连接被拒绝:将java客户端连接到Android服务器(仿真器)时
我几乎什么都试过了连接被拒绝:将java客户端连接到Android服务器(仿真器)时,java,android,sockets,Java,Android,Sockets,我几乎什么都试过了 使用ADB转发TCP:12345 TCP:12345从ADB外壳转发 使用10.0.2.2(不转发)侦听我的主机 在清单中设置INTERNET权限 将线程策略设置为允许所有函数 我在12345端口运行我的客户机java程序,我在Android程序中有一个ServerSocket,它通过同一端口监听。但是,当我运行我的客户机(在模拟器上运行服务器程序之后)并输入要传输的字符串时,我会得到一个异常,即“连接被拒绝” java.net.ConnectException: C
java.net.ConnectException: Connection refused: connect
这是我的服务器程序:
public class MainActivity extends Activity {
TextView tv;
ServerSocket ss = null;
String mClientMsg = "";
Thread myCommsThread = null;
public static final int SERVERPORT = 12345;
protected static final int MSG_ID = 0x1337;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = new TextView(this);
tv.setText("Nothing from client yet");
setContentView(tv);
this.myCommsThread = new Thread(new CommsThread());
this.myCommsThread.start();
}
@Override
protected void onStop() {
super.onStop();
try {
// make sure you close the socket upon exiting
ss.close();
} catch (IOException e) {
e.printStackTrace();
}
}
Handler myUpdateHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_ID:
// TextView tv = (TextView) findViewById(R.id.TextView01);
tv.setText(mClientMsg);
setContentView(tv);
break;
default:
break;
}
super.handleMessage(msg);
}
};
class CommsThread implements Runnable {
public void run() {
Socket s = null;
try {
ss = new ServerSocket(SERVERPORT);
} catch (IOException e) {
e.printStackTrace();
}
while (!Thread.currentThread().isInterrupted()) {
Message m = new Message();
m.what = MSG_ID;
try {
if (s == null)
s = ss.accept();
BufferedReader input = new BufferedReader(
new InputStreamReader(s.getInputStream()));
String st = null;
st = input.readLine();
mClientMsg = st;
myUpdateHandler.sendMessage(m);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
}
我的Java客户端程序如下所示:
public class TCPSender {
public static void main(String args[]) {
try {
DataInputStream dis = new DataInputStream(System.in);
System.out.println("Enter the file name:");
@SuppressWarnings("deprecation")
String f = dis.readLine();
File f1 = new File(f);
FileReader fr = new FileReader(f1);
Socket s = new Socket("127.0.0.1", 12345);
PrintWriter pw = new PrintWriter(s.getOutputStream(), true);
pw.println(f);
int c = 0;
while ((c = fr.read()) != -1)
pw.println(c);
System.out.println("File content are sent....");
fr.close();
s.close();
} catch (Exception e) {
System.out.println("" + e);
}
}
}
有没有可能Windows防火墙(或同等防火墙)会阻止连接?没有,我已经关闭了防火墙,而且它可以在两个java程序之间工作。。。