RxAds

sample1.java

Disposable disposable = new RxAdLoader(context, "ad_unit_id")
                .withNativeAdOptions(new NativeAdOptions.Builder().build())
                .loadNativeContentAd(new AdRequest.Builder().build())
                .subscribe(new Consumer<NativeContentAd>() {
                    @Override
                    public void accept(NativeContentAd nativeContentAd) throws Exception {

                    }
                }, new Consumer<Throwable>() {
                    @Override
                    public void accept(Throwable throwable) throws Exception {
                        
                    }
                });