import 'package:flutter/material.dart'; import '../core/navigation/navigator_key.dart'; /// 统一提示封装(对齐 uni.showToast 的常用场景) void showToast(BuildContext context, String message, {bool error = false}) { ScaffoldMessenger.of(context).hideCurrentSnackBar(); ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text(message), backgroundColor: error ? const Color(0xFFB71C1C) : const Color(0xFF323232), behavior: SnackBarBehavior.floating, duration: const Duration(seconds: 2), ), ); } /// 全局提示:供没有 BuildContext 的地方调用(网络层、Provider) void showGlobalToast(String message, {bool error = false}) { final context = navigatorKey.currentContext; if (context != null) showToast(context, message, error: error); }