Merge pull request #2553 from kiwix/release/3.4.3

Release/3.4.3

CHANGELOG

@@ -1,3 +1,11 @@
+3.4.3
+NEW: Updated translations
+BUGFIX: Video seek was not working
+BUGFIX: Back button in history and bookmarks toolbar always took to library
+BUGFIX: Books hosted from android client were not updating on browser dynamically
+BUGFIX: Creating multiple tabs was causing `loading` in previously opened tabs
+BUGFIX: Messages displayed when no books are present were inconsistent typographically
+
 3.4.2
 NEW: Service worker support for war2c zim files
 NEW: Updated translations

app/build.gradle.kts

@@ -11,7 +11,7 @@ apply(from = rootProject.file("jacoco.gradle"))
 ext {
   set("versionMajor", 3)
   set("versionMinor", 4)
-  set("versionPatch", 2)
+  set("versionPatch", 3)
 }
 
 fun generateVersionName() = "${ext["versionMajor"]}.${ext["versionMinor"]}.${ext["versionPatch"]}"

app/src/main/assets/credits.html

@@ -24,9 +24,12 @@ Abdul Wadood<br>
 Adeel Zafar<br>
 Aditya Sood<br>
 Ayoub Dardory<br>
+Ayush Shrivastava<br>
 Christian Pühringer<br>
 Elad Keyshawn<br>
 Emmanuel Engelhart<br>
+Frans-Lukas Lövenvald<br>
+Gourishankar Panda<br>
 Isaac Hutt<br>
 Joseph E. Reeve<br>
 Julian Harty<br>

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

@@ -23,9 +23,8 @@ import android.app.Service
 import android.content.Context
 import dagger.Module
 import dagger.Provides
-import org.kiwix.kiwixlib.JNIKiwixServer
-import org.kiwix.kiwixlib.Library
 import org.kiwix.kiwixmobile.di.ServiceScope
+import org.kiwix.kiwixmobile.webserver.KiwixServer
 import org.kiwix.kiwixmobile.webserver.WebServerHelper
 import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotNotificationManager
 import org.kiwix.kiwixmobile.webserver.wifi_hotspot.HotspotStateReceiver
@@ -38,25 +37,15 @@ class ServiceModule {
   @Provides
   @ServiceScope
   fun providesWebServerHelper(
-    jniKiwixLibrary: Library,
-    kiwixServer: JNIKiwixServer,
+    kiwixServerFactory: KiwixServer.Factory,
     ipAddressCallbacks: IpAddressCallbacks
-  ): WebServerHelper = WebServerHelper(jniKiwixLibrary, kiwixServer, ipAddressCallbacks)
+  ): WebServerHelper = WebServerHelper(kiwixServerFactory, ipAddressCallbacks)
 
   @Provides
   @ServiceScope
   fun providesIpAddressCallbacks(service: Service): IpAddressCallbacks =
     service as IpAddressCallbacks
 
-  @Provides
-  @ServiceScope
-  fun providesLibrary(): Library = Library()
-
-  @Provides
-  @ServiceScope
-  fun providesJNIKiwixServer(jniKiwixLibrary: Library): JNIKiwixServer =
-    JNIKiwixServer(jniKiwixLibrary)
-
   @Provides
   @ServiceScope
   fun providesHotspotNotificationManager(

app/src/main/java/org/kiwix/kiwixmobile/intro/IntroFragment.kt

@@ -23,8 +23,8 @@ import android.os.Looper
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.isVisible
+import androidx.navigation.fragment.findNavController
 import androidx.viewpager.widget.ViewPager
 import kotlinx.android.synthetic.main.fragment_intro.get_started
 import kotlinx.android.synthetic.main.fragment_intro.tab_indicator
@@ -35,7 +35,6 @@ import org.kiwix.kiwixmobile.cachedComponent
 import org.kiwix.kiwixmobile.core.base.BaseActivity
 import org.kiwix.kiwixmobile.core.base.BaseFragment
 import org.kiwix.kiwixmobile.core.base.FragmentActivityExtensions
-import org.kiwix.kiwixmobile.main.KiwixMainActivity
 import org.kiwix.kiwixmobile.zim_manager.SimplePageChangeListener
 import java.util.Timer
 import java.util.TimerTask
@@ -103,15 +102,10 @@ class IntroFragment : BaseFragment(), IntroContract.View, FragmentActivityExtens
     views = emptyArray()
   }
 
-  override fun onBackPressed(activity: AppCompatActivity): FragmentActivityExtensions.Super {
-    activity.finish()
-    return super.onBackPressed(activity)
-  }
-
   private fun navigateToLibrary() {
     dismissAutoRotate()
     presenter.setIntroShown()
-    (requireActivity() as KiwixMainActivity).navController.popBackStack()
+    findNavController().navigate(IntroFragmentDirections.actionIntrofragmentToLibraryFragment())
   }
 
   private fun updateView(position: Int) {

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

@@ -38,6 +38,7 @@ import org.kiwix.kiwixmobile.core.base.FragmentActivityExtensions
 import org.kiwix.kiwixmobile.core.di.components.CoreComponent
 import org.kiwix.kiwixmobile.core.main.CoreMainActivity
 import org.kiwix.kiwixmobile.kiwixActivityComponent
+import org.kiwix.kiwixmobile.nav.destination.library.LocalLibraryFragmentDirections
 
 const val NAVIGATE_TO_ZIM_HOST_FRAGMENT = "navigate_to_zim_host_fragment"
 
@@ -94,7 +95,7 @@ class KiwixMainActivity : CoreMainActivity() {
       }
     }
     if (sharedPreferenceUtil.showIntro()) {
-      navigate(R.id.introFragment)
+      navigate(LocalLibraryFragmentDirections.actionLibraryFragmentToIntrofragment())
     }
   }
 

app/src/main/java/org/kiwix/kiwixmobile/nav/destination/reader/KiwixReaderFragment.kt

@@ -251,7 +251,9 @@ class KiwixReaderFragment : CoreReaderFragment() {
     val zimFile = settings.getString(TAG_CURRENT_FILE, null)
 
     if (zimFile != null) {
-      openZimFile(File(zimFile))
+      if (zimReaderContainer.zimFile == null) {
+        openZimFile(File(zimFile))
+      }
     } else {
       getCurrentWebView().snack(R.string.zim_not_opened)
     }

