child_guard/app/src/main/java/com/example/childguard/SettingFragment.java

package com.example.childguard;

import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
 * A simple {@link Fragment} subclass.
 * Use the {@link SettingFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class SettingFragment extends Fragment {
    public SettingFragment() {
        // Required empty public constructor
    }

    public static SettingFragment newInstance() {
        SettingFragment fragment = new SettingFragment();
        Bundle args = new Bundle();
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_setting, container, false);
    }

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

        view.findViewById(R.id.button_bluetooth_setting).setOnClickListener( v -> {
            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, bluetooth_setupFragment.newInstance("test", "test")).commit();
        });

    }
}