WebDav恢复出错时报错

app/src/main/java/io/legado/app/help/storage/WebDavHelp.kt

@@ -51,11 +51,11 @@ object WebDavHelp {
         return false
     }
 
+    @Throws(Exception::class)
     private fun getWebDavFileNames(): ArrayList<String> {
         val url = rootWebDavUrl
         val names = arrayListOf<String>()
         if (initWebDav()) {
-            try {
             var files = WebDav(url).listFiles()
             files = files.reversed()
             for (index: Int in 0 until min(10, files.size)) {
@@ -63,16 +63,13 @@ object WebDavHelp {
                     names.add(it)
                 }
             }
-            } catch (e: Exception) {
-                return names
-            }
         }
         return names
     }
 
-    suspend fun showRestoreDialog(context: Context): Boolean {
+    suspend fun showRestoreDialog(context: Context) {
         val names = withContext(IO) { getWebDavFileNames() }
-        return if (names.isNotEmpty()) {
+        if (names.isNotEmpty()) {
             withContext(Main) {
                 context.selector(
                     title = context.getString(R.string.select_restore_file),
@@ -83,9 +80,8 @@ object WebDavHelp {
                     }
                 }
             }
-            true
         } else {
-            false
+            throw Exception("Web dav no back up file")
         }
     }
 

app/src/main/java/io/legado/app/ui/config/BackupRestoreUi.kt

@@ -19,6 +19,7 @@ import io.legado.app.help.storage.WebDavHelp
 import io.legado.app.ui.filechooser.FilePicker
 import io.legado.app.utils.getPrefString
 import io.legado.app.utils.isContentPath
+import io.legado.app.utils.longToast
 import io.legado.app.utils.toast
 import kotlinx.coroutines.Dispatchers.Main
 import org.jetbrains.anko.toast
@@ -77,8 +78,9 @@ object BackupRestoreUi {
 
     fun restore(fragment: Fragment) {
         Coroutine.async(context = Main) {
-            val restoreFromWebDav = WebDavHelp.showRestoreDialog(fragment.requireContext())
-            if (!restoreFromWebDav) {
+            WebDavHelp.showRestoreDialog(fragment.requireContext())
+        }.onError {
+            fragment.longToast("WebDavError:${it.localizedMessage}，将从本地备份恢复。")
             val backupPath = fragment.getPrefString(PreferKey.backupPath)
             if (backupPath?.isNotEmpty() == true) {
                 if (backupPath.isContentPath()) {
@@ -97,7 +99,6 @@ object BackupRestoreUi {
             }
         }
     }
-    }
 
     fun restoreByFolder(fragment: Fragment) {
         selectBackupFolder(fragment, restoreSelectRequestCode)