GamePlay/template/android/build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="TEMPLATE_PROJECT" default="help">

    <property file="local.properties" />
    <property file="ant.properties" />
    
    <loadproperties srcFile="project.properties" />

    <fail message="sdk.dir is missing. Make sure to generate local.properties using 'android update project -t 1 -p . -s'" unless="sdk.dir"/>
	<fail message="OS not supported. Supported platforms: Windows, MacOS X or Linux.">
	    <condition>
	      <not>
	        <or>
	          <os family="unix"/>
	          <os family="windows"/>
	        </or>
	      </not>
	    </condition>
	</fail>

	<macrodef name="build-native">
		<attribute name="location"/>
	     <sequential>
            <exec osfamily="unix" dir="@{location}/android" executable="ndk-build">
                <arg value="-j4"/>
            </exec>
			<exec osfamily="windows" dir="@{location}/android" executable="cmd">
				<arg value="/c"/>
				<arg value="ndk-build -j4"/>
			</exec> 
	    </sequential>
	</macrodef>

    <target name="-pre-build">
        <build-native location="../GAMEPLAY_PATH/gameplay"/>
    	<build-native location=".."/>
        <mkdir dir="../src/org/gameplay3d"/>
	    <copy todir="../src/org/gameplay3d">
            <fileset dir="../GAMEPLAY_PATH/gameplay/src/org/gameplay3d"/>
	    </copy>
    </target>

    <target name="-post-compile">
        <copy todir="assets/res">
            <fileset dir="../res" />
        </copy>
        <copy todir="assets/res/shaders">
            <fileset dir="../GAMEPLAY_PATH/gameplay/res/shaders" />
       </copy>
        <copy todir="assets/res/ui">
            <fileset dir="../GAMEPLAY_PATH/gameplay/res/ui" />
       </copy>
    </target>

    <!-- version-tag: 1 -->
    <import file="${sdk.dir}/tools/ant/build.xml" />

</project>