/*
         * this hack assumes people change build.prop for increasing
         * the virtual size of their screen by decreasing dpi in
         * build.prop file. this is often done especially for hd
         * phones. keep in mind changing build.prop and density
         * isnt officially supported, but this should do for most cases
         */
        if(densityDpi < 240 && densityDpi >160)
            mDensityScaleFactor=(float)(240.0 / densityDpi);
        if(densityDpi < 160 && densityDpi >120)
            mDensityScaleFactor=(float)(160.0 / densityDpi);
        // support for 1024x800 resoltion tablets with default density of 160 (i.e. folio)
        if(densityDpi == 160 && r.getDisplayMetrics().widthPixels == 800)
            mDensityScaleFactor=(float)1.9;