attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
     <declare-styleable name="ChartAttrs">
         
        <attr name="chart_axisThickness" format="dimension"/>
        <attr name="chart_axisColor" format="reference|color"/>
        <attr name="chart_axisBorderSpacing" format="dimension"/>
        <attr name="chart_axisTopSpacing" format="dimension"/>
        
        <attr name="chart_labels" format="boolean"/>
        <attr name="chart_labelColor" format = "reference|color"/>
        <attr name="chart_fontSize" format = "dimension"/>
        <attr name="chart_typeface" format="string"/>
        
        <attr name="chart_shadowColor" format="reference|color"/>
        <attr name="chart_shadowDx" format = "dimension"/>
        <attr name="chart_shadowDy" format = "dimension"/>
        <attr name="chart_shadowRadius" format = "dimension"/>
        
     </declare-styleable>  
	
     <declare-styleable name="BarChartAttrs">
         <attr name="chart_barSpacing" format="dimension"/>
         <attr name="chart_setSpacing" format="dimension"/>
	</declare-styleable>  
</resources>