How to use “Scheduler.get().scheduleDeferred” the right way in GWT?

Here is my Pseudocode in my GWT app.

-Visible the loading Label  -Loading text from properties file (may take long)  -Invisible the loading Label & Visible the main HTMLPanel  

So I want to use Scheduler.get().scheduleDeferred to achive that, here is the code:

loadingLabel.setVisible(true);  Scheduler.get().scheduleDeferred(new ScheduledCommand() {     @Override    public void execute() {     loadingText();    }  }  loadingLabel.setVisible(false);  mainHTMLPanel.setVisible(true);  

But it doesn't work correctly as it did not show the loadingLabel but show the mainHTMLPanel immediately & when i click a textbox inside the mainHTMLPanel since the Gui got frozen cos it is loading text. Then I have to wait for a while to be able to click the textbox inside mainHTMLPanel.

But if i put loadingLabel.setVisible(false); & mainHTMLPanel.setVisible(true); insideexecute() Then it works.

But i am not sure that is the right way to do.

So, is the following code the right way to use Scheduler.get().scheduleDeferred?

    loadingLabel.setVisible(true);      Scheduler.get().scheduleDeferred(new ScheduledCommand() {         @Override        public void execute() {         loadingText();         loadingLabel.setVisible(false);         mainHTMLPanel.setVisible(true);        }      }

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