init

lib/zhiwen_method_channel.dart

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+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+import 'zhiwen_platform_interface.dart';
+
+/// An implementation of [ZhiwenPlatform] that uses method channels.
+class MethodChannelZhiwen extends ZhiwenPlatform {
+  /// The method channel used to interact with the native platform.
+  @visibleForTesting
+  final methodChannel = const MethodChannel('zhiwen');
+
+  @override
+  Future<String?> getPlatformVersion() async {
+    final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
+    return version;
+  }
+
+  @override
+  Future<bool> openDevice(String devicePath, int baudRate) async {
+    final result = await methodChannel.invokeMethod<bool>(
+      'openDevice',
+      {'devicePath': devicePath, 'baudRate': baudRate},
+    );
+    return result ?? false;
+  }
+
+  @override
+  Future<void> closeDevice() async {
+    await methodChannel.invokeMethod('closeDevice');
+  }
+
+  @override
+  Future<Map<String, dynamic>> enrollFingerprint(int userId) async {
+    final result = await methodChannel.invokeMethod('enrollFingerprint', {'userId': userId});
+    return Map<String, dynamic>.from(result as Map);
+  }
+
+  @override
+  Future<Map<String, dynamic>> verifyFingerprint(int userId) async {
+    final result = await methodChannel.invokeMethod('verifyFingerprint', {'userId': userId});
+    return Map<String, dynamic>.from(result as Map);
+  }
+
+  @override
+  Future<Map<String, dynamic>> deleteAllFingerprint() async {
+    final result = await methodChannel.invokeMethod('deleteAllFingerprint');
+    return Map<String, dynamic>.from(result as Map);
+  }
+
+  @override
+  Future<Map<String, dynamic>> deleteOneFingerprint(int userId) async {
+    final result = await methodChannel.invokeMethod('deleteOneFingerprint', {'userId': userId});
+    return Map<String, dynamic>.from(result as Map);
+  }
+
+  @override
+  Future<Map<String, dynamic>> identifyFingerprint() async {
+    final result = await methodChannel.invokeMethod('identifyFingerprint');
+    return Map<String, dynamic>.from(result as Map);
+  }
+
+  @override
+  Future<Map<String, dynamic>> getUserCount() async {
+    final result = await methodChannel.invokeMethod('getUserCount');
+    return Map<String, dynamic>.from(result as Map);
+  }
+}