                 
                 break;
             }
-            case DeviceDensity.PPI_240:
+            case DPIClassification.DPI_240:
             {
                 upIconClass = spark.skins.mobile240.assets.CheckBox_up;
                 upSelectedIconClass = spark.skins.mobile240.assets.CheckBox_up;

import flash.display.DisplayObject;
import flash.display.Graphics;

import mx.core.DeviceDensity;

import spark.skins.mobile.supportClasses.SelectableButtonSkinBase;
import spark.skins.mobile160.assets.CheckBox_down;

        layoutPaddingTop = 0;
        layoutPaddingBottom = 0;
        
        switch (applicationDPI)
        {
            case DPIClassification.DPI_320:
            {
                upIconClass = spark.skins.mobile320.assets.CheckBox_up;
                upSelectedIconClass = spark.skins.mobile320.assets.CheckBox_up;
