qr_code_to_image

"QR_Code_to_Image" is a Flutter plugin that provides a range of features for working with QR codes. With this plugin, you can easily generate QR codes, display them on the screen, convert them into images, and share them with other users. Additionally, you have the ability to scan existing QR codes and copy their content.

Thanks to "QR_Code_to_Image", creating and managing QR codes becomes simple and efficient. Whether for professional or personal needs, this plugin offers a comprehensive solution for integrating QR code functionalities into your Flutter application

Using

    Open the project  /android/app/buil.gradle 

    change this

    android {
        compileSdkVersion 34
        
    }

    add this
    
    defaultConfig {
        multiDexEnabled true
    }

Using You'll need url_launcher to open links

To generate a qr code, convert to image and share

    import 'package:qr_code_to_image/qr_code_to_image.dart';

    GestureDetector(
        onTap: (){
            QrCodeToImage.showQrCodeScreen(context, textQrCode: textQr.text.trim(),textButton: "Convert Qr code to image and share", colorWidgetTest: Colors.pink);
        },
        child: Container(
            height: 50,
            color: Colors.pink,
            child: const Center(
            child: Text("Generate Qr code",
                style: TextStyle(
                    fontSize: 16,
                    color: Colors.white
                    ),
                ),
            ),
        ),
    ),

Explanation:

To scan a qr code:

    import 'package:qr_code_to_image/qr_code_to_image.dart';
    
    GestureDetector(
        onTap: () {
            QrCodeToImage.scanQrCode(lineColor: "#ff6666",cancelButtonText: "Anuler").then((value) {
                if(value!.isNotEmpty){
                    setState(() {
                    qrCodeResult = value;
                    });
                }
            });
        },
        child: Container(
            height: 50,
            decoration: BoxDecoration(
                border: Border.all(color: Colors.pink, width: 1)
            ),
        child: const Center(
            child: Text("Scan and Share QR Code", 
                style: TextStyle(
                    color: Colors.pink
                    )
                )
            ),
        ),
    ),

To scan a BarCode:

    import 'package:qr_code_to_image/qr_code_to_image.dart';
    
    GestureDetector(
        onTap: () {
            QrCodeToImage.scanBarCode(lineColor: "#ff6666",cancelButtonText: "Anuler").then((value) {
                if(value!.isNotEmpty){
                    setState(() {
                        qrCodeResult = value;
                    });
                }
            });
        },
        child: Container(
            height: 50,
            color: Colors.pinkAccent,
            child: const Center(
            child: Text("Scan BarCode",
                style: TextStyle(
                    color: Colors.pink
                )
                )
            ),
        ),
    ),