 import flash.geom.Matrix;
 
 import mx.core.DeviceDensity;
+import mx.core.mx_internal;
 import mx.utils.ColorUtil;
 
+import spark.skins.mobile.ActionBarSkin;
 import spark.skins.mobile.ButtonSkin;
+
+use namespace mx_internal;
 
 /**
  *  Base skin class for ActionBar buttons. Adds flat-look button border and

            {
                // default PPI160
                layoutBorderSize = 1;
                layoutPaddingTop = 7
                layoutPaddingBottom = 7;
                layoutPaddingLeft = 10;
                layoutPaddingRight = 10;
                layoutMeasuredWidth = 55;
                layoutMeasuredHeight = 44;
                
                break;
            }
        }
    }
    
    //--------------------------------------------------------------------------
    //

    
    private static var matrix:Matrix = new Matrix();
    
    //--------------------------------------------------------------------------
    //
    //  Constructor
