extension

<extension xmlns="http://ns.adobe.com/air/extension/3.6">
        <id>net.firepush.adnet.FirePushLib</id>
        <versionNumber>1</versionNumber>
        <platforms>
                <platform name="Android-ARM">
                        <applicationDeployment>
                                <nativeLibrary>FirePush.jar</nativeLibrary>
                                <initializer>net.firepush.adnet.FirePushExtension</initializer>
                                <finalizer>net.firepush.adnet.FirePushExtension</finalizer>
                        </applicationDeployment>
                </platform>
        </platforms>
</extension>

FirePushExtension

package net.firepush.adnet {
        
        import flash.external.ExtensionContext;

        public class FirePushExtension {
                
                private static var context:ExtensionContext;
                
                public static function init():void {
                        if(!context) context = ExtensionContext.createExtensionContext("net.firepush.adnet.FirePushLib", null);
                }
                
                public static function showBanner(developerId:String):void {
                        if (context) context.call("showBanner", developerId);
                }
        }
}