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

@@ -0,0 +1,51 @@
+/*
+ * 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.webserver
+
+import android.util.Log
+import org.kiwix.kiwixlib.JNIKiwixException
+import org.kiwix.kiwixlib.JNIKiwixServer
+import org.kiwix.kiwixlib.Library
+import javax.inject.Inject
+
+private const val TAG = "KiwixServer"
+
+class KiwixServer @Inject constructor(private val jniKiwixServer: JNIKiwixServer) {
+
+  class Factory @Inject constructor() {
+    fun createKiwixServer(selectedBooksPath: ArrayList<String>): KiwixServer {
+      val kiwixLibrary = Library()
+      selectedBooksPath.forEach { path ->
+        try {
+          kiwixLibrary.addBook(path)
+        } catch (e: JNIKiwixException) {
+          Log.v(TAG, "Couldn't add book with path:{ $path }")
+        }
+      }
+      return KiwixServer(JNIKiwixServer(kiwixLibrary))
+    }
+  }
+
+  fun startServer(port: Int): Boolean {
+    jniKiwixServer.setPort(port)
+    return jniKiwixServer.start()
+  }
+
+  fun stopServer() = jniKiwixServer.stop()
+}

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

@@ -25,9 +25,7 @@ import io.reactivex.android.schedulers.AndroidSchedulers;
 import java.util.ArrayList;
 import java.util.concurrent.TimeUnit;
 import javax.inject.Inject;
-import org.kiwix.kiwixlib.JNIKiwixException;
 import org.kiwix.kiwixlib.JNIKiwixServer;
-import org.kiwix.kiwixlib.Library;
 import org.kiwix.kiwixmobile.core.utils.ServerUtils;
 import org.kiwix.kiwixmobile.webserver.wifi_hotspot.IpAddressCallbacks;
 
@@ -41,15 +39,14 @@ import static org.kiwix.kiwixmobile.core.utils.ServerUtils.INVALID_IP;
 
 public class WebServerHelper {
   private static final String TAG = "WebServerHelper";
-  private Library kiwixLibrary;
-  private JNIKiwixServer kiwixServer;
+  private KiwixServer kiwixServer;
+  private KiwixServer.Factory kiwixServerFactory;
   private IpAddressCallbacks ipAddressCallbacks;
   private boolean isServerStarted;
 
-  @Inject public WebServerHelper(@NonNull Library kiwixLibrary,
-    @NonNull JNIKiwixServer kiwixServer, @NonNull IpAddressCallbacks ipAddressCallbacks) {
-    this.kiwixLibrary = kiwixLibrary;
-    this.kiwixServer = kiwixServer;
+  @Inject public WebServerHelper(@NonNull KiwixServer.Factory kiwixServerFactory,
+    @NonNull IpAddressCallbacks ipAddressCallbacks) {
+    this.kiwixServerFactory = kiwixServerFactory;
     this.ipAddressCallbacks = ipAddressCallbacks;
   }
 
@@ -65,7 +62,7 @@ public class WebServerHelper {
 
   public void stopAndroidWebServer() {
     if (isServerStarted) {
-      kiwixServer.stop();
+      kiwixServer.stopServer();
       updateServerState(false);
     }
   }
@@ -74,17 +71,9 @@ public class WebServerHelper {
     if (!isServerStarted) {
       int DEFAULT_PORT = 8080;
       ServerUtils.port = DEFAULT_PORT;
-      for (String path : selectedBooksPath) {
-        try {
-          boolean isBookAdded = kiwixLibrary.addBook(path);
-          Log.v(TAG, "isBookAdded: " + isBookAdded + path);
-        } catch (JNIKiwixException e) {
-          Log.v(TAG, "Couldn't add book " + path);
-        }
-      }
-      kiwixServer.setPort(ServerUtils.port);
-      updateServerState(kiwixServer.start());
-      Log.v(TAG, "Server status" + isServerStarted);
+      kiwixServer = kiwixServerFactory.createKiwixServer(selectedBooksPath);
+      updateServerState(kiwixServer.startServer(ServerUtils.port));
+      Log.d(TAG, "Server status" + isServerStarted);
     }
     return isServerStarted;
   }

app/src/main/res/layout/fragment_destination_download.xml

@@ -18,9 +18,9 @@
 
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
-  android:layout_height="match_parent"
-  xmlns:tools="http://schemas.android.com/tools">
+  android:layout_height="match_parent">
 
   <org.kiwix.kiwixmobile.core.utils.NestedCoordinatorLayout
     android:layout_width="match_parent"
@@ -44,11 +44,11 @@
       app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
       <androidx.recyclerview.widget.RecyclerView
-        tools:listitem="@layout/item_download"
         android:id="@+id/libraryList"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+        app:layout_behavior="@string/appbar_scrolling_view_behavior"
+        tools:listitem="@layout/item_download" />
 
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
   </org.kiwix.kiwixmobile.core.utils.NestedCoordinatorLayout>
@@ -56,11 +56,12 @@
 
   <TextView
     android:id="@+id/libraryErrorText"
-    style="@style/no_list_content_text"
+    style="@style/no_content"
     app:layout_constraintBottom_toBottomOf="parent"
     app:layout_constraintEnd_toEndOf="parent"
     app:layout_constraintStart_toStartOf="parent"
-    app:layout_constraintTop_toTopOf="parent" />
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintVertical_bias="0.45" />
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_destination_library.xml

@@ -19,9 +19,10 @@
 
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  xmlns:tools="http://schemas.android.com/tools">
+  android:fitsSystemWindows="true">
 
   <org.kiwix.kiwixmobile.core.utils.NestedCoordinatorLayout
     android:layout_width="match_parent"
@@ -46,33 +47,34 @@
       app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
       <androidx.recyclerview.widget.RecyclerView
-        tools:listitem="@layout/item_book"
         android:id="@+id/zimfilelist"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        tools:listitem="@layout/item_book" />
 
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
   </org.kiwix.kiwixmobile.core.utils.NestedCoordinatorLayout>
 
