Fragment分类页面
例：
FrgamenFenleiFragment 分类页面
public class FrgamenFenleiFragment extends Fragment { private View view; private RecyclerView mLeftrlv; private RecyclerView mRightrlv; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View inflate = inflater.inflate(R.layout.frgamen_fenlei, null); initView(inflate); return inflate; } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); getleft(); getright(1); } private void getleft() { String leftpath="https://www.zhaoapi.cn/product/getCatagory"; mLeftrlv.setLayoutManager(new LinearLayoutManager(getActivity(), OrientationHelper.VERTICAL,false)); OkHttp3Util_03.doGet(leftpath, new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); final Left left = new Gson().fromJson(string, Left.class); final List<Left.DataBean> data = left.getData(); getActivity().runOnUiThread(new Runnable() { @Override public void run() { LeftAdapter leftAdapter=new LeftAdapter(getContext(),data); mLeftrlv.setAdapter(leftAdapter); leftAdapter.SetOnItemClickListener(new LeftAdapter.OnItemClickListener() { @Override public void onItemClick(int position) { int cid = data.get(position).getCid(); getright(cid); } }); } }); } }); } private void getright(final int right) { String rightqian = "https://www.zhaoapi.cn/product/getProductCatagory?cid="+right; mRightrlv.setLayoutManager(new LinearLayoutManager(getActivity(), OrientationHelper.VERTICAL,false)); OkHttp3Util_03.doGet(rightqian, new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); RightOut rightOut = new Gson().fromJson(string, RightOut.class); final List<RightOut.DataBean> data = rightOut.getData(); getActivity().runOnUiThread(new Runnable() { @Override public void run() { RightAdapter rightAdapter = new RightAdapter(getActivity(),data); mRightrlv.setAdapter(rightAdapter); } }); } }); } private void initView(View inflate) { mLeftrlv = (RecyclerView) inflate.findViewById(R.id.leftrlv); mRightrlv = (RecyclerView) inflate.findViewById(R.id.rightrlv); } }
frgamen_fenlei 分类页面布局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal"> <RelativeLayout android:layout_width="0dp" android:layout_weight="3" android:layout_height="match_parent"> <android.support.v7.widget.RecyclerView android:layout_width="200dp" android:id="@+id/leftrlv" android:layout_centerHorizontal="true" android:layout_height="match_parent"> </android.support.v7.widget.RecyclerView> </RelativeLayout> <RelativeLayout android:layout_width="0dp" android:layout_weight="7" android:layout_height="match_parent"> <android.support.v7.widget.RecyclerView android:layout_width="600dp" android:id="@+id/rightrlv" android:layout_height="match_parent"> </android.support.v7.widget.RecyclerView> </RelativeLayout> </LinearLayout>
OkHttp3Util_03 网络工具类：
public class OkHttp3Util_03 { /** * 懒汉 安全 加同步 * 1.私有的静态成员变量 只声明不创建 * 2.私有的构造方法 * 3.提供返回实例的静态方法 */ private static OkHttpClient okHttpClient = null; private OkHttp3Util_03() { } public static OkHttpClient getInstance() { if (okHttpClient == null) { //加同步安全 synchronized (OkHttp3Util_03.class) { if (okHttpClient == null) { //okhttp可以缓存数据....指定缓存路径 File sdcache = new File(Environment.getExternalStorageDirectory(), "cache"); //指定缓存大小 int cacheSize = 10 * 1024 * 1024; okHttpClient = new OkHttpClient.Builder()//构建器 .connectTimeout(15, TimeUnit.SECONDS)//连接超时 .writeTimeout(20, TimeUnit.SECONDS)//写入超时 .readTimeout(20, TimeUnit.SECONDS)//读取超时 .addInterceptor(new CommonParamsInterceptor())//添加应用拦截器的方法 .cache(new Cache(sdcache.getAbsoluteFile(), cacheSize))//设置缓存 .build(); } } } return okHttpClient; } /** * get请求 * 参数1 url * 参数2 回调Callback * * oldUrl表示老的地址,,,是没封装公共参数之前的地址....公共参数指的是source=android * */ public static void doGet(String oldUrl, Callback callback) { //创建OkHttpClient请求对象 OkHttpClient okHttpClient = getInstance(); //创建Request Request request = new Request.Builder().url(oldUrl).build(); //得到Call对象 Call call = okHttpClient.newCall(request); //执行异步请求 call.enqueue(callback); } /** * post请求 * 参数1 url * 参数2 Map<String, String> params post请求的时候给服务器传的数据 * add..