Fixed: Online library cannot be retrieved in the Play Store variant.

.github/workflows/ci.yml

@@ -89,6 +89,25 @@ jobs:
           emulator-boot-timeout: 1200
           script: bash contrib/instrumentation.sh
 
+      - name: create instrumentation coverage for playStore variant
+        uses: reactivecircus/android-emulator-runner@v2
+        env:
+          GRADLE_OPTS: "-Dorg.gradle.internal.http.connectionTimeout=60000 -Dorg.gradle.internal.http.socketTimeout=60000 -Dorg.gradle.internal.network.retry.max.attempts=6 -Dorg.gradle.internal.network.retry.initial.backOff=2000"
+        with:
+          api-level: ${{ matrix.api-level }}
+          target: default
+          arch: x86_64
+          profile: pixel_2
+          ram-size: 3072M
+          cores: 4
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          sdcard-path-or-size: 1024M
+          disable-animations: true
+          force-avd-creation: false
+          heap-size: 512M
+          emulator-boot-timeout: 1200
+          script: bash contrib/instrumentation-release.sh
+
       - name: Test custom app
         uses: reactivecircus/android-emulator-runner@v2
         env:

app/build.gradle.kts

@@ -1,3 +1,4 @@
+import com.slack.keeper.optInToKeeper
 import org.w3c.dom.Element
 import plugin.KiwixConfigurationPlugin
 import java.io.StringWriter
@@ -11,6 +12,9 @@ plugins {
   android
   id("com.github.triplet.play") version Versions.com_github_triplet_play_gradle_plugin
 }
+if (hasProperty("testingMinimizedBuild")) {
+  apply(plugin = "com.slack.keeper")
+}
 plugins.apply(KiwixConfigurationPlugin::class)
 
 apply(from = rootProject.file("jacoco.gradle"))
@@ -93,6 +97,14 @@ play {
   resolutionStrategy.set(com.github.triplet.gradle.androidpublisher.ResolutionStrategy.FAIL)
 }
 
+androidComponents {
+  beforeVariants { variantBuilder ->
+    if (variantBuilder.name == "debug" && hasProperty("testingMinimizedBuild")) {
+      variantBuilder.optInToKeeper()
+    }
+  }
+}
+
 dependencies {
   androidTestImplementation(Libs.leakcanary_android_instrumentation)
   testImplementation(Libs.kotlinx_coroutines_test)

app/detekt_baseline.xml

@@ -5,7 +5,7 @@
     <ID>EmptyFunctionBlock:None.kt$None${ }</ID>
     <ID>EmptyFunctionBlock:SimplePageChangeListener.kt$SimplePageChangeListener${ }</ID>
     <ID>LongParameterList:ZimManageViewModel.kt$ZimManageViewModel$( booksOnFileSystem: List&lt;BookOnDisk>, activeDownloads: List&lt;DownloadModel>, allLanguages: List&lt;Language>, libraryNetworkEntity: LibraryNetworkEntity, filter: String, fileSystemState: FileSystemState )</ID>
-    <ID>LongParameterList:ZimManageViewModel.kt$ZimManageViewModel$( private val downloadDao: DownloadRoomDao, private val bookDao: NewBookDao, private val languageDao: NewLanguagesDao, private val storageObserver: StorageObserver, private val kiwixService: KiwixService, private val context: Application, private val connectivityBroadcastReceiver: ConnectivityBroadcastReceiver, private val bookUtils: BookUtils, private val fat32Checker: Fat32Checker, private val defaultLanguageProvider: DefaultLanguageProvider, private val dataSource: DataSource, private val connectivityManager: ConnectivityManager, private val sharedPreferenceUtil: SharedPreferenceUtil )</ID>
+    <ID>LongParameterList:ZimManageViewModel.kt$ZimManageViewModel$( private val downloadDao: DownloadRoomDao, private val bookDao: NewBookDao, private val languageDao: NewLanguagesDao, private val storageObserver: StorageObserver, private var kiwixService: KiwixService, val context: Application, private val connectivityBroadcastReceiver: ConnectivityBroadcastReceiver, private val bookUtils: BookUtils, private val fat32Checker: Fat32Checker, private val defaultLanguageProvider: DefaultLanguageProvider, private val dataSource: DataSource, private val connectivityManager: ConnectivityManager, private val sharedPreferenceUtil: SharedPreferenceUtil )</ID>
     <ID>MagicNumber:LibraryListItem.kt$LibraryListItem.LibraryDownloadItem$1000L</ID>
     <ID>MagicNumber:PeerGroupHandshake.kt$PeerGroupHandshake$15000</ID>
     <ID>MagicNumber:ShareFiles.kt$ShareFiles$24</ID>

