Fix crashes

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

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.network.webview
 
 import android.content.Context
+import android.util.AndroidRuntimeException
 import android.webkit.WebSettings
 import android.webkit.WebView
 import android.webkit.WebViewClient
@@ -41,7 +42,13 @@ class WebViewExecutor @Inject constructor(
 	private val mutex = Mutex()
 
 	val defaultUserAgent: String? by lazy {
-		WebSettings.getDefaultUserAgent(context)
+		try {
+			WebSettings.getDefaultUserAgent(context)
+		} catch (e: AndroidRuntimeException) {
+			e.printStackTraceDebug()
+			// Probably WebView is not available
+			null
+		}
 	}
 
 	suspend fun evaluateJs(baseUrl: String?, script: String): String? = mutex.withLock {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/pager/chapters/ChaptersSelectionCallback.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.details.ui.pager.chapters
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
+import android.widget.Toast
 import androidx.appcompat.view.ActionMode
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.snackbar.Snackbar
@@ -11,6 +12,7 @@ import org.koitharu.kotatsu.core.model.LocalMangaSource
 import org.koitharu.kotatsu.core.nav.AppRouter
 import org.koitharu.kotatsu.core.ui.list.BaseListSelectionCallback
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.toCollection
 import org.koitharu.kotatsu.core.util.ext.toSet
 import org.koitharu.kotatsu.details.ui.pager.ChaptersPagesViewModel
@@ -78,11 +80,20 @@ class ChaptersSelectionCallback(
 					ids.size == manga.chapters?.size -> viewModel.deleteLocal()
 					else -> {
 						LocalChaptersRemoveService.start(recyclerView.context, manga, ids.toSet())
-						Snackbar.make(
+						try {
-							recyclerView,
+							Snackbar.make(
-							R.string.chapters_will_removed_background,
+								recyclerView,
-							Snackbar.LENGTH_LONG,
+								R.string.chapters_will_removed_background,
-						).show()
+								Snackbar.LENGTH_LONG,
+							).show()
+						} catch (e: IllegalArgumentException) {
+							e.printStackTraceDebug()
+							Toast.makeText(
+								recyclerView.context,
+								R.string.chapters_will_removed_background,
+								Toast.LENGTH_SHORT,
+							).show()
+						}
 					}
 				}
 				mode?.finish()

app/src/main/kotlin/org/koitharu/kotatsu/settings/about/AppUpdateActivity.kt

@@ -137,7 +137,7 @@ class AppUpdateActivity : BaseActivity<ActivityAppUpdateBinding>(), View.OnClick
 		viewModel.installIntent.value?.let { intent ->
 			try {
 				startActivity(intent)
-			} catch (e: ActivityNotFoundException) {
+			} catch (e: Exception) {
 				onError(e)
 			}
 			return