Update saf

lib/foundation/image_provider/local_comic_image.dart

@@ -2,7 +2,6 @@ import 'dart:async' show Future, StreamController;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:venera/foundation/local.dart';
-import 'package:venera/network/images.dart';
 import 'package:venera/utils/io.dart';
 import 'base_image_provider.dart';
 import 'local_comic_image.dart' as image_provider;
@@ -50,7 +49,11 @@ class LocalComicImageProvider
     if(file == null) {
       throw "Error: Cover not found.";
     }
-    return file.readAsBytes();
+    var data = await file.readAsBytes();
+    if(data.isEmpty) {
+      throw "Exception: Empty file(${file.path}).";
+    }
+    return data;
   }
 
   @override

lib/pages/settings/app.dart

@@ -34,25 +34,8 @@ class _AppSettingsState extends State<AppSettings> {
           callback: () async {
             String? result;
             if (App.isAndroid) {
-              var channel = const MethodChannel("venera/storage");
-              var permission = await channel.invokeMethod('');
-              if (permission != true) {
-                context.showMessage(message: "Permission denied".tl);
-                return;
-              }
-              var path = await selectDirectory();
-              if (path != null) {
-                // check if the path is writable
-                var testFile = File(FilePath.join(path, "test"));
-                try {
-                  await testFile.writeAsBytes([1]);
-                  await testFile.delete();
-                } catch (e) {
-                  context.showMessage(message: "Permission denied".tl);
-                  return;
-                }
-                result = path;
-              }
+              var picker = DirectoryPicker();
+              result = (await picker.pickDirectory())?.path;
             } else if (App.isIOS) {
               result = await selectDirectoryIOS();
             } else {

pubspec.lock

@@ -417,8 +417,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: dd5242918da0ea9a0a50b0f87ade7a2def65453d
-      resolved-ref: dd5242918da0ea9a0a50b0f87ade7a2def65453d
+      ref: "3315082b9f7055655610e4f6f136b69e48228c05"
+      resolved-ref: "3315082b9f7055655610e4f6f136b69e48228c05"
       url: "https://github.com/pkuislm/flutter_saf.git"
     source: git
     version: "0.0.1"

pubspec.yaml

@@ -68,7 +68,7 @@ dependencies:
   flutter_saf:
     git: 
       url: https://github.com/pkuislm/flutter_saf.git
-      ref: dd5242918da0ea9a0a50b0f87ade7a2def65453d
+      ref: 3315082b9f7055655610e4f6f136b69e48228c05
   pdf: ^3.11.1
 
 dev_dependencies: