public class TestNetworkActivity extends Activity implements OnClickListener{  private Button connectBtn;  private Button sendBtn;  private TextView showView;  private EditText msgText;  private Socket socket;  private Handler handler;  @Override  protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.test_network_main);   connectBtn = (Button) findViewById(R.id.test_network_main_btn_connect);   sendBtn = (Button) findViewById(R.id.test_network_main_btn_send);   showView = (TextView) findViewById(R.id.test_network_main_tv_show);   msgText = (EditText) findViewById(R.id.test_network_main_et_msg);   connectBtn.setOnClickListener(this);   sendBtn.setOnClickListener(this);   handler = new Handler(){    @Override    public void handleMessage(Message msg) {     super.handleMessage(msg);     String data = msg.getData().getString("msg");     showView.setText("来自服务器的消息:"+data);    }   };  }  @Override  public void onClick(View v) {   //连接服务器   if(v == connectBtn){    connectServer();   }   //发送消息   if(v == sendBtn){    String msg = msgText.getText().toString();    send(msg);   }  }        /**   *连接服务器的方法   */  public void connectServer(){   try {    socket = new Socket("192.168.1.100",4000);    System.out.println("连接服务器成功");    recevie();   } catch (Exception e) {    System.out.println("连接服务器失败"+e);    e.printStackTrace();   }  }        /**   *发送消息的方法   */  public void send(String msg){   try {    PrintStream ps = new PrintStream(socket.getOutputStream());    ps.println(msg);    ps.flush();   } catch (IOException e) {    e.printStackTrace();   }  }        /**   *读取服务器传回的方法   */  public void recevie(){   new Thread(){    public void run(){     while(true){      try {       InputStream is = socket.getInputStream();       BufferedReader br = new BufferedReader(new InputStreamReader(is));       String str = br.readLine();       Message message = new Message();       Bundle bundle = new Bundle();       bundle.putString("msg", str);       message.setData(bundle);       handler.sendMessage(message);      } catch (IOException e) {       e.printStackTrace();      }     }    }   }.start();  } }

public class TestURLActivity extends Activity implements OnClickListener {  private Button connectBtn;  private Button urlConnectionBtn;  private Button httpUrlConnectionBtn;  private Button httpClientBtn;  private ImageView showImageView;  private TextView showTextView;  private WebView webView;  @Override  protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.test_url_main);   connectBtn = (Button) findViewById(R.id.test_url_main_btn_connect);   urlConnectionBtn = (Button) findViewById(R.id.test_url_main_btn_urlconnection);   httpUrlConnectionBtn = (Button) findViewById(R.id.test_url_main_btn_httpurlconnection);   httpClientBtn = (Button) findViewById(R.id.test_url_main_btn_httpclient);   showImageView = (ImageView) findViewById(R.id.test_url_main_iv_show);   showTextView = (TextView) findViewById(R.id.test_url_main_tv_show);   webView = (WebView) findViewById(R.id.test_url_main_wv);   connectBtn.setOnClickListener(this);   urlConnectionBtn.setOnClickListener(this);   httpUrlConnectionBtn.setOnClickListener(this);   httpClientBtn.setOnClickListener(this);  }  @Override  public void onClick(View v) {   // 直接使用URL对象进行连接   if (v == connectBtn) {    try {     URL url = new URL("http://192.168.1.100:8080/myweb/image.jpg");     InputStream is = url.openStream();     Bitmap bitmap = BitmapFactory.decodeStream(is);     showImageView.setImageBitmap(bitmap);    } catch (Exception e) {     e.printStackTrace();    }   }   // 直接使用URLConnection对象进行连接     if (v == urlConnectionBtn) {    try {     URL url = new URL("http://192.168.1.100:8080/myweb/hello.jsp");     URLConnection connection = url.openConnection();     InputStream is = connection.getInputStream();     byte[] bs = new byte[1024];     int len = 0;     StringBuffer sb = new StringBuffer();     while ((len = is.read(bs)) != -1) {      String str = new String(bs, 0, len);      sb.append(str);     }     showTextView.setText(sb.toString());    } catch (Exception e) {     e.printStackTrace();    }   }   // 直接使用HttpURLConnection对象进行连接   if (v == httpUrlConnectionBtn) {    try {     URL url = new URL(       "http://192.168.1.100:8080/myweb/hello.jsp?username=abc");     HttpURLConnection connection = (HttpURLConnection) url       .openConnection();     connection.setRequestMethod("GET");     if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {      String message = connection.getResponseMessage();      showTextView.setText(message);     }    } catch (Exception e) {     e.printStackTrace();    }   }   // 使用ApacheHttp客户端进行连接(重要方法)   if (v == httpClientBtn) {    try {     HttpClient client = new DefaultHttpClient();     // 如果是Get提交则创建HttpGet对象，否则创建HttpPost对象     // HttpGet httpGet = new     // HttpGet("http://192.168.1.100:8080/myweb/hello.jsp?username=abc&pwd=321");     // post提交的方式     HttpPost httpPost = new HttpPost(       "http://192.168.1.100:8080/myweb/hello.jsp");     // 如果是Post提交可以将参数封装到集合中传递     List dataList = new ArrayList();     dataList.add(new BasicNameValuePair("username", "aaaaa"));     dataList.add(new BasicNameValuePair("pwd", "123"));     // UrlEncodedFormEntity用于将集合转换为Entity对象     httpPost.setEntity(new UrlEncodedFormEntity(dataList));     // 获取相应消息     HttpResponse httpResponse = client.execute(httpPost);     // 获取消息内容     HttpEntity entity = httpResponse.getEntity();     // 把消息对象直接转换为字符串     String content = EntityUtils.toString(entity);                                 //showTextView.setText(content);     //通过webview来解析网页     webView.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);     //给点url来进行解析     //webView.loadUrl(url);    } catch (ClientProtocolException e) {     e.printStackTrace();    } catch (IOException e) {     e.printStackTrace();    }   }  } }

public class LoginActivity extends Activity implements OnClickListener{  private Button loginBtn;  private static final String SERVICE_URL = "http://192.168.1.100:8080/loginservice/LoginServicePort";  private static final String NAMESPACE = "http://service.lovo.com/";  @Override  protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.login_main);   loginBtn = (Button) findViewById(R.id.login_main_btn_login);   loginBtn.setOnClickListener(this);  }  @Override  public void onClick(View v) {   if(v == loginBtn){    //创建WebService的连接对象    HttpTransportSE httpSE = new HttpTransportSE(SERVICE_URL);    //通过SOAP1.1协议对象得到envelop    SoapSerializationEnvelope envelop = new SoapSerializationEnvelope(SoapEnvelope.VER11);    //根据命名空间和方法名来创建SOAP对象    SoapObject soapObject = new SoapObject(NAMESPACE, "validate");    //向调用方法传递参数    soapObject.addProperty("arg0", "abc");    soapObject.addProperty("arg1","123");    //将SoapObject对象设置为SoapSerializationEnvelope对象的传出SOAP消息    envelop.bodyOut = soapObject;    try {     //开始调用远程的方法     httpSE.call(null, envelop);     //得到远程方法返回的SOAP对象     SoapObject resultObj = (SoapObject) envelop.bodyIn;     //根据名为return的键来获取里面的值，这个值就是方法的返回值     String returnStr = resultObj.getProperty("return").toString();     Toast.makeText(this, "返回值："+returnStr, Toast.LENGTH_LONG).show();    } catch (IOException e) {     e.printStackTrace();    } catch (XmlPullParserException e) {     e.printStackTrace();    }   }  } }