RecyclerView实现横向滚动

        this.mContext = context;           isPreparingData = new AtomicBoolean(false);           initViews();       }       public SimpleLinearLayout(Context context, AttributeSet attrs) {           super(context, attrs);           this.mContext = context;           isPreparingData = new AtomicBoolean(false);           initViews();       }       protected void initViews() {       }  
    private SpeedHourAdapter speedHourAdapter=null;       private SpeedHourEntity entity=null;       public SpeedHourView(Context context) {           this(context, null);       }       public SpeedHourView(Context context, AttributeSet attrs) {           super(context, attrs);       }       @Override       protected void initViews() {           contentView = inflate(mContext, R.layout.layout_speed_per_hour, this);           ButterKnife.bind(this);           init();       }       private void init() {           initData();           initView();           initAdapter();       }       private void initData() {           String data = FileUtils.readAssert(mContext, "speenhour.txt");           entity = JsonUtils.parseJson(data, SpeedHourEntity.class);       }       private void initView() {           LinearLayoutManager linearLayoutManager = new LinearLayoutManager(mContext);           linearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);           recyclerView.setLayoutManager(linearLayoutManager);       }       private void initAdapter() {           speedHourAdapter=new SpeedHourAdapter(mContext);           recyclerView.setAdapter(speedHourAdapter);           if (entity!=null entity.topic!=null entity.topic.items!=null entity.topic.items.size() 0){               List SpeedHourEntity.TopicBean.ItemsBean.ListBean  listBeen=entity.topic.items.get(0).list;                if (listBeen!=null listBeen.size() 0)                speedHourAdapter.setList(listBeen);           }           speedHourAdapter.setOnItemClickListener(new SpeedHourAdapter.OnItemClickListener() {               @Override               public void onItemClick(View view, int position) {                   ProductDetailsActivity.open(mContext);               }           });       }       @OnClick(R.id.more_view)       public void moreClick() {           ToastUtils.showToast("更多时速达");       }  
?xml version="1.0" encoding="utf-8"?    LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"       xmlns:ptr="http://schemas.android.com/apk/res-auto"       android:id="@+id/speed_view"       android:layout_width="wrap_content"       android:layout_height="wrap_content"       android:orientation="vertical"       android:padding="10dp"       android:gravity="center"         ImageView           android:id="@+id/speed_image"           android:layout_width="85dp"           android:layout_height="85dp"           android:scaleType="fitXY"            /         TextView           android:id="@+id/speed_name"                      android:layout_marginTop="5dp"           android:text="蜂蜜柚子茶"           android:maxLines="1"/         TextView           android:id="@+id/speed_price"                      android:layout_marginTop="5dp"           android:text="￥30.0"           android:maxLength="6"           android:maxLines="1"/    /LinearLayout   
