首先在Java se平台上建立一個Socket服務端:
public static void main(String[] args) {
try {
ServerSocket ss = new ServerSocket(8888);
System.out.println("Listening");
while(true) {
Socket socket = ss.accept(); //擷取串連的Socket對象
System.out.println("Wati!Client Connected...");
DataOutputStream dout = new DataOutputStream(socket.getOutputStream());
Date d = new Date();//建立一個data對象
dout.writeUTF(d.toLocaleString());//向用戶端發送日期資訊
dout.close();//關閉DataOutputStream
socket.close();//關閉Socket對象
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
完成了服務端之後,再在andorid平台下建立一個用戶端
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
connectionToServer();
}
public void connectionToServer(){
try {
Socket scoket = new Socket("10.167.18.140",8888);
DataInputStream din = new DataInputStream(scoket.getInputStream());//擷取輸入資料流
String msg =din.readUTF();//讀取服務端發送的訊息
EditText et = (EditText) findViewById(R.id.et_client);
et.setText(msg);
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
在完成了用戶端之後還必須在mainfest.xml檔案中加入網路許可權
<uses-permission android:name="android.permission.INTERNET"/>
然後就是先運行服務端,在項目名上單擊右鍵,選擇Run As Java Appliacation
再在Android上運行用戶端即可,此時就可以看到在用戶端的輸入框中看到服務端的系統時間了