.NET MAUI QR码扫描器

VBC#

using IronQr;
using IronSoftware.Drawing;

// OnScanButtonClicked method triggered by the scan button
private async void OnScanButtonClicked(object sender, EventArgs e)
{
    // Open the device image picker
    var images = await FilePicker.Default.PickAsync(new PickOptions
    {
        PickerTitle = "Pick image",
        FileTypes = FilePickerFileType.Images
    });
    var imageSource = images.FullPath.ToString();

    // Load the selected image into AnyBitmap
    var inputBmp = AnyBitmap.FromFile(imageSource);

    // Load the asset into QrImageInput
    QrImageInput imageInput = new QrImageInput(inputBmp);

    // Create a QR Reader object
    QrReader reader = new QrReader();

    // Read the input and get all embedded QR Codes
    IEnumerable<QrResult> results = reader.Read(imageInput);

    // Display the first result
    resultLabel.Text = "Scanned Text: " + results.First().Value;
}

Imports IronQr
Imports IronSoftware.Drawing

' OnScanButtonClicked method triggered by the scan button
Private Async Sub OnScanButtonClicked(ByVal sender As Object, ByVal e As EventArgs)
    ' Open the device image picker
    Dim images = Await FilePicker.Default.PickAsync(New PickOptions With {
        .PickerTitle = "Pick image",
        .FileTypes = FilePickerFileType.Images
    })
    Dim imageSource = images.FullPath.ToString()

    ' Load the selected image into AnyBitmap
    Dim inputBmp = AnyBitmap.FromFile(imageSource)

    ' Load the asset into QrImageInput
    Dim imageInput As New QrImageInput(inputBmp)

    ' Create a QR Reader object
    Dim reader As New QrReader()

    ' Read the input and get all embedded QR Codes
    Dim results As IEnumerable(Of QrResult) = reader.Read(imageInput)

    ' Display the first result
    resultLabel.Text = "Scanned Text: " & results.First().Value
End Sub

PM > Install-Package IronQR

Install-Package IronQR

.NET MAUI QR码扫描器

using IronQR 在 .NET MAUI 移动应用中扫描二维码。使用QrReader.Read解码。在 Android 和 iOS 系统上通过单一共享代码库工作。

构建 MAUI QR 码扫描器的 5 步指南

using IronQr;
using IronSoftware.Drawing;
var images = await FilePicker.Default.PickAsync(new PickOptions { FileTypes = FilePickerFileType.Images });
var inputBmp = AnyBitmap.FromFile(images.FullPath.ToString();
IEnumerable<QrResult> results = reader.Read(imageInput);