admobadapter/src/main/java/com/clockbyte/admobadapter/AdmobFetcherBase.java
protected void onAdsCountChanged() {
        final Context context = mContext.get();
        //context may be null if activity is destroyed
        if(context != null) {
            new Handler(context.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    for (AdmobListener listener : mAdNativeListeners)
                        listener.onAdsCountChanged();
                }
            });
        }
    }
protected void onAdsCountChanged() {
        final Context context = mContext.get();
        //context may be null if activity is destroyed
        if(context != null) {
            new Handler(context.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    for (AdmobListener listener : mAdNativeListeners)
                        listener.onAdsCountChanged();
                }
            });
        }
    }
Notifies all registered {@link AdmobListener} on a change of ad count.