cocos2dx - 安卓蓝牙游戏(c++调用)

上次写的蓝牙对战游戏先把c++ 调用的代码也贴上来

其实上次的就是核心代码，c++ 调用就是用jni通信
流程为服务端打开蓝牙等待联机

客户端打开蓝牙，搜索蓝牙，选择指定服务端蓝牙，联机成功后通信

//打开服务端

JniMethodInfo info;jobject jobj;if(JniHelper::getStaticMethodInfo(info,"org/cocos2dx/cpp/AppActivity","getInstance","()Ljava/lang/Object;")){jobj = info.env->CallStaticObjectMethod(info.classID,info.methodID);}

<pre name="code" class="html">if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","openBlueToot","(I)Ljava/lang/String;")){jstring jstr = (jstring)info.env->CallObjectMethod(jobj,info.methodID,1);std::string text = JniHelper::jstring2string(jstr);   if (text != "0"){//Bluetooth is opened

<span style="white-space:pre">                  </span>//打开服务器if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","buildServerConnect","()V"));{info.env->CallVoidMethod(jobj,info.methodID);}                   }   }else{//Failed to open Bluetooth;               }

//打开客户端，连接服务器，搜索蓝牙设备

<pre name="code" class="html">JniMethodInfo info;jobject jobj;if(JniHelper::getStaticMethodInfo(info,"org/cocos2dx/cpp/AppActivity","getInstance","()Ljava/lang/Object;")){jobj = info.env->CallStaticObjectMethod(info.classID,info.methodID);}if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","openBlueToot","(I)Ljava/lang/String;")){jstring jstr = (jstring)info.env->CallObjectMethod(jobj,info.methodID,2);std::string text = JniHelper::jstring2string(jstr);   if (text != "0"){                if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","findBuleToots","()V")){info.env->CallVoidMethod(jobj,info.methodID);}                 }   }else{//open blue failed}

//服务端搜索到蓝牙向c++发送数据

<pre name="code" class="html">#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
extern "C"{void Java_org_cocos2dx_cpp_AppActivity_get(JNIEnv*  env, jobject thiz){}void Java_org_cocos2dx_cpp_AppActivity_set(JNIEnv*  env, jobject thiz,jint ji){i = ji+1;  }void Java_org_cocos2dx_cpp_AppActivity_StringFromJni(JNIEnv*  env, jobject thiz,jstring userList){int i;        jclass cls_arraylist = env->GetObjectClass(userList);           jmethodID arraylist_get = env->GetMethodID(cls_arraylist,"get","(I)Ljava/lang/Object;");  jmethodID arraylist_size = env->GetMethodID(cls_arraylist,"size","()I");  jint len = env->CallIntMethod(userList,arraylist_size);  for(i=0;i<len;i++){  jobject obj_user = env->CallObjectMethod(userList,arraylist_get,i);  jclass cls_user = env->GetObjectClass(obj_user);  jmethodID user_getName = env->GetMethodID(cls_user,"getName","()Ljava/lang/String;");  jmethodID user_getaddress = env->GetMethodID(cls_user,"getAddress","()Ljava/lang/String;");  jstring name = (jstring)env->CallObjectMethod(obj_user,user_getName);  jstring address = (jstring)env->CallObjectMethod(obj_user,user_getaddress);  jboolean b = true;  const char *nameStr = env->GetStringUTFChars(name,&b);  const char *addressStr = env->GetStringUTFChars(address,&b);  log("********************Name:%s; ",nameStr);  log("********************addres:%s; ",addressStr); }}//传递数据void Java_org_cocos2dx_cpp_AppActivity_SendTo(JNIEnv*  env, jobject thiz,jstring msg){const char *pkgName = env->GetStringUTFChars(msg, NULL);log("***************************************::Sendto ::%s",pkgName);env->ReleaseStringUTFChars(msg, pkgName);}}

//连接蓝牙设备

<pre name="code" class="html">JniMethodInfo info;jobject jobj;if(JniHelper::getStaticMethodInfo(info,"org/cocos2dx/cpp/AppActivity","getInstance","()Ljava/lang/Object;")){jobj = info.env->CallStaticObjectMethod(info.classID,info.methodID);if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","chooseBlueDevice","(Ljava/lang/String;)V"));{jobject para = info.env->NewStringUTF(address);info.env->CallVoidMethod(jobj,info.methodID,para);}}

//连接成功之后就可以通信传递数据用于游戏的的通信了

//java 向c++<span style="font-family: Arial, Helvetica, sans-serif;">通信</span>

<pre name="code" class="html">extern "C"{void Java_org_cocos2dx_cpp_AppActivity_SendMsgForServer(JNIEnv*  env, jobject thiz,jstring msg){const char *pkgName = env->GetStringUTFChars(msg, NULL);log("***************************************::SendMsgForServer ::%s",pkgName);

<span style="white-space:pre">      </span>std::vector<std::string> vv;

<span style="white-space:pre">      </span>//分割字符串HelloWorld::getInstance()->split(pkgName,"_",vv);if(vv.at(0).c_str() == std::string("ClientThread")){return;}else if(vv.at(0).c_str() == std::string("Connect")){//连接成功}

     env->ReleaseStringUTFChars(msg, pkgName);}
}

//c++ 向java通信

void ServerGame::sendToMsg(const char* str)
{#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) JniMethodInfo info;jobject jobj;if(JniHelper::getStaticMethodInfo(info,"org/cocos2dx/cpp/AppActivity","getInstance","()Ljava/lang/Object;")){jobj = info.env->CallStaticObjectMethod(info.classID,info.methodID);}if(JniHelper::getMethodInfo(info,"org/cocos2dx/cpp/AppActivity","sendMessageHandle","(Ljava/lang/String;)V"));{jobject para = info.env->NewStringUTF(str);info.env->CallVoidMethod(jobj,info.methodID,para);}#endif
}

//客户端和服务端通信的代码都一样的

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