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JNI规范文档

#ifndef JNI_H_
#define JNI_H_#include <sys/cdefs.h>
#include <stdarg.h>#ifdef HAVE_INTTYPES_H
# include <inttypes.h>      /* C99 *///这个是JNI规范中定义的基本数据类型//typedef 关键字,可以使用它来为类型取一个新的名字。//举个例子:typedef unsigned char BYTE;在这个类型定义之后,标识符 BYTE 可作为类型 unsigned char 的缩写
typedef uint8_t         jboolean;       /* unsigned 8 bits */
typedef int8_t          jbyte;          /* signed 8 bits */
typedef uint16_t        jchar;          /* unsigned 16 bits */
typedef int16_t         jshort;         /* signed 16 bits */
typedef int32_t         jint;           /* signed 32 bits */
typedef int64_t         jlong;          /* signed 64 bits */
typedef float           jfloat;         /* 32-bit IEEE 754 */
typedef double          jdouble;        /* 64-bit IEEE 754 */
#else
typedef unsigned char   jboolean;       /* unsigned 8 bits */
typedef signed char     jbyte;          /* signed 8 bits */
typedef unsigned short  jchar;          /* unsigned 16 bits */
typedef short           jshort;         /* signed 16 bits */
typedef int             jint;           /* signed 32 bits */
typedef long long       jlong;          /* signed 64 bits */
typedef float           jfloat;         /* 32-bit IEEE 754 */
typedef double          jdouble;        /* 64-bit IEEE 754 */
#endif/* "cardinal indices and sizes" */
typedef jint            jsize;			//表示返回数组的大小#ifdef __cplusplus
/** Reference types, in C++			//与C++有关的定义*/
class _jobject {};
class _jclass : public _jobject {};
class _jstring : public _jobject {};
class _jarray : public _jobject {};
class _jobjectArray : public _jarray {};
class _jbooleanArray : public _jarray {};
class _jbyteArray : public _jarray {};
class _jcharArray : public _jarray {};
class _jshortArray : public _jarray {};
class _jintArray : public _jarray {};
class _jlongArray : public _jarray {};
class _jfloatArray : public _jarray {};
class _jdoubleArray : public _jarray {};
class _jthrowable : public _jobject {};//为C++的一些类型进行重新定义
typedef _jobject*       jobject;
typedef _jclass*        jclass;
typedef _jstring*       jstring;
typedef _jarray*        jarray;
typedef _jobjectArray*  jobjectArray;
typedef _jbooleanArray* jbooleanArray;
typedef _jbyteArray*    jbyteArray;
typedef _jcharArray*    jcharArray;
typedef _jshortArray*   jshortArray;
typedef _jintArray*     jintArray;
typedef _jlongArray*    jlongArray;
typedef _jfloatArray*   jfloatArray;
typedef _jdoubleArray*  jdoubleArray;
typedef _jthrowable*    jthrowable;
typedef _jobject*       jweak;#else /* not __cplusplus *//** Reference types, in C.			//与C有关的,继续为类型起新的名字;有arrary表示按JNI 标准定义的数组类型*/				typedef void*           jobject;
typedef jobject         jclass;
typedef jobject         jstring;
typedef jobject         jarray;
typedef jarray          jobjectArray;
typedef jarray          jbooleanArray;
typedef jarray          jbyteArray;
typedef jarray          jcharArray;
typedef jarray          jshortArray;
typedef jarray          jintArray;
typedef jarray          jlongArray;
typedef jarray          jfloatArray;
typedef jarray          jdoubleArray;
typedef jobject         jthrowable;
typedef jobject         jweak;#endif /* not __cplusplus *///两个方法ID和字段ID
struct _jfieldID;                       /* opaque structure */
typedef struct _jfieldID* jfieldID;     /* field IDs */struct _jmethodID;                      /* opaque structure */
typedef struct _jmethodID* jmethodID;   /* method IDs *///定义一个结构体JNIInvokeInterface,是一个调用接口的结构体
struct JNIInvokeInterface; //定义一个联合体jvalue,里面有各种类型
typedef union jvalue {jboolean    z;jbyte       b;jchar       c;jshort      s;jint        i;jlong       j;jfloat      f;jdouble     d;jobject     l;
} jvalue;//定义一个枚举jobjectRefType,里面有各种枚举元素
typedef enum jobjectRefType {JNIInvalidRefType = 0,JNILocalRefType = 1,JNIGlobalRefType = 2,JNIWeakGlobalRefType = 3
} jobjectRefType;//定义一个动态注册JNINativeMethod结构体,这个与动态注册有关,里面有三个元素
typedef struct {const char* name; //第一个参数 name 是java 方法名;const char* signature; //第二个参数 signature 用于描述方法的参数与返回值,也就是java方法签名信息,void*       fnPtr; //第三个参数 fnPtr 是函数指针,指向 jni 函数;
} JNINativeMethod;//		其中,第二个参数 signature 使用字符串记录方法的参数与返回值,具体格式形如“()V”、“(II)V”,其中分为两部分,括号内表示的是参数,括号右侧表示的是返回值;struct _JNIEnv;
struct _JavaVM;//定义一个JNINativeInterface结构体,表示原生调用接口的结构体
typedef const struct JNINativeInterface* C_JNIEnv;#if defined(__cplusplus)
typedef _JNIEnv JNIEnv;
typedef _JavaVM JavaVM;
#else//这里有两个接口,一个是本地接口,一个是调用接口
typedef const struct JNINativeInterface* JNIEnv;//JNI本地接口
typedef const struct JNIInvokeInterface* JavaVM;//JNI调用接口
#endif//本地接口结构体的定义
struct JNINativeInterface {void*       reserved0;void*       reserved1;void*       reserved2;void*       reserved3;jint        (*GetVersion)(JNIEnv *);		//jint返回的是版本信息//jclass,返回的是类			jclass      (*DefineClass)(JNIEnv*, const char*, jobject, const jbyte*,jsize);jclass      (*FindClass)(JNIEnv*, const char*);jmethodID   (*FromReflectedMethod)(JNIEnv*, jobject);jfieldID    (*FromReflectedField)(JNIEnv*, jobject);jobject     (*ToReflectedMethod)(JNIEnv*, jclass, jmethodID, jboolean);jclass      (*GetSuperclass)(JNIEnv*, jclass);jboolean    (*IsAssignableFrom)(JNIEnv*, jclass, jclass);jobject     (*ToReflectedField)(JNIEnv*, jclass, jfieldID, jboolean);//与异常有关的方法jint        (*Throw)(JNIEnv*, jthrowable);jint        (*ThrowNew)(JNIEnv *, jclass, const char *);jthrowable  (*ExceptionOccurred)(JNIEnv*);void        (*ExceptionDescribe)(JNIEnv*);void        (*ExceptionClear)(JNIEnv*);void        (*FatalError)(JNIEnv*, const char*);jint        (*PushLocalFrame)(JNIEnv*, jint);jobject     (*PopLocalFrame)(JNIEnv*, jobject);jobject     (*NewGlobalRef)(JNIEnv*, jobject);void        (*DeleteGlobalRef)(JNIEnv*, jobject);void        (*DeleteLocalRef)(JNIEnv*, jobject);jboolean    (*IsSameObject)(JNIEnv*, jobject, jobject);jobject     (*NewLocalRef)(JNIEnv*, jobject);jint        (*EnsureLocalCapacity)(JNIEnv*, jint);//新建objectjobject     (*AllocObject)(JNIEnv*, jclass);jobject     (*NewObject)(JNIEnv*, jclass, jmethodID, ...);jobject     (*NewObjectV)(JNIEnv*, jclass, jmethodID, va_list);jobject     (*NewObjectA)(JNIEnv*, jclass, jmethodID, jvalue*);jclass      (*GetObjectClass)(JNIEnv*, jobject);jboolean    (*IsInstanceOf)(JNIEnv*, jobject, jclass);jmethodID   (*GetMethodID)(JNIEnv*, jclass, const char*, const char*);//调用方法jobject     (*CallObjectMethod)(JNIEnv*, jobject, jmethodID, ...);jobject     (*CallObjectMethodV)(JNIEnv*, jobject, jmethodID, va_list);jobject     (*CallObjectMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jboolean    (*CallBooleanMethod)(JNIEnv*, jobject, jmethodID, ...);jboolean    (*CallBooleanMethodV)(JNIEnv*, jobject, jmethodID, va_list);jboolean    (*CallBooleanMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jbyte       (*CallByteMethod)(JNIEnv*, jobject, jmethodID, ...);jbyte       (*CallByteMethodV)(JNIEnv*, jobject, jmethodID, va_list);jbyte       (*CallByteMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jchar       (*CallCharMethod)(JNIEnv*, jobject, jmethodID, ...);jchar       (*CallCharMethodV)(JNIEnv*, jobject, jmethodID, va_list);jchar       (*CallCharMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jshort      (*CallShortMethod)(JNIEnv*, jobject, jmethodID, ...);jshort      (*CallShortMethodV)(JNIEnv*, jobject, jmethodID, va_list);jshort      (*CallShortMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jint        (*CallIntMethod)(JNIEnv*, jobject, jmethodID, ...);jint        (*CallIntMethodV)(JNIEnv*, jobject, jmethodID, va_list);jint        (*CallIntMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jlong       (*CallLongMethod)(JNIEnv*, jobject, jmethodID, ...);jlong       (*CallLongMethodV)(JNIEnv*, jobject, jmethodID, va_list);jlong       (*CallLongMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jfloat      (*CallFloatMethod)(JNIEnv*, jobject, jmethodID, ...) __NDK_FPABI__;jfloat      (*CallFloatMethodV)(JNIEnv*, jobject, jmethodID, va_list) __NDK_FPABI__;jfloat      (*CallFloatMethodA)(JNIEnv*, jobject, jmethodID, jvalue*) __NDK_FPABI__;jdouble     (*CallDoubleMethod)(JNIEnv*, jobject, jmethodID, ...) __NDK_FPABI__;jdouble     (*CallDoubleMethodV)(JNIEnv*, jobject, jmethodID, va_list) __NDK_FPABI__;jdouble     (*CallDoubleMethodA)(JNIEnv*, jobject, jmethodID, jvalue*) __NDK_FPABI__;void        (*CallVoidMethod)(JNIEnv*, jobject, jmethodID, ...);void        (*CallVoidMethodV)(JNIEnv*, jobject, jmethodID, va_list);void        (*CallVoidMethodA)(JNIEnv*, jobject, jmethodID, jvalue*);jobject     (*CallNonvirtualObjectMethod)(JNIEnv*, jobject, jclass, jmethodID, ...);jobject     (*CallNonvirtualObjectMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jobject     (*CallNonvirtualObjectMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jboolean    (*CallNonvirtualBooleanMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);jboolean    (*CallNonvirtualBooleanMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jboolean    (*CallNonvirtualBooleanMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jbyte       (*CallNonvirtualByteMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);jbyte       (*CallNonvirtualByteMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jbyte       (*CallNonvirtualByteMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jchar       (*CallNonvirtualCharMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);jchar       (*CallNonvirtualCharMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jchar       (*CallNonvirtualCharMethodA)(JNIEnv*, jobject, jclass, jmethodID, jvalue*);jshort      (*CallNonvirtualShortMethod)(JNIEnv*, jobject, jclass, jmethodID, ...);jshort      (*CallNonvirtualShortMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jshort      (*CallNonvirtualShortMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jint        (*CallNonvirtualIntMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);jint        (*CallNonvirtualIntMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jint        (*CallNonvirtualIntMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jlong       (*CallNonvirtualLongMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);jlong       (*CallNonvirtualLongMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);jlong       (*CallNonvirtualLongMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);jfloat      (*CallNonvirtualFloatMethod)(JNIEnv*, jobject, jclass,jmethodID, ...) __NDK_FPABI__;jfloat      (*CallNonvirtualFloatMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list) __NDK_FPABI__;jfloat      (*CallNonvirtualFloatMethodA)(JNIEnv*, jobject, jclass, jmethodID, jvalue*) __NDK_FPABI__;jdouble     (*CallNonvirtualDoubleMethod)(JNIEnv*, jobject, jclass,jmethodID, ...) __NDK_FPABI__;jdouble     (*CallNonvirtualDoubleMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list) __NDK_FPABI__;jdouble     (*CallNonvirtualDoubleMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*) __NDK_FPABI__;void        (*CallNonvirtualVoidMethod)(JNIEnv*, jobject, jclass,jmethodID, ...);void        (*CallNonvirtualVoidMethodV)(JNIEnv*, jobject, jclass,jmethodID, va_list);void        (*CallNonvirtualVoidMethodA)(JNIEnv*, jobject, jclass,jmethodID, jvalue*);//获取各种字段jfieldID    (*GetFieldID)(JNIEnv*, jclass, const char*, const char*);jobject     (*GetObjectField)(JNIEnv*, jobject, jfieldID);jboolean    (*GetBooleanField)(JNIEnv*, jobject, jfieldID);jbyte       (*GetByteField)(JNIEnv*, jobject, jfieldID);jchar       (*GetCharField)(JNIEnv*, jobject, jfieldID);jshort      (*GetShortField)(JNIEnv*, jobject, jfieldID);jint        (*GetIntField)(JNIEnv*, jobject, jfieldID);jlong       (*GetLongField)(JNIEnv*, jobject, jfieldID);jfloat      (*GetFloatField)(JNIEnv*, jobject, jfieldID) __NDK_FPABI__;jdouble     (*GetDoubleField)(JNIEnv*, jobject, jfieldID) __NDK_FPABI__;//设置各种字段,返回为空void        (*SetObjectField)(JNIEnv*, jobject, jfieldID, jobject);void        (*SetBooleanField)(JNIEnv*, jobject, jfieldID, jboolean);void        (*SetByteField)(JNIEnv*, jobject, jfieldID, jbyte);void        (*SetCharField)(JNIEnv*, jobject, jfieldID, jchar);void        (*SetShortField)(JNIEnv*, jobject, jfieldID, jshort);void        (*SetIntField)(JNIEnv*, jobject, jfieldID, jint);void        (*SetLongField)(JNIEnv*, jobject, jfieldID, jlong);void        (*SetFloatField)(JNIEnv*, jobject, jfieldID, jfloat) __NDK_FPABI__;void        (*SetDoubleField)(JNIEnv*, jobject, jfieldID, jdouble) __NDK_FPABI__;jmethodID   (*GetStaticMethodID)(JNIEnv*, jclass, const char*, const char*);jobject     (*CallStaticObjectMethod)(JNIEnv*, jclass, jmethodID, ...);jobject     (*CallStaticObjectMethodV)(JNIEnv*, jclass, jmethodID, va_list);jobject     (*CallStaticObjectMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jboolean    (*CallStaticBooleanMethod)(JNIEnv*, jclass, jmethodID, ...);jboolean    (*CallStaticBooleanMethodV)(JNIEnv*, jclass, jmethodID,va_list);jboolean    (*CallStaticBooleanMethodA)(JNIEnv*, jclass, jmethodID,jvalue*);jbyte       (*CallStaticByteMethod)(JNIEnv*, jclass, jmethodID, ...);jbyte       (*CallStaticByteMethodV)(JNIEnv*, jclass, jmethodID, va_list);jbyte       (*CallStaticByteMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jchar       (*CallStaticCharMethod)(JNIEnv*, jclass, jmethodID, ...);jchar       (*CallStaticCharMethodV)(JNIEnv*, jclass, jmethodID, va_list);jchar       (*CallStaticCharMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jshort      (*CallStaticShortMethod)(JNIEnv*, jclass, jmethodID, ...);jshort      (*CallStaticShortMethodV)(JNIEnv*, jclass, jmethodID, va_list);jshort      (*CallStaticShortMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jint        (*CallStaticIntMethod)(JNIEnv*, jclass, jmethodID, ...);jint        (*CallStaticIntMethodV)(JNIEnv*, jclass, jmethodID, va_list);jint        (*CallStaticIntMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jlong       (*CallStaticLongMethod)(JNIEnv*, jclass, jmethodID, ...);jlong       (*CallStaticLongMethodV)(JNIEnv*, jclass, jmethodID, va_list);jlong       (*CallStaticLongMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jfloat      (*CallStaticFloatMethod)(JNIEnv*, jclass, jmethodID, ...) __NDK_FPABI__;jfloat      (*CallStaticFloatMethodV)(JNIEnv*, jclass, jmethodID, va_list) __NDK_FPABI__;jfloat      (*CallStaticFloatMethodA)(JNIEnv*, jclass, jmethodID, jvalue*) __NDK_FPABI__;jdouble     (*CallStaticDoubleMethod)(JNIEnv*, jclass, jmethodID, ...) __NDK_FPABI__;jdouble     (*CallStaticDoubleMethodV)(JNIEnv*, jclass, jmethodID, va_list) __NDK_FPABI__;jdouble     (*CallStaticDoubleMethodA)(JNIEnv*, jclass, jmethodID, jvalue*) __NDK_FPABI__;void        (*CallStaticVoidMethod)(JNIEnv*, jclass, jmethodID, ...);void        (*CallStaticVoidMethodV)(JNIEnv*, jclass, jmethodID, va_list);void        (*CallStaticVoidMethodA)(JNIEnv*, jclass, jmethodID, jvalue*);jfieldID    (*GetStaticFieldID)(JNIEnv*, jclass, const char*,const char*);jobject     (*GetStaticObjectField)(JNIEnv*, jclass, jfieldID);jboolean    (*GetStaticBooleanField)(JNIEnv*, jclass, jfieldID);jbyte       (*GetStaticByteField)(JNIEnv*, jclass, jfieldID);jchar       (*GetStaticCharField)(JNIEnv*, jclass, jfieldID);jshort      (*GetStaticShortField)(JNIEnv*, jclass, jfieldID);jint        (*GetStaticIntField)(JNIEnv*, jclass, jfieldID);jlong       (*GetStaticLongField)(JNIEnv*, jclass, jfieldID);jfloat      (*GetStaticFloatField)(JNIEnv*, jclass, jfieldID) __NDK_FPABI__;jdouble     (*GetStaticDoubleField)(JNIEnv*, jclass, jfieldID) __NDK_FPABI__;void        (*SetStaticObjectField)(JNIEnv*, jclass, jfieldID, jobject);void        (*SetStaticBooleanField)(JNIEnv*, jclass, jfieldID, jboolean);void        (*SetStaticByteField)(JNIEnv*, jclass, jfieldID, jbyte);void        (*SetStaticCharField)(JNIEnv*, jclass, jfieldID, jchar);void        (*SetStaticShortField)(JNIEnv*, jclass, jfieldID, jshort);void        (*SetStaticIntField)(JNIEnv*, jclass, jfieldID, jint);void        (*SetStaticLongField)(JNIEnv*, jclass, jfieldID, jlong);void        (*SetStaticFloatField)(JNIEnv*, jclass, jfieldID, jfloat) __NDK_FPABI__;void        (*SetStaticDoubleField)(JNIEnv*, jclass, jfieldID, jdouble) __NDK_FPABI__;jstring     (*NewString)(JNIEnv*, const jchar*, jsize);jsize       (*GetStringLength)(JNIEnv*, jstring);const jchar*(*GetStringChars)(JNIEnv*, jstring, jboolean*);void        (*ReleaseStringChars)(JNIEnv*, jstring, const jchar*);jstring     (*NewStringUTF)(JNIEnv*, const char*);jsize       (*GetStringUTFLength)(JNIEnv*, jstring);const char* (*GetStringUTFChars)(JNIEnv*, jstring, jboolean*);void        (*ReleaseStringUTFChars)(JNIEnv*, jstring, const char*);jsize       (*GetArrayLength)(JNIEnv*, jarray);jobjectArray(*NewObjectArray)(JNIEnv*, jsize, jclass, jobject);jobject     (*GetObjectArrayElement)(JNIEnv*, jobjectArray, jsize);void        (*SetObjectArrayElement)(JNIEnv*, jobjectArray, jsize, jobject);jbooleanArray (*NewBooleanArray)(JNIEnv*, jsize);jbyteArray    (*NewByteArray)(JNIEnv*, jsize);jcharArray    (*NewCharArray)(JNIEnv*, jsize);jshortArray   (*NewShortArray)(JNIEnv*, jsize);jintArray     (*NewIntArray)(JNIEnv*, jsize);jlongArray    (*NewLongArray)(JNIEnv*, jsize);jfloatArray   (*NewFloatArray)(JNIEnv*, jsize);jdoubleArray  (*NewDoubleArray)(JNIEnv*, jsize);jboolean*   (*GetBooleanArrayElements)(JNIEnv*, jbooleanArray, jboolean*);jbyte*      (*GetByteArrayElements)(JNIEnv*, jbyteArray, jboolean*);jchar*      (*GetCharArrayElements)(JNIEnv*, jcharArray, jboolean*);jshort*     (*GetShortArrayElements)(JNIEnv*, jshortArray, jboolean*);jint*       (*GetIntArrayElements)(JNIEnv*, jintArray, jboolean*);jlong*      (*GetLongArrayElements)(JNIEnv*, jlongArray, jboolean*);jfloat*     (*GetFloatArrayElements)(JNIEnv*, jfloatArray, jboolean*);jdouble*    (*GetDoubleArrayElements)(JNIEnv*, jdoubleArray, jboolean*);void        (*ReleaseBooleanArrayElements)(JNIEnv*, jbooleanArray,jboolean*, jint);void        (*ReleaseByteArrayElements)(JNIEnv*, jbyteArray,jbyte*, jint);void        (*ReleaseCharArrayElements)(JNIEnv*, jcharArray,jchar*, jint);void        (*ReleaseShortArrayElements)(JNIEnv*, jshortArray,jshort*, jint);void        (*ReleaseIntArrayElements)(JNIEnv*, jintArray,jint*, jint);void        (*ReleaseLongArrayElements)(JNIEnv*, jlongArray,jlong*, jint);void        (*ReleaseFloatArrayElements)(JNIEnv*, jfloatArray,jfloat*, jint);void        (*ReleaseDoubleArrayElements)(JNIEnv*, jdoubleArray,jdouble*, jint);void        (*GetBooleanArrayRegion)(JNIEnv*, jbooleanArray,jsize,jsize, jboolean*);void        (*GetByteArrayRegion)(JNIEnv*, jbyteArray,jsize, jsize,jbyte*);void        (*GetCharArrayRegion)(JNIEnv*, jcharArray, jsize, jsize,jchar*);void        (*GetShortArrayRegion)(JNIEnv*, jshortArray,jsize, jsize,jshort*);void        (*GetIntArrayRegion)(JNIEnv*, jintArray,jsize, jsize, jint*);void        (*GetLongArrayRegion)(JNIEnv*, jlongArray,jsize, jsize, jlong*);void        (*GetFloatArrayRegion)(JNIEnv*, jfloatArray,jsize, jsize, jfloat*);void        (*GetDoubleArrayRegion)(JNIEnv*, jdoubleArray,jsize, jsize, jdouble*);void        (*SetBooleanArrayRegion)(JNIEnv*, jbooleanArray,jsize, jsize, const jboolean*);void        (*SetByteArrayRegion)(JNIEnv*, jbyteArray,jsize, jsize, const jbyte*);void        (*SetCharArrayRegion)(JNIEnv*, jcharArray,jsize, jsize, const jchar*);void        (*SetShortArrayRegion)(JNIEnv*, jshortArray,jsize, jsize, const jshort*);void        (*SetIntArrayRegion)(JNIEnv*, jintArray,jsize, jsize, const jint*);void        (*SetLongArrayRegion)(JNIEnv*, jlongArray, jsize, jsize, const jlong*);void        (*SetFloatArrayRegion)(JNIEnv*, jfloatArray, jsize, jsize, const jfloat*);void        (*SetDoubleArrayRegion)(JNIEnv*, jdoubleArray,jsize, jsize, const jdouble*);jint        (*RegisterNatives)(JNIEnv*, jclass, const JNINativeMethod*,jint);jint        (*UnregisterNatives)(JNIEnv*, jclass);jint        (*MonitorEnter)(JNIEnv*, jobject);jint        (*MonitorExit)(JNIEnv*, jobject);jint        (*GetJavaVM)(JNIEnv*, JavaVM**);void        (*GetStringRegion)(JNIEnv*, jstring, jsize, jsize, jchar*);void        (*GetStringUTFRegion)(JNIEnv*, jstring, jsize, jsize, char*);void*       (*GetPrimitiveArrayCritical)(JNIEnv*, jarray, jboolean*);void        (*ReleasePrimitiveArrayCritical)(JNIEnv*, jarray, void*, jint);const jchar*(*GetStringCritical)(JNIEnv*, jstring, jboolean*);void        (*ReleaseStringCritical)(JNIEnv*, jstring, const jchar*);jweak       (*NewWeakGlobalRef)(JNIEnv*, jobject);void        (*DeleteWeakGlobalRef)(JNIEnv*, jweak);jboolean    (*ExceptionCheck)(JNIEnv*);jobject     (*NewDirectByteBuffer)(JNIEnv*, void*, jlong);void*       (*GetDirectBufferAddress)(JNIEnv*, jobject);jlong       (*GetDirectBufferCapacity)(JNIEnv*, jobject);jobjectRefType (*GetObjectRefType)(JNIEnv*, jobject);
};/** C++ *///C++的JNI 本地接口结构体的调用
struct _JNIEnv {const struct JNINativeInterface* functions;#if defined(__cplusplus)//各种函数jint GetVersion(){ return functions->GetVersion(this); }jclass DefineClass(const char *name, jobject loader, const jbyte* buf,jsize bufLen){ return functions->DefineClass(this, name, loader, buf, bufLen); }jclass FindClass(const char* name){ return functions->FindClass(this, name); }jmethodID FromReflectedMethod(jobject method){ return functions->FromReflectedMethod(this, method); }jfieldID FromReflectedField(jobject field){ return functions->FromReflectedField(this, field); }jobject ToReflectedMethod(jclass cls, jmethodID methodID, jboolean isStatic){ return functions->ToReflectedMethod(this, cls, methodID, isStatic); }jclass GetSuperclass(jclass clazz){ return functions->GetSuperclass(this, clazz); }jboolean IsAssignableFrom(jclass clazz1, jclass clazz2){ return functions->IsAssignableFrom(this, clazz1, clazz2); }jobject ToReflectedField(jclass cls, jfieldID fieldID, jboolean isStatic){ return functions->ToReflectedField(this, cls, fieldID, isStatic); }jint Throw(jthrowable obj){ return functions->Throw(this, obj); }jint ThrowNew(jclass clazz, const char* message){ return functions->ThrowNew(this, clazz, message); }jthrowable ExceptionOccurred(){ return functions->ExceptionOccurred(this); }void ExceptionDescribe(){ functions->ExceptionDescribe(this); }void ExceptionClear(){ functions->ExceptionClear(this); }void FatalError(const char* msg){ functions->FatalError(this, msg); }jint PushLocalFrame(jint capacity){ return functions->PushLocalFrame(this, capacity); }jobject PopLocalFrame(jobject result){ return functions->PopLocalFrame(this, result); }jobject NewGlobalRef(jobject obj){ return functions->NewGlobalRef(this, obj); }void DeleteGlobalRef(jobject globalRef){ functions->DeleteGlobalRef(this, globalRef); }void DeleteLocalRef(jobject localRef){ functions->DeleteLocalRef(this, localRef); }jboolean IsSameObject(jobject ref1, jobject ref2){ return functions->IsSameObject(this, ref1, ref2); }jobject NewLocalRef(jobject ref){ return functions->NewLocalRef(this, ref); }jint EnsureLocalCapacity(jint capacity){ return functions->EnsureLocalCapacity(this, capacity); }jobject AllocObject(jclass clazz){ return functions->AllocObject(this, clazz); }jobject NewObject(jclass clazz, jmethodID methodID, ...){va_list args;va_start(args, methodID);jobject result = functions->NewObjectV(this, clazz, methodID, args);va_end(args);return result;}jobject NewObjectV(jclass clazz, jmethodID methodID, va_list args){ return functions->NewObjectV(this, clazz, methodID, args); }jobject NewObjectA(jclass clazz, jmethodID methodID, jvalue* args){ return functions->NewObjectA(this, clazz, methodID, args); }jclass GetObjectClass(jobject obj){ return functions->GetObjectClass(this, obj); }jboolean IsInstanceOf(jobject obj, jclass clazz){ return functions->IsInstanceOf(this, obj, clazz); }jmethodID GetMethodID(jclass clazz, const char* name, const char* sig){ return functions->GetMethodID(this, clazz, name, sig); }#define CALL_TYPE_METHOD(_jtype, _jname)                                    \__NDK_FPABI__                                                           \_jtype Call##_jname##Method(jobject obj, jmethodID methodID, ...)       \{                                                                       \_jtype result;                                                      \va_list args;                                                       \va_start(args, methodID);                                           \result = functions->Call##_jname##MethodV(this, obj, methodID,      \args);                                                  \va_end(args);                                                       \return result;                                                      \}
