majascan 0.5.0

A qr code scanner flutter plugin project. Using method channel open native camera page scan QR code. Support iOS, Android.

example/lib/main.dart

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

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

void main() => runApp(MaterialApp(
      debugShowCheckedModeBanner: false,
      home: HomePage(),
    ));

class HomePage extends StatefulWidget {
  @override
  HomePageState createState() {
    return new HomePageState();
  }
}

class HomePageState extends State<HomePage> {
  String result = "Hey there !";

  Future _scanQR() async {
    try {
      String? qrResult = await MajaScan.startScan(
          title: "QRcode scanner",
          titleColor: Colors.amberAccent[700],
          qRCornerColor: Colors.orange,
          qRScannerColor: Colors.orange);
      setState(() {
        result = qrResult ?? 'null string';
      });
    } on PlatformException catch (ex) {
      if (ex.code == MajaScan.CameraAccessDenied) {
        setState(() {
          result = "Camera permission was denied";
        });
      } else {
        setState(() {
          result = "Unknown Error $ex";
        });
      }
    } on FormatException {
      setState(() {
        result = "You pressed the back button before scanning anything";
      });
    } catch (ex) {
      setState(() {
        result = "Unknown Error $ex";
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.amberAccent,
        title: Text("QR Scanner"),
      ),
      body: Center(
        child: Text(
          result,
          style: new TextStyle(fontSize: 30.0, fontWeight: FontWeight.bold),
        ),
      ),
      floatingActionButton: FloatingActionButton.extended(
        icon: Icon(Icons.camera_alt),
        label: Text("Scan"),
        onPressed: _scanQR,
      ),
      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
    );
  }
}