Android 简单的JNI编程

package com.miles.libs;

public class Hello {
    
    // 加载本地库
    static {
        System.loadLibrary("Hello");
    }

    // 本地库中的方法
    public native String hello();
}

/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_miles_libs_Hello */

#ifndef _Included_com_miles_libs_Hello
#define _Included_com_miles_libs_Hello
#ifdef __cplusplus
extern "C" {
#endif
/*
 * Class:     com_miles_libs_Hello
 * Method:    hello
 * Signature: ()Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL Java_com_miles_libs_Hello_hello
  (JNIEnv *, jobject);

#ifdef __cplusplus
}
#endif
#endif

#include <jni.h>
#include "com_miles_libs_HelloLibs.h"

JNIEXPORT jstring JNICALL Java_com_miles_libs_Hello_hello(JNIEnv *env, jobject thiz);
{
    return (*env)->NewStringUTF(env, "Hello JNI !");
}

LOCAL_PATH      := $(call my-dir)
include         $(CLEAR_VARS)
LOCAL_MODULE    := Hello
LOCAL_SRC_FILES := com_miles_libs_Hello.c
include         $(BUILD_SHARED_LIBRARY)