("","") * add() */ public static void doPost(String url, Map<String, String> params, Callback callback) { //创建OkHttpClient请求对象 OkHttpClient okHttpClient = getInstance(); //3.x版本post请求换成FormBody 封装键值对参数 FormBody.Builder builder = new FormBody.Builder(); //遍历集合,,,map集合遍历方式 for (String key : params.keySet()) { builder.add(key, params.get(key)); } //创建Request....formBody...new formBody.Builder()...add()....build() Request request = new Request.Builder().url(url).post(builder.build()).build(); Call call = okHttpClient.newCall(request); call.enqueue(callback); } /** * post请求上传文件....包括图片....流的形式传任意文件... * 参数1 url * file表示上传的文件 * fileName....文件的名字,,例如aaa.jpg * params ....传递除了file文件 其他的参数放到map集合 * */ public static void uploadFile(String url, File file, String fileName,Map<String,String> params,Callback callback) { //创建OkHttpClient请求对象 OkHttpClient okHttpClient = getInstance(); //MultipartBody多功能的请求实体对象,,,formBody只能传表单形式的数据 MultipartBody.Builder builder = new MultipartBody.Builder(); builder.setType(MultipartBody.FORM); //参数 if (params != null){ for (String key : params.keySet()){ builder.addFormDataPart(key,params.get(key)); } } //文件...参数name指的是请求路径中所接受的参数...如果路径接收参数键值是fileeeee,此处应该改变 builder.addFormDataPart("file",fileName, RequestBody.create(MediaType.parse("application/octet-stream"),file)); //构建 MultipartBody multipartBody = builder.build(); //创建Request Request request = new Request.Builder().url(url).post(multipartBody).build(); //得到Call Call call = okHttpClient.newCall(request); //执行请求 call.enqueue(callback); } /** * Post请求发送JSON数据....{"name":"zhangsan","pwd":"123456"} * 参数一：请求Url * 参数二：请求的JSON * 参数三：请求回调 */ public static void doPostJson(String url, String jsonParams, Callback callback) { RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonParams); Request request = new Request.Builder().url(url).post(requestBody).build(); Call call = getInstance().newCall(request); call.enqueue(callback); } /** * 下载文件 以流的形式把apk写入的指定文件 得到file后进行安装 * 参数er：请求Url * 参数san：保存文件的文件夹....download */ public static void download(final Activity context, final String url, final String saveDir) { //get请求 Request request = new Request.Builder().url(url).build(); Call call = getInstance().newCall(request); call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { //com.orhanobut.logger.Logger.e(e.getLocalizedMessage()); } @Override public void onResponse(Call call, final Response response) throws IOException { InputStream is = null; byte[] buf = new byte[2048]; int len = 0; FileOutputStream fos = null; try { //response.body().string()...json限制是1M大小...byteStream()流的方式 is = response.body().byteStream();//以字节流的形式拿回响应实体内容 //apk保存路径 final String fileDir = isExistDir(saveDir); //文件 File file = new File(fileDir, getNameFromUrl(url)); fos = new FileOutputStream(file); while ((len = is.read(buf)) != -1) { fos.write(buf, 0, len); } fos.flush(); context.runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(context, "下载成功:" + fileDir + "," + getNameFromUrl(url), Toast.LENGTH_SHORT).show(); } }); //apk下载完成后 调用系统的安装方法......覆盖安装,,,只有包名和签名的应用,并且版本和版本号升级后的才能安装 Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); context.startActivity(intent); } catch (IOException e) { e.printStackTrace(); } finally { if (is != null) is.close(); if (fos != null) fos.close(); } } }); } /** * 判断下载目录是否存在......并返回绝对路径 * @param saveDir * @return * @throws IOException */ public static String isExistDir(String saveDir) throws IOException { // 下载位置 if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { File downloadFile = new File(Environment.getExternalStorageDirectory(), saveDir); if (!downloadFile.mkdirs()) { downloadFile.createNewFile(); } String savePath = downloadFile.getAbsolutePath(); Log.e("savePath", savePath); return savePath; } return null; } /** * @param url * @return 从下载连接中解析出文件名 */ private static String getNameFromUrl(String url) { return url.substring(url.lastIndexOf("/") + 1); } /** * 封装公共参数的拦截器 */ private static class CommonParamsInterceptor implements Interceptor { //intercept方法就是拦截的意思....拦截的是一个请求,,,一旦拦截之后可以对请求的参数进行处理 //Chain chain 链条的意思 @Override public Response intercept(Chain chain) throws IOException { Log.e("----","拦截器------"); //调用request()方法得到拦截的请求 Request request = chain.request(); //获取请求的方式 String method = request.method();//GET POST //拦截的请求的路径 String oldUrl = request.url().toString(); //要添加的公共参数...map Map<String,String> map = new HashMap<>(); map.put("source","android"); if ("GET".equals(method)){ StringBuilder stringBuilder = new StringBuilder();//创建一个stringBuilder...字符串缓冲区 stringBuilder.append(oldUrl); if (oldUrl.contains("?")){ //?