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 SubImports 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
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。
using IronQr;using IronSoftware.Drawing;FilePicker.Default.PickAsync(new PickOptions { FileTypes = FilePickerFileType.Images });AnyBitmap.FromFile(images.FullPath.ToString();IEnumerable<QrResult> results = reader.Read(imageInput);AnyBitmap.FromFile，无论格式如何都将其加载到位图中。 一个IEnumerable<QrResult>。 First().Value从第一个结果中提取解码的字符串。
Nuget Downloads 80,612|版本:2026.11刚刚发布
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