res/values/attrs.xml

<?xml version="1.0" encoding="UTF-8"?>
<resources>
	<declare-styleable name = "SliderPreference">
	 	<attr name="minText" format = "string"/>
		<attr name="maxText" format = "string"/>
	</declare-styleable>
	
	<declare-styleable name = "KeyConfigPreference">
	 	<attr name="leftKey" format = "string"/>
		<attr name="rightKey" format = "string"/>
		<attr name="jumpKey" format = "string"/>
		<attr name="attackKey" format = "string"/>
	</declare-styleable>
</resources>