Android 仿京东商品分类(简单实现仅供参考)

最新推荐文章于 2022-08-11 16:50:10 发布

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最新推荐文章于 2022-08-11 16:50:10 发布 · 4.8k 阅读

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//导入依赖

implementation 'com.android.support:recyclerview-v7:28.0.0'

//首先在activity页面添加两个水平的RecyclerView

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    tools:context=".MainActivity">
    <android.support.v7.widget.RecyclerView
        android:layout_width="100dp"
        android:layout_height="match_parent"
        android:id="@+id/recyr_left"/>
    <android.support.v7.widget.RecyclerView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/recy_right"/>

</LinearLayout>

//在MainActivity页面进行访问接口以及创建适配器的基本操作

package soexample.umeng.com.fenlei01;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import com.google.gson.Gson;

import java.util.ArrayList;
import java.util.List;

import soexample.umeng.com.fenlei01.adapter.MyLeftAdapter;
import soexample.umeng.com.fenlei01.adapter.MyRightAdapter;
import soexample.umeng.com.fenlei01.bean.ShopLeftBean;
import soexample.umeng.com.fenlei01.bean.ShopRightBean;
import soexample.umeng.com.fenlei01.utils.OkHttpHelper;

public class MainActivity extends AppCompatActivity {

    private RecyclerView recy_left;
    private RecyclerView recy_right;
    private List<ShopLeftBean.DataBean> leftbean = new ArrayList<>();
    private MyLeftAdapter myLeftAdapter;
    private int cid = 1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate( savedInstanceState );
        setContentView( R.layout.activity_main );
        recy_left = findViewById( R.id.recyr_left );
        recy_right = findViewById( R.id.recy_right );


        LinearLayoutManager linearLayoutManager = new LinearLayoutManager