4.0.0 io.github.jimmy-j usbcamera 2.3.6 aar usbcamera usb 摄像头预览库 https://github.com/Jimmy-J/FaceRecognitionDemo The Apache License, Version 2.0 http://www.apache.org/licenses/LICENSE-2.0.txt szfacebook jimmy jiaomin288@gmail.com https://github.com/umeng/MultiFunctionAndroidDemo.git https://github.com/umeng/MultiFunctionAndroidDemo.git https://github.com/umeng/MultiFunctionAndroidDemo