JNI接口函数

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typedef const struct JNINativeInterface *JNIEnv;
const struct JNINativeInterface … = {
NULL, NULL, NULL, NULL, GetVersion,             //获取JNI版本号DefineClass,             //通过指定ClassLoader对象加载类FindClass,             //获取指定的Class类对象FromReflectedMethod,    //通过指定的java.lang.reflect.Method对象获取方法IDFromReflectedField,    //通过指定的java.lang.reflect.Field对象获取字段IDToReflectedMethod,    //通过指定的方法ID获取java.lang.reflect.Method对象GetSuperclass,         //获取指定类的父类IsAssignableFrom,         //判断指定类是否继承自某类或实现了某个接口ToReflectedField,         //通过指定的字段ID获取java.lang.reflect.Field对象Throw,                 //抛出指定的Throwable对象ThrowNew,             //抛出指定的Throwable对象，并制定消息ExceptionOccurred,     //获取未被清空或捕获的异常ExceptionDescribe,     //同printStackTrace()ExceptionClear,         //清除已被抛出的异常FatalError,             //抛出致命错误PushLocalFrame, 　　//Push/PopLocalFrame函数提供了本地引用管理的简便方法，在该函数对之间的代码段，所有创建的显式本地引用无需手动调用DeleteLocalReference函数释放，PopLocalFrame函数会自动释放这些本地引用PopLocalFrame, NewGlobalRef,         //创建全局引用，必须被显式清除DeleteGlobalRef,         //清除全局引用DeleteLocalRef,         //清除本地引用，通常本地引用在原生代码返回时会自动清除，但是对于大数据，比如在循环中频繁创建Java对象，而该对象的只在一次循环中有效，这种情况下有必要显式调用DeleteLocalRef以通知VM尽快释放该对象。IsSameObject,         //判断是否为同一对象，可通过该方法判断弱引用是否已被释放(NULL)NewLocalRef,             //创建本地引用EnsureLocalCapacity,     //确保当前线程可以创建指定数量的本地引用AllocObject,             //创建一个新的对象，只分配内存，不调用任何构造方法（cdwang：应该是为了方便通过CallNonvirtual<Type>Method方法调用父类的构造函数初始化对象）NewObject,             //通过指定的构造函数创建对象，变长参数形式NewObjectV,             //同上，va_list形式NewObjectA,             //同上，数组形式GetObjectClass,         //获取对象的Class类对象IsInstanceOf,             //同instanceOfGetMethodID,         //获取实例（非静态）方法的IDCallObjectMethod,     //调用实例方法，object表示返回值类型CallObjectMethodV, CallObjectMethodA, CallBooleanMethod, CallBooleanMethodV, CallBooleanMethodA, CallByteMethod, CallByteMethodV, CallByteMethodA, CallCharMethod, CallCharMethodV, CallCharMethodA, CallShortMethod, CallShortMethodV, CallShortMethodA, CallIntMethod, CallIntMethodV, CallIntMethodA, CallLongMethod, CallLongMethodV, CallLongMethodA, CallFloatMethod, CallFloatMethodV, CallFloatMethodA, CallDoubleMethod, CallDoubleMethodV, CallDoubleMethodA, CallVoidMethod, CallVoidMethodV, CallVoidMethodA, CallNonvirtualObjectMethod, //调用非虚实例方法，通过class对象指定调用哪个类的非虚函数（cdwang:应该是某对象不调用自己的构造类的方法实现，而是调用父类的方法实现，这个方法节省了子类对象向父类对象的强制转换）CallNonvirtualObjectMethodV, CallNonvirtualObjectMethodA, CallNonvirtualBooleanMethod, CallNonvirtualBooleanMethodV, CallNonvirtualBooleanMethodA, CallNonvirtualByteMethod, CallNonvirtualByteMethodV, CallNonvirtualByteMethodA, CallNonvirtualCharMethod, CallNonvirtualCharMethodV, CallNonvirtualCharMethodA, CallNonvirtualShortMethod, CallNonvirtualShortMethodV, CallNonvirtualShortMethodA, CallNonvirtualIntMethod, CallNonvirtualIntMethodV, CallNonvirtualIntMethodA, CallNonvirtualLongMethod, CallNonvirtualLongMethodV, CallNonvirtualLongMethodA, CallNonvirtualFloatMethod, CallNonvirtualFloatMethodV, CallNonvirtualFloatMethodA, CallNonvirtualDoubleMethod, CallNonvirtualDoubleMethodV, CallNonvirtualDoubleMethodA, CallNonvirtualVoidMethod, CallNonvirtualVoidMethodV, CallNonvirtualVoidMethodA, GetFieldID,             //获取成员字段IDGetObjectField,         //获取字段值GetBooleanField, GetByteField, GetCharField, GetShortField, GetIntField, GetLongField, GetFloatField, GetDoubleField, SetObjectField,         //设置字段值SetBooleanField, SetByteField, SetCharField, SetShortField, SetIntField, SetLongField, SetFloatField, SetDoubleField, GetStaticMethodID,     //获取静态方法IDCallStaticObjectMethod, //调用静态方法CallStaticObjectMethodV, CallStaticObjectMethodA, CallStaticBooleanMethod, CallStaticBooleanMethodV, CallStaticBooleanMethodA, CallStaticByteMethod, CallStaticByteMethodV, CallStaticByteMethodA, CallStaticCharMethod, CallStaticCharMethodV, CallStaticCharMethodA, CallStaticShortMethod, CallStaticShortMethodV, CallStaticShortMethodA, CallStaticIntMethod, CallStaticIntMethodV, CallStaticIntMethodA, CallStaticLongMethod, CallStaticLongMethodV, CallStaticLongMethodA, CallStaticFloatMethod, CallStaticFloatMethodV, CallStaticFloatMethodA, CallStaticDoubleMethod, CallStaticDoubleMethodV, CallStaticDoubleMethodA, CallStaticVoidMethod, CallStaticVoidMethodV, CallStaticVoidMethodA, GetStaticFieldID,         //获取静态字段IDGetStaticObjectField,     //获取字段值GetStaticBooleanField, GetStaticByteField, GetStaticCharField, GetStaticShortField, GetStaticIntField, GetStaticLongField, GetStaticFloatField, GetStaticDoubleField, SetStaticObjectField,     //设置字段值SetStaticBooleanField, SetStaticByteField, SetStaticCharField, SetStaticShortField, SetStaticIntField, SetStaticLongField, SetStaticFloatField, SetStaticDoubleField, NewString,             //通过指定Unicode格式字符数组构造Java StringGetStringLength,         //获取Unicode字符的长度GetStringChars,         //获取字符数组ReleaseStringChars,     //通知VM可以释放String和由GetStringChars获取的字符数组NewStringUTF,         //通过指定UTF-8格式字符数组构造Java StringGetStringUTFLength, GetStringUTFChars, ReleaseStringUTFChars, GetArrayLength,         //获取数组长度NewObjectArray,         //通过指定的Class类对象和初始元素初始化一个Java对象数组GetObjectArrayElement,    //获取指定索引的对象元素SetObjectArrayElement,    //设置指定索引的对象元素NewBooleanArray,     //构造基本类型的Java数组NewByteArray, NewCharArray, NewShortArray, NewIntArray, NewLongArray, NewFloatArray, NewDoubleArray, GetBooleanArrayElements,    //获取基本类型元素的C数组GetByteArrayElements, GetCharArrayElements, GetShortArrayElements, GetIntArrayElements, GetLongArrayElements, GetFloatArrayElements, GetDoubleArrayElements, ReleaseBooleanArrayElements,    //通知VM可以释放Java数组和由前述方法族获取的C数组ReleaseByteArrayElements, ReleaseCharArrayElements, ReleaseShortArrayElements, ReleaseIntArrayElements, ReleaseLongArrayElements, ReleaseFloatArrayElements, ReleaseDoubleArrayElements, GetBooleanArrayRegion,    //获取子数组GetByteArrayRegion, GetCharArrayRegion, GetShortArrayRegion, GetIntArrayRegion, GetLongArrayRegion, GetFloatArrayRegion, GetDoubleArrayRegion, SetBooleanArrayRegion,    //设置子数组SetByteArrayRegion, SetCharArrayRegion, SetShortArrayRegion, SetIntArrayRegion, SetLongArrayRegion, SetFloatArrayRegion, SetDoubleArrayRegion, RegisterNatives,         //映射原生代码UnregisterNatives, MonitorEnter, MonitorExit, GetJavaVM,             //获取当前线程关联的VMGetStringRegion,        //获取子串GetStringUTFRegion,GetPrimitiveArrayCritical,ReleasePrimitiveArrayCritical,GetStringCritical,        // Get/ReleaseStringCritical必须成对出现，语义和Get/ReleaseStringChars一样，但代码段中不能阻塞当前线程，也不能调用任何其他的JNI函数ReleaseStringCritical,    NewWeakGlobalRef,DeleteWeakGlobalRef,ExceptionCheck,        //判断是否有挂起的异常NewDirectByteBuffer,GetDirectBufferAddress,GetDirectBufferCapacity
};
接口函数：
http://blog.csdn.net/ztp800201/article/details/7351754
http://blog.csdn.net/ztp800201/article/details/7351950
http://blog.csdn.net/ztp800201/article/details/7351957
http://blog.csdn.net/ztp800201/article/details/7351966
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