public class RadiogroupAdapter extends ArrayAdapter<Object>{
  
    RadioGroup mRadioGroup;
    TextView re;
    Context context;
    String TAG = "RGA";

      private ArrayList<Object> items;

      public RadiogroupAdapter(Context context, int textViewResourceId, ArrayList<Object> items) {
              super(context, textViewResourceId, items);
              this.context = context;
              this.items = items;
      }
      
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
              View v = convertView;
              ViewHolder holder;

              if (v == null || v.getTag()==null) {
                  LayoutInflater vi = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                  v = vi.inflate(R.layout.list_items, null);
                  holder = new ViewHolder();

              Object o = items.get(position);
              
              if (o != null) {
                  if(o instanceof String){
                      re=((TextView)v.findViewById(R.id.listtv));
                      re.setText((CharSequence) o);
                      re.setPadding(10, 10, 10, 10);
                      holder.re=re;
                  }
                  else if(o instanceof String[]){
                      mRadioGroup = (RadioGroup)v.findViewById(R.id.radiobuttons);
                      mRadioGroup.setPadding(15, 10, 15, 10);
                      createRadioButtons((String[]) o);
                      holder.mRadioGroup=mRadioGroup;
                  }
                  
              }
              v.setTag(holder);
              }
              else{
                  holder = (ViewHolder)v.getTag();
                  if(holder.re==null){
                      mRadioGroup= holder.mRadioGroup;
                      Log.d(TAG, "RG");
                  }
                  else{
                      re=holder.re;
                      Log.d(TAG,"RE");
                  }
              }
              return v;
              
      }
      
      private void createRadioButtons(String[] rating)    {

          LinearLayout.LayoutParams lp = new RadioGroup.LayoutParams(RadioGroup.LayoutParams.WRAP_CONTENT, RadioGroup.LayoutParams.WRAP_CONTENT);
          lp.setMargins(10, 10, 10, 10);
          
                for (int j = rating.length-1; j >= 0; j--) {
                    RadioButton rb = new RadioButton(context);
                    rb.setTextColor(Color.BLACK);
                    rb.setTextSize(25.0f);
                    rb.setText(rating[j]);
                    rb.setOnClickListener(new OnClickListener() {
                        
                        @Override
                        public void onClick(View v) {
                            RadioButton bb = (RadioButton)v;
                            bb.setSelected(true);
                        }
                    });
                    
                    mRadioGroup.addView(rb,0,lp);
                }
      }

import android.widget.RadioGroup;
import android.widget.TextView;

public class ViewHolder {

    RadioGroup mRadioGroup = null;
    TextView re = null; 
}