how to place ads below every 5 items in fragments

[tariqb69000]

I want to place admob ads below every 5 items in fragments.
I tried but i did not could. someone is here who help me
`DemoViewHolder
package baleli.urdupoetrybytariq;

import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

/**

• Created by SONU on 31/08/15.
  */
  public abstract class DemoViewHolder extends RecyclerView.ViewHolder {

  public TextView title;
  public Button shareBtn;

  public DemoViewHolder(View view) {
  super(view);

   this.title = (TextView) view.findViewById(R.id.cardTitle);
   this.shareBtn= (Button) view.findViewById(R.id.shareBtn);
  

  }
  }`

`RecyclerView_Adapter
package baleli.urdupoetrybytariq;

import android.content.Context;
import android.content.Intent;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.ArrayList;

/**

• Created by SONU on 10/09/15.
  */
  public class RecyclerView_Adapter extends
  RecyclerView.Adapter {
  private ArrayList arrayList;
  private Context context;

  public RecyclerView_Adapter(Context context,
  ArrayList arrayList) {
  this.context = context;
  this.arrayList = arrayList;

  }

  @OverRide
  public int getItemCount() {
  return (null != arrayList ? arrayList.size() : 0);

  }

  @OverRide
  public void onBindViewHolder(DemoViewHolder holder,
  int position) {

   final DemoViewHolder mainHolder = (DemoViewHolder) holder;
   //Setting text over textview
   mainHolder.title.setText(arrayList.get(position));
  
   //Share Button Here
   mainHolder.shareBtn.setOnClickListener(new View.OnClickListener() {
  
       @Override
       public void onClick(View view) {
  
           Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
           sharingIntent.setType("text/plain");
           String shareBody = mainHolder.title.getText(). toString ();
           sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Subject Here");
           sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody);
           context.startActivity(Intent.createChooser(sharingIntent, "Share Using"));
  
       }
   });
  

  }

  @OverRide
  public DemoViewHolder onCreateViewHolder(
  ViewGroup viewGroup, int viewType) {
  LayoutInflater mInflater = LayoutInflater.from(viewGroup.getContext());

   ViewGroup mainGroup = (ViewGroup) mInflater.inflate(
           R.layout.item_row, viewGroup, false);
  
  
  
   DemoViewHolder mainHolder = new DemoViewHolder(mainGroup) {
       @Override
       public String toString() {
           return super.toString();
       }
   };
  
  
   return mainHolder;
  

  }

}`

Fragments
package baleli.urdupoetrybytariq;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.ArrayList;

/**

• Created by SONU on 16/09/15.
  */
  public class Romantic extends Fragment {
  private View view;

  private String title;//String for tab title

  private static RecyclerView recyclerView;

  public Romantic() {
  }

  public Romantic(String title) {
  this.title = title;//Setting tab title
  }

  @nullable
  @OverRide
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  view = inflater.inflate(R.layout.dummy_fragment, container, false);

   setRecyclerView();
   return view;
  

  }
  //Setting recycler view
  private void setRecyclerView() {

   recyclerView = (RecyclerView) view
           .findViewById(R.id.recyclerView);
   recyclerView.setHasFixedSize(true);
   recyclerView
           .setLayoutManager(new LinearLayoutManager(getActivity()));//Linear Items
  
  
   ArrayList<String> arrayList = new ArrayList<>();
   arrayList.add(" Koi Raat Mere Aashna, Mujhe Yun Bhi To Naseeb Ho\n" +
           " Na Rahe Khayal Libaas Ka, Wo Itna Mere Qareeb Ho\n" +
           " Badan Ki Garm Aanch Se Meri Aarzu Ko Aag De\n" +
           " Mera Josh Behak Uthey, Mera Haal Bhi Ajeeb Ho\n" +
           " Tere Chashni Wajood Ka Sara Ras Mein Chura Loon\n" +
           " Phir Tu Hi Mera Marz Ho, Aur Tu Hi Mera Tabeeb Ho");
   //As like your can insert data to your ArrayList.
   RecyclerView_Adapter adapter = new RecyclerView_Adapter(getActivity(), arrayList);
   recyclerView.setAdapter(adapter);// set adapter on recyclerview
  

  }
  }

`MainActivity
package baleli.urdupoetrybytariq;

import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;

import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.MobileAds;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
private static Toolbar toolbar;
private static ViewPager viewPager;
private static TabLayout tabLayout;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    viewPager = (ViewPager) findViewById(R.id.viewPager);
    setupViewPager(viewPager);

    tabLayout = (TabLayout) findViewById(R.id.tabLayout);
    tabLayout.setupWithViewPager(viewPager);//setting tab over viewpager

    //SHARE BUTTON

    //Implementing tab selected listener over tablayout
    tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {

        @Override
        public void onTabSelected(TabLayout.Tab tab) {
            viewPager.setCurrentItem(tab.getPosition());//setting current selected item over viewpager
            switch (tab.getPosition()) {
                case 0:
                    Log.e("TAG", "TAB1");
                    break;
                case 1:
                    Log.e("TAG", "TAB2");
                    break;
                case 2:
                    Log.e("TAG", "TAB3");
                    break;
                case 3:
                    Log.e("TAG", "TAB4");
                    break;
                case 4:
                    Log.e("TAG", "TAB5");
                    break;
                case 5:
                    Log.e("TAG", "TAB6");
                    break;

            }
        }

        @Override
        public void onTabUnselected(TabLayout.Tab tab) {
        }

        @Override
        public void onTabReselected(TabLayout.Tab tab) {
        }
    });
}


//Setting View Pager
private void setupViewPager(ViewPager viewPager) {
    ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
    adapter.addFrag(new Mohabbat(""), "Mohabbat Shayari");
    adapter.addFrag(new Bewafa(""), "Bewafa Shayari");
    adapter.addFrag(new Dard(""), "Dard-E Dil Shayari");
    adapter.addFrag(new Romantic(""), "Romantic Shayari");
    adapter.addFrag(new Dosti(""), "Dosti Shayari");
    adapter.addFrag(new twolines(""), "2 Lines Shayari");



    viewPager.setAdapter(adapter);
}


//View Pager fragments setting adapter class
class ViewPagerAdapter extends FragmentPagerAdapter {
    private final List<Fragment> mFragmentList = new ArrayList<>();//fragment arraylist
    private final List<String> mFragmentTitleList = new ArrayList<>();//title arraylist

    public ViewPagerAdapter(FragmentManager manager) {
        super(manager);
    }

    @Override
    public Fragment getItem(int position) {
        return mFragmentList.get(position);
    }

    @Override
    public int getCount() {
        return mFragmentList.size();
    }


    //adding fragments and title method
    public void addFrag(Fragment fragment, String title) {
        mFragmentList.add(fragment);
        mFragmentTitleList.add(title);
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return mFragmentTitleList.get(position);
    }


}

}
`