android/app/src/main/java/com/example/myapplication/GoodsFragment.java

package com.example.myapplication;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

import androidx.fragment.app.Fragment;

import java.util.List;

public class GoodsFragment extends Fragment {

    private static final String[] strs = new String[]{
            "一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二", "十三", "十四", "十五", "十六", "十七", "十八", "十九", "二十", "二十一", "二十二", "二十三"};

    private ListView shoesList;
    private Button shoesButton;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_goods, null);
        return view;
    }

    void init(View view) {
        shoesButton = view.findViewById(R.id.shoes);
        shoesList = view.findViewById(R.id.shoesView);
    }
}