import 'package:flutter/services.dart'; import 'package:loopin/IM/im_friend_listeners.dart'; class WechatBusinessView { static const MethodChannel _channel = MethodChannel('wechat_business_view'); // mainactivity.kt,appdelegate.swift /// 调起微信确认收款码 static Future openBusinessView({required String packageInfo}) async { try { final result = await _channel.invokeMethod('openBusinessView', { 'package': packageInfo, }); return result == true; } on PlatformException catch (e) { logger.w('调用失败: ${e.message}'); return false; } } }