Android 从Java向JNI传递Class数组的方法

[java]代码库

#ifdef __cplusplus
/*
 * Reference types, in C++
 */
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 {};

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.
 */
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 *///源代码片段来自云代码http://yuncode.net
			

static void _classArray(JNIEnv* env, jobject thiz, jobjectArray classArr) {
	jsize as = env->GetArrayLength(classArr);
	LOG_N("array size=%d", as);
	for (int i=0; i<as; i++) {
		jobject obj = env->GetObjectArrayElement(classArr, i);
		jclass c = env->GetObjectClass(obj);
		jmethodID m = env->GetMethodID(c, "getName", "()Ljava/lang/String;");
		jstring name = (jstring)env->CallObjectMethod(obj, m);
		const char* n = env->GetStringUTFChars(name, NULL);
		LOG_N("class name=%s", n);
		env->ReleaseStringUTFChars(name, n);
	}
}//源代码片段来自云代码http://yuncode.net