public class NewTest extends FragmentActivity implements new_test_layout.DearListener { 
   
      android.support.v4.app.FragmentManager manager; 
      new_answer_layout new_answer_layout_object; 
  //bu new_answer_layout'da 2. fragment, onun kodunu da koyabilirim istenirse 
      new_test_layout new_test_layout_object; 
   
   
      @Override 
      protected void onCreate(Bundle savedInstanceState) { 
          super.onCreate(savedInstanceState); 
          setContentView(R.layout.fragment_holder); 
      } 
   
      @Override 
  // Bu implement edilen class 
      public void getMyText(String theQuestion) { 
  //bu new_answer_layout'da 2. fragment, onun kodunu da koyabilirim istenirse 
          new_answer_layout_object = new new_answer_layout(); 
          new_answer_layout_object.showQuestion(theQuestion); 
          FragmentTransaction transaction = manager.beginTransaction(); 
          transaction.replace(R.id.the_frame_layout, new_answer_layout_object ); 
          transaction.addToBackStack(null); 
      } 
   
  } 
  

 
  package ***** 
   
  import android.app.Activity; 
  import android.os.Bundle; 
  import android.support.annotation.Nullable; 
  import android.support.v4.app.Fragment; 
  import android.view.LayoutInflater; 
  import android.view.View; 
  import android.view.ViewGroup; 
  import android.widget.TextView; 
   
  public class new_test_layout extends Fragment { 
   
      DearListener activityCommander; 
      TextView custom_question_bar, list_number; 
      String selectedCustomQuestion; 
      boolean buttonClicked; 
   
      @Nullable 
      @Override 
      public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 
          View v = inflater.inflate(R.layout.new_test_layout, container, false); 
          custom_question_bar= (TextView) v.findViewById(R.id.custom_question_bar); 
          list_number= (TextView) v.findViewById(R.id.list_number); 
          return v; 
      } 
   
   
      public interface DearListener { 
          public void getMyText(String theQuestion); 
      } 
   
      @Override 
      public void onAttach(Activity activity) { 
          super.onAttach(activity); 
          try { 
              activityCommander = (DearListener) activity; 
          } catch (ClassCastException e) { 
              throw new ClassCastException(activity.toString()); 
          } 
      } 
   
      public void onClickYiyecek(View v){ 
          activityCommander.getMyText("En sevdiğim yiyecek ne?"); 
      } 
       
      public void onClickQuestionReady(View v){ 
          activityCommander.getMyText(custom_question_bar.getText().toString()); 
      } 
   
  }