dependencies {
    compile 'com.github.florent37:adsmanager:1.0.3'
}

final AdsManager adsManager = new AdsManager(this, R.string.admob_app, BuildConfig.DEBUG);
adsManager.showAdsOnDebug(true);
adsManager.setAdInvisibilityOnDebug(View.INVISIBLE);

adsManager.insertAdView(this, adContainer, R.string.admob_footer, AdSize.BANNER);

adsManager.loadAndShowInterstitial(R.string.admob_interstitial_install)
                .subscribe(new Consumer<Boolean>() {
                    @Override
                    public void accept(Boolean aBoolean) throws Exception {
                        //closed
                    }
                }, new Consumer<Throwable>() {
                    @Override
                    public void accept(Throwable throwable) throws Exception {
                        //error
                    }
                });