app/proguard-rules.pro

@@ -48,11 +48,20 @@
 
 ## keep everything in MetaLinkNetworkEntity.kt
 
+-keep class org.kiwix.kiwixmobile.core.entity.MetaLinkNetworkEntity { *; }
+-keep class org.kiwix.kiwixmobile.core.entity.MetaLinkNetworkEntity$* { *; }
 -keepnames class org.kiwix.kiwixmobile.core.entity.MetaLinkNetworkEntity$*
 -keepclassmembers class org.kiwix.kiwixmobile.core.entity.MetaLinkNetworkEntity$* {
     <init>(...);
 }
 
+## keep everything in LibraryNetworkEntity.kt
+-keep class org.kiwix.kiwixmobile.core.entity.LibraryNetworkEntity { *; }
+-keep class org.kiwix.kiwixmobile.core.entity.LibraryNetworkEntity$* { *; }
+-keepclassmembers class org.kiwix.kiwixmobile.core.entity.LibraryNetworkEntity$* {
+    <init>(...);
+}
+
 -keep class javax.xml.stream.** { *; }
 -dontwarn javax.xml.stream.Location
 -dontwarn javax.xml.stream.XMLEventReader
@@ -82,3 +91,5 @@
 -dontwarn org.openjsse.javax.net.ssl.SSLParameters
 -dontwarn org.openjsse.javax.net.ssl.SSLSocket
 -dontwarn org.openjsse.net.ssl.OpenJSSE
+
+-keep class io.reactivex.** { *; }

app/src/androidTest/java/org/kiwix/kiwixmobile/download/DownloadRobot.kt

@@ -24,6 +24,7 @@ import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
 import androidx.test.espresso.assertion.ViewAssertions.matches
 import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
 import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.espresso.matcher.ViewMatchers.withSubstring
 import androidx.test.espresso.matcher.ViewMatchers.withText
 import applyWithViewHierarchyPrinting
 import com.adevinta.android.barista.interaction.BaristaSleepInteractions
@@ -76,7 +77,13 @@ class DownloadRobot : BaseRobot() {
       onView(withText(string.swipe_down_for_library)).check(matches(isDisplayed()))
       refreshOnlineList()
     } catch (e: RuntimeException) {
-      // do nothing as the view is not visible
+      try {
+        // do nothing as currently downloading the online library.
+        onView(withId(R.id.onlineLibraryProgressLayout)).check(matches(isDisplayed()))
+      } catch (e: RuntimeException) {
+        // if not visible try to get the online library.
+        refreshOnlineList()
+      }
     }
   }
 
@@ -131,11 +138,7 @@ class DownloadRobot : BaseRobot() {
   fun assertDownloadPaused() {
     testFlakyView({
       pauseForBetterTestPerformance()
-      onView(
-        withText(
-          org.kiwix.kiwixmobile.core.R.string.paused_state
-        )
-      ).check(matches(isDisplayed()))
+      onView(withSubstring(context.getString(string.paused_state))).check(matches(isDisplayed()))
     })
   }
 

app/src/androidTest/java/org/kiwix/kiwixmobile/initial/download/InitialDownloadRobot.kt

