cocos2d-x c++和java相互調用

c++代碼

//
//  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;



// 應用計費點id priciePointId
// 計費點對應的金額 money
// 渠道號 qd

//c++調用java
void sendPayInfo(const char * priciePointId,const char * money,const char * qd)
{
    #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
        cocos2d::JniMethodInfo minfo;//定義Jni函數信息結構體
        //getStaticMethodInfo 次函數返回一個bool值表示是否找到此函數
        const char * jniClass = "org/cocos2dx/lua/AppActivity";//這裏寫你所要調用的java代碼的類名
        bool isHave = JniHelper::getStaticMethodInfo(minfo,"org/cocos2dx/lua/AppActivity","sdkpay","(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");//本人在此傳遞的參數是字符串
        if (!isHave) {
            CCLog("jni->%s/callJni:此函數不存在", jniClass);
        }else{
            CCLog("jni->%s/callJni:此函數存在", jniClass);
        jstring jpriciePointId = minfo.env->NewStringUTF(priciePointId);
        jstring jmoney = minfo.env->NewStringUTF(money);
        jstring jqd = minfo.env->NewStringUTF(qd);

        //調用此函數
        minfo.env->CallStaticVoidMethod(minfo.classID, minfo.methodID,jpriciePointId,jmoney,jqd);
        }
        CCLog("jni-java函數執行完畢");
    
#endif
}

//java調用c++extern "C"
{
    #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    //方法名與java類中的包名+方法名，以下劃線連接
        void Java_org_cocos2dx_lua_AppActivity_paycallbacktoapp(JNIEnv*  env, jobject thiz, jint code)
        {
            CCLog("java回調 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代碼

//c++調用

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

{}

//java調用

paycallbacktoapp(msg.what);

如果接入過程中 需要用到AppActivity.this 可在開始的時候 聲明一個靜態變量，在oncrate（）中複製this

    private static AppActivity m_app = null;

m_app = this