feat(delete):删除里面文件夹

lib/utils/PermissionUtil.dart

@@ -0,0 +1,53 @@
+import 'dart:io';
+import 'package:permission_handler/permission_handler.dart';
+
+class PermissionUtil{
+  /// 安卓权限
+  static List<Permission> androidPermissions = <Permission>[
+    // 在这里添加需要的权限
+    Permission.storage
+  ];
+
+  /// ios权限
+  static List<Permission> iosPermissions = <Permission>[
+    // 在这里添加需要的权限
+    Permission.storage
+  ];
+
+  static Future<Map<Permission, PermissionStatus>> requestAll() async {
+    if (Platform.isIOS) {
+      return await iosPermissions.request();
+    }
+    return await androidPermissions.request();
+  }
+
+  static Future<Map<Permission, PermissionStatus>> request(
+      Permission permission) async {
+    final List<Permission> permissions = <Permission>[permission];
+    return await permissions.request();
+  }
+
+  static bool isDenied(Map<Permission, PermissionStatus> result) {
+    var isDenied = false;
+    result.forEach((key, value) {
+      if (value == PermissionStatus.denied) {
+        isDenied = true;
+        return;
+      }
+    });
+    return isDenied;
+  }
+
+
+  /// 检查权限
+  static Future<bool> checkGranted(Permission permission) async {
+    PermissionStatus storageStatus = await permission.status;
+    if (storageStatus == PermissionStatus.granted) {
+      //已授权
+      return true;
+    } else {
+      //拒绝授权
+      return false;
+    }
+  }
+}