JNI 返回二维、三维，char、float、int、long型数组到java层

/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
#include <string.h>
#include <android/log.h>
#include "local_client_select.h"
#include "array_buffer.h"
#include "Interface_Module.h"
#include "airmovegesture_com_socketjnitest_MultiTypeArraryTest.h"
/* Header for class airmovegesture_com_socketjnitest_MultiTypeArraryTest */

#define  LOG_TAG    "GetAirMoveGestureInfoJni"
#define  LOGE(...)  __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)

#define    WIDTH_BLOCK_NUM       40
#define    HEIGHT_BLOCK_NUM      40

#ifdef __cplusplus
extern "C" {
#endif
/*
* Class:     airmovegesture_com_socketjnitest_MultiTypeArraryTest
* Method:    TestChar2D
* Signature: ()[[C
*/

interface_module_motion_data_t     *m_stIMMotion=NULL;

JNIEXPORT jobjectArray JNICALL Java_airmovegesture_com_socketjnitest_MultiTypeArraryTest_TestChar2D
(JNIEnv *env, jclass jcl){

int count=WIDTH_BLOCK_NUM*HEIGHT_BLOCK_NUM;
m_stIMMotion=new interface_module_motion_data_t;
memset(m_stIMMotion,0, sizeof(interface_module_motion_data_t));

m_stIMMotion =interface_module_read_motion_data();

for(int i = 0; i < WIDTH_BLOCK_NUM; i++)
{
for(int j = 0; j < HEIGHT_BLOCK_NUM; j++)
{
LOGE("%d ", m_stIMMotion->motion_data.motion_data[i*WIDTH_BLOCK_NUM + j]);
}
}

//一维数组
jclass intArrCls = env->FindClass("[C");
//创建一个有10个元素，每个元素的值是  一维数组的数组
jobjectArray second = env->NewObjectArray(10, intArrCls, NULL);

//给以维数据填充值
for (int i = 0; i < 10; i++) {

jchar tmp[count]; /* make sure it is large enough! */
jcharArray iarr = env->NewCharArray(count);

//        tmp[0] = m_stIMMotion->motion_data.motion_data[0];
//        tmp[1] = m_stIMMotion->motion_data.motion_data[0];
//        tmp[2] = m_stIMMotion->motion_data.motion_data[0];

for(int i = 0; i < WIDTH_BLOCK_NUM; i++)
{
for(int j = 0; j < HEIGHT_BLOCK_NUM; j++)
{
//LOGE("%d ", m_stIMMotion->motion_data.motion_data[i*WIDTH_BLOCK_NUM + j]);
tmp[i*WIDTH_BLOCK_NUM + j]=m_stIMMotion->motion_data.motion_data[i*WIDTH_BLOCK_NUM + j];
}
}

//把temp里的0-3的数据值设置给iarr里
env->SetCharArrayRegion(iarr, 0, count, tmp);
//给一维数组的第i个元素设置值
env->SetObjectArrayElement(second, i, iarr);
//删除临时元素iarr数组
env->DeleteLocalRef(iarr);

}

return second;
}

/*
* Class:     airmovegesture_com_socketjnitest_MultiTypeArraryTest
* Method:    TestFloat2D
* Signature: ()[[F
*/
JNIEXPORT jobjectArray JNICALL Java_airmovegesture_com_socketjnitest_MultiTypeArraryTest_TestFloat2D
(JNIEnv *env, jclass jcl){

//一维数组
jclass intArrCls = env->FindClass("[F");
//创建一个有10个元素，每个元素的值是  一维数组的数组
jobjectArray second = env->NewObjectArray(10, intArrCls, NULL);

//给以维数据填充值
for (int i = 0; i < 10; i++) {

jfloat tmp[256]; /* make sure it is large enough! */

jfloatArray iarr = env->NewFloatArray(3);

tmp[0] = 1.0f;
tmp[1] = 2.0f;
tmp[2] = 3.0f;

//把temp里的0-3的数据值设置给iarr里
env->SetFloatArrayRegion(iarr, 0, 3, tmp);
//给一维数组的第i个元素设置值
env->SetObjectArrayElement(second, i, iarr);
//删除临时元素iarr数组
env->DeleteLocalRef(iarr);

