I can't change the background color of my Manager

Hello

It's my screen simple 3-managers:

    public final class mainScreen extends MainScreen {        HorizontalFieldManager _fieldManagerFirst;        HorizontalFieldManager _fieldManagerSecond;        VerticalFieldManager _fieldManagerThird;        BitmapField _bitmap;        Bitmap _zLogo;

        public mainScreen() {            super();

            /*             * Build the layout (1st, 2nd and 3rd managers)             */            _fieldManagerFirst = new HorizontalFieldManager();            _fieldManagerSecond = new HorizontalFieldManager();            _fieldManagerThird = new VerticalFieldManager();            add(_fieldManagerFirst);            add(_fieldManagerSecond);            add(new SeparatorField());            add(_fieldManagerThird);

            /*             * We fill the firstmanager             */            _zLogo = Bitmap.getBitmapResource("banner.jpg");            _bitmap = new BitmapField(_zLogo);            _fieldManagerFirst.add(_bitmap);

            /*             * We fill the second manager             */            ColorButtonField DabButton = new ColorButtonField("DAB");            _fieldManagerSecond.add(DabButton);

            /*             * We fill the third manager             */            ColorButtonField BourseButton = new ColorButtonField("Bourse");            _fieldManagerThird.add(BourseButton);

        }

        public boolean onClose() {            Dialog.alert("Goodbye!");            System.exit(0);            return true;        }

    }

I don't have any success to set my _fieldManagerThird to the dark background, of this, I tried both methods without success:

...
        public mainScreen() {
            super();

            /*
             * Build the layout (1st, 2nd and 3rd managers)
             */
            _fieldManagerFirst = new HorizontalFieldManager();
            _fieldManagerSecond = new HorizontalFieldManager();
            _fieldManagerThird = new VerticalFieldManager(){
                public void paint(Graphics graphics) {
                    graphics.setBackgroundColor(Color.BLACK);
                    graphics.clear();
                    super.paint(graphics);
                }
            };
            add(_fieldManagerFirst);
            add(_fieldManagerSecond);
            add(new SeparatorField());
            add(_fieldManagerThird);
...

and this:

...
        public mainScreen() {
            super();

            /*
             * Build the layout (1st, 2nd and 3rd managers)
             */
            _fieldManagerFirst = new HorizontalFieldManager();
            _fieldManagerSecond = new HorizontalFieldManager();
            _fieldManagerThird = new VerticalFieldManager();
            Background bg = BackgroundFactory.createSolidBackground(Color.BLACK);
            _fieldManagerThird.setBackground(bg );
            add(_fieldManagerFirst);
            add(_fieldManagerSecond);
            add(new SeparatorField());
            add(_fieldManagerThird);
...

My 3 Directors stay white, can anyone help out me? THX!

I hope you tried USE_ALL_WIDTH, not USE_ALL_WEIGHT

With regard to adding objects to your manager - I thought you added some ColorButton (seems to be a custom in your code class), haven't you?  In any case, managers are just empty shells that exist to manage the other fields, so make sure you add fields to your managers.

Anyway, even without their USE_ALL_HEIGHT. USE_ALL_WIDTH should be enough to show the black area under your other two directors.

There is another approach: tell us exactly what you are trying to reach (not black box somewhere - the entire screen and some ideas about his behavior) and we propose ways to resolve this.

Tags: BlackBerry Developers

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