@@ -86,7 +86,13 @@ class InitialDownloadRobot : BaseRobot() {
       onView(withText(string.swipe_down_for_library)).check(matches(isDisplayed()))
       refreshOnlineList()
     } catch (e: RuntimeException) {
-      // do nothing as the view is not visible
+      try {
+        // do nothing as currently downloading the online library.
+        onView(withId(R.id.onlineLibraryProgressLayout)).check(matches(isDisplayed()))
+      } catch (e: RuntimeException) {
+        // if not visible try to get the online library.
+        refreshOnlineList()
+      }
     }
   }
 

app/src/androidTest/java/org/kiwix/kiwixmobile/language/LanguageRobot.kt

@@ -68,7 +68,13 @@ class LanguageRobot : BaseRobot() {
       onView(ViewMatchers.withText(string.swipe_down_for_library)).check(matches(isDisplayed()))
       refreshOnlineList()
     } catch (e: RuntimeException) {
-      // do nothing as the view is not visible
+      try {
+        // do nothing as currently downloading the online library.
+        onView(withId(R.id.onlineLibraryProgressLayout)).check(matches(isDisplayed()))
+      } catch (e: RuntimeException) {
+        // if not visible try to get the online library.
+        refreshOnlineList()
+      }
     }
   }
 

app/src/main/java/org/kiwix/kiwixmobile/nav/destination/library/OnlineLibraryFragment.kt

@@ -41,6 +41,7 @@
 import androidx.core.content.ContextCompat
 import androidx.core.view.MenuHost
 import androidx.core.view.MenuProvider
+import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.Observer
@@ -104,7 +105,7 @@
   @Inject lateinit var availableSpaceCalculator: AvailableSpaceCalculator
   @Inject lateinit var alertDialogShower: AlertDialogShower
   private var fragmentDestinationDownloadBinding: FragmentDestinationDownloadBinding? = null
-
+  private val lock = Any()
   private var downloadBookItem: LibraryListItem.BookItem? = null
   private val zimManageViewModel by lazy {
     requireActivity().viewModel<ZimManageViewModel>(viewModelFactory)
@@ -193,8 +194,10 @@
     ) {
       if (it && !NetworkUtils.isWiFi(requireContext())) {
         showInternetAccessViaMobileNetworkDialog()
+        hideProgressBarOfFetchingOnlineLibrary()
       }
     }
+    zimManageViewModel.downloadProgress.observe(viewLifecycleOwner, ::onLibraryStatusChanged)
     setupMenu()
 
     // hides keyboard when scrolled
@@ -247,13 +250,11 @@
     dialogShower.show(
       WifiOnly,
       {
-        onRefreshStateChange(true)
         showRecyclerviewAndHideSwipeDownForLibraryErrorText()
         sharedPreferenceUtil.putPrefWifiOnly(false)
         zimManageViewModel.shouldShowWifiOnlyDialog.value = false
       },
       {
-        onRefreshStateChange(false)
         context.toast(
           resources.getString(string.denied_internet_permission_message),
           Toast.LENGTH_SHORT
@@ -268,6 +269,7 @@
       libraryErrorText.visibility = View.GONE
       libraryList.visibility = View.VISIBLE
     }
+    showProgressBarOfFetchingOnlineLibrary()
   }
 
   private fun hideRecyclerviewAndShowSwipeDownForLibraryErrorText() {
@@ -278,6 +280,34 @@
       libraryErrorText.visibility = View.VISIBLE
       libraryList.visibility = View.GONE
     }
+    hideProgressBarOfFetchingOnlineLibrary()
+  }
+
+  private fun showProgressBarOfFetchingOnlineLibrary() {
+    onRefreshStateChange(false)
+    fragmentDestinationDownloadBinding?.apply {
+      libraryErrorText.visibility = View.GONE
+      librarySwipeRefresh.isEnabled = false
+      onlineLibraryProgressLayout.visibility = View.VISIBLE
+      onlineLibraryProgressStatusText.setText(string.reaching_remote_library)
+    }
+  }
+
+  private fun hideProgressBarOfFetchingOnlineLibrary() {
+    onRefreshStateChange(false)
+    fragmentDestinationDownloadBinding?.apply {
+      librarySwipeRefresh.isEnabled = true
+      onlineLibraryProgressLayout.visibility = View.GONE
+      onlineLibraryProgressStatusText.setText(string.reaching_remote_library)
+    }
+  }
+
+  private fun onLibraryStatusChanged(libraryStatus: String) {
+    synchronized(lock) {
+      fragmentDestinationDownloadBinding?.apply {
+        onlineLibraryProgressStatusText.text = libraryStatus
+      }
+    }
   }
 
