FlashBuilder/Spark :: Mobile Project :: Change color of button in view actionbar

FlashBuilder/Spark mobile project view action bar.

Currently if you set the chromeColor of a button in the actionbar it only shows up when on the press state of the button. It does not change the color of the button default state. I could not find any way to style it.


After some digging I found that TransparentActionButtonSkin.as was overriding the drawBrackground function and specifically removing chromeColor and only allowing it to show on a the button down state.

I overrode that "little gem" with my own class.

package view_components
    import mx.core.mx_internal; 
    import spark.skins.mobile.TransparentActionButtonSkin;

    use namespace mx_internal;

    public class ActionbarColoredButton extends TransparentActionButtonSkin
        public function ActionbarColoredButton()

        override protected function drawBackground(unscaledWidth:Number, unscaledHeight:Number):void
            // omit super.drawBackground() to drawRect instead
            // only draw chromeColor in down state (transparent hit zone otherwise)

            //NO, I want colored action buttons
            var chromeColor:uint = getStyle(fillColorStyleName);
            var chromeAlpha:Number = 1;

            graphics.beginFill(chromeColor, chromeAlpha);
            graphics.drawRect(0, 0, unscaledWidth, unscaledHeight);

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