Fix crashes

app/src/main/AndroidManifest.xml

@@ -46,7 +46,7 @@
 		android:allowBackup="true"
 		android:backupAgent="org.koitharu.kotatsu.settings.backup.AppBackupAgent"
 		android:dataExtractionRules="@xml/backup_rules"
-		android:enableOnBackInvokedCallback="true"
+		android:enableOnBackInvokedCallback="@bool/is_predictive_back_enabled"
 		android:fullBackupContent="@xml/backup_content"
 		android:fullBackupOnly="true"
 		android:icon="@mipmap/ic_launcher"

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/CaughtException.kt

@@ -1,3 +1,5 @@
 package org.koitharu.kotatsu.core.exceptions
 
-class CaughtException(cause: Throwable) : RuntimeException("${cause.javaClass.simpleName}(${cause.message})", cause)
+class CaughtException(
+	override val cause: Throwable
+) : RuntimeException("${cause.javaClass.simpleName}(${cause.message})", cause)

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/WrapperIOException.kt

@@ -0,0 +1,5 @@
+package org.koitharu.kotatsu.core.exceptions
+
+import okio.IOException
+
+class WrapperIOException(override val cause: Exception) : IOException(cause)

app/src/main/kotlin/org/koitharu/kotatsu/core/nav/AppRouter.kt

@@ -321,7 +321,7 @@ class AppRouter private constructor(
 		FavoriteDialog().withArgs(1) {
 			putParcelableArrayList(
 				KEY_MANGA_LIST,
-				manga.mapTo(ArrayList(manga.size), ::ParcelableManga),
+				manga.mapTo(ArrayList(manga.size), ::ParcelableManga), // FIXME use small manga info
 			)
 		}.showDistinct()
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/network/AppProxySelector.kt

@@ -35,7 +35,7 @@ class AppProxySelector(
 		if (type == Proxy.Type.DIRECT) {
 			return Proxy.NO_PROXY
 		}
-		if (address.isNullOrEmpty() || port == 0) {
+		if (address.isNullOrEmpty() || port < 0 || port > 0xFFFF) {
 			throw ProxyConfigException()
 		}
 		cachedProxy?.let {

app/src/main/kotlin/org/koitharu/kotatsu/core/network/GZipInterceptor.kt

@@ -4,21 +4,23 @@ import okhttp3.Interceptor
 import okhttp3.MultipartBody
 import okhttp3.Response
 import okio.IOException
+import org.koitharu.kotatsu.core.exceptions.WrapperIOException
 import org.koitharu.kotatsu.core.network.CommonHeaders.CONTENT_ENCODING
 
 class GZipInterceptor : Interceptor {
 
-	override fun intercept(chain: Interceptor.Chain): Response {
+	override fun intercept(chain: Interceptor.Chain): Response = try {
 		val request = chain.request()
 		if (request.body is MultipartBody) {
-			return chain.proceed(request)
-		}
-		val newRequest = request.newBuilder()
-		newRequest.addHeader(CONTENT_ENCODING, "gzip")
-		return try {
+			chain.proceed(request)
+		} else {
+			val newRequest = request.newBuilder()
+			newRequest.addHeader(CONTENT_ENCODING, "gzip")
 			chain.proceed(newRequest.build())
-		} catch (e: NullPointerException) {
-			throw IOException(e)
 		}
+	} catch (e: IOException) {
+		throw e
+	} catch (e: Exception) {
+		throw WrapperIOException(e)
 	}
 }

