一、引入qr_code_scanner: ^0.7.0出现的问题 1.在flutter项目中的pubspec.yaml引入qr_code_scanner: ^0.7.0后,编译项目,fluter项目中出现的问题如下: Launching lib/main.dart on 王淑宁的iPhone in debug mode... Automatically signing iOS for device deployment using specified development team in Xcode pro...
flutter_barcode_scanner (需要google服务) 根据项目情况,我们选择使用 qr_code_scanner 。 首先,pubspec.yaml 中添加: qr_code_scanner:^0.3.5 下一步,封装我们的UI层,创建 scan_code_page.dart 文件: import'dart:async';import'package:flutter/material.dart';import'package:qr_code_scanner/qr_code_scanner...
strings: {'cancel':'取消','flash_on':'闪光灯开/关','flash_off':'闪光灯开/关'});//返回扫描的参数varresult =awaitBarcodeScanner.scan(options: options);//扫描返回值的类型print(result.type);//返回参数print(result.rawContent);//格式print(result.format); }@overridevoidinitState() {super.i...
一、生成二维码 https://pub.flutter-io.cn/packages/qr_flutter qr_flutter: ^3.1.0 QrImage( data:"1234567890", version: QrVersions.auto, size:200.0, ), 全 //生成二维码import'package:flutter/material.dart'; import'package:qr_flutter/qr_flutter.dart';classRQTest extends StatefulWidget { @overri...
打开lib/flutter_qrcode_scanner.dart文件,把自动生成的代码替换成: ```dart class ScannerView extends StatefulWidget { const ScannerView({Key? key}) : super(key: key); @override State<StatefulWidget> createState() => _ScannerViewState();
("生成条形码"),color:Colors.blue,textColor:Colors.white,),],),)),);}///扫描二维码Futurescan()async{try{Stringbarcode=awaitscanner.scan();print("这是扫描出来的结果"+barcode);setState((){this.barcode=barcode;bytes=Uint8List(0);// ClipboardData data = new ClipboardData(text:barcode);// ...
import 'package:flutter/material.dart'; import 'package:flutter_qr_bar_scanner/qr_bar_scanner_camera.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter QR/Bar Code Reader', debugSho...
Steps to Build Windows Desktop Barcode QR Scanner in FlutterAdd the following dependencies to the pubspec.yaml file of your flutter project. flutter_barcode_sdk: ^2.2.2 camera_windows: git: url: https://github.com/yushulx/flutter_camera_windows.git Initialize the barcode reader with a trial...
该_result变量是一个字符串摆脱QR码数据的值。 这是我的全部代码: class _ScannerPageState extends State<ScannerPage> { String _password; String _result = ""; Future _scanQR() async { try { String qrResult = await BarcodeScanner.scan(); ...
QR Code Scanner A QR code scanner that works on both iOS and Android by natively embedding the platform view within Flutter. The integration with Flutter is seamless, much better than jumping into a native Activity or a ViewController to perform the scan. ...