Rawresult to integer

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Java

Android

@Override
    public void handleResult(Result rawResult) {

        try {
            Uri notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
            Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification);
            r.play();
        } catch (Exception e) {}
        int n = Integer.parseInt(rawResult.getText());
        showMessageDialog("Contents = " + rawResult.getText() + ", Format = " + rawResult.getBarcodeFormat().toString());
        Toast.makeText(getApplicationContext(), "vlaue is "+n, Toast.LENGTH_LONG).show();
    }

What I have tried:

I am trying to convert string to integer i am using barcode app,i want to play with results but i first must convert to integer to do math with output!
This code gives me blanck withe screen without error and app crashes.