socket实现简单聊天室功能 服务端和客户端代码

package com.example.android.socketclite; import android.os.AsyncTask; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.Socket; public class MainActivity extends AppCompatActivity { private EditText ipconnet, inputcontent; private TextView content; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); } private void initView() { inputcontent = (EditText) findViewById(R.id.inputcontent); ipconnet = (EditText) findViewById(R.id.ipconnet); content = (TextView) findViewById(R.id.content); } Socket socket = null; BufferedWriter writer = null; BufferedReader reader = null; public void connect(View v) { final String contents = ipconnet.getText().toString(); AsyncTask<Void, String, Void> read = new AsyncTask<Void, String, Void>() { @Override protected Void doInBackground(Void... voids) { try { socket = new Socket(contents, 5011); writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())); reader = new BufferedReader(new InputStreamReader(socket.getInputStream())); publishProgress("@success"); }catch (Exception e){ Toast.makeText(MainActivity.this, "连接失败", Toast.LENGTH_SHORT).show(); } String line; try { while ((line = reader.readLine()) != null) { publishProgress(line); } } catch (IOException e) { e.printStackTrace(); } return null; } @Override protected void onProgressUpdate(String... values) { if (values[0].equals("@success")){ Toast.makeText(MainActivity.this, "连接成功", Toast.LENGTH_SHORT).show(); } content.append("别人说:"+values[0]+"\n"); super.onProgressUpdate(values); } }; read.execute(); } public void send(View v) { try { content.append("我说:"+inputcontent.getText().toString()+"\n"); writer.write(inputcontent.getText().toString()+"\n"); writer.flush(); inputcontent.setText(""); } catch (IOException e) { e.printStackTrace(); } } }