BannerAdEventListener (Yandex Mobile Ads)

```
public interface BannerAdEventListener
```
A listener for receiving notifications during the lifecycle of an ad.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onAdClicked()`	Called when user clicked on the ad.
`void`	`onAdFailedToLoad(AdRequestError error)`	Called when an banner ad request failed
`void`	`onAdLoaded()`	Called when an ad is received.
`void`	`onImpression(ImpressionData impressionData)`	Called when an impression was observed
`void`	`onLeftApplication()`	Called when user is about to leave application (e.g., to go to the browser), as a result of clicking on the ad.
`void`	`onReturnedToApplication()`	Called when user returned to application after click.

- Method Detail
  - onAdLoaded
```
void onAdLoaded()
```
    Called when an ad is received.
  - onAdFailedToLoad
```
void onAdFailedToLoad(@NonNull
                      AdRequestError error)
```
    Called when an banner ad request failed
    
    Parameters:
    
    error - see errors here AdRequestError
  - onAdClicked
```
void onAdClicked()
```
    Called when user clicked on the ad.
  - onLeftApplication
```
void onLeftApplication()
```
    Called when user is about to leave application (e.g., to go to the browser), as a result of clicking on the ad.
  - onReturnedToApplication
```
void onReturnedToApplication()
```
    Called when user returned to application after click.
  - onImpression
```
void onImpression(@Nullable
                  ImpressionData impressionData)
```
    Called when an impression was observed
    
    Parameters:
    
    impressionData - - impression level revenue data