android-calculatorpp/res/values/attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
	<declare-styleable name="DragButton">
		<attr name="textUp" format="string"/>
		<attr name="textDown" format="string"/>
		<attr name="directionTextScale" format="float"/>
		<attr name="hTextPosition" format="float"/>
	</declare-styleable>

	<declare-styleable name="NumberRangeSeekBar">
		<attr name="boundaries" format="string"/>
		<attr name="steps" format="integer"/>
	</declare-styleable>

	<attr name="digitButtonStyle" format="reference" />
	<attr name="controlButtonStyle" format="reference" />
	<attr name="controlImageButtonStyle" format="reference" />

</resources>