private String urlWithClickTrackingRedirect(AdView adView, String url) {
String clickthroughUrl = adView.getClickthroughUrl();
if (clickthroughUrl == null) return url;
else {
String encodedUrl = Uri.encode(url);
return clickthroughUrl + "&r=" + encodedUrl;
}
}
public String getClickthroughUrl() {
return (mAdView != null) ? mAdView.getClickthroughUrl() : null;
}