-
   <TextView
     android:id="@+id/file_management_no_files"
-    style="@style/no_list_content_text"
-    android:layout_gravity="center"
+    style="@style/no_content"
     android:text="@string/no_files_here"
+    app:layout_constraintBottom_toBottomOf="parent"
     app:layout_constraintEnd_toEndOf="parent"
     app:layout_constraintStart_toStartOf="parent"
-    app:layout_constraintTop_toTopOf="parent" />
+    app:layout_constraintTop_toTopOf="parent"
+    app:layout_constraintVertical_bias="0.45" />
 
   <Button
     android:id="@+id/go_to_downloads_button_no_files"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
+    android:layout_marginTop="8dp"
     android:text="@string/download_books"
     android:visibility="gone"
-    app:layout_constraintEnd_toEndOf="parent"
-    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintEnd_toEndOf="@+id/file_management_no_files"
+    app:layout_constraintStart_toStartOf="@+id/file_management_no_files"
     app:layout_constraintTop_toBottomOf="@+id/file_management_no_files" />
 
 

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

@@ -69,6 +69,11 @@
     <action
       android:id="@+id/action_libraryFragment_to_localFileTransferFragment"
       app:destination="@id/localFileTransferFragment" />
+    <action
+      android:id="@+id/action_libraryFragment_to_introfragment"
+      app:destination="@id/introFragment"
+      app:popUpTo="@id/libraryFragment"
+      app:popUpToInclusive="true" />
   </fragment>
 
   <fragment
@@ -85,7 +90,13 @@
     android:id="@+id/introFragment"
     android:name="org.kiwix.kiwixmobile.intro.IntroFragment"
     android:label="IntroFragment"
-    tools:layout="@layout/fragment_intro" />
+    tools:layout="@layout/fragment_intro">
+    <action
+      android:id="@+id/action_introfragment_to_libraryFragment"
+      app:destination="@id/libraryFragment"
+      app:popUpTo="@id/introFragment"
+      app:popUpToInclusive="true" />
+  </fragment>
   <fragment
     android:id="@+id/historyFragment"
     android:name="org.kiwix.kiwixmobile.core.page.history.HistoryFragment"

app/src/main/res/values/dimens.xml

@@ -25,5 +25,6 @@
   <dimen name="favicon_margin_right">8dp</dimen>
   <dimen name="item_library_margin_top">8dp</dimen>
   <dimen name="stop_horizontal_margin">8dp</dimen>
+  <dimen name="material_design_appbar_size">48dp</dimen>
 
 </resources>

app/src/main/res/values/styles.xml

@@ -18,14 +18,4 @@
 
 <resources>
 
-  <style name="no_list_content_text" parent="TextAppearance.KiwixTheme.Headline6">
-    <item name="android:layout_width">wrap_content</item>
-    <item name="android:layout_height">wrap_content</item>
-    <item name="android:visibility">gone</item>
-    <item name="layout_constraintLeft_toLeftOf">parent</item>
-    <item name="layout_constraintRight_toRightOf">parent</item>
-    <item name="layout_constraintVertical_bias">0.4</item>
-    <item name="layout_constraintTop_toTopOf">parent</item>
-    <item name="layout_constraintBottom_toBottomOf">parent</item>
-  </style>
 </resources>

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

@@ -32,7 +32,7 @@ class ServiceWorkerInitialiser @Inject constructor(zimReaderContainer: ZimReader
       ServiceWorkerControllerCompat.getInstance()
         .setServiceWorkerClient(object : ServiceWorkerClientCompat() {
           override fun shouldInterceptRequest(request: WebResourceRequest): WebResourceResponse? =
-            zimReaderContainer.load(request.url.toString())
+            zimReaderContainer.load(request.url.toString(), request.requestHeaders)
         })
     }
   }

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

@@ -778,7 +778,7 @@ public abstract class CoreReaderFragment extends BaseFragment
   private KiwixWebView newTab(String url, boolean selectTab) {
     KiwixWebView webView = initalizeWebView(url);
     webViewList.add(webView);
-    if(selectTab) {
+    if (selectTab) {
       selectTab(webViewList.size() - 1);
     }
     tabsAdapter.notifyDataSetChanged();
@@ -964,7 +964,6 @@ public abstract class CoreReaderFragment extends BaseFragment
   @SuppressWarnings("SameReturnValue")
   @OnLongClick(R2.id.bottom_toolbar_bookmark)
   boolean goToBookmarks() {
-    saveTabStates();
     CoreMainActivity parentActivity = (CoreMainActivity) requireActivity();
     parentActivity.navigate(parentActivity.getBookmarksFragmentResId());
     return true;
@@ -1205,7 +1204,6 @@ public abstract class CoreReaderFragment extends BaseFragment
   }
 
   private void goToSearch(boolean isVoice) {
-    saveTabStates();
     openSearch("", false, isVoice);
   }
 
@@ -1235,7 +1233,6 @@ public abstract class CoreReaderFragment extends BaseFragment
         break;
       case Intent.ACTION_VIEW:
         if (intent.getType() == null || !intent.getType().equals("application/octet-stream")) {
-          saveTabStates();
           String searchString =
             intent.getData() == null ? "" : intent.getData().getLastPathSegment();
           openSearch(searchString, false, false);
@@ -1249,7 +1246,6 @@ public abstract class CoreReaderFragment extends BaseFragment
   }
 
   private void goToSearchWithText(Intent intent) {
-    saveTabStates();
     String searchString = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
       ? intent.getStringExtra(Intent.EXTRA_PROCESS_TEXT)
       : "";
@@ -1570,21 +1566,14 @@ public abstract class CoreReaderFragment extends BaseFragment
     try {
       JSONArray urls = new JSONArray(zimArticles);
       JSONArray positions = new JSONArray(zimPositions);
-      int i = 0;
-      // tabs are already restored if the webViewList includes more tabs than the default
-      if (webViewList.size() == 1) {
-        getCurrentWebView().setScrollY(positions.getInt(0));
-        i++;
-        while (i < urls.length()) {
-          newTab(UpdateUtils.reformatProviderUrl(urls.getString(i)));
-          safelyGetWebView(i).setScrollY(positions.getInt(i));
-          i++;
-        }
+      webViewList.clear();
+      currentWebViewIndex=0;
+      tabsAdapter.notifyItemRemoved(0);
+      tabsAdapter.notifyDataSetChanged();
+      for (int i = 0; i < urls.length(); i++) {
+        newTab(UpdateUtils.reformatProviderUrl(urls.getString(i)), i == currentTab)
+          .setScrollY(positions.getInt(i));
       }
-      selectTab(currentTab);
-      safelyGetWebView(currentTab)
-        .loadUrl(UpdateUtils.reformatProviderUrl(urls.getString(currentTab)));
-      getCurrentWebView().setScrollY(positions.getInt(currentTab));
     } catch (JSONException e) {
       Log.w(TAG_KIWIX, "Kiwix shared preferences corrupted", e);
       ContextExtensionsKt.toast(getActivity(), "Could not restore tabs.", Toast.LENGTH_LONG);

