购物车的工具类

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原创最新推荐文章于 2026-03-10 04:33:09 发布 352 阅读 AI 写同款· GEO 优化 ›

Android贝塞尔曲线的简单应用之——实现仿美团点击商品掉落购物车效果，附demo和工具类 上一篇：Android贝塞尔曲线的简单应用之——实现自定义圆形控件内水波纹自动上升效果Demo 效果：布局这里很简单，一个RecyclerView和一个ImageView,这里稍微注意下，ConstraintLayout等下我们要用到，所以这里加了id。然后是在activity中设置recyclerview的adapter添加一些商品数据，在item的点击监听中调用封装好的工具类：Bezi... 阅读详情

package com.lbp.yuekao.http;

import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.logging.HttpLoggingInterceptor;

/**
 * Created by peng on 2017/11/16.
 */

public class HttpUtils {
    private static volatile HttpUtils httpUtils;
    private final OkHttpClient client;

    private HttpUtils() {
        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
        logging.setLevel(HttpLoggingInterceptor.Level.BODY);
        client = new OkHttpClient.Builder()
                .addInterceptor(logging)
                .build();
    }

    public static HttpUtils getHttpUtils() {
        if (httpUtils == null) {
            synchronized (HttpUtils.class) {
                if (httpUtils == null) {
                    httpUtils = new HttpUtils();
                }
            }
        }
        return httpUtils;
    }

    /**
     * GET请求
     *
     * @param url
     * @param callback
     */
    public void doGet(String url, Callback callback) {
        Request request = new Request.Builder().url(url).build();
        client.newCall(request).enqueue(callback);
    }
}