dependencies {
    implementation 'com.google.android.gms:play-services-vision:20.1.3'
    // 其他依赖...
}

<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />

<application>
    <meta-data
        android:name="com.google.android.gms.vision.DEPENDENCIES"
        android:value="barcode,face" />
    <!-- 根据你需要使用的功能添加value -->
</application>

public class BarcodeScanner {
    private CameraSource cameraSource;
    private BarcodeDetector barcodeDetector;
    private Context context;
    
    public BarcodeScanner(Context context) {
        this.context = context;
        barcodeDetector = new BarcodeDetector.Builder(context)
            .setBarcodeFormats(Barcode.ALL_FORMATS)
            .build();
            
        cameraSource = new CameraSource.Builder(context, barcodeDetector)
            .setRequestedPreviewSize(640, 480)
            .setAutoFocusEnabled(true)
            .build();
    }
    
    public void start(TextureView textureView, BarcodeDetector.Processor<Barcode> processor) {
        barcodeDetector.setProcessor(processor);
        try {
            cameraSource.start(textureView.getSurfaceTexture());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    
    public void stop() {
        cameraSource.stop();
        barcodeDetector.release();
    }
}

public class AndroidLauncher extends AndroidApplication {
    private TextureView textureView;
    private BarcodeScanner barcodeScanner;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        // 创建LibGDX视图
        AndroidApplicationConfiguration config = new AndroidApplicationConfiguration();
        View gameView = initializeForView(new MyGdxGame(), config);
        
        // 创建TextureView用于摄像头预览
        textureView = new TextureView(this);
        textureView.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
            @Override
            public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
                barcodeScanner = new BarcodeScanner(AndroidLauncher.this);
                barcodeScanner.start(textureView, new BarcodeProcessor());
            }
            
            // 其他必要的方法实现...
        });
        
        // 创建布局
        RelativeLayout layout = new RelativeLayout(this);
        layout.addView(gameView, RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);
        layout.addView(textureView, 300, 300); // 调整大小和位置
        
        setContentView(layout);
    }
    
    private class BarcodeProcessor implements BarcodeDetector.Processor<Barcode> {
        @Override
        public void receiveDetections(Detections<Barcode> detections) {
            SparseArray<Barcode> barcodes = detections.getDetectedItems();
            if (barcodes.size() > 0) {
                // 处理检测到的条码
                String value = barcodes.valueAt(0).displayValue;
                // 可以通过接口将结果传递到LibGDX核心代码
            }
        }
        
        @Override
        public void release() {}
    }
}

public interface BarcodeResultHandler {
    void handleBarcodeResult(String barcode);
}