dependencies:
  flutter:
    sdk: flutter
  ...
  trustdevice_pro_plugin: ^1.0.0

//The following permissions are not required to be applied for,and can be
//selectively applied for according to business conditions
 Future<void> _requestPermission() async {
    Map<Permission, PermissionStatus> statuses = await [
      Permission.location,
      Permission.phone,
    ].request();
  }

import 'package:trustdevice_pro_plugin/trustdevice_pro_plugin.dart';
// ...

// Initialization
class _MyAppState extends State<MyApp> {
  final _trustdeviceProPlugin = TrustdeviceProPlugin();
  @override
  void initState() async {
    super.initState();
    Map<String, dynamic> configMap = {
    "appKey": "<appKey>", // configure AppKey, please contact TrustDecision Operations to obtain it 
    "appName": "<appName>", // app Name, such as appName, please fill in your app Name
    "partner": "<partner>",// Partner code, such as demo, please fill in your partner, get from trustDecision
    "country": "<country>" // Country parameter，E.g: cn、sg、us、fra
    };
    //initialize the configuration and return the blackbox
    var blackbox = await _trustdeviceProPlugin.initWithOptions(configMap);
  }
  // ...
}

 Future<String> _getPlatformBlackBox() async {
    var blackbox = await _trustdeviceProPlugin.getBlackbox();
    return Future.value(blackbox);
  }

// Get SDK Version
 Future<String> _getSDKVersion() async {
    var sdkVersion = await _trustdeviceProPlugin.getSDKVersion();
    return Future.value(sdkVersion);
  }