Admobs- rewarded video implementation

Processing for Android
1

Could some one please show me a way of implementing video ads?

2

This is my code…please help someone

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®;
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();
    }
}