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

@@ -139,13 +139,10 @@ public class CoreWebViewClient extends WebViewClient {
 
   @Nullable
   @Override
-  public WebResourceResponse shouldInterceptRequest(
-    WebView view,
-    WebResourceRequest request)
-  {
+  public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
     String url = convertLegacyUrl(request.getUrl().toString());
     if (url.startsWith(CONTENT_PREFIX)) {
-      return zimReaderContainer.load(url);
+      return zimReaderContainer.load(url, request.getRequestHeaders());
     } else {
       return super.shouldInterceptRequest(view, request);
     }

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

@@ -172,7 +172,7 @@ open class KiwixWebView @SuppressLint("SetJavaScriptEnabled") constructor(
         }.first { !it.exists() }
         val source = Uri.parse(src)
         try {
-          zimReaderContainer.load("$source").data.use { inputStream ->
+          zimReaderContainer.load("$source", emptyMap()).data.use { inputStream ->
             fileToSave.outputStream().use { inputStream.copyTo(it) }
           }
           instance.toast(instance.getString(R.string.save_media_saved, fileToSave.name))

core/src/main/java/org/kiwix/kiwixmobile/core/page/PageFragment.kt

@@ -121,6 +121,7 @@ abstract class PageFragment : OnItemClickListener, BaseFragment(), FragmentActiv
     recycler_view.layoutManager = LinearLayoutManager(activity, RecyclerView.VERTICAL, false)
     recycler_view.adapter = pageAdapter
     activity.setSupportActionBar(toolbar)
+    toolbar.setNavigationOnClickListener { requireActivity().onBackPressed() }
     activity.supportActionBar?.apply {
       setDisplayHomeAsUpEnabled(true)
       title = screenTitle

core/src/main/java/org/kiwix/kiwixmobile/core/reader/ZimReaderContainer.kt

@@ -20,6 +20,7 @@ package org.kiwix.kiwixmobile.core.reader
 import android.webkit.WebResourceResponse
 import org.kiwix.kiwixmobile.core.reader.ZimFileReader.Factory
 import java.io.File
+import java.net.HttpURLConnection
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -45,12 +46,26 @@ class ZimReaderContainer @Inject constructor(private val zimFileReaderFactory: F
   fun getRandomArticleUrl() = zimFileReader?.getRandomArticleUrl()
   fun isRedirect(url: String): Boolean = zimFileReader?.isRedirect(url) == true
   fun getRedirect(url: String): String = zimFileReader?.getRedirect(url) ?: ""
-  fun load(url: String) =
-    WebResourceResponse(
-      zimFileReader?.readMimeType(url),
-      Charsets.UTF_8.name(),
-      zimFileReader?.load(url)
-    )
+  fun load(url: String, requestHeaders: Map<String, String>): WebResourceResponse {
+    val data = zimFileReader?.load(url)
+    return WebResourceResponse(zimFileReader?.readMimeType(url), Charsets.UTF_8.name(), data)
+      .apply {
+        val headers = mutableMapOf("Accept-Ranges" to "bytes")
+        if ("Range" in requestHeaders.keys) {
+          setStatusCodeAndReasonPhrase(HttpURLConnection.HTTP_PARTIAL, "Partial Content")
+          val fullSize = data?.available()?.toLong() ?: 0L
+          val lastByte = fullSize - 1
+          val byteRanges = requestHeaders.getValue("Range").substringAfter("=").split("-")
+          headers["Content-Range"] = "bytes ${byteRanges[0]}-$lastByte/$fullSize"
+          if (byteRanges.size == 1) {
+            headers["Connection"] = "close"
+          }
+        } else {
+          setStatusCodeAndReasonPhrase(HttpURLConnection.HTTP_OK, "OK")
+        }
+        responseHeaders = headers
+      }
+  }
 
   fun copyReader(): ZimFileReader? = zimFile?.let(zimFileReaderFactory::create)
 

core/src/main/res/layout/fragment_reader.xml

@@ -31,26 +31,25 @@
 
     <TextView
       android:id="@+id/no_open_book_text"
-      style="@style/no_content_text"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_gravity="center"
+      style="@style/no_content"
       android:text="@string/no_open_book"
-      android:visibility="gone"
+      android:layout_marginTop="@dimen/material_design_appbar_size"
       app:layout_constraintBottom_toBottomOf="parent"
       app:layout_constraintEnd_toEndOf="parent"
       app:layout_constraintStart_toStartOf="parent"
-      app:layout_constraintTop_toTopOf="parent" />
+      app:layout_constraintTop_toTopOf="parent"
+      app:layout_constraintVertical_bias="0.45" />
 
     <Button
       android:id="@+id/go_to_library_button_no_open_book"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
+      android:layout_marginTop="8dp"
       android:text="@string/open_library"
       android:visibility="gone"
-      app:layout_constraintEnd_toEndOf="parent"
-      app:layout_constraintStart_toStartOf="parent"
-      app:layout_constraintTop_toBottomOf="@id/no_open_book_text" />
+      app:layout_constraintEnd_toEndOf="@+id/no_open_book_text"
+      app:layout_constraintStart_toStartOf="@+id/no_open_book_text"
+      app:layout_constraintTop_toBottomOf="@id/no_open_book_text"/>
 
     <RelativeLayout
       android:id="@+id/fullscreen_video_container"

core/src/main/res/layout/fragment_search.xml

@@ -1,7 +1,7 @@
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
-  xmlns:tools="http://schemas.android.com/tools"
   android:animateLayoutChanges="true"
   android:fitsSystemWindows="true"
   android:orientation="vertical">
@@ -14,28 +14,25 @@
     <include layout="@layout/layout_toolbar" />
 
