I have a problem regarding the AdColony Banner Ad Integration in my Android Studio code. Please help me resolve this. I am total new to coding and made a unit converter app (kg to pounds) in android studio by watching internet tutorial.
E:\Kaushal\kgconvertor\app\src\main\java\com\sevenapps\kgconvertor\MainActivity.java:59: error: cannot find symbol
AdColony.requestAdView(BANNER_ZONE_ID, listener, AdColonyAdSize.BANNER, adOptions);
^
symbol: variable adOptions