Adding fix size backgorund to area manager

Hello, I want to resize my backgorund image to fit in the domain manager and then used it as the background.

Here is my code

HorizontalFieldManager titleMngr = new HorizontalFieldManager();
LabelField labelLogin = new LabelField("Device Activaiton");Bitmap panelTopBGBitmap = Bitmap.getBitmapResource("_background.png");
Bitmap panelTopBGResBitmap =  GPATools.ResizeTransparentBitmap(panelTopBGBitmap, titleMngr.getPreferredWidth(), titleMngr.getPreferredHeight(),
                Bitmap.FILTER_LANCZOS, Bitmap.SCALE_STRETCH);
Background panelTopBG = BackgroundFactory.createBitmapBackground(panelTopBGResBitmap,0,0,Background.REPEAT_NONE);

titleMngr.setBackground(panelTopBG);
titleMngr.add(labelLogin);
add(titleMngr);

titleMngr.getPreferredHeight () and titleMngr.getPreferredWidth () always return me the value 0.

How can I get the exact size of titleMngr? Please

move titleMngr.add (labelLogin); directly under the labelfield constructor.
Check to see if you still get 0 Manager.

Tags: BlackBerry Developers

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