android实现socket连接（服务器端）

来源：互联网发布：淘宝平台服务协议编辑：程序博客网时间：2024/05/18 00:19

服务器端运行在android手机上，和上一篇是一个Demo，大家注意给应用加权限，写的有点乱，有些变量没有用到。

如果是和电脑进行通信，注意编码问题，我把两种编码都写出来了，有不明白可以留言。

public class MainActivity extends Activity {
   EditText mContent;// 发送内容
   Button mBtn;// 发送按钮
   Handler mHandle;
   ServerSocket serverSocket;
   int port = 8001;
   OutputStream output;
   InputStream input;
   DataInputStream inputStream;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       // 服务器的内容显示区
       mContent = (EditText) findViewById(R.id.X_Content_Edit);

       mHandle = new Handler() {
           @Override
           public void handleMessage(Message msg) {
               switch (msg.what) {
               case 0x123:
                   Toast.makeText(getApplicationContext(), "有客户端连接", Toast.LENGTH_SHORT).show();
                   break;
               case 0x124:
                   Bundle bundle = msg.getData();
                   mContent.append(bundle.getByteArray("byte") + "\n");
                   //mContent.append(bundle.getString("byte")+"\n");
                   break;
               default:
                   break;
               }
           }
       };

   }

   public class ServerThread implements Runnable {
       @Override
       public void run() {
           try {

               serverSocket = new ServerSocket(port);
               // 阻塞在这里等待建立连接
               Socket socket = serverSocket.accept();
               mHandle.sendEmptyMessage(0x123);// 发送消息提示有连接
               // input = socket.getInputStream();// 获取输入流
               inputStream = new DataInputStream(socket.getInputStream());
               output=socket.getOutputStream();
               while (true) {
                   Message msg = Message.obtain();
                   byte[] buff = {};
                   buff = new byte[inputStream.available()];
                   if (buff.length != 0) {
                       inputStream.read(buff);// 读取到缓存中
                       Bundle bundle = new Bundle();
                       // 1.传递字节数组与UT8-8编码相同通信，
                       bundle.putByteArray("byte", buff);
                       // 2.传递字符串与PC端通信需要把GBK转为UTF-8
                       //bundle.putString("byte", new String(buff, "gbk"));
                       msg.setData(bundle);
                       msg.what = 0x124;
                       mHandle.sendMessage(msg);
                       //PC GBK编码发送
                       //output.write("服务器收到\n".getBytes("GBK"));
                       //android UTF-8 编码发送
                       output.write("服务器收到\n".getBytes("UTF-8"));
                   }
               }
           } catch (IOException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
           }
       }
   }

/*   public class DoThread implements Runnable {
       @Override
       public void run() {
           output.write(bundle.getString("context").getBytes("UTF-8"));
       }
   }*/

   @Override
   protected void onStart() {
       super.onStart();
       new Thread(new ServerThread()).start();
   }

   @Override
   protected void onDestroy() {
       super.onDestroy();
       try {
           inputStream.close();
           output.close();
           serverSocket.close();
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }

   }
}

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