An example ant script used for developing Adobe AIR applications for Android

Air to Android Ant tasks

<?xml version="1.0"?>
<project name="Notes" default="debug-phone">
	<property file="build.properties"/>
	<property name="deploy.dir" value="deploy"/>
	<property name="src.dir" value="src"/>
	<property name="assets.dir" value="assets"/>
	<property name="flex.mxmlc" value="${flex.sdk}/bin/mxmlc"/>
	<property name="flex.compc" value="${flex.sdk}/bin/compc"/>
	<property name="air.amxmlc" value="${flex.sdk}/bin/amxmlc"/>
	<property name="air.adl" value="${flex.sdk}/bin/amxmlc"/>
	<property name="air.adt" value="${flex.sdk}/bin/adt"/>
	<property name="app.name" value="Notes"/>
	<property name="app.descriptor" value="Notes-app.xml"/>
	<property name="app.id" value="com.developsigner.Notes"/>
	<property name="app.version" value="Pre Alpha 1"/>
	<property name="project.root" value="."/>
	<property name="air.name" value="Notes.apk"/>
	<property name="air.assets" value="assets"/>
	<property name="air.storetype" value="PKCS12"/>
	<property name="air.keystore" value="CodeCert.pfx"/>
	<property name="air.platform" value="android"/>
	<property name="android.adb" value="${android.sdk}tools/adb"/>
	<!-- Prepare Project -->
	<target name="prep" description="Runs the initial steps **WARNING** This must be done once defore any other targets" depends="clean,create_certificate"/>
	<!-- Copy Assets -->
	<target name="copy" description="Copies dependencies">
		<!-- Copy air description file -->
		<copy file="${src.dir}/${app.descriptor}" tofile="${deploy.dir}/${app.descriptor}"/>
		<!-- Copy Certificate file -->
		<copy file="${project.root}/${air.keystore}" tofile="${deploy.dir}/${air.keystore}"/>
		<!-- Copy over the Flash assets swc -->
		<copy file="${assets.dir}/flash/NotesAssets.swc" tofile="lib/NotesAssets.swc" overwrite="true"/>
	</target>
	<!-- Compile -->
	<target name="build" description="Compiles the project SWF">
		<exec executable="${air.amxmlc}" failonerror="true">
			<arg line="${src.dir}/Notes.as"/>
			<arg line="-output ${deploy.dir}/Notes.swf"/>
		</exec>
	</target>
	<!-- Debug -->
	<target name="debug" description="Runs all the steps to create a debug apk" depends="clean,copy,build,package-debug"/>
	<!-- Debug in ADL -->
	<target name="debug-adl" description="Runs all the steps needed to debug in ADL" depends="clean,copy,build,package-debug,launch-adl"/>
	<!-- Debug on Phone -->
	<target name="debug-phone" description="Launches the debug apk on a usb connected phone" depends="clean,copy,build,package-debug,uninstall,install,launch"/>
	<!-- Package Debug -->
	<target name="package-debug" description="Packages the current project with debugging enabled as a debug-apk">
		<exec executable="${air.adt}" failonerror="true">
			<!-- To package debug apk -->
			<arg line="-package"/>
			<arg line="-target apk-debug"/>
			<arg line="-storetype ${air.storetype}"/>
			<arg line="-keystore ${deploy.dir}/${air.keystore}"/>
			<arg line="-storepass ${air.storepass}"/>
			<arg line="${air.name}"/>
			<arg line="${deploy.dir}/${app.descriptor}"/>
			<!-- <arg line="${android.sdk}"/> -->
			<arg line="${deploy.dir}/${app.name}.swf"/>
			<arg line="-C ${deploy.dir} ${app.name}.swf" />
			<!-- <arg line="-C ${deploy.dir} ${air.assets}" /> -->
		</exec> 
	</target>
	<!-- Launch ADL -->
	<target name="launch-adl" description="Launches app in ADL">
		<exec executable="${air.adl}" failonerror="true">
			<arg line="-profile mobileDevice"/>
			<arg line="-screensize NexusOne"/>
			<arg line="${deploy.dir}/${app.descriptor}"/>
