java android socket編程

1、roidsocket編程實(shí)例roid客戶(hù)端通過(guò)socket與服務(wù)器進(jìn)行通信可以分為以下幾步：應(yīng)用程序與服務(wù)器通信可以采用兩種模式：TCP可靠通信和UDP不可靠通信。（1）通過(guò)IP地址和端口實(shí)例化Socket，請(qǐng)求連接服務(wù)器：socket=newSocket(HOSTPT)host:為服務(wù)器的IP地址pt：為服務(wù)器的端口號(hào)（2）獲取Socket流以進(jìn)行讀寫(xiě)，并把流包裝進(jìn)BufferWriter或者PrintWriter：PrintWrit

2、erout=newPrintWriter(newBufferedWriter(newOutputStreamWriter(socket.getOutputStream()))true)這里涉及了三個(gè)類(lèi)：socket.getOutputStream得到socket的輸出字節(jié)流，OutputStreamWriter是字節(jié)流向字符流轉(zhuǎn)換的橋梁，BufferWriter是字符流，然后再包裝進(jìn)PrintWriter。（3）對(duì)Socket進(jìn)行讀寫(xiě)i

3、f(socket.isConnected())if(!socket.isOutputShutdown())out.println(msg)19.roid:layout_width=“fill_parent“20.roid:layout_height=“wrap_content“21.22.下面是roid客戶(hù)端的源代碼：[java][java]viewplaincopy1.packagecom.roid.SocketDemo2.3.imp

4、tjava.io.BufferedReader4.imptjava.io.BufferedWriter5.imptjava.io.IOException6.imptjava.io.InputStreamReader7.imptjava.io.OutputStreamWriter8.imptjava.io.PrintWriter9.impt.Socket10.11.imptroid.app.Activity12.imptroid.app.

5、AlertDialog13.imptroid.content.DialogInterface14.imptroid.os.Bundle15.imptroid.os.Hler16.imptroid.os.Message17.imptroid.view.View18.imptroid.widget.Button19.imptroid.widget.EditText20.imptroid.widget.TextView21.22.public

6、classSocketDemoextendsActivityimplementsRunnable23.privateTextViewtv_msg=null24.privateEditTexted_msg=null25.privateButtonbtn_send=null26.privateButtonbtn_login=null27.privatestaticfinalStringHOST=“192.168.1.223“28.priva