menu
 import android.view.MenuItem
 import android.widget.TextView
 import androidx.core.view.isVisible
+import org.kiwix.kiwixmobile.core.BuildConfig
 import org.kiwix.kiwixmobile.core.Intents.internal
 import org.kiwix.kiwixmobile.core.R
 import org.kiwix.kiwixmobile.core.extensions.ActivityExtensions.intent
@@ -108,6 +109,9 @@ class MainMenu(
       tabSwitcher = null
       tabSwitcherTextView = null
     }
+
+    newNavigation.isVisible = BuildConfig.DEBUG
+
     randomArticle.setShowAsAction(
       if (activity.resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE)
         MenuItem.SHOW_AS_ACTION_IF_ROOM

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

@@ -18,10 +18,7 @@
 
 package org.kiwix.kiwixmobile.custom.main
 
-import android.content.Intent
 import android.os.Bundle
-import android.view.ActionMode
-import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
 import org.kiwix.kiwixmobile.core.di.components.CoreComponent
 import org.kiwix.kiwixmobile.core.main.CoreMainActivity
 import org.kiwix.kiwixmobile.custom.R
@@ -35,35 +32,6 @@ class CustomMainActivity : CoreMainActivity() {
     customActivityComponent.inject(this)
   }
 
-  override fun onActionModeStarted(mode: ActionMode) {
-    super.onActionModeStarted(mode)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onActionModeStarted(mode, this)
-    }
-  }
-
-  override fun onActionModeFinished(mode: ActionMode) {
-    super.onActionModeFinished(mode)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onActionModeFinished(mode, this)
-    }
-  }
-
-  override fun onBackPressed() {
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      if (it.onBackPressed(this) == BaseFragmentActivityExtensions.Super.ShouldCall) {
-        super.onBackPressed()
-      }
-    }
-  }
-
-  override fun onNewIntent(intent: Intent) {
-    super.onNewIntent(intent)
-    supportFragmentManager.fragments.filterIsInstance<BaseFragmentActivityExtensions>().forEach {
-      it.onNewIntent(intent, this)
-    }
-  }
-
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_main)

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

@@ -40,11 +40,13 @@ import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.drawerlayout.widget.DrawerLayout
 import org.kiwix.kiwixmobile.core.base.BaseActivity
-import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super
+import org.kiwix.kiwixmobile.core.base.BaseFragmentActivityExtensions.Super.ShouldCall
 import org.kiwix.kiwixmobile.core.extensions.ActivityExtensions.start
 import org.kiwix.kiwixmobile.core.main.CoreReaderFragment
 import org.kiwix.kiwixmobile.core.main.MainMenu
 import org.kiwix.kiwixmobile.core.main.WebViewCallback
+import org.kiwix.kiwixmobile.core.reader.ZimFileReader.Companion.CONTENT_PREFIX
 import org.kiwix.kiwixmobile.core.reader.ZimReaderContainer
 import org.kiwix.kiwixmobile.core.utils.DialogShower
 import org.kiwix.kiwixmobile.core.utils.KiwixDialog
@@ -120,6 +122,14 @@ class CustomReaderFragment : CoreReaderFragment() {
     )
   }
 
+  override fun onBackPressed(activity: AppCompatActivity): Super {
+    val result = super.onBackPressed(activity)
+    if (zimReaderContainer.mainPage == getCurrentWebView().url.substringAfter(CONTENT_PREFIX)) {
+      return ShouldCall
+    }
+    return result
+  }
+
   override fun onRequestPermissionsResult(
     requestCode: Int,
     permissions: Array<out String>,
@@ -151,18 +161,12 @@ class CustomReaderFragment : CoreReaderFragment() {
 
   override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
     super.onCreateOptionsMenu(menu, inflater)
-    val onCreateOptionsMenu = super.onCreateOptionsMenu(menu, requireActivity().menuInflater)
     menu.findItem(R.id.menu_help)?.isVisible = false
     menu.findItem(R.id.menu_new_navigation)?.isVisible = false
     menu.findItem(R.id.menu_openfile)?.isVisible = false
     menu.findItem(R.id.menu_host_books)?.isVisible = false
   }
 
-  override fun onCreateOptionsMenu(
-    menu: Menu,
-    activity: AppCompatActivity
-  ): BaseFragmentActivityExtensions.Super = BaseFragmentActivityExtensions.Super.ShouldCall
-
   override fun getIconResId() = R.mipmap.ic_launcher
 
   override fun createWebClient(