Android:套接字已关闭
PCClient:Android:套接字已关闭,android,socketexception,Android,Socketexception,PCClient: public class PCServer { /** * @param args */ static Socket socket = null; private static String ip = "192.168.42.129"; private static int port = 18181; public static void main(String[] args) { // TODO Auto-generated method stub
public class PCServer
{
/**
* @param args
*/
static Socket socket = null;
private static String ip = "192.168.42.129";
private static int port = 18181;
public static void main(String[] args)
{
// TODO Auto-generated method stub
try
{
socket = new Socket(ip, port);
} catch (UnknownHostException e1)
{
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1)
{
// TODO Auto-generated catch block
e1.printStackTrace();
}
try
{
SendMsg(ip, port, "BZT");
GetMessage getMessage = new GetMessage();
getMessage.start();
} catch (UnknownHostException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void SendMsg(String ip, int port, String msg) throws UnknownHostException, IOException
{
try
{
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(msg);
writer.flush();
writer.close();
//socket.close();
} catch (UnknownHostException e)
{
e.printStackTrace();
} catch (IOException e)
{
e.printStackTrace();
}
}
static class GetMessage extends Thread
{
@Override
public void run()
{
// TODO Auto-generated method stub
super.run();
try
{
while (true)
{
System.out.println("--------------------------------------------------------");
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String str = in.readLine();
System.out.println(str);
//client.close();
}
} catch (IOException e)
{
e.printStackTrace();
}
}
}
}
AndroidServer:Service
public class SocketService extends Service
{
public static final int SERVERPORT = 18181;
ServerSocket serverSocket;
@Override
public IBinder onBind(Intent arg0)
{
// TODO Auto-generated method stub
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
// TODO Auto-generated method stub
try
{
serverSocket = new ServerSocket(SERVERPORT);
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
GetSocketMessage getSocketMessage = new GetSocketMessage();
getSocketMessage.start();
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy()
{
// TODO Auto-generated method stub
super.onDestroy();
try
{
this.serverSocket.close();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
class GetSocketMessage extends Thread
{
@Override
public void run()
{
// TODO Auto-generated method stub
super.run();
try
{
Log.i("s", "S: Connecting...");
while (true)
{
Socket client = serverSocket.accept();
Log.i("s", "S: Receiving...");
try
{
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
String str = in.readLine();
Log.i("s", "S: Received: '" + str + "'");
if ("BZT".equals(str))
{
Intent intent = new Intent("com.StarHope.ZWGKXT.connected");
sendBroadcast(intent);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
writer.write("OK");
writer.flush();
writer.close();
}
if ( Lbjy_usbActivity.content !=null )
{
Log.i("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "oooooooooooooooooooooooooooooo");
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
writer.write("");
writer.flush();
writer.close();
}
}
catch (Exception e)
{
Log.i("s", "S: Error");
e.printStackTrace();
}
finally
{
Log.i("s", "S: Done");
}
}
}
catch (Exception e)
{
Log.i("s", "S: Error");
e.printStackTrace();
}
}
}
}
android手机服务器可以接收PCClient“BZT”发送的消息,
但当手机向PC发送“OK”时,总有一个
Exception:java.net.SocketException: Socket is closed.
如何修复此问题?关闭使用
getOutputStream()
或getInputStream()
获得的任何流将关闭套接字
你在“BZT”之前收到什么东西了吗?如果是,则在发送空答案后,套接字将关闭
您应该只使用一个输出流,并且
flush()
不关闭每条消息。关闭使用getOutputStream()
或getInputStream()获得的任何流将关闭套接字
你在“BZT”之前收到什么东西了吗?如果是,则在发送空答案后,套接字将关闭
您应该只使用一个输出流,并且不关闭每条消息