qr_bar_code_scanner_dialog 0.0.2

Plugin to scan Bar/QR code easly with Flutter.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

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

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

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

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

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  final _qrBarCodeScannerDialogPlugin = QrBarCodeScannerDialog();

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await _qrBarCodeScannerDialogPlugin.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  String? code;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Builder(builder: (context) {
          return Material(
            child: Center(
              child: Column(
                children: [
                  Text('Running on: $_platformVersion\n'),
                  ElevatedButton(
                      onPressed: () {
                        _qrBarCodeScannerDialogPlugin.getScannedQrBarCode(
                            context: context,
                            onCode: (code) {
                              setState(() {
                                this.code = code;
                              });
                            });
                      },
                      child: Text(code ?? "Click me"))
                ],
              ),
            ),
          );
        }),
      ),
    );
  }
}