如何在java scoket中获取连接到android移动热点的客户端ip?
有没有办法获取连接到JavaScoket中android热点的客户端ip,我必须在提交时向客户端ip发送输入值 以下是我所尝试的:如何在java scoket中获取连接到android移动热点的客户端ip?,java,android,sockets,ip,Java,Android,Sockets,Ip,有没有办法获取连接到JavaScoket中android热点的客户端ip,我必须在提交时向客户端ip发送输入值 以下是我所尝试的: private class AttemptSubmit { public ArrayList<String> getClientList1() { ArrayList<String> clientList = new ArrayList<>(); BufferedReader br =
private class AttemptSubmit {
public ArrayList<String> getClientList1() {
ArrayList<String> clientList = new ArrayList<>();
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader("/proc/net/arp"));
String line;
while ((line = br.readLine()) != null) {
String[] clientInfo = line.split(" +");
String mac = clientInfo[3];
if (mac.matches("..:..:..:..:..:..")) {
clientList.add(clientInfo[0]);
// TODO Auto-generated method stub
Socket socket = null;
DataOutputStream dataOutputStream = null;
DataInputStream dataInputStream = null;
try {
socket = new Socket(clientInfo[0], 8888);
dataOutputStream = new DataOutputStream(socket.getOutputStream());
dataInputStream = new DataInputStream(socket.getInputStream());
dataOutputStream.writeUTF(editUsername.getText().toString());
dataOutputStream.writeUTF(editPassword.getText().toString());
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
if (socket != null){
try {
socket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (dataOutputStream != null){
try {
dataOutputStream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (dataInputStream != null){
try {
dataInputStream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
} catch (java.io.IOException aE) {
aE.printStackTrace();
return null;
}
return getClientList1();
}
问题是,当我点击提交按钮时,我得到了这个错误“不幸的是,Aqua弯了腰。”发布你的logcat错误发布你的logcat错误
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
AttemptSubmit attemptSubmit= new AttemptSubmit();
attemptSubmit.getClientList1();
}
});