load
Loads an Banner Ad. Note: Make all calls to the Mobile Ads SDK on the main thread.
To load an banner ad, call BannerAdHandler.load method and pass in an AdUnitId as a String and an AdSize to receive the loaded ad.
Parameters
ad Unit Id
Your Banner Ad AdUnitId String from AdMob
ad Size
Your Banner Ad AdSize, which defaults to AdSize.FULL_BANNER