build.xml

<?xml version="1.0" encoding="UTF-8"?>

<project>
	
	<property name="down-version" value="0-2-1"/>
	
    <target name="proguard">
    
    	<input addproperty="version">Enter version number</input>
    	<java fork="true" jar="dist/proguard.jar">
			<arg value="@dist/proguard.cfg"/>
			<arg value="-injars"/>
			<arg value="dist/android-query.jar"/>
			<arg value="-outjars"/>			
			<arg value="dist/android-query.${version}.jar"/>
			<arg value="-keepparameternames"/>
		</java>
		
		<copy file="dist/android-query.${version}.jar" tofile="dist/android-query-optimized.jar"/>
		
		<!-- 
		<java fork="true" jar="dist/proguard.jar">
			<arg value="@dist/proguard.cfg"/>
			<arg value="-injars"/>
			<arg value="dist/android-query.jar"/>
			<arg value="-outjars"/>
			<arg value="dist/android-query-optimized.jar"/>
		</java>
		
		 
		<copy file="dist/android-query-optimized.jar" tofile="dist/android-query-optimized.${version}.jar"/>
		-->
    </target>
	

</project>