#define CALL_TYPE_METHODV(_jtype, _jname)                                   \__NDK_FPABI__                                                           \_jtype Call##_jname##MethodV(jobject obj, jmethodID methodID,           \va_list args)                                                       \{ return functions->Call##_jname##MethodV(this, obj, methodID, args); }
#define CALL_TYPE_METHODA(_jtype, _jname)                                   \__NDK_FPABI__                                                           \_jtype Call##_jname##MethodA(jobject obj, jmethodID methodID,           \jvalue* args)                                                       \{ return functions->Call##_jname##MethodA(this, obj, methodID, args); }#define CALL_TYPE(_jtype, _jname)                                           \CALL_TYPE_METHOD(_jtype, _jname)                                        \CALL_TYPE_METHODV(_jtype, _jname)                                       \CALL_TYPE_METHODA(_jtype, _jname)CALL_TYPE(jobject, Object)CALL_TYPE(jboolean, Boolean)CALL_TYPE(jbyte, Byte)CALL_TYPE(jchar, Char)CALL_TYPE(jshort, Short)CALL_TYPE(jint, Int)CALL_TYPE(jlong, Long)CALL_TYPE(jfloat, Float)CALL_TYPE(jdouble, Double)void CallVoidMethod(jobject obj, jmethodID methodID, ...){va_list args;va_start(args, methodID);functions->CallVoidMethodV(this, obj, methodID, args);va_end(args);}void CallVoidMethodV(jobject obj, jmethodID methodID, va_list args){ functions->CallVoidMethodV(this, obj, methodID, args); }void CallVoidMethodA(jobject obj, jmethodID methodID, jvalue* args){ functions->CallVoidMethodA(this, obj, methodID, args); }#define CALL_NONVIRT_TYPE_METHOD(_jtype, _jname)                            \__NDK_FPABI__                                                           \_jtype CallNonvirtual##_jname##Method(jobject obj, jclass clazz,        \jmethodID methodID, ...)                                            \{                                                                       \_jtype result;                                                      \va_list args;                                                       \va_start(args, methodID);                                           \result = functions->CallNonvirtual##_jname##MethodV(this, obj,      \clazz, methodID, args);                                 \va_end(args);                                                       \return result;                                                      \}
#define CALL_NONVIRT_TYPE_METHODV(_jtype, _jname)                           \__NDK_FPABI__                                                           \_jtype CallNonvirtual##_jname##MethodV(jobject obj, jclass clazz,       \jmethodID methodID, va_list args)                                   \{ return functions->CallNonvirtual##_jname##MethodV(this, obj, clazz,   \methodID, args); }
#define CALL_NONVIRT_TYPE_METHODA(_jtype, _jname)                           \__NDK_FPABI__                                                           \_jtype CallNonvirtual##_jname##MethodA(jobject obj, jclass clazz,       \jmethodID methodID, jvalue* args)                                   \{ return functions->CallNonvirtual##_jname##MethodA(this, obj, clazz,   \methodID, args); }#define CALL_NONVIRT_TYPE(_jtype, _jname)                                   \CALL_NONVIRT_TYPE_METHOD(_jtype, _jname)                                \CALL_NONVIRT_TYPE_METHODV(_jtype, _jname)                               \CALL_NONVIRT_TYPE_METHODA(_jtype, _jname)CALL_NONVIRT_TYPE(jobject, Object)CALL_NONVIRT_TYPE(jboolean, Boolean)CALL_NONVIRT_TYPE(jbyte, Byte)CALL_NONVIRT_TYPE(jchar, Char)CALL_NONVIRT_TYPE(jshort, Short)CALL_NONVIRT_TYPE(jint, Int)CALL_NONVIRT_TYPE(jlong, Long)CALL_NONVIRT_TYPE(jfloat, Float)CALL_NONVIRT_TYPE(jdouble, Double)void CallNonvirtualVoidMethod(jobject obj, jclass clazz,jmethodID methodID, ...){va_list args;va_start(args, methodID);functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args);va_end(args);}void CallNonvirtualVoidMethodV(jobject obj, jclass clazz,jmethodID methodID, va_list args){ functions->CallNonvirtualVoidMethodV(this, obj, clazz, methodID, args); }void CallNonvirtualVoidMethodA(jobject obj, jclass clazz,jmethodID methodID, jvalue* args){ functions->CallNonvirtualVoidMethodA(this, obj, clazz, methodID, args); }jfieldID GetFieldID(jclass clazz, const char* name, const char* sig){ return functions->GetFieldID(this, clazz, name, sig); }jobject GetObjectField(jobject obj, jfieldID fieldID){ return functions->GetObjectField(this, obj, fieldID); }jboolean GetBooleanField(jobject obj, jfieldID fieldID){ return functions->GetBooleanField(this, obj, fieldID); }jbyte GetByteField(jobject obj, jfieldID fieldID){ return functions->GetByteField(this, obj, fieldID); }jchar GetCharField(jobject obj, jfieldID fieldID){ return functions->GetCharField(this, obj, fieldID); }jshort GetShortField(jobject obj, jfieldID fieldID){ return functions->GetShortField(this, obj, fieldID); }jint GetIntField(jobject obj, jfieldID fieldID){ return functions->GetIntField(this, obj, fieldID); }jlong GetLongField(jobject obj, jfieldID fieldID){ return functions->GetLongField(this, obj, fieldID); }__NDK_FPABI__jfloat GetFloatField(jobject obj, jfieldID fieldID){ return functions->GetFloatField(this, obj, fieldID); }__NDK_FPABI__jdouble GetDoubleField(jobject obj, jfieldID fieldID){ return functions->GetDoubleField(this, obj, fieldID); }void SetObjectField(jobject obj, jfieldID fieldID, jobject value){ functions->SetObjectField(this, obj, fieldID, value); }void SetBooleanField(jobject obj, jfieldID fieldID, jboolean value){ functions->SetBooleanField(this, obj, fieldID, value); }void SetByteField(jobject obj, jfieldID fieldID, jbyte value){ functions->SetByteField(this, obj, fieldID, value); }void SetCharField(jobject obj, jfieldID fieldID, jchar value){ functions->SetCharField(this, obj, fieldID, value); }void SetShortField(jobject obj, jfieldID fieldID, jshort value){ functions->SetShortField(this, obj, fieldID, value); }void SetIntField(jobject obj, jfieldID fieldID, jint value){ functions->SetIntField(this, obj, fieldID, value); }void SetLongField(jobject obj, jfieldID fieldID, jlong value){ functions->SetLongField(this, obj, fieldID, value); }__NDK_FPABI__void SetFloatField(jobject obj, jfieldID fieldID, jfloat value){ functions->SetFloatField(this, obj, fieldID, value); }__NDK_FPABI__void SetDoubleField(jobject obj, jfieldID fieldID, jdouble value){ functions->SetDoubleField(this, obj, fieldID, value); }jmethodID GetStaticMethodID(jclass clazz, const char* name, const char* sig){ return functions->GetStaticMethodID(this, clazz, name, sig); }#define CALL_STATIC_TYPE_METHOD(_jtype, _jname)                             \__NDK_FPABI__                                                           \_jtype CallStatic##_jname##Method(jclass clazz, jmethodID methodID,     \...)                                                                \{                                                                       \_jtype result;                                                      \va_list args;                                                       \va_start(args, methodID);                                           \result = functions->CallStatic##_jname##MethodV(this, clazz,        \methodID, args);                                        \va_end(args);                                                       \return result;                                                      \}
#define CALL_STATIC_TYPE_METHODV(_jtype, _jname)                            \__NDK_FPABI__                                                           \_jtype CallStatic##_jname##MethodV(jclass clazz, jmethodID methodID,    \va_list args)                                                       \{ return functions->CallStatic##_jname##MethodV(this, clazz, methodID,  \args); }
#define CALL_STATIC_TYPE_METHODA(_jtype, _jname)                            \__NDK_FPABI__                                                           \_jtype CallStatic##_jname##MethodA(jclass clazz, jmethodID methodID,    \jvalue* args)                                                       \{ return functions->CallStatic##_jname##MethodA(this, clazz, methodID,  \args); }#define CALL_STATIC_TYPE(_jtype, _jname)                                    \CALL_STATIC_TYPE_METHOD(_jtype, _jname)                                 \CALL_STATIC_TYPE_METHODV(_jtype, _jname)                                \CALL_STATIC_TYPE_METHODA(_jtype, _jname)CALL_STATIC_TYPE(jobject, Object)CALL_STATIC_TYPE(jboolean, Boolean)CALL_STATIC_TYPE(jbyte, Byte)CALL_STATIC_TYPE(jchar, Char)CALL_STATIC_TYPE(jshort, Short)CALL_STATIC_TYPE(jint, Int)CALL_STATIC_TYPE(jlong, Long)CALL_STATIC_TYPE(jfloat, Float)CALL_STATIC_TYPE(jdouble, Double)void CallStaticVoidMethod(jclass clazz, jmethodID methodID, ...){va_list args;va_start(args, methodID);functions->CallStaticVoidMethodV(this, clazz, methodID, args);va_end(args);}void CallStaticVoidMethodV(jclass clazz, jmethodID methodID, va_list args){ functions->CallStaticVoidMethodV(this, clazz, methodID, args); }void CallStaticVoidMethodA(jclass clazz, jmethodID methodID, jvalue* args){ functions->CallStaticVoidMethodA(this, clazz, methodID, args); }jfieldID GetStaticFieldID(jclass clazz, const char* name, const char* sig){ return functions->GetStaticFieldID(this, clazz, name, sig); }jobject GetStaticObjectField(jclass clazz, jfieldID fieldID){ return functions->GetStaticObjectField(this, clazz, fieldID); }jboolean GetStaticBooleanField(jclass clazz, jfieldID fieldID){ return functions->GetStaticBooleanField(this, clazz, fieldID); }jbyte GetStaticByteField(jclass clazz, jfieldID fieldID){ return functions->GetStaticByteField(this, clazz, fieldID); }jchar GetStaticCharField(jclass clazz, jfieldID fieldID){ return functions->GetStaticCharField(this, clazz, fieldID); }jshort GetStaticShortField(jclass clazz, jfieldID fieldID){ return functions->GetStaticShortField(this, clazz, fieldID); }jint GetStaticIntField(jclass clazz, jfieldID fieldID){ return functions->GetStaticIntField(this, clazz, fieldID); }jlong GetStaticLongField(jclass clazz, jfieldID fieldID){ return functions->GetStaticLongField(this, clazz, fieldID); }__NDK_FPABI__jfloat GetStaticFloatField(jclass clazz, jfieldID fieldID){ return functions->GetStaticFloatField(this, clazz, fieldID); }__NDK_FPABI__jdouble GetStaticDoubleField(jclass clazz, jfieldID fieldID){ return functions->GetStaticDoubleField(this, clazz, fieldID); }void SetStaticObjectField(jclass clazz, jfieldID fieldID, jobject value){ functions->SetStaticObjectField(this, clazz, fieldID, value); }void SetStaticBooleanField(jclass clazz, jfieldID fieldID, jboolean value){ functions->SetStaticBooleanField(this, clazz, fieldID, value); }void SetStaticByteField(jclass clazz, jfieldID fieldID, jbyte value){ functions->SetStaticByteField(this, clazz, fieldID, value); }void SetStaticCharField(jclass clazz, jfieldID fieldID, jchar value){ functions->SetStaticCharField(this, clazz, fieldID, value); }void SetStaticShortField(jclass clazz, jfieldID fieldID, jshort value){ functions->SetStaticShortField(this, clazz, fieldID, value); }void SetStaticIntField(jclass clazz, jfieldID fieldID, jint value){ functions->SetStaticIntField(this, clazz, fieldID, value); }void SetStaticLongField(jclass clazz, jfieldID