     <androidx.recyclerview.widget.RecyclerView
-      tools:listitem="@layout/list_item_search"
       android:id="@+id/search_list"
       android:layout_width="match_parent"
-      android:layout_height="match_parent" />
+      android:layout_height="match_parent"
+      tools:listitem="@layout/list_item_search" />
 
   </LinearLayout>
 
   <TextView
     android:id="@+id/searchNoResults"
-    style="@style/no_content_text"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:layout_gravity="center"
+    style="@style/no_content"
     android:text="@string/no_results" />
 
   <androidx.core.widget.ContentLoadingProgressBar
     android:id="@+id/searchLoadingIndicator"
     style="?android:attr/progressBarStyleLarge"
-    android:visibility="gone"
-    tools:visibility="visible"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:layout_gravity="center" />
+    android:layout_gravity="center"
+    android:visibility="gone"
+    tools:visibility="visible" />
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

core/src/main/res/values-ar/strings.xml

@@ -33,6 +33,7 @@
   <string name="hotspot_failed_title">فشل بدء الهوت-سبوت</string>
   <string name="hotspot_failed_message">يبدو أن الهوت-سبوت مفعلٌ بالفعل. يرجى تعطيل هوت-سبوت الواي فاي للمتابعة.</string>
   <string name="go_to_wifi_settings_label">انتقل إلى إعدادات الواي فاي</string>
+  <string name="connection_refused">الاتصال مرفوض.</string>
   <string name="hotspot_running">تشغيل الهوت-سبوت</string>
   <string name="no_books_selected_toast_message">يُرجى اختيار الكتب أولًا</string>
   <string name="server_failed_message">لا يمكن بدء الخادم. يُرجى تشغيل الهوت-سبوت الخاص بك</string>
@@ -76,6 +77,7 @@
   <string name="delete_recent_search_item">حذف هذا العنصر؟</string>
   <string name="pref_clear_all_history_title">إفراغ التاريخ</string>
   <string name="pref_clear_all_history_summary">إفراغ عمليات البحث الحديثة وعلامات التبويب</string>
+  <string name="pref_notes">ملاحظات</string>
   <string name="all_history_cleared">أُفرغ سجل التاريخ</string>
   <string name="pref_clear_all_bookmarks_title">حذف الإشارات المرجعية</string>
   <string name="clear_all_history_dialog_title">مسح كل التاريخ</string>
@@ -227,6 +229,7 @@
   <string name="severe_loss_error">خطأ شديد! حاول تعطيل/إعادة تمكين الواي فاي P2P</string>
   <string name="connection_failed">فشل الاتصال</string>
   <string name="permission_rationale_location">مطلوب إذن للموقع بواسطة أندرويد للسماح للتطبيق باكتشاف الأجهزة المقترنة</string>
+  <string name="permission_rationale_location_on_host_zim_file">مطلوب إذن للموقع بواسطة أندرويد للسماح للتطبيق باكتشاف ملفات زيم (Zim) المستضافة</string>
   <string name="permission_refused_location">لا يمكن تحديد موقع الأجهزة المقترنة دون أذونات الموقع</string>
   <string name="permission_refused_storage">لا يمكن الوصول إلى ملفات زيم (ZIM) دون إذن وحدة تخزين</string>
   <string name="request_enable_location">تمكين الموقع للسماح باكتشاف الأجهزة المقترنة</string>

core/src/main/res/values-bg/strings.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Authors:
 * InsomniHat
+* Kareyac
 * ShockD
 * StanProg
 * Ted Masters
@@ -48,6 +49,7 @@
   <string name="delete_recent_search_item">Изтриване на този елемент?</string>
   <string name="pref_clear_all_history_title">Изтрий история</string>
   <string name="pref_clear_all_history_summary">Изтрийте последните търсения и история на табовете</string>
+  <string name="pref_notes">Бележки</string>
   <string name="all_history_cleared">Историята е изтрита</string>
   <string name="clear_all_history_dialog_title">Изтриване на цялата история?</string>
   <string name="delete">Изтриване</string>

core/src/main/res/values-de/strings.xml

@@ -6,6 +6,7 @@
 * FF11
 * Killarnee
 * Metalhead64
+* Pittigrilli
 * Stephane
 * Susann Schweden
 * Symposiarch
@@ -74,6 +75,7 @@
   <string name="delete_recent_search_item">Dieses Element löschen?</string>
   <string name="pref_clear_all_history_title">Verlauf löschen</string>
   <string name="pref_clear_all_history_summary">Letzte Suchanfragen und Registerkartenverlauf löschen</string>
+  <string name="pref_notes">Anmerkungen</string>
   <string name="all_history_cleared">Gesamter Verlauf gelöscht</string>
   <string name="pref_clear_all_bookmarks_title">Lesezeichen löschen</string>
   <string name="clear_all_history_dialog_title">Gesamten Verlauf löschen?</string>

core/src/main/res/values-diq/strings.xml

@@ -75,6 +75,7 @@
   <string name="delete_recent_search_item">No item wa esterıyo?</string>
   <string name="pref_clear_all_history_title">verore cı besterne</string>
   <string name="pref_clear_all_history_summary">Cıgeyrayışê peyêni u Verocê tavaya bıesterne</string>
+  <string name="pref_notes">Noti</string>
   <string name="all_history_cleared">Tarix pêro biyo pak</string>
   <string name="pref_clear_all_bookmarks_title">Bookmarka pak kerê</string>
   <string name="clear_all_history_dialog_title">Verori pêro wa pak kerê?</string>

core/src/main/res/values-el/strings.xml

@@ -4,6 +4,7 @@
 * Geraki
 * Giorgos456
 * Glavkos
+* NikosLikomitros
 * Nikosgranturismogt
 * Norhorn
 -->
@@ -68,6 +69,7 @@
   <string name="delete_recent_search_item">Διαγραφή αυτού του αντικειμένου;</string>
   <string name="pref_clear_all_history_title">Εκκαθάριση ιστορικού</string>
   <string name="pref_clear_all_history_summary">Εκκαθάριση ιστορικού πρόσφατων αναζητήσεων και ετικετών</string>
+  <string name="pref_notes">Σημειώσεις</string>
   <string name="all_history_cleared">Όλο το ιστορικό καθαρίστηκε</string>
   <string name="clear_all_history_dialog_title" fuzzy="true">Εκκαθάριση όλου του ιστορικού</string>
   <string name="delete">Διαγραφή</string>