		</exec>
	</target>
	<!-- Release -->
	<target name="release" description="Runs the targets needed for a release build" depends="clean,copy,build,package-release" />
	<target name="deploy-release" description="Installs the release build on a usb connected phone" depends="clean,copy,build,package-release,uninstall,install,launch" />
	<!-- Package -->
	<target name="package-release" description="Packages up you Air application for release as an apk">
		<exec executable="${air.adt}" failonerror="true">
			<arg line="-package"/>
			<arg line="-target apk"/>
			<arg line="-storetype ${air.storetype}"/>
			<arg line="-keystore ${deploy.dir}/${air.keystore}"/>
			<arg line="-storepass ${air.storepass}"/>
			<arg line="${air.name}"/>
			<arg line="${deploy.dir}/${app.descriptor}"/>
			<arg line="${android.sdk}"/>
			<arg line="${deploy.dir}/${app.name}.swf"/>
			<arg line="-C ${deploy.dir} ${app.name}.swf" />
			<!-- <arg line="-C ${deploy.dir} ${air.assets}" /> -->
		</exec>
	</target>
	<!-- Phone Launcher -->
	<target name="phone" description="Launches the current apk on a usb connected phone" depends="uninstall,install,launch"/>
	<!-- Install on device -->
	<target name="install" description="Installs the last created .apk file on your attached device">
		<exec executable="${android.adb}">
			<arg line="-d install"/>
			<arg line="-r ${air.name}"/>
		</exec>
	</target>
	<!-- Uninstall from device -->
	<target name="uninstall" description="Uninstalls the application from the device">
		<exec executable="${air.adt}">
			<arg line="-uninstallApp"/>
			<arg line="-platform ${air.platform}"/>
			<arg line="-platformsdk ${android.sdk}"/>
			<arg line="-appid ${app.id}"/>
		</exec>
	</target>
	<!-- Launch on device -->
	<target name="launch" description="Launches the app on your device">
		<exec executable="${air.adt}">
			<arg line="-launchApp"/>
			<arg line="-platform ${air.platform}"/>
			<arg line="-platformsdk ${android.sdk}"/>
			<arg line="-appid ${app.id}"/>
		</exec>
	</target>
	<!-- Create Cert -->
	<target name="create_certificate" description="Creates a pk12 certificte">
		<exec executable="${air.adt}" failonerror="true">
			<arg line="-certificate"/>
			<arg line="-cn self_signed"/>
			<arg line="2048-RSA"/>
			<arg line="${project.root}/CodeCert.pfx"/>
			<arg line="${air.storepass}"/>
		</exec>
	</target>
	<!-- Clean -->
	<target name="clean" description="Removes previous build artifacts">
		<delete dir="${deploy.dir}"/>
		<mkdir dir="${deploy.dir}"/>
	</target>
	<!-- Run Tests -->
	<target name="run-tests" description="Does all the steps needed to run tests in a flash player" depends="clean,test,open-tests"/>
	<!-- Test -->
	<target name="test" description="Runs the current project tests in the test runner application">
		<exec executable="${flex.mxmlc}" failonerror="true">
			<arg line="${src.dir}/NotesTestRunner.as"/>
			<arg line="-output ${deploy.dir}/NotesTestRunner.swf"/>
		</exec>
	</target>
	<target name="open-tests" description="Opens the test runner SWF">
		<exec executable="Open" failonerror="true">
			<arg line="${deploy.dir}/NotesTestRunner.swf"/>
		</exec>
	</target>
</project>

Air to Android Ant tasks build properties example

flex.sdk=/Path/to/your/Flex/sdk
android.sdk=/Path/to/your/Android/sdk
air.storepass=P4$$W0rd

This will require a custom build.properties file to specify all of the user specific properties

Thanks @clintmodien for the ant hookup I am not going to use that Java env.Stupid syntax though.

Thanks - VERY useful
Using Windows 7 I had to change the adt info to: