tsiougkosn

avocarrotCustom = new AvocarrotCustom(this, BuildConfig.AvocarrotApiKey, BuildConfig.PLACEMENT_CUSTOM);
avocarrotCustom.setSandbox(BuildConfig.SANDBOX);
avocarrotCustom.setLogger(true, "ALL");

avocarrotCustom.setListener(new AvocarrotCustomListener() {
    @Override
    public void onAdLoaded(List<CustomModel> ads) {
        super.onAdLoaded(ads);

        if ((ads==null)||(ads.size()==0))

tsiougkosn

AvocarrotInterstitial interstitial = new AvocarrotInterstitial(this, "api key", "Placement key");
interstitial.setSandbox(true);
interstitial.setLogger(true, "ALL");

interstitial.setListener(new AvocarrotInterstitialListener() {

	boolean isClicked = false;

	@Override
	public void onAdDisplayed() {

tsiougkosn

replace

recyclerView.setAdapter( new DanceAdapter(dances) );

with 

AvocarrotInstreamRecyclerView avocarrotInstreamRecyclerView = new AvocarrotInstreamRecyclerView(new DanceAdapter(dances), this, "<appId>", "<placement>");
recyclerView.setAdapter( avocarrotInstreamRecyclerView );

tsiougkosn

public class MainActivity extends Activity {

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);

       RecyclerView recyclerView = new RecyclerView(this);
       setContentView(recyclerView);

       final String[] dances = new String[]{