2013-08-09 android tcp server

永久链接: http://liuzongming1988.iteye.com/blog/1922747

 

(1)BYTE TO STRING

(2)STRING TO BYTE

(3)THREAD

(4)HANDLE

 

1. packagecom.FJICC.lzm;
2. importjava.util.ArrayList;
3. importjava.util.Enumeration;
4. importjava.io.BufferedReader;
5. importjava.io.IOException;
6. importjava.io.InputStream;
7. importjava.io.InputStreamReader;
8. importjava.io.OutputStream;
9. importjava.net.InetAddress;
10. importjava.net.NetworkInterface;
11. importjava.net.Socket;
12. importjava.net.ServerSocket;
13. importandroid.app.Activity;
14. importandroid.app.AlertDialog;
15. importandroid.app.Dialog;
16. importandroid.content.Context;
17. importandroid.content.DialogInterface;
18. importandroid.content.Intent;
19. importandroid.os.Bundle;
20. importandroid.os.Handler;
21. importandroid.os.Message;
22. importandroid.view.View;
23. importandroid.widget.Button;
24. importandroid.widget.EditText;
25. importandroid.widget.TextView;
26. publicclasstcp_serverextendsActivity{
28. privateButtonserverStart_btn;
29. privateButtonserverStop_btn;
30. privateTextViewreceivedata_tv;
31. privateButtonsetport_btn;
32. privateEditTextsenddata_et;
33. privateButtonsend_btn;
34. publicintPORT=8080;
35. publicHandlermHandler;
36. protectedstaticfinalintGUINOTIFIER=0x1234;
37. @Override
38. publicvoidonBackPressed(){
39. //TODOAuto-generatedmethodstub
40. super.onBackPressed();
41. Intenti=newIntent();
42. i.setClass(tcp_server.this,MainActivity.class);
43. startActivity(i);
44. finish();
45. }
46. @Override
47. protectedvoidonCreate(BundlesavedInstanceState){
48. //TODOAuto-generatedmethodstub
49. super.onCreate(savedInstanceState);
50. setContentView(R.layout.tcpserver_main);
52. serverStart_btn=(Button)findViewById(R.id.btnStart);
53. serverStop_btn=(Button)findViewById(R.id.btnStop);
54. setport_btn=(Button)findViewById(R.id.btnSet);
55. send_btn=(Button)findViewById(R.id.btnSend);
57. senddata_et=(EditText)findViewById(R.id.et_send);
58. receivedata_tv=(TextView)findViewById(R.id.tv_receive);
59. serverStart_btn.setOnClickListener(newButton.OnClickListener(){
60. @Override
61. publicvoidonClick(Viewv){
62. //TODOAuto-generatedmethodstub
63. serverStart_btn.setEnabled(false);
64. setport_btn.setEnabled(false);
65. serverStop_btn.setEnabled(true);
67. newThread()
68. {
69. @Override
70. publicvoidrun(){
71. //TODOAuto-generatedmethodstub
72. super.run();
73. ServerSocketserverSocket=null;
74. try{
75. //创建ServerSocket对象监听PORT端口
76. serverSocket=newServerSocket(PORT);
77. //接收tcp连接返回socket对象
78. Socketsocket=serverSocket.accept();
80. //获得输入流
81. InputStreaminputStream=socket.getInputStream();
82. ///////////////////////////////////////////////////////////////////////////////////////
83. //获得输出流
84. OutputStreamoutputStream=socket.getOutputStream();
85. byte[]byteBuffer=newbyte[1024];
86. inttemp=0;
87. Strings;
88. //读取接收到的数据
89. while((temp=inputStream.read(byteBuffer))!=-1)
90. {
91. outputStream.write(byteBuffer,0,temp);
92. //将byte转为string
93. //String(byte[],int,int)使用平台的缺省字符编码方式转换指定的字节子数组生成一新的String
94. s=newString(byteBuffer,0,temp);
96. //将string转byte
97. //byte[]bs=str.getBytes();
99. //定义一个message的变量m
100. Messagem=newMessage();
101. //消息的标记GUINOTIFIER在前面定义的
102. m.what=tcp_server.GUINOTIFIER;
103. //将要传送的数据传递给m.obj
104. m.obj=s;
105. //传送消息
106. tcp_server.this.mHandler.sendMessage(m);
107. }
108. //System.out.println(newString(byteBuffer,0,temp));
109. outputStream.flush();
110. socket.close();
111. serverSocket.close();
113. }catch(IOExceptione){
114. e.printStackTrace();
115. }
116. }
117. }.start();
118. }
119. });
120. //创建handler
121. mHandler=newHandler(){
122. publicvoidhandleMessage(Messagemsg){
123. switch(msg.what){//得到Handle的通知了这个时候你可以做相应的操作
124. casetcp_server.GUINOTIFIER://tcp_server是Activity的类名
125. //清空textView
126. receivedata_tv.setText("");
127. //设置textView显示内容
128. receivedata_tv.setText(msg.obj.toString());
129. break;
130. }
131. super.handleMessage(msg);
132. }
133. };
134. //结束TCP服务器
135. serverStop_btn.setOnClickListener(newButton.OnClickListener(){
136. @Override
137. publicvoidonClick(Viewv){
138. serverStart_btn.setEnabled(true);
139. setport_btn.setEnabled(true);
140. serverStop_btn.setEnabled(false);
142. Intenti=newIntent();
143. i.setClass(tcp_server.this,MainActivity.class);
144. startActivity(i);
145. finish();
146. }});
147. }
148. }
149. tcpserver_main.xml
150. <?xmlversion="1.0"encoding="UTF-8"?>
151. <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"
152. android:layout_width="fill_parent"
153. android:layout_height="fill_parent"
154. android:orientation="vertical">
155. <LinearLayout
156. android:layout_width="wrap_content"
157. android:layout_height="wrap_content"
158. android:layout_gravity="center_horizontal"
159. android:orientation="horizontal">
160. <Button
161. android:id="@+id/btnStart"
162. style="?android:attr/buttonStyleSmall"
163. android:layout_width="wrap_content"
164. android:layout_height="wrap_content"
165. android:text="开启服务"/>
166. <Button
167. android:id="@+id/btnStop"
168. style="?android:attr/buttonStyleSmall"
169. android:layout_width="wrap_content"
170. android:layout_height="wrap_content"
171. android:text="关闭服务"/>
172. <Button
173. android:id="@+id/btnSet"
174. style="?android:attr/buttonStyleSmall"
175. android:layout_width="wrap_content"
176. android:layout_height="wrap_content"
177. android:text="端口设置"/>
178. </LinearLayout>
179. <TextView
180. android:id="@+id/tv_receive"
181. android:layout_width="match_parent"
182. android:layout_height="wrap_content"
183. android:layout_weight="0.70"
184. android:text="TextView"/>
185. <EditText
186. android:id="@+id/et_send"
187. android:layout_width="match_parent"
188. android:layout_height="wrap_content"
189. android:ems="10"
190. android:inputType="textMultiLine">
191. <requestFocus/>
192. </EditText>
193. <Button
194. android:id="@+id/btnSend"
195. style="?android:attr/buttonStyleSmall"
196. android:layout_width="148dp"
197. android:layout_height="wrap_content"
198. android:layout_gravity="center_horizontal"
199. android:text="发送"/>
200. </LinearLayout>
201. <uses-permissionandroid:name="android.permission.INTERNET"/>