Python server and Android client socket communication instance _python

The example in this article describes how the Python server communicates with the Android client socket. Share to everyone for your reference. The implementation methods are as follows:

First, the server side is done with Python, and here's the Python code:

Copy Code code as follows:

#server. py
Import socket
def GETIPADDRS (hostname): #只是为了显示IP, just test
result = Socket.getaddrinfo (hostname, None, 0, socket. SOCK_STREAM)
return [x[4][0] for x on result]

Host = ' #为空代表为本地host
hostname = Socket.gethostname ()
HostIP = Getipaddrs (hostname)
Print (' Host IP ', hostip) #应该显示为: 127.0.1.1
Port = 9999 # arbitrary non-privileged Port
s = socket.socket (socket.af_inet, socket. SOCK_STREAM)
S.bind (host, Port)
S.listen (4)
While True:
conn, addr = S.accept ()
Print (' Connected by ', addr)
data = CONN.RECV (1024)
If not data:break
Conn.sendall (data) #把接收到数据原封不动的发送回去
Print (' Received ', repr (data))
Conn.close ()

Here's the Android code:

Copy Code code as follows:

Import Java.io.BufferedReader;
Import Java.io.BufferedWriter;
Import java.io.IOException;
Import Java.io.InputStreamReader;
Import Java.io.OutputStreamWriter;
Import Java.net.Socket;
Import java.net.UnknownHostException;

Import android.app.Activity;
Import android.content.Intent;
Import Android.os.Bundle;
Import Android.util.Log;

public class TcpClient extends activity {
/** called the activity is a. */
@Override
public void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.main);
Runtcpclient ();
Finish ();
}

private static final int tcp_server_port = 9999;//should is same to the SERVER PORT
private void Runtcpclient () {
try {
Socket s = new socket ("**.**.intel.com", tcp_server_port);/note Host changes to your server's hostname or IP address
BufferedReader in = new BufferedReader (New InputStreamReader (S.getinputstream ()));
BufferedWriter out = new BufferedWriter (New OutputStreamWriter (S.getoutputstream ()));
Send Output MSG
String outmsg = "TCP connecting to" + Tcp_server_port + system.getproperty ("Line.separator");
Out.write (outmsg);//Send data
Out.flush ();
LOG.I ("TcpClient", "Sent:" + outmsg);
Accept Server Response
String inmsg = in.readline () + system.getproperty ("Line.separator");//Get the data returned by the server
LOG.I ("TcpClient", "Received:" + inmsg);
Close connection
S.close ();
catch (Unknownhostexception e) {
E.printstacktrace ();
catch (IOException e) {
E.printstacktrace ();
}
}
Replace Runtcpclient () at onCreate and if you are want to run TCP client as a service
private void Runtcpclientasservice () {
Intent lintent = new Intent (This.getapplicationcontext (), tcpclientservice.class);
This.startservice (lintent);
}
}

The Android code should pay attention to the server's address to write right, and to ensure that the server can be accessed by your network segment.

I hope this article will help you with your Python programming.