1

lib/zhiwen_platform_interface.dart

@@ -1,4 +1,5 @@
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+import 'dart:async';
 
 import 'zhiwen_method_channel.dart';
 
@@ -24,6 +25,11 @@ abstract class ZhiwenPlatform extends PlatformInterface {
   Future<Map<String, dynamic>> deleteOneFingerprint(int userId);
   Future<Map<String, dynamic>> identifyFingerprint();
   Future<Map<String, dynamic>> getUserCount();
+
+  /// 获取指纹录入进度事件流
+  /// 返回包含 step, totalSteps, progress, message 的 Map
+  Stream<Map<String, dynamic>> get progressStream;
+
   /// Platform-specific implementations should set this with their own
   /// platform-specific class that extends [ZhiwenPlatform] when
   /// they register themselves.