fix: 安卓图片存储权限调整，仅在Android13及以上使用相册授权

lib/utils/download.dart

@@ -1,10 +1,12 @@
 import 'dart:typed_data';
 
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:saver_gallery/saver_gallery.dart';
+import 'dart:io';
 
 class DownloadUtils {
   // 获取存储权限
@@ -43,39 +45,52 @@ class DownloadUtils {
     PermissionStatus status = await Permission.photos.status;
     if (status == PermissionStatus.denied ||
         status == PermissionStatus.permanentlyDenied) {
-      SmartDialog.show(
-        useSystem: true,
-        animationType: SmartAnimationType.centerFade_otherSlide,
-        builder: (BuildContext context) {
-          return AlertDialog(
-            title: const Text('提示'),
-            content: const Text('相册权限未授权'),
-            actions: [
-              TextButton(
-                onPressed: () async {
-                  openAppSettings();
-                },
-                child: const Text('去授权'),
-              )
-            ],
-          );
-        },
-      );
+      // SmartDialog.show(
+      //   useSystem: true,
+      //   animationType: SmartAnimationType.centerFade_otherSlide,
+      //   builder: (BuildContext context) {
+      //     return AlertDialog(
+      //       title: const Text('提示'),
+      //       content: const Text('相册权限未授权'),
+      //       actions: [
+      //         TextButton(
+      //           onPressed: () async {
+      //             openAppSettings();
+      //           },
+      //           child: const Text('去授权'),
+      //         )
+      //       ],
+      //     );
+      //   },
+      // );
       return false;
     } else {
       return true;
     }
   }
 
+  static Future<bool> checkPermissionDependOnSdkInt() async {
+    if (Platform.isAndroid) {
+      final androidInfo = await DeviceInfoPlugin().androidInfo;
+      if (androidInfo.version.sdkInt <= 32) {
+        return await requestStoragePer();
+      } else {
+        return await requestPhotoPer();
+      }
+    }
+    return await requestStoragePer();
+  }
   static Future<bool> downloadImg(String imgUrl,
       {String imgType = 'cover'}) async {
     try {
-      if (!await requestPhotoPer()) {
-        return false;
+      if (!await checkPermissionDependOnSdkInt()) {
+      //   // return false;
       }
-      SmartDialog.showLoading(msg: '保存中');
+      SmartDialog.showLoading(msg: '正在下载原图');
       var response = await Dio()
           .get(imgUrl, options: Options(responseType: ResponseType.bytes));
+      SmartDialog.dismiss();
+      SmartDialog.showLoading(msg: '正在保存图片至图库');
       String picName =
           "${imgType}_${DateTime.now().toString().replaceAll(' ', '_').replaceAll(':', '-').split('.').first}";
       final SaveResult result = await SaverGallery.saveImage(