jni返回byte[]

http://www.aichengxu.com/view/48141再次基础上做了改动 调用：int ilength,i;byte[] retdata;byte[] out1 = new byte[1024];{    out1[0] =(byte) 0X31;    out1[1] =(byte) 0X32;    out1[2] =0x33;    out1[3] =0x34;    out1[4] = 0x35;}retdata=JniNatives.Bluetooth_NativeProcessData_Send(out1, 5);jni:

JNIEXPORT jbyteArray JNICALL Native_ProcessData_Send(JNIEnv *env, jobject clazz, jbyteArray data,jint len){jbyte gs_raw_data[256];int i;jbyte* bytedata =env->GetByteArrayElements(data, 0);memset(&gs_raw_data,0,255);memcpy(&gs_raw_data,bytedata,len);// parse the data//below is the return 's bytearray lensjbyteArray jarrRV =env->NewByteArray(len+1);env->SetByteArrayRegion(jarrRV, 0,len,gs_raw_data);return jarrRV;}static JNINativeMethod gMethods[] = {

{"Bluetooth_NativeProcessData_Send","([BI)[B",(void*)Native_ProcessData_Send}}