import 'package:flutter/material.dart'; import '../../core/theme/app_theme.dart'; /// Toast 服务 /// 统一的消息提示管理 class ToastService { /// 显示成功提示 static void showSuccess(BuildContext context, String message) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Row( children: [ const Icon(Icons.check_circle, color: Colors.white, size: 20), const SizedBox(width: 12), Expanded(child: Text(message)), ], ), backgroundColor: AppTheme.successColor, duration: const Duration(seconds: 3), behavior: SnackBarBehavior.floating, margin: const EdgeInsets.all(16), ), ); } /// 显示错误提示 static void showError(BuildContext context, String message) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Row( children: [ const Icon(Icons.error, color: Colors.white, size: 20), const SizedBox(width: 12), Expanded(child: Text(message)), ], ), backgroundColor: AppTheme.errorColor, duration: const Duration(seconds: 4), behavior: SnackBarBehavior.floating, margin: const EdgeInsets.all(16), ), ); } /// 显示警告提示 static void showWarning(BuildContext context, String message) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Row( children: [ const Icon(Icons.warning, color: Colors.white, size: 20), const SizedBox(width: 12), Expanded(child: Text(message)), ], ), backgroundColor: AppTheme.warningColor, duration: const Duration(seconds: 3), behavior: SnackBarBehavior.floating, margin: const EdgeInsets.all(16), ), ); } /// 显示信息提示 static void showInfo(BuildContext context, String message) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Row( children: [ const Icon(Icons.info, color: Colors.white, size: 20), const SizedBox(width: 12), Expanded(child: Text(message)), ], ), backgroundColor: AppTheme.primaryColor, duration: const Duration(seconds: 3), behavior: SnackBarBehavior.floating, margin: const EdgeInsets.all(16), ), ); } }