fix: 清除缓存dialog

lib/utils/cache_manage.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
@@ -50,14 +51,18 @@ class CacheManage {
   Future<double> getTotalSizeOfFilesInDir(final FileSystemEntity file) async {
     if (file is File) {
       int length = await file.length();
-      return double.parse(length.toString());
+      return length.toDouble();
     }
     if (file is Directory) {
-      final List<FileSystemEntity> children = file.listSync();
       double total = 0;
-      for (final FileSystemEntity child in children) {
+      try {
+        await for (final FileSystemEntity child in file.list()) {
           total += await getTotalSizeOfFilesInDir(child);
         }
+      } catch (e) {
+        // 处理错误，例如记录日志或显示错误消息
+        print('读取目录时出错: $e');
+      }
       return total;
     }
     return 0;
@@ -77,16 +82,17 @@ class CacheManage {
 
   // 清除缓存
   Future<bool> clearCacheAll() async {
-    bool cleanStatus = await SmartDialog.show(
+    bool? cleanStatus = await showDialog<bool>(
-      useSystem: true,
+      context: Get.context!,
-      animationType: SmartAnimationType.centerFade_otherSlide,
       builder: (BuildContext context) {
         return AlertDialog(
           title: const Text('提示'),
           content: const Text('该操作将清除图片及网络请求缓存数据，确认清除？'),
           actions: [
             TextButton(
-              onPressed: (() => {SmartDialog.dismiss()}),
+              onPressed: () {
+                Navigator.of(context).pop(false);
+              },
               child: Text(
                 '取消',
                 style: TextStyle(color: Theme.of(context).colorScheme.outline),
@@ -94,7 +100,15 @@ class CacheManage {
             ),
             TextButton(
               onPressed: () async {
-                SmartDialog.dismiss();
+                Navigator.of(context).pop(true);
+              },
+              child: const Text('确认'),
+            ),
+          ],
+        );
+      },
+    );
+    if (cleanStatus != null && cleanStatus) {
       SmartDialog.showLoading(msg: '正在清除...');
       try {
         // 清除缓存 图片缓存
@@ -106,29 +120,26 @@ class CacheManage {
         SmartDialog.dismiss();
         SmartDialog.showToast(err.toString());
       }
-              },
+    }
-              child: const Text('确认'),
+    return cleanStatus!;
-            )
-          ],
-        );
-      },
-    ).then((res) {
-      return true;
-    });
-    return cleanStatus;
   }
 
   /// 清除 Documents 目录下的 DioCache.db
-  Future clearApplicationCache() async {
+  Future<void> clearApplicationCache() async {
+    try {
       Directory directory = await getApplicationDocumentsDirectory();
       if (directory.existsSync()) {
         String dioCacheFileName =
             '${directory.path}${Platform.pathSeparator}DioCache.db';
-      var dioCacheFile = File(dioCacheFileName);
+        File dioCacheFile = File(dioCacheFileName);
-      if (dioCacheFile.existsSync()) {
+        if (await dioCacheFile.exists()) {
-        dioCacheFile.delete();
+          await dioCacheFile.delete();
         }
       }
+    } catch (e) {
+      // 处理错误，例如记录日志或显示错误消息
+      print('清除缓存时出错: $e');
+    }
   }
 
   // 清除 Library/Caches 目录及文件缓存