cocos2d-x c++和java相互调用

c++代码

//
//  LuaTool.cpp
//  TangRenJie
//
//  Created by mac on 16/4/6.
//
//

#include "JniUtil.h"
#include "cocos2d.h"
#include "CCLuaEngine.h"

#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
#include <jni.h>
#include "platform/android/jni/JniHelper.h"
#endif

using namespace cocos2d;



// 应用计费点id priciePointId
// 计费点对应的金额 money
// 渠道号 qd

//c++调用java
void sendPayInfo(const char * priciePointId,const char * money,const char * qd)
{
    #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
        cocos2d::JniMethodInfo minfo;//定义Jni函数信息结构体
        //getStaticMethodInfo 次函数返回一个bool值表示是否找到此函数
        const char * jniClass = "org/cocos2dx/lua/AppActivity";//这里写你所要调用的java代码的类名
        bool isHave = JniHelper::getStaticMethodInfo(minfo,"org/cocos2dx/lua/AppActivity","sdkpay","(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");//本人在此传递的参数是字符串
        if (!isHave) {
            CCLog("jni->%s/callJni:此函数不存在", jniClass);
        }else{
            CCLog("jni->%s/callJni:此函数存在", jniClass);
        jstring jpriciePointId = minfo.env->NewStringUTF(priciePointId);
        jstring jmoney = minfo.env->NewStringUTF(money);
        jstring jqd = minfo.env->NewStringUTF(qd);

        //调用此函数
        minfo.env->CallStaticVoidMethod(minfo.classID, minfo.methodID,jpriciePointId,jmoney,jqd);
        }
        CCLog("jni-java函数执行完毕");
    
#endif
}

//java调用c++extern "C"
{
    #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    //方法名与java类中的包名+方法名，以下划线连接
        void Java_org_cocos2dx_lua_AppActivity_paycallbacktoapp(JNIEnv*  env, jobject thiz, jint code)
        {
            CCLog("java回调 sayHello onreceivemsg c++ %d",code);
            
            LuaEngine::getInstance()->getLuaStack()->pushInt(code);
            LuaEngine::getInstance()->executeGlobalFunction("onreceivemsg",1);
            
        
        }
    #endif
}

//#endif // #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)

//java代码

//c++调用

public static void sdkpay(String mpriciePointId, String mmoney, String mqd)

{}

//java调用

paycallbacktoapp(msg.what);

如果接入过程中 需要用到AppActivity.this 可在开始的时候 声明一个静态变量，在oncrate（）中复制this

    private static AppActivity m_app = null;

m_app = this