pmu_android/app/src/main/java/com/example/quiz/First2Fragment.java

package com.example.quiz;

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.quiz.databinding.FragmentFirst2Binding;

public class First2Fragment extends Fragment {

    private FragmentFirst2Binding binding;

    @Override
    public View onCreateView(
            @NonNull LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState
    ) {

        binding = FragmentFirst2Binding.inflate(inflater, container, false);
        return binding.getRoot();

    }

    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        binding.buttonFirst.setOnClickListener(v ->
                NavHostFragment.findNavController(First2Fragment.this)
                        .navigate(R.id.action_First2Fragment_to_Second2Fragment)
        );
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        binding = null;
    }

}