init

lib/zhiwen.dart

@@ -0,0 +1,40 @@
+
+import 'zhiwen_platform_interface.dart';
+
+class Zhiwen {
+  Future<String?> getPlatformVersion() {
+    return ZhiwenPlatform.instance.getPlatformVersion();
+  }
+
+  Future<bool> openDevice(String devicePath, int baudRate) {
+    return ZhiwenPlatform.instance.openDevice(devicePath, baudRate);
+  }
+
+  Future<void> closeDevice() {
+    return ZhiwenPlatform.instance.closeDevice();
+  }
+
+  Future<Map<String, dynamic>> enrollFingerprint(int userId) {
+    return ZhiwenPlatform.instance.enrollFingerprint(userId);
+  }
+
+  Future<Map<String, dynamic>> verifyFingerprint(int userId) {
+    return ZhiwenPlatform.instance.verifyFingerprint(userId);
+  }
+
+  Future<Map<String, dynamic>> deleteAllFingerprint() {
+    return ZhiwenPlatform.instance.deleteAllFingerprint();
+  }
+
+  Future<Map<String, dynamic>> deleteOneFingerprint(int userId) {
+    return ZhiwenPlatform.instance.deleteOneFingerprint(userId);
+  }
+
+  Future<Map<String, dynamic>> identifyFingerprint() {
+    return ZhiwenPlatform.instance.identifyFingerprint();
+  }
+
+  Future<Map<String, dynamic>> getUserCount() {
+    return ZhiwenPlatform.instance.getUserCount();
+  }
+}

lib/zhiwen_method_channel.dart

@@ -0,0 +1,67 @@
+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);
+  }
+}

lib/zhiwen_platform_interface.dart

@@ -0,0 +1,38 @@
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+import 'zhiwen_method_channel.dart';
+
+abstract class ZhiwenPlatform extends PlatformInterface {
+  /// Constructs a ZhiwenPlatform.
+  ZhiwenPlatform() : super(token: _token);
+
+  static final Object _token = Object();
+
+  static ZhiwenPlatform _instance = MethodChannelZhiwen();
+
+  /// The default instance of [ZhiwenPlatform] to use.
+  ///
+  /// Defaults to [MethodChannelZhiwen].
+  static ZhiwenPlatform get instance => _instance;
+
+  Future<String?> getPlatformVersion();
+  Future<bool> openDevice(String devicePath, int baudRate);
+  Future<void> closeDevice();
+  Future<Map<String, dynamic>> enrollFingerprint(int userId);
+  Future<Map<String, dynamic>> verifyFingerprint(int userId);
+  Future<Map<String, dynamic>> deleteAllFingerprint();
+  Future<Map<String, dynamic>> deleteOneFingerprint(int userId);
+  Future<Map<String, dynamic>> identifyFingerprint();
+  Future<Map<String, dynamic>> getUserCount();
+  /// Platform-specific implementations should set this with their own
+  /// platform-specific class that extends [ZhiwenPlatform] when
+  /// they register themselves.
+  static set instance(ZhiwenPlatform instance) {
+    PlatformInterface.verifyToken(instance, _token);
+    _instance = instance;
+  }
+
+  // Future<String?> getPlatformVersion() {
+  //   throw UnimplementedError('platformVersion() has not been implemented.');
+  // }
+}