    public interface OnItemClickListener {           void onItemClick(View view, int position);       }       public void setOnItemClickListener(OnItemClickListener mOnItemClickLitener) {           this.mOnItemClickListener = mOnItemClickLitener;       }       @Override       public SpeedHourHolder onCreateViewHolder(ViewGroup parent, int viewType) {           View view = mInflater.inflate(R.layout.item_speedhour_layout, parent, false);           SpeedHourHolder holder = new SpeedHourHolder(view);           return holder;       }       @Override       public void onBindViewHolder(final SpeedHourHolder holder, final int position) {           ListBean bean = specailList.get(position);           if (bean != null) {               holder.speedImage.setScaleType(ImageView.ScaleType.FIT_XY);               Glide.with(mContext).load(bean.pic).error(R.drawable.welfare_default_icon).into(holder.speedImage);               holder.speedName.setText("同仁堂枸杞茶");               holder.speedPrice.setText("￥"+Math.random()*100);           }           holder.speedView.setOnClickListener(new View.OnClickListener() {               @Override               public void onClick(View view) {                 if (mOnItemClickListener!=null){                     mOnItemClickListener.onItemClick(holder.speedView,position);                 }               }           });       }       @Override       public int getItemCount() {           return specailList.size();       }   class SpeedHourHolder extends RecyclerView.ViewHolder {       @BindView(R.id.speed_view)       LinearLayout speedView;       @BindView(R.id.speed_image)       ImageView speedImage;       @BindView(R.id.speed_name)       TextView speedName;       @BindView(R.id.speed_price)       TextView speedPrice;       public SpeedHourHolder(View itemView) {           super(itemView);           ButterKnife.bind(this,itemView);           itemView.setTag(this);       }  
    public static  T  List T  jsonToList(final String jsonString, final Type type) {           try {               return gson.fromJson(jsonString, type);           } catch (Exception e) {               return null;           }       }       public static  T  List T  jsonToList(final JsonArray jsonArray, final Class T  classOfT) {           List T  list = new ArrayList T ();           for (int i = 0, size = jsonArray.size(); i   size; i++) {               list.add(gson.fromJson(jsonArray.get(i), classOfT));           }           return list;       }       public static  T  T parseJson(final JsonObject jsonObject, final Class T  classOfT) {           try {               return gson.fromJson(jsonObject, classOfT);           } catch (Exception e) {               return null;           }       }       public static Map toMap(Object jsonString) {           if (TextUtils.isEmpty(jsonString.toString())) {               return new HashMap();           }           String js = jsonString.toString();           Gson gson = new Gson();           Type type = new TypeToken Map (){           }.getType();           Map map = gson.fromJson(js,type);           return map;       }  

为了方便测试，给大家提供一段数据，大家放在assert就好了，然后读到实体类就好了：

