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10/28/2009 at 11:22PM PDT, ID: 24853738 | Points: 500
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How to connect through HttpConnection using WiFi for Android?

Asked by retinax in Handheld and PDA Programming

Hi Friends....

I have written my HttpConnection code for Android.I have also set Network preferences. Should I change the code so that it would be able to work for Wifi?or I dont need any change.Does the same code work for Wifi correctly?Here is my code: 
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public static String http_get(String urlParameters)
          {
                    String msg = "",uid = "";
                    int ch;
                  
 
                    url = url + urlParameters ;
   
                    int BUFFER_SIZE = 2000;
                    InputStream in = null;
                    try {
                        in = OpenHttpConnection(url);
                    } catch (IOException e1) {
                        // TODO Auto-generated catch block
                        e1.printStackTrace();
                      
                    }
 
                    try
                    {
                    	 InputStreamReader isr = new InputStreamReader(in);
                         int charRead;
                           String str = "";
                           char[] inputBuffer = new char[BUFFER_SIZE];          
                         try {
                             while ((charRead = isr.read(inputBuffer))>0)
                             {                    
                                 //---convert the chars to a String---
                                 String readString = 
                                     String.copyValueOf(inputBuffer, 0, charRead);                    
                                 str += readString;
                                 inputBuffer = new char[BUFFER_SIZE];
                             }
                             in.close();
                         } catch (IOException e) {
                             // TODO Auto-generated catch block
                             e.printStackTrace();
                            
                         }   
                         Log.i("Server",str);
                              
                              if(str.indexOf("1_")!=-1)
                              {
                            	 
                                    uid = str.substring(2);
                                   
                                    
                              }
                              else 
                              {
                                  
                            	 uid="0";
                                  
                              }
                              
                             
                    }
                    catch (Exception e)
                    {
                              msg = e.toString();
                    }
                    return uid;
          }
 
  public static String postData(String user,String file, String Contents){   
              
              // Create a new HttpClient and Post Header   
              HttpClient httpclient = new DefaultHttpClient();   
              HttpPost httppost = new HttpPost(url+file);   
              String result="";
 
          try {   
               // Add your data   
               List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);
               Log.i("POSTDATA",user);
               nameValuePairs.add(new BasicNameValuePair("sID", user));   
               nameValuePairs.add(new BasicNameValuePair("content", Contents));  
               httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));   
      
               // Execute HTTP Post Request   
               HttpResponse response = httpclient.execute(httppost); 
                
               InputStream is = response.getEntity().getContent(); 
               BufferedInputStream bis = new BufferedInputStream(is); 
               ByteArrayBuffer baf = new ByteArrayBuffer(20); 
 
                int current = 0;   
                while((current = bis.read()) != -1){   
                    baf.append((byte)current);   
                }   
                  Log.d("GETANDPOST",new String(baf.toByteArray()));
                  result=new String(baf.toByteArray());
               /* Convert the Bytes read to a String. */   
          //     text = new String(baf.toByteArray()); 
             //  tv.setText(text); 
      
          } catch (ClientProtocolException e) {   
               // TODO Auto-generated catch block   
          } catch (IOException e) {   
               // TODO Auto-generated catch block   
          } 
          return result;
     } 
 
public String SetPreference() { 
        ConnectivityManager 
connMgr=(ConnectivityManager)getSystemService(this.CONNECTIVITY_SERVICE); 
        NetworkInfo info=connMgr.getActiveNetworkInfo(); 
        connMgr.setNetworkPreference(ConnectivityManager.TYPE_WIFI);
                   return (connMgr.getActiveNetworkInfo().getTypeName());
 
 
      
 
 
}
 
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