show method
Loads and shows banner ad
Implementation
Future<void> show(
{BannerAlignment alignment = BannerAlignment.bottom}) async {
await FairBidInternal._channel
.invokeMethod('showAlignedBanner', <String, String>{
'placement': this.placementId,
'alignment': alignment == BannerAlignment.top ? 'top' : 'bottom',
});
}