App crashing on opening QR Scanner Flutter

Question

I am using QR Scanner to scan a qr code but when I click on scan qr button the app is crashing. This is my code:

  Future scanQR() async {
    String barcode = await scanner.scan();
    setState(() => this.barcode = barcode);
    print(barcode);
  }

I am using this plugin for qr scanner:

https://pub.dev/packages/qrscan#-installing-tab-

I am not getting any errors in logs as well

Answer 1

您是否在 android 和 IOS 中添加了所需的权限？

Answer 2

通过使用不同的插件解决了这个问题

import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';