[NDK] JNI log in android NDK

add in android.mk file

LOCAL_LDLIBS += -llog

add in your .c file

#include <android/log.h>
#define LOG_TAG "System.out"

#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)

#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)

Now you can show your log info in this .c file

LOGD("%s","hahahaha1");