Android根据pid vid 判断是什么类型摄像头

import android.content.Context;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;

import java.util.HashMap;

/**
 * 判断该摄像头是否具备红外模组 并返回摄像头下标
 * Created by maple on 2019-12-16 09:46
 * E-Mail Address：740917401@qq.com
 */
public class CameraUtils {

    /**
     * @param context 上下文
     * @param isColor true：彩色摄像头下标 false:红外摄像头下标
     * @return index：摄像头下标
     */
    public static CameraBean isColorAndIrCamera(Context context, boolean isColor) {
        try {
            UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
            HashMap<String, UsbDevice> usbList = manager.getDeviceList();
            int index;
            int colorIndex = -1;
            int irIndex = -1;
            for (String key : usbList.keySet()) {
                UsbDevice usbDevice = usbList.get(key);
                 //Log.e("CameraBean", "pid:" + usbDevice.getProductId() + " vid:" + usbDevice.getVendorId() +
//" isColor:"+isColor+" "+  " getDeviceName:"+usbDevice.getDeviceName());
                if (usbDevice != null) {
                    if (usbDevice.getProductId() == 304 && usbDevice.getVendorId() == 6257) {
                        String[] split = usbDevice.getDeviceName().split("/");
                        colorIndex = Integer.parseInt(split[split.length - 2]);
                    }
                    if (usbDevice.getProductId() == 25446
                            && usbDevice.getVendorId() == 3141) {
                        String[] split = usbDevice.getDeviceName().split("/");
                        irIndex = Integer.parseInt(split[split.length - 2]);
                    }

                }

            }
            //不是红外模组
            if (colorIndex == -1 && irIndex == -1) {
                return new CameraBean(false);
            } else {
    /**比较倒数第二项 作为usb端口 通电后先读取地位端口 即：001 先 004 后 所以 cameraIndex 001的是0 cameraIndex 004的是1
                 * 彩色摄像头 pid:304 vid:6257 isColor:true  getDeviceName:/dev/bus/usb/004/002
                 * 红外摄像头 pid:25446 vid:3141 isColor:true  getDeviceName:/dev/bus/usb/001/003
                 * **/
                if (isColor) {//彩色摄像头的下标
                    index = colorIndex > irIndex ? 1 : 0;
                } else {//红外摄像头的下标
                    index = irIndex > colorIndex ? 1: 0;
                }
                 //Log.e("CameraBean", " index:"+index+" isColor:"+isColor);
                return new CameraBean(index, true);
            }
        } catch (Exception e) {
            Log.e("CameraUtils", e.getLocalizedMessage());
        }
        return new CameraBean(false);
    }

    public static class CameraBean {
        int cameraIndex;//摄像头下标
        boolean isColorAndIrCamera;//是否具备红外模组的摄像头

        public CameraBean(int cameraIndex, boolean isColorAndIrCamera) {
            this.cameraIndex = cameraIndex;
            this.isColorAndIrCamera = isColorAndIrCamera;
        }

        public CameraBean(boolean isColorAndIrCamera) {
            this.isColorAndIrCamera = isColorAndIrCamera;
        }

        public int getCameraIndex() {
            return cameraIndex;
        }

        public boolean isColorAndIrCamera() {
            return isColorAndIrCamera;
        }

    }
}