secugen_fp_capture 0.0.8

secugen_fp_capture: ^0.0.8 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';

import 'package:flutter/services.dart';
import 'package:secugen_fp_capture/secugen_fp_capture.dart';

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

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

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

class _MyAppState extends State<MyApp> {
  List<Uint8List?> imageData = [];
  String? error;
  final _secugenFpCapturePlugin = SecugenFpCapture();

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: SafeArea(
          child: Column(
            children: [
              if (error != null) Text(error!),
              Expanded(
                child: (imageData.isNotEmpty)
                    ? GridView.builder(
                        gridDelegate:
                            const SliverGridDelegateWithFixedCrossAxisCount(
                          crossAxisCount: 3,
                        ),
                        itemBuilder: (context, index) {
                          return Container(
                            padding: const EdgeInsets.symmetric(horizontal: 10),
                            child: Image.memory(
                              width: 100,
                              height: 200,
                              imageData[index]!,
                            ),
                          );
                        },
                        itemCount: imageData.length,
                      )
                    : Container(),
              ),
              ElevatedButton(
                onPressed: () {
                  _checkPermission();
                },
                child: const Text('Check permission'),
              ),
              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {
                  _requestPermission();
                },
                child: const Text('Request permission'),
              ),
              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {
                  _captureFingerPrint();
                },
                child: const Text('Capture Fingerprint'),
              ),
              const SizedBox(height: 10),
              ElevatedButton(
                onPressed: () {
                  _closeCapturing();
                },
                child: const Text('Close Capturing'),
              ),
            ],
          ),
        ),
      ),
    );
  }

  _captureFingerPrint() async {
    try {
      final result = await _secugenFpCapturePlugin.captureFingerprint();
      imageData.add(result);

      // print('imageData');
      // print(imageData);
      error = null;

      setState(() {});
    } on PlatformException catch (e) {
      print('error is $e');
      print('errorCode is ${e.details["ErrorCode"]}');
      error = e.message;
      setState(() {});
    }
  }

  _closeCapturing() async {
    try {
      await _secugenFpCapturePlugin.closeCapture();
    } on PlatformException catch (e) {
      print('close error is $e');
    }
  }

  _checkPermission() async {
    try {
      bool? result = await _secugenFpCapturePlugin.checkDeviceUSBPermission();
      print('checked permission $result');
    } on PlatformException catch (e) {
      print('close error is $e');
    }
  }

  _requestPermission() async {
    try {
      bool? result = await _secugenFpCapturePlugin.requestDeviceUSBPermission();
      print('requested permission $result');
    } on PlatformException catch (e) {
      print('close error is $e');
    }
  }
}