D:\androidMyWork\SmartCam\app\build\intermediates\classes\debug>javap -s com.admin.smartcam.javatoc.JavaToC
Compiled from "JavaToC.java"
public class com.admin.smartcam.javatoc.JavaToC {
  public com.admin.smartcam.javatoc.JavaToC();
    descriptor: ()V //这就是签名

  public native boolean FaceDetecter(byte[]);
    descriptor: ([B)Z  //这就是签名
}

D:\androidMyWork\SmartCam\app\build\intermediates\classes\debug>com.admin.smartcam.javatoc.JavaToC