Fix crashes

app/build.gradle

@@ -82,7 +82,7 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:e9d473711d') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:c892a38c52') {
 		exclude group: 'org.json', module: 'json'
 	}
 

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

@@ -26,7 +26,7 @@ class CompositeMutex<T : Any> : Set<T> {
 	}
 
 	override fun isEmpty(): Boolean {
-		return state.isEmpty
+		return state.isEmpty()
 	}
 
 	override fun iterator(): Iterator<T> {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/CompositeMutex2.kt

@@ -19,7 +19,7 @@ class CompositeMutex2<T : Any> : Set<T> {
 	}
 
 	override fun isEmpty(): Boolean {
-		return delegates.isEmpty
+		return delegates.isEmpty()
 	}
 
 	override fun iterator(): Iterator<T> {

app/src/main/kotlin/org/koitharu/kotatsu/settings/AppearanceSettingsFragment.kt

@@ -139,6 +139,7 @@ class AppearanceSettingsFragment :
 
 		private val deviceLocales = LocaleManagerCompat.getSystemLocales(context)
 			.map { it.language }
+			.distinct()
 
 		override fun compare(a: Locale, b: Locale): Int {
 			return if (a === b) {

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/BackupDialogFragment.kt

@@ -16,6 +16,7 @@ import org.koitharu.kotatsu.core.ui.AlertDialogFragment
 import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.core.util.ext.tryLaunch
 import org.koitharu.kotatsu.databinding.DialogProgressBinding
 import java.io.File
 import java.io.FileOutputStream
@@ -81,7 +82,10 @@ class BackupDialogFragment : AlertDialogFragment<DialogProgressBinding>() {
 
 	private fun onBackupDone(file: File) {
 		this.backup = file
-		saveFileContract.launch(file.name)
+		if (!saveFileContract.tryLaunch(file.name)) {
+			Toast.makeText(requireContext(), R.string.operation_not_supported, Toast.LENGTH_SHORT).show()
+			dismiss()
+		}
 	}
 
 	private fun saveBackup(file: File, output: Uri) {
@@ -91,7 +95,7 @@ class BackupDialogFragment : AlertDialogFragment<DialogProgressBinding>() {
 					it.write(file.readBytes())
 				}
 			}
-			Toast.makeText(requireContext(), R.string.backup_saved, Toast.LENGTH_LONG).show()
+			Toast.makeText(requireContext(), R.string.backup_saved, Toast.LENGTH_SHORT).show()
 			dismiss()
 		} catch (e: InterruptedException) {
 			throw e

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupWorker.kt

@@ -52,9 +52,9 @@ class PeriodicalBackupWorker @AssistedInject constructor(
 		}
 		val dirUri = settings.periodicalBackupOutput ?: return Result.success(resultData)
 		val target = DocumentFile.fromTreeUri(applicationContext, dirUri)
-			?.createFile("application/zip", file.name)
+			?.createFile("application/zip", file.nameWithoutExtension)
 			?.uri ?: return Result.failure()
-		applicationContext.contentResolver.openOutputStream(target)?.use { output ->
+		applicationContext.contentResolver.openOutputStream(target, "wt")?.use { output ->
 			file.source().use { input ->
 				output.sink().buffer().writeAllCancellable(input)
 			}