我有一个问题，当扫描条码与斑马tc520k触摸电脑条码扫描仪。在我的情况下，有几个条形码打印彼此接近。但这只是我感兴趣的条形码之一。问题是，如果我没有瞄准正确的方向，扫描器就会在我感兴趣的条形码旁边扫描错误的条形码。我要扫描的特定条形码是一种特定的值格式，格式是由9位数字（0-9）组成的值。例如：“123456789”或“012301231”。在androidjavaemdk中是否有一个内置的特性、方法或属性可以用来过滤我感兴趣的特定条形码？我该怎么做？
我看到有一个选择不同解码器的选项，但我认为这不够具体到只针对值为9位的条形码。
澄清图片：

谢谢！

更新：

我试着设置解码器 code128 长度为9 length1 以及 length2 . 但是条形码扫描器仍然扫描所有的条形码，不仅仅是长度为9位的条形码。下面是如何初始化扫描仪并设置扫描仪配置：

// Method to initialize and enable Scanner and its listeners
    public void initializeScanner() throws ScannerException {
        if (scanner == null) {
            // Get the Barcode Manager object
            barcodeManager = (BarcodeManager) this.emdkManager
                    .getInstance(EMDKManager.FEATURE_TYPE.BARCODE);
            // Get default scanner defined on the device
            scanner = barcodeManager.getDevice(BarcodeManager.DeviceIdentifier.DEFAULT);
            // Add data and status listeners
            scanner.addDataListener(this);
            scanner.addStatusListener(this);
            // Hard trigger. When this mode is set, the user has to manually
            // press the trigger on the device after issuing the read call.
            // scanner.triggerType = Scanner.TriggerType.HARD;
            scanner.triggerType = Scanner.TriggerType.SOFT_ALWAYS;

            // Enable the scanner
            scanner.enable();

            // Scan Mode set to Multi Barcode
            ScannerConfig sc = scanner.getConfig();
            sc.readerParams.readerSpecific.imagerSpecific.scanMode = ScannerConfig.ScanMode.SINGLE_BARCODE;
            sc.decoderParams.code128.length1 = 9;
            sc.decoderParams.code128.length2 = 9;
            sc.readerParams.readerSpecific.imagerSpecific.beamTimer = 0;
            sc.readerParams.readerSpecific.imagerSpecific.aimTimer = 0;
            scanner.setConfig(sc);

            // Starts an asynchronous Scan. The method will not turn ON the
            // scanner. It will, however, put the scanner in a state in which
            // the scanner can be turned ON either by pressing a hardware
            // trigger or can be turned ON automatically.
            try {

                    scanner.addDataListener(this);

                    // Scan Mode set to Multi Barcode
                    //ScannerConfig sc = scanner.getConfig();
                    sc.readerParams.readerSpecific.imagerSpecific.scanMode = ScannerConfig.ScanMode.SINGLE_BARCODE;
                    // Thread.sleep(100);
                    sc.decoderParams.code128.length1 = 9;
                    sc.decoderParams.code128.length2 = 9;
                    sc.readerParams.readerSpecific.imagerSpecific.beamTimer = 0;
                    sc.readerParams.readerSpecific.imagerSpecific.aimTimer = 0;
                    // Thread.sleep(100);
                    scanner.setConfig(sc);

                    // scanner.read();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

我必须禁用所有其他解码器才能工作吗？我必须只启用 code128 还是怎么了？