core/src/main/res/values-eo/strings.xml

@@ -3,6 +3,7 @@
 * Abijeet Patro
 * Blahma
 * Fitoschido
+* Javiero
 * Kelson
 * KuboF
 * Mirin
@@ -49,6 +50,7 @@
   <string name="delete_recent_search_item">Forigi ĉi tiu eron?</string>
   <string name="pref_clear_all_history_title">Forviŝi hisorion</string>
   <string name="pref_clear_all_history_summary">Forviŝi ĵusajn serĉojn kaj historion de langetoj</string>
+  <string name="pref_notes">Notoj</string>
   <string name="all_history_cleared">Forviŝis Ĉiun Historion</string>
   <string name="clear_all_history_dialog_title" fuzzy="true">Forviŝi Ĉiun da Historio</string>
   <string name="share">Diskonigi</string>

core/src/main/res/values-es/strings.xml

@@ -12,6 +12,7 @@
 * MarcoAurelio
 * Mpayansilva
 * Ncr
+* Rodney Araujo
 * VegaDark
 -->
 <resources>
@@ -76,6 +77,7 @@
   <string name="delete_recent_search_item">¿Borrar este elemento?</string>
   <string name="pref_clear_all_history_title">Limpiar el historial</string>
   <string name="pref_clear_all_history_summary">Borrar las búsquedas recientes y el historial de pestañas</string>
+  <string name="pref_notes">Notas</string>
   <string name="all_history_cleared">Borrado todo el historial</string>
   <string name="pref_clear_all_bookmarks_title">Borrar marcadores</string>
   <string name="clear_all_history_dialog_title">Borrar todo el historial?</string>

core/src/main/res/values-fr/strings.xml

@@ -84,6 +84,7 @@
   <string name="delete_recent_search_item">Supprimer cet élément ?</string>
   <string name="pref_clear_all_history_title">Effacer l’historique</string>
   <string name="pref_clear_all_history_summary">Effacer les recherches récentes et l’historique des onglets</string>
+  <string name="pref_notes">Notes</string>
   <string name="all_history_cleared">Tout l’historique est effacé</string>
   <string name="pref_clear_all_bookmarks_title">Supprimer les marque-pages</string>
   <string name="clear_all_history_dialog_title">Effacer tout l’historique ?</string>

core/src/main/res/values-it/strings.xml

@@ -50,6 +50,7 @@
   <string name="clear_recent_and_tabs_history_dialog">Sei sicuro di voler cancellare la tua cronologia di ricerca e resettare tutte le tab attive?</string>
   <string name="delete_recent_search_item">Elimina questo elemento?</string>
   <string name="pref_clear_all_history_title">Cancella la cronologia</string>
+  <string name="pref_notes">Note</string>
   <string name="all_history_cleared">Tutta la cronologia è stata cancellata</string>
   <string name="clear_all_history_dialog_title">Cancellare tutta la cronologia?</string>
   <string name="delete">Cancella</string>

core/src/main/res/values-iw/strings.xml

@@ -9,6 +9,7 @@
 * Tuvalevsku
 * YaronSh
 * יאיר מן
+* ישראל קלר
 -->
 <resources>
   <string name="menu_help">עזרה</string>
@@ -77,6 +78,7 @@
   <string name="delete_recent_search_item">למחוק את הפריט הזה?</string>
   <string name="pref_clear_all_history_title">ניקוי ההיסטוריה</string>
   <string name="pref_clear_all_history_summary">ניקוי מילות חיפוש קודמות והיסטוריית כרטיסיות</string>
+  <string name="pref_notes">הערות</string>
   <string name="all_history_cleared">כל ההיסטוריה נמחקה</string>
   <string name="pref_clear_all_bookmarks_title">ניקוי סימניות</string>
   <string name="clear_all_history_dialog_title">לנקות את כל ההיסטוריה?</string>

core/src/main/res/values-ku/strings.xml

@@ -52,7 +52,7 @@
   <string name="server_started_message">Vê adresa IPyê di geroka xwe de binivîsîne ji bo ku xwe bigihînî servera %s</string>
   <string name="error_file_not_found">Çewtîː Peldanka ZIM\'ê ya bijartî nehate dîtin.</string>
   <string name="zim_not_opened">Nikare dosyeya zim-ê veke</string>
-  <string name="error_file_invalid">Çewtîː Peldanka bijartî ne peldankeke ZIM\'ê ya derbasdar e.</string>
+  <string name="error_file_invalid">Çewtîː Peldanka bijartî ne peldankeke ZIMê ya derbasdar e.</string>
   <string name="error_article_url_not_found">Çewtîː Barkirina gotara (Url: %1$s) têk çû.</string>
   <string name="pref_display_title">Nîşan bide</string>
   <string name="pref_info_title">Agahî</string>
@@ -73,6 +73,7 @@
   <string name="delete_recent_search_item">Vê pelê jê bibe?</string>
   <string name="pref_clear_all_history_title">Raboriyê paqij bike</string>
   <string name="pref_clear_all_history_summary">Lêgerînên dawî û raboriya hilpekînan paqij bike</string>
+  <string name="pref_notes">Not</string>
   <string name="all_history_cleared">Hemû Raborî Hat Paqijkirin</string>
   <string name="pref_clear_all_bookmarks_title">Bijareyan paqij bike</string>
   <string name="clear_all_history_dialog_title">Hemû Dîrokê Paqij Bike</string>

core/src/main/res/values-lb/strings.xml

@@ -39,6 +39,7 @@
   <string name="pref_language_chooser">Sicht eng Sprooch eraus</string>
   <string name="pref_credits">Auteuren a Lizenzen</string>
   <string name="delete_recent_search_item">Dëst Element läschen?</string>
+  <string name="pref_notes">Notizen</string>
   <string name="pref_clear_all_bookmarks_title">Lieszeechen ewechhuelen</string>
   <string name="delete">Läschen</string>
   <string name="cancel">Ofbriechen</string>

