190303-Android(Java) Socket Communication

1. Android Socket Communication 

    Definite Client socket

    #definite socket with Server IP and Server port No.

    　　Socket socket = new Socket("127.0.1.0",4700)

 

    Definite Server socket

    #definite ServerSocket with Server port No.

    　　ServerSocket server = new ServerSocket(4700);

    #definite serversocket by using accept() function of socket

    　　Socket socket = server.accept();

 

    Send by socket

    #definite PrintWriter by using getOutputStrea() function of socket.

    　　PrintWriter Socout = new PrintWriter(socket.getOutputStream());

    #send PringWriter

    　　Socout.printIn(str);

    　　Socout.flush();

    #close PrintWriter and socket

     　　socket.close();

 

   Read from socket

   #definite InputStreamReader by using getInputStream() function of socket

   　　InputStreamReader Socin = new InputStreamReader(socket.getInputStream());

   #definite BufferedReader from InputStreamReader

   　　BufferedReader Socbuf = new BufferedReader(Socin);

   #read from BufferedReader by using readline() function of BufferedReader

   　　String readline;

　　　readline = Socbuf.readline();