Option to disable connectivity check

app/build.gradle

@@ -95,9 +95,9 @@ dependencies {
 	implementation 'androidx.activity:activity-ktx:1.9.0'
 	implementation 'androidx.fragment:fragment-ktx:1.7.1'
 	implementation 'androidx.collection:collection-ktx:1.4.0'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0'
-	implementation 'androidx.lifecycle:lifecycle-service:2.7.0'
-	implementation 'androidx.lifecycle:lifecycle-process:2.7.0'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.8.0'
+	implementation 'androidx.lifecycle:lifecycle-service:2.8.0'
+	implementation 'androidx.lifecycle:lifecycle-process:2.8.0'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 	implementation 'androidx.recyclerview:recyclerview:1.3.2'
@@ -105,7 +105,7 @@ dependencies {
 	implementation 'androidx.preference:preference-ktx:1.2.1'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
 	implementation 'com.google.android.material:material:1.12.0'
-	implementation 'androidx.lifecycle:lifecycle-common-java8:2.7.0'
+	implementation 'androidx.lifecycle:lifecycle-common-java8:2.8.0'
 	implementation 'androidx.webkit:webkit:1.11.0'
 
 	implementation 'androidx.work:work-runtime:2.9.0'

app/src/main/kotlin/org/koitharu/kotatsu/core/AppModule.kt

@@ -34,6 +34,7 @@ import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.favicon.FaviconFetcher
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.image.CoilImageGetter
 import org.koitharu.kotatsu.core.ui.util.ActivityRecreationHandle
 import org.koitharu.kotatsu.core.util.AcraScreenLogger
@@ -70,8 +71,9 @@ interface AppModule {
 		@Provides
 		@Singleton
 		fun provideNetworkState(
-			@ApplicationContext context: Context
-		) = NetworkState(context.connectivityManager)
+			@ApplicationContext context: Context,
+			settings: AppSettings,
+		) = NetworkState(context.connectivityManager, settings)
 
 		@Provides
 		@Singleton

app/src/main/kotlin/org/koitharu/kotatsu/core/os/NetworkState.kt

@@ -5,13 +5,15 @@ import android.net.ConnectivityManager.NetworkCallback
 import android.net.Network
 import android.net.NetworkCapabilities
 import android.net.NetworkRequest
+import android.os.Build
 import kotlinx.coroutines.flow.first
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.MediatorStateFlow
-import org.koitharu.kotatsu.core.util.ext.isOnline
 
 class NetworkState(
 	private val connectivityManager: ConnectivityManager,
-) : MediatorStateFlow<Boolean>(connectivityManager.isOnline()) {
+	private val settings: AppSettings,
+) : MediatorStateFlow<Boolean>(connectivityManager.isOnline(settings)) {
 
 	private val callback = NetworkCallbackImpl()
 
@@ -22,6 +24,7 @@ class NetworkState(
 			.addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
 			.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)
 			.addTransportType(NetworkCapabilities.TRANSPORT_ETHERNET)
+			.addTransportType(NetworkCapabilities.TRANSPORT_VPN)
 			.build()
 		connectivityManager.registerNetworkCallback(request, callback)
 	}
@@ -39,7 +42,7 @@ class NetworkState(
 	}
 
 	private fun invalidate() {
-		publishValue(connectivityManager.isOnline())
+		publishValue(connectivityManager.isOnline(settings))
 	}
 
 	private inner class NetworkCallbackImpl : NetworkCallback() {
@@ -50,4 +53,27 @@ class NetworkState(
 
 		override fun onUnavailable() = invalidate()
 	}
+
+	private companion object {
+
+		fun ConnectivityManager.isOnline(settings: AppSettings): Boolean {
+			if (settings.isOfflineCheckDisabled) {
+				return true
+			}
+			return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+				activeNetwork?.let { isOnline(it) } ?: false
+			} else {
+				@Suppress("DEPRECATION")
+				activeNetworkInfo?.isConnected == true
+			}
+		}
+
+		private fun ConnectivityManager.isOnline(network: Network): Boolean {
+			val capabilities = getNetworkCapabilities(network) ?: return false
+			return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
+				|| capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
+				|| capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)
+				|| capabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)
+		}
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -136,6 +136,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_TRAFFIC_WARNING, true)
 		set(value) = prefs.edit { putBoolean(KEY_TRAFFIC_WARNING, value) }
 
+	val isOfflineCheckDisabled: Boolean
+		get() = prefs.getBoolean(KEY_OFFLINE_DISABLED, false)
+
 	var isAllFavouritesVisible: Boolean
 		get() = prefs.getBoolean(KEY_ALL_FAVOURITES_VISIBLE, true)
 		set(value) = prefs.edit { putBoolean(KEY_ALL_FAVOURITES_VISIBLE, value) }
@@ -557,6 +560,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_COLOR_THEME = "color_theme"
 		const val KEY_THEME_AMOLED = "amoled_theme"
 		const val KEY_TRAFFIC_WARNING = "traffic_warning"
+		const val KEY_OFFLINE_DISABLED = "no_offline"
 		const val KEY_PAGES_CACHE_CLEAR = "pages_cache_clear"
 		const val KEY_HTTP_CACHE_CLEAR = "http_cache_clear"
 		const val KEY_COOKIES_CLEAR = "cookies_clear"

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Android.kt

@@ -19,6 +19,7 @@ import android.content.pm.ResolveInfo
 import android.database.SQLException
 import android.graphics.Bitmap
 import android.graphics.Color
+import android.net.ConnectivityManager
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
@@ -75,6 +76,9 @@ val Context.activityManager: ActivityManager?
 val Context.powerManager: PowerManager?
 	get() = getSystemService(POWER_SERVICE) as? PowerManager
 
+val Context.connectivityManager: ConnectivityManager
+	get() = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+
 fun String.toUriOrNull() = if (isEmpty()) null else Uri.parse(this)
 
 suspend fun CoroutineWorker.trySetForeground(): Boolean = runCatchingCancellable {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Network.kt

@@ -1,26 +0,0 @@
-package org.koitharu.kotatsu.core.util.ext
-
-import android.content.Context
-import android.net.ConnectivityManager
-import android.net.Network
-import android.net.NetworkCapabilities
-import android.os.Build
-
-val Context.connectivityManager: ConnectivityManager
-	get() = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
-
-fun ConnectivityManager.isOnline(): Boolean {
-	return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-		activeNetwork?.let { isOnline(it) } ?: false
-	} else {
-		@Suppress("DEPRECATION")
-		activeNetworkInfo?.isConnected == true
-	}
-}
-
-private fun ConnectivityManager.isOnline(network: Network): Boolean {
-	val capabilities = getNetworkCapabilities(network) ?: return false
-	return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
-		|| capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
-		|| capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)
-}

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

@@ -643,4 +643,5 @@
 	<string name="blocked_by_server_message">You are blocked by the server. Try to use a different network connection (VPN, Proxy, etc.)</string>
 	<string name="disable">Disable</string>
 	<string name="sources_disabled">Sources disabled</string>
+	<string name="disable_connectivity_check">Disable connectivity check</string>
 </resources>

app/src/main/res/xml/pref_network.xml

@@ -49,4 +49,8 @@
 		android:key="ssl_bypass"
 		android:title="@string/ignore_ssl_errors" />
 
+	<SwitchPreferenceCompat
+		android:key="no_offline"
+		android:title="@string/disable_connectivity_check" />
+
 </PreferenceScreen>