}

return second;
}

/*
* Class:     airmovegesture_com_socketjnitest_MultiTypeArraryTest
* Method:    TestLongInt2D
* Signature: ()[[J
*/
JNIEXPORT jobjectArray JNICALL Java_airmovegesture_com_socketjnitest_MultiTypeArraryTest_TestLongInt2D
(JNIEnv *env, jclass jcl){

//一维数组
jclass intArrCls = env->FindClass("[J");
//创建一个有10个元素，每个元素的值是  一维数组的数组
jobjectArray second = env->NewObjectArray(10, intArrCls, NULL);

//给以维数据填充值
for (int i = 0; i < 10; i++) {

jlong tmp[256]; /* make sure it is large enough! */

jlongArray iarr = env->NewLongArray(3);

tmp[0] = 1000000000000000000;
tmp[1] = 1000000000000000001;
tmp[2] = 1000000000000000002;

//把temp里的0-3的数据值设置给iarr里
env->SetLongArrayRegion(iarr, 0, 3, tmp);
//给一维数组的第i个元素设置值
env->SetObjectArrayElement(second, i, iarr);
//删除临时元素iarr数组
env->DeleteLocalRef(iarr);

}

return second;
}

#ifdef __cplusplus
}
#endif
//、、、、、、、、、、、、、、三维数组、、、、、、、、、、、、、、、、、、、、、、、、、、、、、
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
#include "airmovegesture_com_socketjnitest_Arrary2D3DTest.h"
#include "airmovegesture_com_socketjnitest_GetNativeCApi.h"

/* Header for class airmovegesture_com_socketjnitest_Arrary2D3DTest */

#ifdef __cplusplus
extern "C" {
#endif
/*
* Class:     airmovegesture_com_socketjnitest_Arrary2D3DTest
* Method:    Arrary2D
* Signature: ()[[I
*/
JNIEXPORT jobjectArray JNICALL Java_airmovegesture_com_socketjnitest_Arrary2D3DTest_Arrary2D
(JNIEnv *env, jclass jcl){

//一维数组
jclass intArrCls = env->FindClass("[I");
//创建一个有10个元素，每个元素的值是  一维数组的数组
jobjectArray second = env->NewObjectArray(10, intArrCls, NULL);

//给以维数据填充值
for (int i = 0; i < 10; i++) {

jint tmp[256]; /* make sure it is large enough! */

jintArray iarr = env->NewIntArray(3);

tmp[0] = bs.hand_count;
tmp[1] = bs.hand_info.hand_rect.x;
tmp[2] = bs.hand_info.hand_rect.y;

//把temp里的0-3的数据值设置给iarr里
env->SetIntArrayRegion(iarr, 0, 3, tmp);
//给一维数组的第i个元素设置值
env->SetObjectArrayElement(second, i, iarr);
//删除临时元素iarr数组
env->DeleteLocalRef(iarr);

}

return second;
}

/*
* Class:     airmovegesture_com_socketjnitest_Arrary2D3DTest
* Method:    Arrary3D
* Signature: ()[[[I
*/
JNIEXPORT jobjectArray JNICALL Java_airmovegesture_com_socketjnitest_Arrary2D3DTest_Arrary3D
(JNIEnv *env, jclass jcl){

jclass intArrCls2 = env->FindClass("[[I");

jobjectArray one = env->NewObjectArray(2, intArrCls2, NULL);

for(int k=0;k<2;k++)
{
//一维数组
jclass intArrCls = env->FindClass("[I");
//创建一个有10个元素，每个元素的值是  一维数组的数组
jobjectArray second = env->NewObjectArray(10, intArrCls, NULL);

//给以维数据填充值
for (int i = 0; i < 10; i++) {

jint tmp[256]; /* make sure it is large enough! */

jintArray iarr = env->NewIntArray(3);

tmp[0] = bs.hand_count;
tmp[1] = bs.hand_info.hand_rect.x;
tmp[2] = bs.hand_info.hand_rect.y;

//把temp里的0-3的数据值设置给iarr里
env->SetIntArrayRegion(iarr, 0, 3, tmp);
//给一维数组的第i个元素设置值
env->SetObjectArrayElement(second, i, iarr);
//删除临时元素iarr数组
env->DeleteLocalRef(iarr);

}
//给三维数组里的每个元素设置值，值是一个有一个元素组成的二维数据，每个元素是一个由三个浮点小数组成的三维数组
env->SetObjectArrayElement(one, k, second);
//删除临时元素二维数组
env->DeleteLocalRef(second);
}
return one;
}

#ifdef __cplusplus
}
#endif