JNI Log 打印

#include <android/log.h>
#include <stdarg.h>

#define LOG_TAG "SHUIYES"

#ifdef DEBUG
void ALOG(const char *fmt, ...) {
    va_list ap;
    va_start(ap, fmt);
    __android_log_vprint(ANDROID_LOG_DEBUG, LOG_TAG, fmt, ap);
    va_end(ap);
}
#else
#define ALOG(fmt, ...) ((void)0)
#endif

Usage:

ALOG("int=%d, long=%ld, float=%f, double=%lf, str=%s, ptr=%p", 
     1, 2L, 3.0f, 4.0, "text", &var);