OnClickListener scanTextListener = new OnClickListener(){
        @Override
        public void onClick(View v){
            scanAlert = IntentIntegrator.initiateScan(myActivity);
        }
    };

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
        if (scanResult != null) {
            // Scan wird zugewiesen....
        }
        super.onActivityResult(requestCode, resultCode, intent);
            // else continue with any other code you need in the method
    }