fieldID, jlong value){ functions->SetStaticLongField(this, clazz, fieldID, value); }__NDK_FPABI__void SetStaticFloatField(jclass clazz, jfieldID fieldID, jfloat value){ functions->SetStaticFloatField(this, clazz, fieldID, value); }__NDK_FPABI__void SetStaticDoubleField(jclass clazz, jfieldID fieldID, jdouble value){ functions->SetStaticDoubleField(this, clazz, fieldID, value); }jstring NewString(const jchar* unicodeChars, jsize len){ return functions->NewString(this, unicodeChars, len); }jsize GetStringLength(jstring string){ return functions->GetStringLength(this, string); }const jchar* GetStringChars(jstring string, jboolean* isCopy){ return functions->GetStringChars(this, string, isCopy); }void ReleaseStringChars(jstring string, const jchar* chars){ functions->ReleaseStringChars(this, string, chars); }jstring NewStringUTF(const char* bytes){ return functions->NewStringUTF(this, bytes); }jsize GetStringUTFLength(jstring string){ return functions->GetStringUTFLength(this, string); }const char* GetStringUTFChars(jstring string, jboolean* isCopy){ return functions->GetStringUTFChars(this, string, isCopy); }void ReleaseStringUTFChars(jstring string, const char* utf){ functions->ReleaseStringUTFChars(this, string, utf); }jsize GetArrayLength(jarray array){ return functions->GetArrayLength(this, array); }jobjectArray NewObjectArray(jsize length, jclass elementClass,jobject initialElement){ return functions->NewObjectArray(this, length, elementClass,initialElement); }jobject GetObjectArrayElement(jobjectArray array, jsize index){ return functions->GetObjectArrayElement(this, array, index); }void SetObjectArrayElement(jobjectArray array, jsize index, jobject value){ functions->SetObjectArrayElement(this, array, index, value); }jbooleanArray NewBooleanArray(jsize length){ return functions->NewBooleanArray(this, length); }jbyteArray NewByteArray(jsize length){ return functions->NewByteArray(this, length); }jcharArray NewCharArray(jsize length){ return functions->NewCharArray(this, length); }jshortArray NewShortArray(jsize length){ return functions->NewShortArray(this, length); }jintArray NewIntArray(jsize length){ return functions->NewIntArray(this, length); }jlongArray NewLongArray(jsize length){ return functions->NewLongArray(this, length); }jfloatArray NewFloatArray(jsize length){ return functions->NewFloatArray(this, length); }jdoubleArray NewDoubleArray(jsize length){ return functions->NewDoubleArray(this, length); }jboolean* GetBooleanArrayElements(jbooleanArray array, jboolean* isCopy){ return functions->GetBooleanArrayElements(this, array, isCopy); }jbyte* GetByteArrayElements(jbyteArray array, jboolean* isCopy){ return functions->GetByteArrayElements(this, array, isCopy); }jchar* GetCharArrayElements(jcharArray array, jboolean* isCopy){ return functions->GetCharArrayElements(this, array, isCopy); }jshort* GetShortArrayElements(jshortArray array, jboolean* isCopy){ return functions->GetShortArrayElements(this, array, isCopy); }jint* GetIntArrayElements(jintArray array, jboolean* isCopy){ return functions->GetIntArrayElements(this, array, isCopy); }jlong* GetLongArrayElements(jlongArray array, jboolean* isCopy){ return functions->GetLongArrayElements(this, array, isCopy); }jfloat* GetFloatArrayElements(jfloatArray array, jboolean* isCopy){ return functions->GetFloatArrayElements(this, array, isCopy); }jdouble* GetDoubleArrayElements(jdoubleArray array, jboolean* isCopy){ return functions->GetDoubleArrayElements(this, array, isCopy); }void ReleaseBooleanArrayElements(jbooleanArray array, jboolean* elems,jint mode){ functions->ReleaseBooleanArrayElements(this, array, elems, mode); }void ReleaseByteArrayElements(jbyteArray array, jbyte* elems,jint mode){ functions->ReleaseByteArrayElements(this, array, elems, mode); }void ReleaseCharArrayElements(jcharArray array, jchar* elems,jint mode){ functions->ReleaseCharArrayElements(this, array, elems, mode); }void ReleaseShortArrayElements(jshortArray array, jshort* elems,jint mode){ functions->ReleaseShortArrayElements(this, array, elems, mode); }void ReleaseIntArrayElements(jintArray array, jint* elems,jint mode){ functions->ReleaseIntArrayElements(this, array, elems, mode); }void ReleaseLongArrayElements(jlongArray array, jlong* elems,jint mode){ functions->ReleaseLongArrayElements(this, array, elems, mode); }void ReleaseFloatArrayElements(jfloatArray array, jfloat* elems,jint mode){ functions->ReleaseFloatArrayElements(this, array, elems, mode); }void ReleaseDoubleArrayElements(jdoubleArray array, jdouble* elems,jint mode){ functions->ReleaseDoubleArrayElements(this, array, elems, mode); }void GetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,jboolean* buf){ functions->GetBooleanArrayRegion(this, array, start, len, buf); }void GetByteArrayRegion(jbyteArray array, jsize start, jsize len,jbyte* buf){ functions->GetByteArrayRegion(this, array, start, len, buf); }void GetCharArrayRegion(jcharArray array, jsize start, jsize len,jchar* buf){ functions->GetCharArrayRegion(this, array, start, len, buf); }void GetShortArrayRegion(jshortArray array, jsize start, jsize len,jshort* buf){ functions->GetShortArrayRegion(this, array, start, len, buf); }void GetIntArrayRegion(jintArray array, jsize start, jsize len,jint* buf){ functions->GetIntArrayRegion(this, array, start, len, buf); }void GetLongArrayRegion(jlongArray array, jsize start, jsize len,jlong* buf){ functions->GetLongArrayRegion(this, array, start, len, buf); }void GetFloatArrayRegion(jfloatArray array, jsize start, jsize len,jfloat* buf){ functions->GetFloatArrayRegion(this, array, start, len, buf); }void GetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,jdouble* buf){ functions->GetDoubleArrayRegion(this, array, start, len, buf); }void SetBooleanArrayRegion(jbooleanArray array, jsize start, jsize len,const jboolean* buf){ functions->SetBooleanArrayRegion(this, array, start, len, buf); }void SetByteArrayRegion(jbyteArray array, jsize start, jsize len,const