DetailCategoryFragment

package com.dicoding.myflexiblefragment;


import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;


public class DetailCategoryFragment extends Fragment implements View.OnClickListener {

    private TextView tvCategoryName;
    private TextView tvCategoryDescription;
    private Button btnProfile;
    private Button btnShowDialog;

    public static final String EXTRA_NAME = "extra_name";
    private static final String EXTRA_DESCRIPTION = "extra_description";
    private String description;

    public DetailCategoryFragment() {
        // Required empty public constructor
    }

    private String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

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

    @Override
        public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        tvCategoryName = view.findViewById(R.id.tv_category_name);
        tvCategoryDescription = view.findViewById(R.id.tv_category_description);
        btnProfile = view.findViewById(R.id.btn_profile);
        btnProfile.setOnClickListener(this);
        btnShowDialog = view.findViewById(R.id.btn_show_dialog);
        btnShowDialog.setOnClickListener(this);
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        if (savedInstanceState != null) {
            String descFromBundle = savedInstanceState.getString(EXTRA_DESCRIPTION);
            setDescription(descFromBundle);
        }

        if (getArguments() != null) {
            String categoryName = getArguments().getString(EXTRA_NAME);
            tvCategoryName.setText(categoryName);
            tvCategoryDescription.setText(getDescription());

        }
    }

    /*
    Gunakan method ini jika kita ingin menjaga data agar tetap aman ketika terjadi config changes (portrait - landscape)
     */
    @Override
    public void onSaveInstanceState(@NonNull Bundle outState) {
        super.onSaveInstanceState(outState);

        outState.putString(EXTRA_DESCRIPTION, getDescription());
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_profile:
                Intent mIntent = new Intent(getActivity(), ProfileActivity.class);
                startActivity(mIntent);
                break;

            case R.id.btn_show_dialog:
                OptionDialogFragment mOptionDialogFragment = new OptionDialogFragment();

                FragmentManager mFragmentManager = getChildFragmentManager();
                mOptionDialogFragment.show(mFragmentManager, OptionDialogFragment.class.getSimpleName());
                break;
        }
    }

    /*
    Kode yang akan dijalankan ketika option dialog dipilih ok
     */
    public final OptionDialogFragment.OnOptionDialogListener optionDialogListener = new OptionDialogFragment.OnOptionDialogListener() {
        @Override
        public void onOptionChosen(String text) {
            Toast.makeText(getActivity(), text, Toast.LENGTH_SHORT).show();
        }
    };
}