Android编程：Socket编写

 

 

TCP Socket客户端编写

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 public class SocketActivity extends Activity {private Button startButton = null; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); startButton = (Button)findViewById(R.id.startButton); startButton.setOnClickListener(new StartSocketListener()); } class StartSocketListener implements OnClickListener{@Overridepublic void onClick(View v) {// TODO Auto-generated method stubnew ServerThread().start();} } class ServerThread extends Thread{@Overridepublic void run() {// TODO Auto-generated method stub//声明一个serverSocket对象ServerSocket serverSocket = null;try{//创建一个serverSocket对象，并让这个Socket在4567端口监听serverSocket = new ServerSocket(4567);//调用serverSocket的accept()方法，接受客户端所以发送的请求Socket socket = serverSocket.accept();//从Socket当中得到InputStream对象InputStream inputStream = socket.getInputStream();byte buffer [] = new byte[1024*4];int temp = 0;//从InputStream当中读取客户端所发送的数据while ((temp = inputStream.read(buffer)) != -1){System.out.println(new String(buffer,0,temp));}}catch(IOException e){e.printStackTrace();} finally{ try{ serverSocket.close(); }catch (IOException e){ e.printStackTrace(); } }} } }

 

TCP客户端编写

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public class TCPClient {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubtry{//创建一个Socket，指定服务器端的IP地址和端口号Socket socket = new Socket("192.168.1.104",4567);//使用InputStream读取硬盘上的一个文件InputStream inputStream = new FileInputStream("f://file/word.txt");//从Socket当中得到OutputStreamOutputStream outputStream = socket.getOutputStream();byte buffer[] = new byte[4*1024];int temp = 0;//将InputStream中的数据读出，并写入到OutputStream中while ((temp = inputStream.read(buffer)) != -1){outputStream.write(buffer,0,temp);}outputStream.flush();}catch (Exception e){e.printStackTrace();}}}

 

 

UDP服务器端编写

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public class SocketActivity extends Activity {private Button startButton = null; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); startButton = (Button)findViewById(R.id.startButton); startButton.setOnClickListener(new StartSocketListener()); } class StartSocketListener implements OnClickListener{@Overridepublic void onClick(View v) {// TODO Auto-generated method stubnew ServerThread().start();} } class ServerThread extends Thread{ public void run(){ try{ //创建一个DatagramSocket对象，并指定的监听的端口号 DatagramSocket socket = new DatagramSocket(4567); byte data[] = new byte[4*1024]; //创建一个空的DatagramPacket DatagramPacket packet = new DatagramPacket(data,data,length); //使用receive方法接收客户端发送的数据 socket.receive(packet); String result = new String(packet.getData(),packet.getOffset(),packet.getLength()); System.out.println("result---->" + result); }catch (Exception e){ e.printStackTrace(); } } } }

 

UDP客户端编写

 

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 public class UDPClient {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubtry{//创建一个DatagramSocket对象DatagramSocket socket = new DatagramSocket(4567);//创建一个InetAddress对象InetAddress serverAddress = InetAddress.getByName("192.168.1.104");String str = "hello";byte data[] = str.getBytes();//创建一个DatagramPacket对象，并指定要将这个数据包发送到网络中的哪个地址，以及端口号DatagramPacket packet = new DatagramPacket(data,data.length,serverAddress,4567);//调用socket对象的send方法发送数据socket.send(packet);}catch(Exception e){e.printStackTrace();}}