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

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.core.exceptions.ProxyConfigException
 import org.koitharu.kotatsu.core.exceptions.SyncApiException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
+import org.koitharu.kotatsu.core.exceptions.WrapperIOException
 import org.koitharu.kotatsu.core.exceptions.WrongPasswordException
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.io.NullOutputStream
@@ -54,6 +55,8 @@ fun Throwable.getDisplayMessage(resources: Resources): String = getDisplayMessag
 	?: resources.getString(R.string.error_occurred)
 
 private fun Throwable.getDisplayMessageOrNull(resources: Resources): String? = when (this) {
+	is CaughtException -> cause.getDisplayMessageOrNull(resources)
+	is WrapperIOException -> cause.getDisplayMessageOrNull(resources)
 	is ScrobblerAuthRequiredException -> resources.getString(
 		R.string.scrobbler_auth_required,
 		resources.getString(scrobbler.titleResId),
@@ -141,7 +144,8 @@ fun Throwable.getCauseUrl(): String? = when (this) {
 	is ParseException -> url
 	is NotFoundException -> url
 	is TooManyRequestExceptions -> url
-	is CaughtException -> cause?.getCauseUrl()
+	is CaughtException -> cause.getCauseUrl()
+	is WrapperIOException -> cause.getCauseUrl()
 	is NoDataReceivedException -> url
 	is CloudFlareBlockedException -> url
 	is CloudFlareProtectedException -> url
@@ -175,7 +179,10 @@ fun Throwable.isReportable(): Boolean {
 		return true
 	}
 	if (this is CaughtException) {
-		return cause?.isReportable() == true
+		return cause.isReportable()
+	}
+	if (this is WrapperIOException) {
+		return cause.isReportable()
 	}
 	if (ExceptionResolver.canResolve(this)) {
 		return false

app/src/main/kotlin/org/koitharu/kotatsu/local/data/PagesCache.kt

@@ -24,6 +24,7 @@ import org.koitharu.kotatsu.core.util.ext.subdir
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.takeIfWriteable
 import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
+import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.parsers.util.suspendlazy.suspendLazy
 import java.io.File

app/src/main/kotlin/org/koitharu/kotatsu/reader/domain/PageLoader.kt

@@ -184,7 +184,7 @@ class PageLoader @Inject constructor(
 		prefetchLock.withLock {
 			while (prefetchQueue.isNotEmpty()) {
 				val page = prefetchQueue.pollFirst() ?: return@launch
-				if (cache.get(page.url) == null) {
+				if (cache.get(page.url) == null) { // FIXME use pageUrl
 					synchronized(tasks) {
 						tasks[page.id] = loadPageAsyncImpl(page, skipCache = false, isPrefetch = true)
 					}
@@ -202,6 +202,7 @@ class PageLoader @Inject constructor(
 		val progress = MutableStateFlow(PROGRESS_UNDEFINED)
 		val deferred = loaderScope.async {
 			if (!skipCache) {
+				// FIXME use pageUrl
 				cache.get(page.url)?.let { return@async it.toUri() }
 			}
 			counter.incrementAndGet()

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderInfoBarView.kt

@@ -232,6 +232,9 @@ class ReaderInfoBarView @JvmOverloads constructor(
 	}
 
 	private fun Drawable.drawWithOutline(canvas: Canvas) {
+		if (bounds.isEmpty) {
+			return
+		}
 		var requiredScale = (bounds.width() + paint.strokeWidth * 2f) / bounds.width().toFloat()
 		setTint(currentOutlineColor)
 		canvas.withScale(requiredScale, requiredScale, bounds.exactCenterX(), bounds.exactCenterY()) {

app/src/main/kotlin/org/koitharu/kotatsu/widget/WidgetUpdater.kt

@@ -30,7 +30,7 @@ class WidgetUpdater @Inject constructor(
 	private fun updateWidgets(cls: Class<*>) {
 		val intent = Intent(context, cls)
 		intent.action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
-		val ids = AppWidgetManager.getInstance(context)
+		val ids = (AppWidgetManager.getInstance(context) ?: return)
 			.getAppWidgetIds(ComponentName(context, cls))
 		intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
 		context.sendBroadcast(intent)

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

@@ -6,4 +6,5 @@
 	<bool name="com_samsung_android_icon_container_has_icon_container">true</bool>
 	<bool name="is_color_themes_available">false</bool>
 	<bool name="is_sync_enabled">true</bool>
+	<bool name="is_predictive_back_enabled">true</bool>
 </resources>

app/src/release/res/values/bools.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<!-- Disable predictive back due to crashes -->
+	<bool name="is_predictive_back_enabled">false</bool>
+</resources>