我正在学习使用Android进行套接字编程。我有两个移动设备。两者都连接到不同的WiFi网络。我的服务器应用正在一台设备上运行,而客户端应用正在另一台设备上运行。我无法将客户端连接到具有不同WiFi网络的服务器。为什么?
请帮助我,并为我糟糕的沟通感到抱歉。我无法将套接字客户端连接到不同WiFi网络上的套接字服务器
客户端代码:
class ClientSideThread extends Thread {
String response;
@Override
public void run() {
try {
socket = new Socket("192.168.1.111",8085);
OutputStream outToServer = socket.getOutputStream();
DataOutputStream out = new DataOutputStream(outToServer);
out.writeUTF("hi");
InputStream inFromServer = socket.getInputStream();
DataInputStream in = new DataInputStream(inFromServer);
response = in.readUTF();
out.close();
in.close();
socket.close();
} catch (UnknownHostException e) {
e.printStackTrace();
response = "UnknownHostException: " + e.toString();
} catch (IOException e) {
e.printStackTrace();
response = "IOException: " + e.toString();
}
}
}
Server代码:
private class SocketServerThread extends Thread {
@Override
public void run() {
try {
serverSocket = new ServerSocket(socketServerPORT);
while (true) {
Socket socket = serverSocket.accept();
sIpAddress = socket.getInetAddress();
sPort = socket.getPort();
BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line;
StringBuilder sb = new StringBuilder();
if ((line = reader.readLine()) != null) {
sb.append(line);
}
message = sb.toString();
printWriter = new PrintWriter(socket.getOutputStream());
printWriter.println(message);
printWriter.flush();
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
String sDisplayMsg = "Replay:" + message;
TextView rowTextView = new TextView(MainActivity.this);
rowTextView.setText(sDisplayMsg);
linearLayout.addView(rowTextView);
}
});
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
检查服务器是否在端口上侦听,您的客户端是否发送连接请求? –
是的,我检查了,我得到客户端代码中的Socket超时异常 – Siddharthan
当客户端无法写入输出流时,可能会发生这种情况。在服务器端硬编码端口号8085而不是socketServerPORT。 –