Video ads-help please

Processing for Android
1

I get no error but video ad doesn’t show up.

import android.os.Looper;//for setup() if needed
import android.os.Bundle;
import android.view.Window;
import android.widget.RelativeLayout;
import android.app.Activity;
//import com.google.ads.*;//
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.AdSize;
import com.google.android.gms.ads.MobileAds;

 private RewardedVideoAd mRewardedVideoAd;
   private RewardedVideoAdListener r;
         public void setup(){

    size(800, 1000);
   }

  public void draw(){
     background(100);
     rect(100,100,100,100);
  }

 
  ```
  @ Override
  public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
      Window window = getActivity().getWindow();
   RelativeLayout adsLayout = new RelativeLayout(this.getActivity());
   RelativeLayout.LayoutParams lp2 = new RelativeLayout.LayoutParams(
      RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.MATCH_PARENT);

     MobileAds.initialize(this.getActivity(), "ca-  app-pub-3940256099942544~3347511713");


     mRewardedVideoAd=  
               MobileAds.getRewardedVideoAdInstance 
   (this.getActivity());


     mRewardedVideoAd. 
      setRewardedVideoAdListener (r)
  loadRewardedVideoAd();  
 window.addContentView(adsLayout,lp2);  
  }
 ``` 

   private void loadRewardedVideoAd() {
    mRewardedVideoAd.loadAd("ca-app-pub- 
    3940256099942544/5224354917",
            new AdRequest.Builder().build());
}

  


public void onRewardedVideoAdFailedToLoad(int errorCode) {
    loadRewardedVideoAd();
}


public void onRewardedVideoAdLoaded() {

    if (mRewardedVideoAd.isLoaded())
    {
      print("uck"); 
      mRewardedVideoAd.show();
    }
}