123/main/java/com/example/orangesale_04/fragment/SetDetailFragment.java

package com.example.orangesale_04.fragment;

import android.annotation.SuppressLint;
import android.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.example.orangesale_04.R;
import com.example.orangesale_04.activity.CategoryActivity;
import com.example.orangesale_04.entity.Product;

import java.util.Objects;

public class SetDetailFragment extends Fragment {
    private View view;
    private ImageView imageView,priceView;
    private TextView nameText, priceText,contentText,CostText;



    @SuppressLint("SetTextI18n")
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.categoty_detail_content, container, false);
        if (view != null) {
            init();
        }
        CategoryActivity categoryActivity = (CategoryActivity) getActivity();
        categoryActivity.setOnChangeListener(new CategoryActivity.OnChangeListener() {
            @Override
            public void changeText(Product product) {
                imageView.setBackgroundResource(product.getImageUrlId());
                nameText.setText(product.getProductName());
                priceText.setText(product.getProductPrice().toString());

                priceView.setBackgroundResource(product.getPriceUrlIdUrlId());
                contentText.setText(product.getProductContent().toString());
                CostText.setText(product.getProductCost());



            }
        });
   /*     Objects.requireNonNull(categoryActivity).setOnChangeListener(product -> {
            Log.i("sss", "onCreateView: " + product.getProductName());
            imageView.setBackgroundResource(product.getImageUrlId());
            nameText.setText(product.getProductName());
            priceText.setText(product.getProductPrice().toString());
        });

    */
        return view;
    }

    /**
     * 内容组件初始化
     */
    private void init() {
        imageView = view.findViewById(R.id.category_product_image);
        nameText = view.findViewById(R.id.category_product_name);
        priceText = view.findViewById(R.id.category_product_price);

       priceView = view.findViewById(R.id.category_product_priceImage);
        contentText = view.findViewById(R.id.category_product_content);
       CostText = view.findViewById(R.id.category_product_cost);
    }

}