price: 288,   pic: "http://pc1.img.ymatou.com/G02/shangou/M08/D4/59/CgvUBVeW2oOAJZOgAAChvNt-3Yc332_n_w_l.jpg"   id: "936f2615-10bb-4831-8674-9bea0b43b486",   price: 79,   pic: "http://pc1.img.ymatou.com/G02/shangou/M01/79/BE/CgvUA1eMo0iAL9yhAAOEN7artTM830_n_w_l.jpg"   id: "24f2be35-ba6e-4bb7-b60d-47d9c2a5bb7d",   price: 35,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0B/BA/86/CgvUBFdXdlKAJs8WAAhZYEeKhCI758_w_ls.jpg"   id: "6e43adf2-18b0-40aa-a95d-84ad3cf352f7",   price: 29,   pic: "http://pc2.img.ymatou.com/G02/upload/product/original/M07/13/22/CgvUA1eADhCAHWyQAAHAnGAUtm4799_n_w_l.jpg"   id: "c082d977-e06f-4f24-bf3e-7768b839170c",   price: 758,   pic: "http://pc2.img.ymatou.com/G02/shangou/M07/B5/D4/CgvUA1dW4XWALArJAACZadCCJ5Q293_w_ls.jpg"   id: "7737d9eb-ae85-4911-8f80-939c4d805b0a",   price: 29,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0B/56/B2/CgvUBFeoq9iAXyveAAPoUP0-kYA656_n_w_l.jpg"   id: "bcc4517e-20d5-48da-ae46-708d2e8d03af",   price: 288,   pic: "http://pc1.img.ymatou.com/G02/shangou/M07/CC/8F/CgvUA1d6N7yASvgPAAMymJaT5yQ96_n_w_l.jpeg"   id: "c717e1bd-7a3b-4f92-9317-84b4147ede71",   price: 78,   pic: "http://pc1.img.ymatou.com/G02/upload/product/original/M07/8B/12/CgvUBFeOSB2AD_7dAAGNl3gl_gU541_n_w_l.jpg"   id: "139594cb-833c-4ade-b547-3a9a056b193e",   price: 69,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0B/9D/5D/CgvUA1dWSM6AYn7hAAWcHrWn_90648_w_ls.png"   id: "4414e81f-fc3b-427c-b1ee-37b03883e0dc",   price: 88,   pic: "http://pc1.img.ymatou.com/G02/shangou/M09/02/76/CgvUBFeHQLSALvfLAAHccf91md4006_n_w_l.jpg"   follow: false,   topictype: 106   id: 1001185,   theme: "Tommy Hilfiger男女服饰精选",   products: 553,   users: 111,   href: "",   list: [   id: "bd128bbf-243b-4c2e-a1d4-ea698b06142e",   price: 99,   pic: "http://pc1.img.ymatou.com/G02/shangou/M08/16/8A/CgvUBFfGh_SADrC8AALybC7Xmv8091_n_w_l.jpg"   id: "ea044aaf-32da-4c6e-b867-755fa780036d",   price: 229,   pic: "http://pc1.img.ymatou.com/G02/shangou/M08/13/4F/CgvUBFfGA0-AFbQsAALknGVeqU8444_n_w_l.jpg"   id: "5b5730a9-3343-4ef6-b78b-8b585c0b78f2",   price: 168,   pic: "http://pc1.img.ymatou.com/G02/shangou/M07/38/1D/CgvUBFekEIOAc8EdAAEHlzPTZWw039_n_w_l.jpg"   id: "e956417a-e476-486b-be19-8fd64c6fe551",   price: 199,   pic: "http://pc1.img.ymatou.com/G02/shangou/M09/D9/DC/CgvUA1d7vRqAGFxnAADXh3zHBn4743_n_w_l.jpg"   id: "1d3e6f9b-d5f5-436c-a0d4-2e04a9e08c0d",   price: 299,   pic: "http://pc1.img.ymatou.com/G02/shangou/M07/D9/C2/CgvUBVe8dPCAMcc8AAJ6-rOnfWA070_n_w_l.jpg"   id: "d44ca918-3e73-4b24-a81b-f88813be057e",   price: 258,   pic: "http://pc1.img.ymatou.com/G02/shangou/M01/C1/EF/CgvUBVe4txiAIkmjAAMYwUZonWk554_n_w_l.jpg"   id: "9f9b285a-bd18-409e-a66a-d05c717898d0",   price: 179,   pic: "http://pc1.img.ymatou.com/G02/shangou/M03/45/84/CgvUBFeIhXGANzZpAADWX4O6_Xc860_n_w_l.jpg"   id: "c13e8714-e1a8-48a7-b47b-7c165aa63c34",   price: 178,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0A/9E/4B/CgvUA1ezz_yALQtFAAHeUOJ-DcY945_n_w_l.jpg"   id: "29aa1c5a-5f6e-4a80-9305-84e83cf652fc",   price: 299,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0B/EB/44/CgvUBFeZslCADHsjAAPW3Sy2qj8675_n_w_l.jpg"   id: "d8120a37-aa93-4e4f-934a-4245c4f42c71",   price: 388,   pic: "http://pc1.img.ymatou.com/G02/shangou/M02/50/3A/CgvUBVen9AKAOZLHAAFhQsWjV14609_n_w_l.jpg"   follow: false,   topictype: 106   id: 1002054,   theme: "每个都市白领都有一只时尚腕表",   products: 310,   users: 68,   href: "",   list: [   id: "386ebe00-cdd0-4324-92f7-6a25179fe557",   price: 1999,   pic: "http://pc1.img.ymatou.com/G02/shangou/M05/7E/4D/CgvUBVeNHI6APdp3AAFZgOkl-XU821_n_w_l.jpg"   id: "4d93b2e6-7bf6-4878-830f-6ed22c380731",   price: 1550,   pic: "http://pc1.img.ymatou.com/G02/shangou/M04/6B/D1/CgvUBVer7BSAE7tTAAGD0sdyEp4918_n_w_l.jpg"   id: "e6b2eaef-e8ea-4ca1-b9cb-fba630e79572",   price: 398,   pic: "http://pc1.img.ymatou.com/G02/upload/product/original/M00/EC/53/CgvUBFd-GgWAZ0hWAAHuCzGVzlE002_n_w_l.jpg"   id: "0bf2584d-52eb-403e-b668-fc59eddf7b35",   price: 899,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0A/50/9C/CgvUBFeoBtaAVRJaAAPRD_cW1jI986_n_w_l.jpg"   id: "756ca0ed-b128-4b72-a308-f5cde1a31fbb",   price: 1788,   pic: "http://pc2.img.ymatou.com/G02/upload/product/original/M04/13/FE/CgvUBFeAGCiAeyEgAAOoCajEei0337_n_w_l.jpg"   id: "c5c95dd3-0585-4ccd-b34b-b2a1b0c98915",   price: 1460,   pic: "http://pc1.img.ymatou.com/G02/shangou/M04/ED/CF/CgvUA1eZ0Y2AQV2gAAJMchT1mjY462_n_w_l.jpg"   id: "c5a664db-aa70-47d1-b0e6-15ad1faafcbe",   price: 1299,   pic: "http://pc1.img.ymatou.com/G02/shangou/M08/15/40/CgvUA1egLnyAZo-IAAIVAvK1Hxw422_n_w_l.jpg"   id: "a3449aef-fdec-4344-9bca-f98b27a8a3de",   price: 2380,   pic: "http://pc1.img.ymatou.com/G02/shangou/M01/FB/EB/CgvUBVfBjXOAZiOhAAJILon5PNE706_n_w_l.jpg"   id: "cb473f7e-3a40-4eb5-8778-043308c80ad4",   price: 299,   pic: "http://pc1.img.ymatou.com/G02/shangou/M03/99/BF/CgvUBVePNzOAR5inAAFt690zWtA662_n_w_l.jpg"   id: "2ad9f10e-ee94-49a7-95e8-b37104b86dc4",   price: 699,   pic: "http://pc1.img.ymatou.com/G02/shangou/M07/06/F6/CgvUA1eHRaGAL-WUAACUnFlglbU914_n_w_l.jpg"   follow: false,   topictype: 106   id: 1000691,   theme: "工薪族必备 一只FURLA手袋",   products: 369,   users: 81,   href: "",   list: [   id: "326d57e0-e202-45c9-a418-1f7c5c6cee37",   price: 1599,   pic: "http://pc1.img.ymatou.com/G02/shangou/M07/99/9B/CgvUBFezGJmAf-gQAAH98NQDroc227_n_w_l.jpg"   id: "8c0aa3ec-0fba-4ee8-8952-74ebca2dd260",   price: 799,   pic: "http://pc1.img.ymatou.com/G02/shangou/M04/7C/AD/CgvUBVeM506AGvgHAAEYWxTXLXc839_n_w_l.jpg"   id: "3e04f95c-4b0f-4b9f-ae44-0391ab2f1616",   price: 1880,   pic: "http://pc1.img.ymatou.com/G02/shangou/M05/A5/E7/CgvUA1eQVrKAXqQVAALdAABuInM554_n_w_l.jpg"   id: "05059f48-a6bb-48c1-88df-7ecabe65bd4a",   price: 799,   pic: "http://pc1.img.ymatou.com/G02/shangou/M02/7C/8A/CgvUBVeM5E2ABWGgAAJ_9inEqjQ669_n_w_l.jpg"   id: "0962bf25-c417-409d-b39b-daf84c9a4e9d",   price: 988,   pic: "http://pc1.img.ymatou.com/G02/shangou/M04/C3/0F/CgvUA1e4-vmAZpGRAAH_XdWHcGE171_n_w_l.jpg"   id: "5c960ae1-27e3-4c94-8233-7456dc9e82b6",   price: 850,   pic: "http://pc1.img.ymatou.com/G02/shangou/M08/AF/1A/CgvUA1e1xIGASjQqAAIsrHq1TpY720_n_w_l.jpg"   id: "52184a55-e7e5-4e43-9a11-7b9fcc737136",   price: 1590,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0A/79/E6/CgvUBFety5GASYSLAAJeGTYNSgQ032_n_w_l.jpg"   id: "f11bbaf9-64eb-44ce-9bd3-07e8c8c6d1b3",   price: 2099,   pic: "http://pc1.img.ymatou.com/G02/shangou/M03/36/F6/CgvUBVej7UuABhdEAAGb2YixMaY568_n_w_l.jpg"   id: "6dbd4793-2b34-43b5-8b81-7432d301bc34",   price: 2088,   pic: "http://pc1.img.ymatou.com/G02/shangou/M0A/6C/81/CgvUA1er7guALEOhAAFI7ymRkME838_n_w_l.jpg"   id: "1d6f1747-a292-4821-98a0-becc67381f98",   price: 1450,   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目前 RecyclerView 的使用已经比较普遍了，当需要嵌套使用 RecyclerView 和 ScrollView 时候滑动卡顿的问题，也遇到的越来越多，特此记录下。
code_xzh 对前端移动客户端技术比较擅长。著有《React Native移动开发实战》和《Kotlin入门与实战》和《Weex跨平台实战》，《React Native移动开发进阶》即将出版，正在努力完成《Flutter跨平台开发实战》