ironchip_lbfraud 2.0.13

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/material.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();
  }

  // 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);

      _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, {});

      _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: Container(
        margin: const EdgeInsets.all(40.0),
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              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(),
    );
  }
}