I'm IOCancelledException?

Similar Questions

• Download of BIS-B connection limiting

  Hi all

  Is there anyone come cross on the connection http BIS-B download limitation.

  I remebered I saw this somewhere, but now I can't find it.

  Today, when I tested my application, I get an IOCancelledException via an http BIS-B connection.

  When I reduce the size of file to download, it's OK.

  Thanks in advance.

  We have an internal idea that BIS - B has a maximum request size of ~ 60K.

  Since we have data (sync) that exceed this size, divide us the data into pieces that are awlays<>

  Now, this could be a remnant of the previous levels of release, I'm not positive that it is a limitation published.

  Another question, you will find the same type of limitation of BES - although the size of the query is defined by the administrator of BES. It's one more reason why we have chosen a small packet size to eliminate the problem.

• Download the image via httpConnection very slowly

  I've been wroted a function to get a picture from the internet, the size of the image always in 50x50px, very small, but I have to waste a lot of time for reveiving given, here is my code:

  package code;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import javax.microedition.io.Connector;
  import javax.microedition.io.HttpConnection;
  
  import net.rim.device.api.io.IOCancelledException;
  import net.rim.device.api.io.IOUtilities;
  import net.rim.device.api.ui.UiApplication;
  
  public class HttpUtility
  {
      private static byte[] _imageData;
      private static String _url;
  
      public static byte[] getInternetImage(String url, boolean waiting)
      {
          _url=url;
          _imageData=null;
  
          Runnable run=new Runnable()
          {
              public void run()
              {
                  byte[] data=null;
  
                  try {
                      HttpConnection httpConnection=(HttpConnection) Connector.open(_url+Function.updateConnectionSuffix());
                      InputStream inputStream=httpConnection.openInputStream();
  
                      if(inputStream.available()>0)
                      {
                          data=IOUtilities.streamToBytes(inputStream);
                          inputStream.read(data);
  
                          _imageData=data;
                      }
                  } catch(IOCancelledException e2) {Function.errorDialog(e2.toString());}
                    catch (IOException e) {Function.errorDialog(e.toString());}
              }
          };
  
          if(waiting)
          {
              UiApplication.getUiApplication().invokeAndWait(run);
          } else {
              UiApplication.getUiApplication().invokeLater(run);
          }
  
          return _imageData;
      }
  }
  

  The updateConnectionSuffix() to determine the network environment and choose a better way for httpConnection.

  Is there a problem in my code? I have no idea

  invokelater executes on the thread of the event, and not on a separate thread.
  currently you block your UI until data is available.

  See
  http://supportforums.BlackBerry.com/T5/Java-development/what-is-the-event-thread/Ta-p/446865

  Take a look at the httpdemo to see how you could do it better.