   override fun onDestroyView() {
@@ -293,18 +323,27 @@
   }
 
   private fun onRefreshStateChange(isRefreshing: Boolean?) {
-    fragmentDestinationDownloadBinding?.librarySwipeRefresh?.isRefreshing = isRefreshing == true
+    var refreshing = isRefreshing == true
+    // do not show the refreshing when the online library is downloading
+    if (fragmentDestinationDownloadBinding?.onlineLibraryProgressLayout?.isVisible == true ||
+      fragmentDestinationDownloadBinding?.libraryErrorText?.isVisible == true
+    ) {
+      refreshing = false
+    }
+    fragmentDestinationDownloadBinding?.librarySwipeRefresh?.isRefreshing = refreshing
   }
 
   private fun onNetworkStateChange(networkState: NetworkState?) {
     when (networkState) {
       NetworkState.CONNECTED -> {
         if (NetworkUtils.isWiFi(requireContext())) {
-          onRefreshStateChange(true)
           refreshFragment()
         } else if (noWifiWithWifiOnlyPreferenceSet) {
-          onRefreshStateChange(false)
           hideRecyclerviewAndShowSwipeDownForLibraryErrorText()
+        } else if (!noWifiWithWifiOnlyPreferenceSet) {
+          if (libraryAdapter.items.isEmpty()) {
+            showProgressBarOfFetchingOnlineLibrary()
+          }
         }
       }
 
@@ -325,7 +364,7 @@
       )
       fragmentDestinationDownloadBinding?.libraryErrorText?.visibility = View.VISIBLE
     }
-    fragmentDestinationDownloadBinding?.librarySwipeRefresh?.isRefreshing = false
+    hideProgressBarOfFetchingOnlineLibrary()
   }
 
   private fun noInternetSnackbar() {
@@ -345,6 +384,7 @@
     if (it != null) {
       libraryAdapter.items = it
     }
+    hideProgressBarOfFetchingOnlineLibrary()
     if (it?.isEmpty() == true) {
       fragmentDestinationDownloadBinding?.libraryErrorText?.setText(
         if (isNotConnected) string.no_network_connection

app/src/main/java/org/kiwix/kiwixmobile/zimManager/AppProgressListenerProvider.kt

@@ -0,0 +1,45 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2024 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.zimManager
+
+import org.kiwix.kiwixmobile.core.R
+import org.kiwix.kiwixmobile.core.data.remote.OnlineLibraryProgressListener
+import org.kiwix.kiwixmobile.core.downloader.downloadManager.DEFAULT_INT_VALUE
+import org.kiwix.kiwixmobile.core.downloader.downloadManager.HUNDERED
+import org.kiwix.kiwixmobile.core.downloader.downloadManager.ZERO
+
+class AppProgressListenerProvider(
+  private val zimManageViewModel: ZimManageViewModel
+) : OnlineLibraryProgressListener {
+  @Suppress("MagicNumber")
+  override fun onProgress(bytesRead: Long, contentLength: Long) {
+    val progress =
+      if (contentLength == DEFAULT_INT_VALUE.toLong()) {
+        ZERO
+      } else {
+        (bytesRead * HUNDERED / contentLength).toInt() * 3
+      }
+    zimManageViewModel.downloadProgress.postValue(
+      zimManageViewModel.context.getString(
+        R.string.downloading_library,
+        zimManageViewModel.context.getString(R.string.percentage, progress)
+      )
+    )
+  }
+}