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HomePage.xaml.cs
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HomePage.xaml.cs
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using ScanbotSDK.MAUI.Configurations;
using ScanbotSDK.MAUI.Constants;
using ScanbotSDK.MAUI.Services;
using SBSDK = ScanbotSDK.MAUI.ScanbotBarcodeSDK;
namespace UseCases.MAUI.Pages;
public partial class HomePage : ContentPage
{
private List<UseCaseOption> useCases;
private List<UseCaseOption> arUseCases;
private const int rowHeight = 45;
public HomePage()
{
InitializeComponent();
useCases = new List<UseCaseOption>
{
new UseCaseOption("Scanning Single Barcodes", ScanSingleBarcode),
new UseCaseOption("Scanning Multiple Barcodes", ScanMultipleBarcodes),
new UseCaseOption("Batch Scanning", ScanBarcodesInBatch),
new UseCaseOption("Scanning Tiny Barcodes", ScanTinyBarcodes),
new UseCaseOption("Scanning Distant Barcodes", ScanDistantBarcodes),
new UseCaseOption("Detecting Barcodes on Still Images", DetectOnStillImage)
};
arUseCases = new List<UseCaseOption>
{
new UseCaseOption("AR-MultiScan", ArMultipleScan),
new UseCaseOption("AR-SelectScan", ArSelectScan)
};
UseCaseList.ItemsSource = useCases;
ArUseCaseList.ItemsSource = arUseCases;
// size fix for iOS
UseCaseList.HeightRequest = rowHeight * (useCases.Count + 1); // + 1 for the header,
ArUseCaseList.HeightRequest = rowHeight * (arUseCases.Count + 1); // + 1 for the header
}
private async Task ScanSingleBarcode()
{
var result = await SBSDK.BarcodeService.OpenBarcodeScannerView(new BarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
ConfirmationDialogConfiguration = new BarcodeConfirmationDialogConfiguration
{
ResultWithConfirmationEnabled = true,
Title = "Scanning Single Barcodes",
Message = "",
ConfirmButtonTitle = "Finish",
TextFormat = BarcodeTextFormat.Code,
RetryButtonTitle = "Retry"
}
});
// result.Barcodes will contain the barcodes which were detected.
}
private async Task ScanMultipleBarcodes()
{
var result = await SBSDK.BarcodeService.OpenBatchBarcodeScannerView(new BatchBarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
FinderEnabled = false,
CodeDensity = BarcodeDensity.High,
SubmitButtonTitle = "Finish"
});
// result.Barcodes will contain the barcodes which were selected.
}
private async Task ScanBarcodesInBatch()
{
var result = await SBSDK.BarcodeService.OpenBatchBarcodeScannerView(new BatchBarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
SubmitButtonTitle = "Finish"
});
// result.Barcodes will contain the barcodes which were selected.
}
private async Task ScanTinyBarcodes()
{
var result = await SBSDK.BarcodeService.OpenBarcodeScannerView(new BarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
MinFocusDistanceLock = true,
ConfirmationDialogConfiguration = new BarcodeConfirmationDialogConfiguration
{
ResultWithConfirmationEnabled = true,
Title = "Scanning Tiny Barcodes",
Message = "",
ConfirmButtonTitle = "Finish",
TextFormat = BarcodeTextFormat.Code,
RetryButtonTitle = "Retry"
}
});
// result.Barcodes will contain the barcodes which were detected.
}
private async Task ScanDistantBarcodes()
{
var result = await SBSDK.BarcodeService.OpenBarcodeScannerView(new BarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
CameraZoomLevel = 1.0f,
ConfirmationDialogConfiguration = new BarcodeConfirmationDialogConfiguration
{
ResultWithConfirmationEnabled = true,
Title = "Scanning Distant Barcodes",
Message = "",
ConfirmButtonTitle = "Finish",
TextFormat = BarcodeTextFormat.Code,
RetryButtonTitle = "Retry"
}
});
// result.Barcodes will contain the barcodes which were detected.
}
private async Task DetectOnStillImage()
{
var selectedImage = await SBSDK.PickerService.PickImageAsync(new ImagePickerConfiguration { Title = "Gallery" });
var barcodes = await SBSDK.DetectionService.DetectBarcodesFrom(selectedImage, new BarcodeDetectionConfiguration
{
AdditionalParameters = new BarcodeScannerAdditionalParameters
{
CodeDensity = BarcodeDensity.High,
}
});
if (barcodes?.Count > 0)
{
var barcodesAsText = barcodes.Select(barcode => $"{barcode.Format}: {barcode.Text}").ToArray();
await DisplayActionSheet("Found barcodes", "Finish", null, barcodesAsText);
}
else
{
await DisplayAlert("No barcodes detected", "Counld not find any barcodes in the selected image. Try again", "Finish");
}
}
private async Task ArMultipleScan()
{
var result = await SBSDK.BarcodeService.OpenBatchBarcodeScannerView(new BatchBarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
FinderEnabled = false,
CodeDensity = BarcodeDensity.High,
SubmitButtonTitle = "Finish",
OverlayConfiguration = new SelectionOverlayConfiguration(
automaticSelectionEnabled: true,
overlayFormat: BarcodeTextFormat.None,
polygon: Colors.Red,
text: Colors.White,
textContainer: Colors.Red)
});
// result.Barcodes will contain the barcodes which were selected.
}
private async Task ArSelectScan()
{
var result = await SBSDK.BarcodeService.OpenBatchBarcodeScannerView(new BatchBarcodeScannerConfiguration
{
OrientationLockMode = InterfaceOrientation.Portrait,
SuccessBeepEnabled = false,
FinderEnabled = false,
CodeDensity = BarcodeDensity.High,
SubmitButtonTitle = "Finish",
OverlayConfiguration = new SelectionOverlayConfiguration(
automaticSelectionEnabled: false,
overlayFormat: BarcodeTextFormat.Code,
polygon: Colors.Red,
text: Colors.White,
textContainer: Colors.Red)
});
// result.Barcodes will contain the barcodes which were selected.
}
private async void UseCaseSelected(System.Object sender, Microsoft.Maui.Controls.SelectionChangedEventArgs e)
{
if (e?.CurrentSelection.FirstOrDefault() is UseCaseOption service && service.NavigationAction != null)
{
if (SBSDK.SDKService.GetLicenseInfo()?.IsValid != true)
{
await DisplayAlert("Oops!", "License expired or invalid", "Dismiss");
return;
}
await service.NavigationAction();
}
if (sender is CollectionView listView)
{
listView.SelectedItem = null;
}
}
}