class AdViewController {

    void loadFailUrl(MoPubErrorCode errorCode) {
        mIsLoading = false;

        Log.v("MoPub", "MoPubErrorCode: " + (errorCode == null ? "" : errorCode.toString()));

        if (mAdConfiguration.getFailUrl() != null) {
            MoPubLog.d("Loading failover url: " + mAdConfiguration.getFailUrl());
            loadNonJavascript(mAdConfiguration.getFailUrl());
        } else {
            // No other URLs to try, so signal a failure.
            adDidFail(MoPubErrorCode.NO_FILL);
        }
    }

    public  AdViewController(Context context, MoPubView view);

}