ironchip_lbfraud 2.0.16

Flutter plugin designed for Location Fraud Detection, powered by the analysis of environmental signals to detect and prevent fraudulent activities effectively.

example/lib/main.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'dart:async';
import 'dart:math';

import 'package:ironchip_lbfraud/ironchip_lbfraud.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _lbfraudPlugin = IronchipLbfraud();
  String apiKey =
      "APIKEY"; // Replace APIKEY with the desired generated api key.
  bool _isLbfraudInitialized = false;

  Environment selectedEnv = Environment.production;

  String userID = "[e-mail]"; // User identifier
  String _showResult = "";
  bool _resultError = false;

  @override
  void initState() {
    super.initState();
  }

  Future _determinePosition() async {
    bool serviceEnabled;
    LocationPermission permission;

    // Test if location services are enabled.
    serviceEnabled = await Geolocator.isLocationServiceEnabled();
    if (!serviceEnabled) {
      // Location services are not enabled don't continue
      // accessing the position and request users of the
      // App to enable the location services.
      return Future.error('Location services are disabled.');
    }

    permission = await Geolocator.checkPermission();
    if (permission == LocationPermission.denied) {
      permission = await Geolocator.requestPermission();
      if (permission == LocationPermission.denied) {
        // Permissions are denied, next time you could try
        // requesting permissions again (this is also where
        // Android's shouldShowRequestPermissionRationale
        // returned true. According to Android guidelines
        // your App should show an explanatory UI now.
        return Future.error('Location permissions are denied');
      }
    }

    if (permission == LocationPermission.deniedForever) {
      // Permissions are denied forever, handle appropriately.
      return Future.error(
          'Location permissions are permanently denied, we cannot request permissions.');
    }

    // When we reach here, permissions are granted and we can
    // continue accessing the position of the device.
    var pos = await Geolocator.getCurrentPosition();
    if (kDebugMode) {
      print("lat: ${pos.latitude}, long: ${pos.longitude}");
    }
  }

  // LBFraud methods are asynchronous, so we initialize in an async method.
  Future<void> initLBFraudState() async {
    try {
      // Replace APIKEY with the desired generated api key.
      // By default our SDK target to the production environment.
      // In case you desire to target a diferent enviroment:
      // LBFraudSDK fraud = new LbfraudFlutterPlugin.initFraudSDK("APIKEY", env: Environment.testing);
      await _lbfraudPlugin.initFraudSDK(apiKey, env: selectedEnv);
      // If your device is configured with the proxy, set the configuration to the plugin:
      // await _lbfraudPlugin.setProxy("xxx.xxx.xxx.xxx", 8080);
      _isLbfraudInitialized = true;
    } catch (e) {
      _isLbfraudInitialized = false;
    }

    setState(() {
      _isLbfraudInitialized = _isLbfraudInitialized;
    });
  }

  String generateRandomTransactionID(int length) {
    const chars =
        'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890';
    Random rnd = Random();

    return String.fromCharCodes(Iterable.generate(
        length, (_) => chars.codeUnitAt(rnd.nextInt(chars.length))));
  }

  Future<void> sendTransaction() async {
    try {
      // TransactionID (required,unique): transaction identifier request for fraud results
      // UserID (required): User identifier
      // extraData (optional): extra information for analysis
      // You can omit the await in case the result of the action isn't necessary
      var result = await _lbfraudPlugin.sendTransaction(
          generateRandomTransactionID(10), userID, <String, Object>{});

      _showResult = result!;
      _resultError = false;
    } catch (e) {
      _showResult = e.toString();
      _resultError = true;
    }

    setState(() {
      _resultError = _resultError;
      _showResult = _showResult;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Ironchip LBFraud example app'),
          backgroundColor: const Color(0xFF005255),
        ),
        body: Center(
          child: SingleChildScrollView(
            child: Container(
              margin: const EdgeInsets.all(40.0),
              child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: <Widget>[
                    ElevatedButton(
                      onPressed: _determinePosition,
                      style: ElevatedButton.styleFrom(
                        backgroundColor: const Color(
                            0xFF95C11F), // Set button color to #4eed56
                      ),
                      child: const Text('Request Location Permission'),
                    ),
                    const SizedBox(height: 20),
                    TextField(
                      onChanged: (value) {
                        apiKey = value;
                      },
                      decoration: const InputDecoration(labelText: "API Key"),
                    ),
                    const SizedBox(height: 20),
                    DropdownButtonExample(
                      onChange: (Environment env) {
                        selectedEnv = env;
                      },
                    ),
                    const SizedBox(height: 20),
                    Text(
                      _isLbfraudInitialized
                          ? "LBFraud initialized"
                          : "LBFraud is not initialized",
                      style: TextStyle(
                        color: _isLbfraudInitialized
                            ? const Color(0xFF95C11F)
                            : const Color(0xFFF44336),
                      ),
                    ),
                    const SizedBox(height: 20),
                    ElevatedButton(
                      onPressed: initLBFraudState,
                      style: ElevatedButton.styleFrom(
                        backgroundColor: const Color(
                            0xFF95C11F), // Set button color to #4eed56
                      ),
                      child: const Text('Initialize LBFraud'),
                    ),
                    TextField(
                      onChanged: (value) {
                        userID = value;
                      },
                      decoration: const InputDecoration(labelText: "User ID"),
                    ),
                    const SizedBox(height: 20),
                    ElevatedButton(
                      onPressed: _isLbfraudInitialized ? sendTransaction : null,
                      style: ElevatedButton.styleFrom(
                        backgroundColor: const Color(
                            0xFF95C11F), // Set button color to #4eed56
                      ),
                      child: const Text('Send Transaction'),
                    ),
                    const SizedBox(height: 20),
                    Text(
                      _showResult,
                      style: TextStyle(
                        color: _resultError
                            ? const Color(0xFFF44336)
                            : Colors.black,
                      ),
                    ),
                  ]),
            ),
          ),
        ),
      ),
    );
  }
}

const List<String> list = <String>['Production', 'Testing', 'Development'];

class DropdownButtonExample extends StatefulWidget {
  const DropdownButtonExample({super.key, this.onChange});
  final void Function(Environment)? onChange;

  @override
  State<DropdownButtonExample> createState() => _DropdownButtonExampleState();
}

class _DropdownButtonExampleState extends State<DropdownButtonExample> {
  String dropdownValue = list.first;

  @override
  Widget build(BuildContext context) {
    return DropdownButton<String>(
      value: dropdownValue,
      icon: const Icon(Icons.arrow_downward),
      elevation: 16,
      style: const TextStyle(color: Color(0xFF95C11F)),
      underline: Container(
        height: 2,
        color: const Color(0xFF95C11F),
      ),
      onChanged: (String? value) {
        // This is called when the user selects an item.
        if (widget.onChange != null) {
          switch (value) {
            case 'Production':
              widget.onChange!(Environment.production);
              break;
            case 'Testing':
              widget.onChange!(Environment.testing);
              break;
            case 'Development':
              widget.onChange!(Environment.develoment);
              break;
          }
        }

        setState(() {
          dropdownValue = value!;
        });
      },
      items: list.map<DropdownMenuItem<String>>((String value) {
        return DropdownMenuItem<String>(
          value: value,
          child: Text(value),
        );
      }).toList(),
    );
  }
}