Alpha value for the bottom of a list


Hmm, I don't have a problem with this technique.

ListSkin:

    public class ListSkin extends UISkin
    {
        private var selectedSkin:Sprite;
        private var upSkin:Sprite;
        private var upOddSkin:Sprite;
        private var downSkin:Sprite;

        public function ListSkin()
        {
            super();
        }

        override protected function initializeStates():void
        {
            upSkin = new Sprite();
            upSkin.graphics.beginFill(0xFF0000, 0.15);
            upSkin.graphics.drawRect(0, 0, 200, 200);
            upSkin.graphics.endFill();

            upOddSkin = new Sprite();
            upOddSkin.graphics.beginFill(0xFF0000, 0.35);
            upOddSkin.graphics.drawRect(0, 0, 200, 200);
            upOddSkin.graphics.endFill();

            downSkin = new Sprite();
            downSkin.graphics.beginFill(0xFF0000, 0.50);
            downSkin.graphics.drawRect(0, 0, 200, 200);
            downSkin.graphics.endFill();

            selectedSkin = new Sprite();
            selectedSkin.graphics.beginFill(0xFF0000, 0.75);
            selectedSkin.graphics.drawRect(0, 0, 200, 200);
            selectedSkin.graphics.endFill();

            this.setSkinState(SkinStates.UP_ODD, upOddSkin);
            this.setSkinState(SkinStates.UP, upSkin);
            this.setSkinState(SkinStates.DOWN, downSkin);
            this.setSkinState(SkinStates.SELECTED, selectedSkin);
            this.setSkinState(SkinStates.FOCUS, upSkin);
        }
    }

Excerpt from the CellRenderer class:

public class ListCellRenderer extends CellRenderer {

        override protected function init() : void
        {
            super.init();
            ///more code here, adding fields, images and etc.
            setSkin(ListSkin);

        }

}

And with this code I have transparent background in the list. It was weird, because I need to adjust the skin not on the list, rather on the cell display. I use above rendered as a skin on the list and it works perfect.

Tags: BlackBerry Developers

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