jbyte* buf){ functions->SetByteArrayRegion(this, array, start, len, buf); }void SetCharArrayRegion(jcharArray array, jsize start, jsize len,const jchar* buf){ functions->SetCharArrayRegion(this, array, start, len, buf); }void SetShortArrayRegion(jshortArray array, jsize start, jsize len,const jshort* buf){ functions->SetShortArrayRegion(this, array, start, len, buf); }void SetIntArrayRegion(jintArray array, jsize start, jsize len,const jint* buf){ functions->SetIntArrayRegion(this, array, start, len, buf); }void SetLongArrayRegion(jlongArray array, jsize start, jsize len,const jlong* buf){ functions->SetLongArrayRegion(this, array, start, len, buf); }void SetFloatArrayRegion(jfloatArray array, jsize start, jsize len,const jfloat* buf){ functions->SetFloatArrayRegion(this, array, start, len, buf); }void SetDoubleArrayRegion(jdoubleArray array, jsize start, jsize len,const jdouble* buf){ functions->SetDoubleArrayRegion(this, array, start, len, buf); }jint RegisterNatives(jclass clazz, const JNINativeMethod* methods,jint nMethods){ return functions->RegisterNatives(this, clazz, methods, nMethods); }jint UnregisterNatives(jclass clazz){ return functions->UnregisterNatives(this, clazz); }jint MonitorEnter(jobject obj){ return functions->MonitorEnter(this, obj); }jint MonitorExit(jobject obj){ return functions->MonitorExit(this, obj); }jint GetJavaVM(JavaVM** vm){ return functions->GetJavaVM(this, vm); }void GetStringRegion(jstring str, jsize start, jsize len, jchar* buf){ functions->GetStringRegion(this, str, start, len, buf); }void GetStringUTFRegion(jstring str, jsize start, jsize len, char* buf){ return functions->GetStringUTFRegion(this, str, start, len, buf); }void* GetPrimitiveArrayCritical(jarray array, jboolean* isCopy){ return functions->GetPrimitiveArrayCritical(this, array, isCopy); }void ReleasePrimitiveArrayCritical(jarray array, void* carray, jint mode){ functions->ReleasePrimitiveArrayCritical(this, array, carray, mode); }const jchar* GetStringCritical(jstring string, jboolean* isCopy){ return functions->GetStringCritical(this, string, isCopy); }void ReleaseStringCritical(jstring string, const jchar* carray){ functions->ReleaseStringCritical(this, string, carray); }jweak NewWeakGlobalRef(jobject obj){ return functions->NewWeakGlobalRef(this, obj); }void DeleteWeakGlobalRef(jweak obj){ functions->DeleteWeakGlobalRef(this, obj); }jboolean ExceptionCheck(){ return functions->ExceptionCheck(this); }jobject NewDirectByteBuffer(void* address, jlong capacity){ return functions->NewDirectByteBuffer(this, address, capacity); }void* GetDirectBufferAddress(jobject buf){ return functions->GetDirectBufferAddress(this, buf); }jlong GetDirectBufferCapacity(jobject buf){ return functions->GetDirectBufferCapacity(this, buf); }/* added in JNI 1.6 */jobjectRefType GetObjectRefType(jobject obj){ return functions->GetObjectRefType(this, obj); }
#endif /*__cplusplus*/
};/** JNI invocation interface.*///调用接口结构体JNIInvokeInterface的定义
struct JNIInvokeInterface {void*       reserved0;void*       reserved1;void*       reserved2;jint        (*DestroyJavaVM)(JavaVM*);jint        (*AttachCurrentThread)(JavaVM*, JNIEnv**, void*);jint        (*DetachCurrentThread)(JavaVM*);jint        (*GetEnv)(JavaVM*, void**, jint);jint        (*AttachCurrentThreadAsDaemon)(JavaVM*, JNIEnv**, void*);
};/** C++ version.*/
struct _JavaVM {const struct JNIInvokeInterface* functions;#if defined(__cplusplus)jint DestroyJavaVM(){ return functions->DestroyJavaVM(this); }jint AttachCurrentThread(JNIEnv** p_env, void* thr_args){ return functions->AttachCurrentThread(this, p_env, thr_args); }jint DetachCurrentThread(){ return functions->DetachCurrentThread(this); }jint GetEnv(void** env, jint version){ return functions->GetEnv(this, env, version); }jint AttachCurrentThreadAsDaemon(JNIEnv** p_env, void* thr_args){ return functions->AttachCurrentThreadAsDaemon(this, p_env, thr_args); }
#endif /*__cplusplus*/
};struct JavaVMAttachArgs {jint        version;    /* must be >= JNI_VERSION_1_2 */const char* name;       /* NULL or name of thread as modified UTF-8 str */jobject     group;      /* global ref of a ThreadGroup object, or NULL */
};
typedef struct JavaVMAttachArgs JavaVMAttachArgs;/** JNI 1.2+ initialization.  (As of 1.6, the pre-1.2 structures are no* longer supported.)*/
typedef struct JavaVMOption {const char* optionString;void*       extraInfo;
} JavaVMOption;typedef struct JavaVMInitArgs {jint        version;    /* use JNI_VERSION_1_2 or later */jint        nOptions;JavaVMOption* options;jboolean    ignoreUnrecognized;
} JavaVMInitArgs;#ifdef __cplusplus
extern "C" {
#endif
/** VM initialization functions.** Note these are the only symbols exported for JNI by the VM.*/
#if 0  /* In practice, these are not exported by the NDK so don't declare them */
jint JNI_GetDefaultJavaVMInitArgs(void*);
jint JNI_CreateJavaVM(JavaVM**, JNIEnv**, void*);
jint JNI_GetCreatedJavaVMs(JavaVM**, jsize, jsize*);
#endif#define JNIIMPORT
#define JNIEXPORT  __attribute__ ((visibility ("default")))
#define JNICALL __NDK_FPABI__/** Prototypes for functions exported by loadable shared libs.  These are* called by JNI, not provided by JNI.*/
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved);
JNIEXPORT void JNICALL JNI_OnUnload(JavaVM* vm, void* reserved);#ifdef __cplusplus
}
#endif/** Manifest constants.*/
#define JNI_FALSE   0
#define JNI_TRUE    1#define JNI_VERSION_1_1 0x00010001
#define JNI_VERSION_1_2 0x00010002
#define JNI_VERSION_1_4 0x00010004
#define JNI_VERSION_1_6 0x00010006#define JNI_OK          (0)         /* no error */
#define JNI_ERR         (-1)        /* generic error */
#define JNI_EDETACHED   (-2)        /* thread detached from the VM */
#define JNI_EVERSION    (-3)        /* JNI version error */#define JNI_COMMIT      1           /* copy content, do not free buffer */
#define JNI_ABORT       2           /* free buffer w/o copying back */#endif  /* JNI_H_ */
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