View source for Progress Dialog and Threads

 private Handler handlerRefresh = new Handler()
 {
     @Override
     public void handleMessage(Message msg)
     {
          // Code to process the response and update UI.
          Bundle resBundle = (Bundle) msg.obj;
          String question = resBundle.getString(BUNDLE_QUESTION);
     }
 }
    		


...

dialog = ProgressDialog.show(CurrentActivity.this, "","Posting to twitter...", true);
        	new Thread(new Runnable()
        	{
    			public void run()
    			{
    				TwitterPost.Post(getBaseContext(), tweetString);
    				
    				Message myMessage=new Message();
    				Bundle resBundle = new Bundle();
    				resBundle.putString(BUNDLE_USER_ANSWER, tweetString);
    				myMessage.obj=resBundle;
    				handlerTwitterPost.sendMessage(myMessage);
    				dialog.dismiss();
    			}
        	}).start();

...

private ProgressDialog dialog;