build.xml

<property name="FLEX_HOME" value="C:/Program Files (x86)/FlexSDK/4.11.0/"/>
<!-- Write your Flex SDK path-->
<property name="android.lib" value="C:/Program Files (x86)/Android SDK/sdk/platforms/android-18/android.jar" />
<!-- Write your android.jar path-->
<property name="java_rt.lib" value="C:/Program Files (x86)/Java/jdk1.6.0_45/jre/lib/rt.jar" />
<!-- Write your JDK 1.6 rt.jar path-->
<property name="fre.lib" value="${FLEX_HOME}/lib/android/FlashRuntimeExtensions.jar" />
<property name="java.classes" value="source_java/src/" />
<property name="as.classes" value="source_as3/" />
<property name="extension.id" value="com.illuzor.extensions.NotificationExtension" />

<taskdef resource="flexTasks.tasks" classpath="${FLEX_HOME}/ant/lib/flexTasks.jar" />