连接网络的方法_计算机软件及应用_IT计算机_专业资料

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1、单例模式:Connection.classpubLiccLassConnectionextendsThread{privateStringip=,,192.168.31.162";privateintport=20001;Socketsocket=nuLL;DatalnputStreamreader=nuLL;DataOutputStreamwriter=nuLL;pubLicbooLeanflag=faLse;Stringstr;MainActivityma;//=================4i^===================

2、=======privateConnection(){}privatestaticcLassSingleConnection{privatevoLatiLestaticConnectioninstance=newConnection();}pubLicstaticsynchronizedConnectiongetlnstance()returnSingleConnection•instance;}"举帕一一一pubLicConnection(Stringip,intport){this.ip=ip;this.port=port;}pubLic

3、Connection(Stringip,intport,MainActivityma)；this.ip=ip;this•port二port;this.ma=ma;}pubLicvoidconnect(){try{if(socket==nuLL

4、

5、socket.isClosed()){socket=newSocket(ip,port);System・out・printin("====服务器已连接====");if(writer==null){writer=newDataOutputStream(socket.getOutputStream())

6、;reader=newDataInputStream(sockegetlnputStream());System.out.printIn("客户端接收/发送，已准备完毕・・・”)；}flag=true;}}catch(IOExceptione){try{readeredoseO;writer>close();}catch(IOExceptionel){el.printStackTrace();}e.printStackTrace();}}pubLicvoiddisconnect(){try{flag=false;socketeClose();

7、}catch(IOExceptione){ewriteUTF(string);"y{Thread.steep(3000);)catch(TnterruptedExceptione)e•printStackTrace();}}}}catch(IOExceptione)e・printStackTrace();}}pubLicbooLeanisConnected()ret

8、urnsocket.isConnected();}pubLicvoidrun(){MhiLe(flag){try{str="服务器:”+reader.readUTF();if(ma!=nuLL)ma・showinTv(str);eLseSystem・out・printin(str);}catch(IOExceptione){flag=faLse;e・printStackTrace();}}}}IMService.classpubLiccLassIMServiceextendsServiceConnectionconn;MyAppmyApp;@

9、OverridepubLicvoidonCreate(){super.onCreate();myApp=(MyApp)getApplication();if(conn==null)conn=myApp.connection;System•out.printin("+++++++++++++++++”)；System.out.printingservicestart11);System•out.printin("+++++++++++++++++”);newThread(newRunnable(){^OverridepubLicvoidrun(

10、){connstart();}}).start();if(conn.flag){newThread(neu/Runnable(){@