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IBarcodeResultListener

IBarcodeResultListener is the interface to handle callbacks when the barcode results are returned.

interface IBarcodeResultListener
Method Description
BarcodeResultCallback The callback is triggered when the library finished processing and returns the barcode results.

BarcodeResultCallback

The callback is triggered when the library finished processing and returns the barcode results. Users can get barcode results from the method.

void BarcodeResultCallback(int frameID, BarcodeResult[] barcodeResults);

Parameters

[in] barcodeResults: A group of barcode results that are decoded from the latest processed video frame.

Code Snippet

// Add IBarcodeResultListener to your page class
public partial class DBRRendererPage : ContentPage, IBarcodeResultListener
{
    public DBRRendererPage()
    {
        // Add the result listener so that you can receive the barcode results from the BarcodeResultCallback.
        App.barcodeReader.AddResultListener(this);
        // You have to set camera enhancer as the video source to decode from video stream.
        App.barcodeReader.SetCameraEnhancer();
        ...
    }
    ...
    protected override void OnAppearing()
    {
        base.OnAppearing();
        // Open the camera.
        App.camera.Open();
        // Start the barcode decoding thread.
        App.barcodeReader.StartScanning();
    }

    protected override void OnDisappearing()
    {
        base.OnDisappearing();
        App.camera.Close();
        App.barcodeReader.StopScanning();
    }
    public void BarcodeResultCallback(BarcodeResult[] barcodeResults)
    {
        // Add your code to execute here when barcode results are received.
    }
}

This page is compatible for:

Version 1.0

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