android_io.cpp
#include "HalideRuntime.h"
extern "C" {
#define ANDROID_LOG_INFO 4
extern int __android_log_print(int, const char *, const char *, ...);
WEAK void halide_default_print(void *user_context, const char *str) {
__android_log_print(ANDROID_LOG_INFO, "halide", "%s", str);
}
}