core/src/main/res/values-mk/strings.xml

@@ -70,6 +70,7 @@
   <string name="delete_recent_search_item">Да ја избришам ставкава?</string>
   <string name="pref_clear_all_history_title">Исчисти историја</string>
   <string name="pref_clear_all_history_summary">Исчисти скорешни пребарувања и јазичиња</string>
+  <string name="pref_notes">Белешки</string>
   <string name="all_history_cleared">Сета историја е исчистена</string>
   <string name="pref_clear_all_bookmarks_title">Исчисти обележувачи</string>
   <string name="clear_all_history_dialog_title">Да ја исчистам сета историја</string>

core/src/main/res/values-pl/strings.xml

@@ -4,6 +4,7 @@
 * Alan ffm
 * DeRudySoulStorm
 * InternerowyGołąb
+* Kareyac
 * Kelson
 * Krzyz23
 * Macofe
@@ -79,6 +80,7 @@
   <string name="delete_recent_search_item">Usunąć ten obiekt?</string>
   <string name="pref_clear_all_history_title">Wyczyść historię</string>
   <string name="pref_clear_all_history_summary">Wyczyść historię ostatnich wyszukiwań i kart</string>
+  <string name="pref_notes">Uwagi</string>
   <string name="all_history_cleared">Usunięto całą historię</string>
   <string name="pref_clear_all_bookmarks_title">Wyczyść zakładki</string>
   <string name="clear_all_history_dialog_title">Wyczyść całą historię?</string>

core/src/main/res/values-pt-rBR/strings.xml

@@ -76,6 +76,7 @@
   <string name="delete_recent_search_item">Eliminar este item?</string>
   <string name="pref_clear_all_history_title">Apagar histórico</string>
   <string name="pref_clear_all_history_summary">Limpar pesquisas recentes e histórico de guias</string>
+  <string name="pref_notes">Notas</string>
   <string name="all_history_cleared">Eliminando todo o histórico</string>
   <string name="pref_clear_all_bookmarks_title">Limpar marcadores</string>
   <string name="clear_all_history_dialog_title">Limpar todo o histórico?</string>

core/src/main/res/values-pt/strings.xml

@@ -7,6 +7,7 @@
 * Hamilton Abreu
 * Imperadeiro90
 * Imperadeiro98
+* Kareyac
 * Kelson
 * Macofe
 * Mansil alfalb
@@ -53,6 +54,7 @@
   <string name="delete_recent_search_item">Apagar este elemento?</string>
   <string name="pref_clear_all_history_title">Limpar o histórico</string>
   <string name="pref_clear_all_history_summary">Limpar as pesquisas recentes e o histórico de separadores</string>
+  <string name="pref_notes">Notas</string>
   <string name="all_history_cleared">Todo o historial foi apagado</string>
   <string name="clear_all_history_dialog_title" fuzzy="true">Apagar todo o historial</string>
   <string name="delete">Apagar</string>

core/src/main/res/values-qq/strings.xml

@@ -29,6 +29,7 @@
   <string name="pref_back_to_top">{{Identical|Back to top}}</string>
   <string name="pref_language_title">{{Identical|Language}}</string>
   <string name="pref_language_chooser">{{Identical|Choose language}}</string>
+  <string name="pref_notes">{{Identical|Notes}}</string>
   <string name="delete">{{Identical|Delete}}</string>
   <string name="cancel">{{identical|Cancel}}</string>
   <string name="undo">{{Identical|Undo}}</string>
@@ -45,6 +46,7 @@
   <string name="previous">{{Identical|Previous}}</string>
   <string name="time_left">This is the past participle of the verb “to leave” (meaning “quitted” or “exited”). This is used in a context of “X minutes left” to finish a download.</string>
   <string name="time_yesterday">{{Identical|Yesterday}}</string>
+  <string name="history">{{Identical|History}}</string>
   <string name="search_history">TODO: Unclear, must be documented. See https://github.com/kiwix/overview/issues/31</string>
   <string name="save">{{Identical|Save}}</string>
   <string name="permission_rationale_location_on_host_zim_file">Tell the user Location permission required for hosting zim file.</string>

core/src/main/res/values-ru/strings.xml

@@ -85,6 +85,7 @@
   <string name="delete_recent_search_item">Удалить этот элемент?</string>
   <string name="pref_clear_all_history_title">Очистить историю</string>
   <string name="pref_clear_all_history_summary">Очистить недавние поисковые запросы и историю вкладок</string>
+  <string name="pref_notes">Примечания</string>
   <string name="all_history_cleared">Вся история очищена</string>
   <string name="pref_clear_all_bookmarks_title">Очистить закладки</string>
   <string name="clear_all_history_dialog_title">Очистить всю историю?</string>

core/src/main/res/values-sl/strings.xml

@@ -156,7 +156,7 @@
   <string name="table_of_contents">Kazalo vsebine</string>
   <string name="select_languages">Izberi jezike</string>
   <string name="save_languages">Shrani jezike</string>
-  <string name="send_feedback">Sporoči svoje mnenje</string>
+  <string name="send_feedback">Sporočite svoje mnenje</string>
   <string name="expand">Razširi</string>
   <string name="history">Zgodovina</string>
   <string name="history_from_current_book" fuzzy="true">Zgodovina iz trenutne knjige</string>

core/src/main/res/values-sv/strings.xml

@@ -75,6 +75,7 @@
   <string name="delete_recent_search_item">Radera detta objekt?</string>
   <string name="pref_clear_all_history_title">Rensa historik</string>
   <string name="pref_clear_all_history_summary">Rensa senaste sökningar och flikhistorik</string>
+  <string name="pref_notes">Anteckningar</string>
   <string name="all_history_cleared">All historik rensades</string>
   <string name="pref_clear_all_bookmarks_title">Rensa bokmärken</string>
   <string name="clear_all_history_dialog_title">Rensa all historik?</string>

core/src/main/res/values-tr/strings.xml

@@ -83,6 +83,7 @@
   <string name="delete_recent_search_item">Bu öğe silinsin mi?</string>
   <string name="pref_clear_all_history_title">Geçmişi temizle</string>
   <string name="pref_clear_all_history_summary">Son aramalar ve sekmeler geçmişini temizle</string>
+  <string name="pref_notes">Notlar</string>
   <string name="all_history_cleared">Tüm geçmiş temizlendi</string>
   <string name="pref_clear_all_bookmarks_title">Yer imlerini temizle</string>
   <string name="clear_all_history_dialog_title">Tüm Geçmişi Silinsin mi?</string>

