createBanner abstract method
Creates a banner type ad widget. Banner is a fixed size static ad. First, we cache the ad, load it, and when it loads, we display it.
configurationId
Id used to fetch the unit configuration.
lifecycleCallbacks
is option see the BannerEventListener to know when the callbacks are called.
Implementation
Widget createBanner({
required String configurationId,
BannerEventListener? lifecycleCallbacks,
});