Question

I want to Implement a QR Code Reader In BlackBerry Os 6. I try the following Code On the Basis of KB Article How to use the Barcode API.

public class ScanScreen extends MainScreen implements BarcodeDecoderListener 
{ 
    private LabelField match; 
    private BarcodeScanner scanner; 
 
    public ScanScreen() 
    { 
        match = new LabelField("Scanning..."); 
        add(match); 
        Vector supported = new Vector(); 
        
        supported.addElement(BarcodeFormat.QR_CODE); 
        
        Hashtable hints = new Hashtable(); 
        
        hints.put(DecodeHintType.POSSIBLE_FORMATS, supported); 
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        
        BarcodeDecoder decoder = new BarcodeDecoder(hints);
        
      try 
        { 
            scanner = new BarcodeScanner(decoder, this); 
            add(scanner.getViewfinder()); 
            scanner.startScan();
        } 
        catch (Exception e) 
        { 
            e.printStackTrace(); 
            match.setText("Exception");
            invalidate();
        } 
    } 
 
    public void barcodeDecoded(String rawText) 
    { 
        match.setText("Found: " + rawText); 
        invalidate();
    } 
 
    public void close() 
    { 
        try 
        { 
            scanner.stopScan(); 
        } 
        catch (Exception e) 
        { 
            e.printStackTrace(); 
        } 
 
        super.close(); 
    } 
} 

The Code not working. It do not recognize QR codes. I try to focus on different QR codes. But it not decode The qrcodes.Also It not Thrown Any exceptions. Please Help me….

I tried using these Devices: BB pearl 9105 and BB Storm 9530

Answer 1

See the sample from the following link.It will help you

http://aliirawan-wen.blogspot.com/2011/05/barcode-scanner-for-blackberry-os-50.html