core/src/main/res/values-zh-rTW/strings.xml

@@ -75,6 +75,7 @@
   <string name="delete_recent_search_item">刪除此項目？</string>
   <string name="pref_clear_all_history_title">清除歷史記錄</string>
   <string name="pref_clear_all_history_summary">清除近期搜尋和分頁歷史記錄</string>
+  <string name="pref_notes">備註</string>
   <string name="all_history_cleared">所有歷史記錄已清除</string>
   <string name="pref_clear_all_bookmarks_title">清除書籤</string>
   <string name="clear_all_history_dialog_title">清除所有歷史記錄？</string>

core/src/main/res/values/dimens.xml

@@ -18,4 +18,6 @@
   <dimen name="section_list_height">56dp</dimen>
   <dimen name="card_margin">5dp</dimen>
   <dimen name="fab_vertical_offset">25dp</dimen>
+
+  <dimen name="material_design_appbar_size">48dp</dimen>
 </resources>

core/src/main/res/values/strings.xml

@@ -66,6 +66,7 @@
   <string name="delete_recent_search_item">Delete this item?</string>
   <string name="pref_clear_all_history_title">Clear history</string>
   <string name="pref_clear_all_history_summary">Clear recent searches and tabs history</string>
+  <string name="pref_notes">Notes</string>
   <string name="all_history_cleared">All History Cleared</string>
   <string name="pref_clear_all_bookmarks_title">Clear bookmarks</string>
   <string name="clear_all_history_dialog_title">Clear All History?</string>

core/src/main/res/values/styles.xml

@@ -62,7 +62,6 @@
     <item name="android:gravity">end</item>
   </style>
 
-  <style name="no_content_text" parent="TextAppearance.KiwixTheme.Headline5" />
 
   <style name="switch_style">
     <item name="android:layout_width">wrap_content</item>
@@ -104,4 +103,11 @@
     <item name="colorAccent">@color/denim_blue400</item>
   </style>
 
+  <style name="no_content" parent="TextAppearance.KiwixTheme.Headline6">
+    <item name="android:layout_width">wrap_content</item>
+    <item name="android:layout_height">wrap_content</item>
+    <item name="android:layout_gravity">center</item>
+    <item name="android:visibility">gone</item>
+  </style>
+
 </resources>

core/src/main/res/xml/preferences.xml

@@ -74,7 +74,7 @@
 
   <PreferenceCategory
     android:key="pref_history"
-    android:title="History"
+    android:title="@string/history"
     app:iconSpaceReserved="false">
 
     <Preference
@@ -86,7 +86,7 @@
   </PreferenceCategory>
   <PreferenceCategory
     android:key="pref_notes"
-    android:title="Notes"
+    android:title="@string/pref_notes"
     app:iconSpaceReserved="false">
 
     <Preference

custom/src/main/assets/credits.html

@@ -24,9 +24,12 @@
 <a href="mailto:adeelzafar619@gmail.com">Adeel Zafar</a><br>
 <a href="mailto:sood.aditya.08@gmail.com">Aditya Sood</a><br>
 <a href="mailto:ayoubuto@gmail.com">Ayoub Dardory</a><br>
+<a href="mailto:stvayush@gmail.com">Ayush Shrivastava</a><br>
 <a href="mailto:cip@gmx.at">Christian Pühringer</a><br>
 <a href="mailto:elad.keyshawn@gmail.com">Elad Keyshawn</a><br>
 <a href="mailto:kelson@kiwix.org">Emmanuel Engelhart</a><br>
+<a href="mailto:franslukas@pm.me">Frans-Lukas Lövenvald</a><br>
+<a href="mailto:gouripanda4@gmail.com">Gourishankar Panda</a><br>
 <a href="mailto:mhutti1@gmail.com">Isaac Hutt</a><br>
 <a href="mailto:joseph.reeve@googlemail.com">Joseph E. Reeve</a><br>
 <a href="mailto:julianharty@gmail.com">Julian Harty</a><br>

custom/src/main/res/drawable-night-v23/launch_screen.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ 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/>.
+  ~
+  -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
+  android:opacity="opaque">
+  <!-- The background color, preferably the same as your normal theme -->
+  <item android:drawable="@color/alabaster_white" />
+  <item
+    android:bottom="24dp"
+    android:drawable="@mipmap/ic_launcher"
+    android:gravity="center"
+    android:left="24dp"
+    android:right="24dp"
+    android:top="24dp" />
+</layer-list>

custom/src/main/res/drawable-night/launch_screen.xml

@@ -1,12 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
+<?xml version="1.0" encoding="utf-8"?><!--
   ~ 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
@@ -21,11 +20,9 @@
   android:opacity="opaque">
   <!-- The background color, preferably the same as your normal theme -->
   <item android:drawable="@color/mine_shaft_gray900" />
-  <item
-    android:bottom="24dp"
-    android:drawable="@mipmap/ic_launcher"
-    android:gravity="center"
-    android:left="24dp"
-    android:right="24dp"
-    android:top="24dp" />
+  <item>
+    <bitmap
+      android:gravity="center"
+      android:src="@mipmap/ic_launcher" />
+  </item>
 </layer-list>

custom/src/main/res/drawable-v23/launch_screen.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ 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/>.
+  ~
+  -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
+  android:opacity="opaque">
+  <!-- The background color, preferably the same as your normal theme -->
+  <item android:drawable="@color/alabaster_white" />
+  <item
+    android:bottom="24dp"
+    android:drawable="@mipmap/ic_launcher"
+    android:gravity="center"
+    android:left="24dp"
+    android:right="24dp"
+    android:top="24dp" />
+</layer-list>

custom/src/main/res/drawable/launch_screen.xml

@@ -21,11 +21,9 @@
   android:opacity="opaque">
   <!-- The background color, preferably the same as your normal theme -->
   <item android:drawable="@color/alabaster_white" />
-  <item
-    android:bottom="24dp"
-    android:drawable="@mipmap/ic_launcher"
-    android:gravity="center"
-    android:left="24dp"
-    android:right="24dp"
-    android:top="24dp" />
+  <item>
+    <bitmap
+      android:gravity="center"
+      android:src="@mipmap/ic_launcher" />
+  </item>
 </layer-list>