content: package com.example.astralcloud;
  
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import androidx.annotation.NonNull;
  import androidx.fragment.app.Fragment;
  import androidx.navigation.fragment.NavHostFragment;
  import com.example.astralcloud.databinding.FragmentSecondBinding;
  
  public class SecondFragment extends Fragment {
  
      private FragmentSecondBinding binding;
  
      @Override
      public View onCreateView(
              LayoutInflater inflater, ViewGroup container,
              Bundle savedInstanceState
      ) {
  
          binding = FragmentSecondBinding.inflate(inflater, container, false);
          return binding.getRoot();
  
      }
  
      public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
          super.onViewCreated(view, savedInstanceState);
  
          binding.buttonSecond.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  NavHostFragment.findNavController(SecondFragment.this)
                          .navigate(R.id.action_SecondFragment_to_FirstFragment);
              }
          });
      }
  
      @Override
      public void onDestroyView() {
          super.onDestroyView();
          binding = null;
      }
  
  }