custom_rules.xml

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

    <!-- Include external libs -->
    <property name="jar.libs.dir" value="libs" />
    <property name="jar.libs.absolute.dir" location="${jar.libs.dir}" />
    <path id="classpath">
        <fileset dir="${jar.libs.absolute.dir}">
            <include name="**/*.jar"/>
        </fileset>
    </path>

	<property name="dex.file.name" value="classes.dex" />
    <property name="out.dir" value="bin" />
    <property name="out.absolute.dir" location="${out.dir}" />
    <property name="out.absolute.bundle.dir" location="${out.absolute.dir}/bundle" />
    <property name="intermediate.dex.bundle.file" location="${out.absolute.bundle.dir}/${dex.file.name}" />

    <property name="out.bundle.file" value="${out.absolute.dir}/bundle.jar" />

    <target name="-pre-compile">
        <mkdir dir="${out.absolute.bundle.dir}" />
    </target>

    <!-- overwrite the compile target in uibuild.xml to include to external jars -->
    <target name="compile" depends="-build-setup, -pre-compile">
        <javac encoding="${java.encoding}"
                source="${java.source}" target="${java.target}"
                debug="true" extdirs="" includeantruntime="false"
                destdir="${out.classes.absolute.dir}"
                bootclasspathref="project.target.class.path"
                verbose="${verbose}"
                fork="${need.javac.fork}">
            <src path="${source.absolute.dir}" />
            <classpath refid="classpath"/>
            <compilerarg line="${java.compilerargs}" />
        </javac>
    </target>

    <!-- empty default post-dex target. Create a similar target in
         your build.xml and it'll be called instead of this one. -->
    <target name="-post-dex">
        <dex executable="${dx}"
                output="${intermediate.dex.bundle.file}"
                nolocals="@{nolocals}"
                verbose="${verbose}">
	        <fileset dir="${jar.libs.absolute.dir}">
	             <include name="**/*.jar"/>
	        </fileset>
        </dex>
    </target>

    <!-- empty default post-jar target. Create a similar target in
         your build.xml and it'll be called instead of this one. -->
    <target name="-post-jar">
        <jar destfile="${out.bundle.file}">
            <fileset file="${intermediate.dex.bundle.file}" />
        </jar>
    </target>

    <target name="install" description="Install the test package">
         <exec executable="${adb}" failonerror="true">
            <arg line="${adb.device.arg}" />
            <arg value="push" />
            <arg value="${out.file}" />
            <arg value="/data/local/tmp" />
        </exec>
         <exec executable="${adb}" failonerror="true">
            <arg line="${adb.device.arg}" />
            <arg value="push" />
            <arg value="${out.bundle.file}" />
            <arg value="/data/local/tmp" />
        </exec>
    </target>

</project>