在最后面....2类型 if (oldUrl.indexOf("?") == oldUrl.length()-1){ }else { //3类型...拼接上& stringBuilder.append("&"); } }else { //不包含? 属于1类型,,,先拼接上?号 stringBuilder.append("?"); } //添加公共参数....source=android&appVersion=100& for (Map.Entry<String,String> entry: map.entrySet()) { //拼接 stringBuilder.append(entry.getKey()) .append("=") .append(entry.getValue()) .append("&"); } //删掉最后一个&符号 if (stringBuilder.indexOf("&") != -1){ stringBuilder.deleteCharAt(stringBuilder.lastIndexOf("&")); } //得到含有公共参数的新路径.....使用新路径去请求 String newUrl = stringBuilder.toString(); //新的路径构建一个新的请求 request = request.newBuilder().url(newUrl).build(); }else if ("POST".equals(method)){ Log.e("--oldUrl--",oldUrl); //参数在请求的实体内容上....拿到以前的参数,把以前的参数和公共参数全都添加到请求实体上 RequestBody requestBody = request.body(); if (requestBody instanceof FormBody){//前边是不是后边的子类/实例对象 FormBody oldBody = (FormBody) requestBody;//keywords...page FormBody.Builder builder = new FormBody.Builder(); //先添加之前的参数 for (int i = 0;i<oldBody.size();i++){ //键值对的形式添加 builder.add(oldBody.name(i),oldBody.value(i)); } //添加公共参数 for (Map.Entry<String,String> entry: map.entrySet()) { builder.add(entry.getKey(),entry.getValue()); } //构建一个新的请求 request = request.newBuilder().url(oldUrl).post(builder.build()).build(); } } //执行请求 获取到响应 Response response = chain.proceed(request); return response; } } }
分类页面左边适配器：LeftAdapter
public class LeftAdapter extends RecyclerView.Adapter { private Context context; private List<Left.DataBean> data; private OnItemClickListener onItemClickListener; public LeftAdapter(Context context, List<Left.DataBean> data) { this.context = context; this.data = data; } @NonNull @Override public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View view = LayoutInflater.from(context).inflate(R.layout.leftitem, null,false); LeftViewHloder vh=new LeftViewHloder(view); return vh; } @Override public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) { LeftViewHloder vh= (LeftViewHloder) holder; vh.leftitem.setText(data.get(position).getName()); vh.leftitem.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (onItemClickListener!=null){ onItemClickListener.onItemClick(position); } } }); } @Override public int getItemCount() { return data.size(); } private class LeftViewHloder extends RecyclerView.ViewHolder { private final TextView leftitem; public LeftViewHloder(View itemView) { super(itemView); leftitem = itemView.findViewById(R.id.leftitem); } } public interface OnItemClickListener { void onItemClick(int position); } public void SetOnItemClickListener(OnItemClickListener onItemClickListener){ this.onItemClickListener=onItemClickListener; } }leftitem 左边适配器布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:padding="10dp" android:layout_centerHorizontal="true" android:layout_height="match_parent"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:textSize="18sp" android:text="sdgffdhghfdga" android:id="@+id/leftitem" /> </RelativeLayout>
Left 左边适配器网络请求Bean类：
public class Left { /** * msg : * code : 0 * data : [{"cid":1,"createtime":"2017-10-10T19:41:39","icon":"http://120.27.23.105/images/category/shop.png","ishome":1,"name":"京东超市"},{"cid":2,"createtime":"2017-10-10T19:41:39","icon":"http://120.27.23.105/images/category/qqg.png","ishome":1,"name":"全球购"},{"cid":3,"createtime":"2017-10-10T19:45:11","icon":"http://120.27.23.105/images/category/phone.png","ishome":1,"name":"手机数码"},{"cid":5,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/man.png","ishome":1,"name":"男装"},{"cid":6,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/girl.png","ishome":1,"name":"女装"},{"cid":7,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/manshoe.png","ishome":1,"name":"男鞋"},{"cid":8,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/girlshoe.png","ishome":1,"name":"女鞋"},{"cid":9,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/shirt.png","ishome":1,"name":"内衣配饰"},{"cid":10,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/bag.png","ishome":1,"name":"箱包手袋"},{"cid":11,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/beauty.png","ishome":1,"name":"美妆个护"},{"cid":12,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/jewel.png","ishome":1,"name":"钟表珠宝"},{"cid":13,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/luxury.png","ishome":1,"name":"奢侈品"},{"cid":14,"createtime":"2017-10-10T20:12:03","icon":"http://120.27.23.105/images/category/computer.png","ishome":1,"name":"电脑办公"},{"cid":15,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"家用电器"},{"cid":16,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"食品生鲜"},{"cid":17,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"酒水饮料"},{"cid":18,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"母婴童装"},{"cid":19,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"玩具乐器"},{"cid":20,"createtime":"2017-09-29T10:13:48","icon":"http://120.27.23.105/images/icon.png","ishome":0,"name":"医药保健"}] */ private String msg; private String code; private List<DataBean> data; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public String getCode() { return code; } public void setCode(String code) { this.code = code; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class DataBean { /** * cid : 1 * createtime : 2017-10-10T19:41:39 * icon : http://120.27.23.105/images/category/shop.png * ishome : 1 * name : 京东超市 */ private int cid; private String createtime; private String icon; private int ishome; private String name; public int getCid() { return cid; } public void setCid(int cid) { this.cid = cid; } public String getCreatetime() { return createtime; } public void setCreatetime(String createtime) { this.createtime = createtime; } public String getIcon() { return icon; } public void setIcon(String icon) { this.icon = icon; } public int getIshome() { return ishome; } public void setIshome(int ishome) { this.ishome = ishome; } public String getName() { return name; } public void setName(String name) { this.name = name; } } }
RightOut 右边适配器Bean类：
public class RightOut { /** * msg : 获取子分类成功 * code : 0 * data : [{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"月饼","pcid":1,"pscid":1},{"icon":"http://120.27.23.105/images/icon.png","name":"坚果炒货","pcid":1,"pscid":2},{"icon":"http://120.27.23.105/images/icon.png","name":"糖巧","pcid":1,"pscid":3},{"icon":"http://120.27.23.105/images/icon.png","name":"休闲零食","pcid":1,"pscid":4},{"icon":"http://120.27.23.105/images/icon.png","name":"肉干肉脯","pcid":1,"pscid":5},{"icon":"http://120.27.23.105/images/icon.png","name":"饼干蛋糕","pcid":1,"pscid":6},{"icon":"http://120.27.23.105/images/icon.png","name":"蜜饯果干","pcid":1,"pscid":7},{"icon":"http://120.27.23.105/images/icon.png","name":"无糖食品","pcid":1,"pscid":8}],"name":"休闲零食","pcid":"1"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"新鲜水果","pcid":2,"pscid":9},{"icon":"http://120.27.23.105/images/icon.png","name":"海鲜水产","pcid":2,"pscid":10},{"icon":"http://120.27.23.105/images/icon.png","name":"精选肉类","pcid":2,"pscid":11},{"icon":"http://120.27.23.105/images/icon.png","name":"蛋类","pcid":2,"pscid":12},{"icon":"http://120.27.23.105/images/icon.png","name":"新鲜蔬菜","pcid":2,"pscid":13},{"icon":"http://120.27.23.105/images/icon.png","name":"冷冻食品","pcid":2,"pscid":14},{"icon":"http://120.27.23.105/images/icon.png","name":"饮品甜品","pcid":2,"pscid":15},{"icon":"http://120.27.23.105/images/icon.png","name":"大闸蟹","pcid":2,"pscid":16}],"name":"京东生鲜","pcid":"2"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"大米","pcid":3,"pscid":21},{"icon":"http://120.27.23.105/images/icon.png","name":"面粉","pcid":3,"pscid":22},{"icon":"http://120.27.23.105/images/icon.png","name":"杂粮","pcid":3,"pscid":23},{"icon":"http://120.27.23.105/images/icon.png","name":"食用油","pcid":3,"pscid":24},{"icon":"http://120.27.23.105/images/icon.png","name":"调味品","pcid":3,"pscid":25},{"icon":"http://120.27.23.105/images/icon.png","name":"方便速食","pcid":3,"pscid":26},{"icon":"http://120.27.23.105/images/icon.png","name":"有机食品","pcid":3,"pscid":27}],"name":"粮油调味","pcid":"3"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"饮用水","pcid":4,"pscid":28},{"icon":"http://120.27.23.105/images/icon.png","name":"饮料","pcid":4,"pscid":29},{"icon":"http://120.27.23.105/images/icon.png","name":"牛奶乳品","pcid":4,"pscid":30},{"icon":"http://120.27.23.105/images/icon.png","name":"名茶","pcid":4,"pscid":31},{"icon":"http://120.27.23.105/images/icon.png","name":"蜂蜜","pcid":4,"pscid":32}],"name":"水饮茗茶","pcid":"4"},{"cid":"1","list":[{"icon":"http://120.27.23.105/images/icon.png","name":"白酒","pcid":5,"pscid":33},{"icon":"http://120.27.23.105/images/icon.png","name":"葡萄酒","pcid":5,"pscid":34},{"icon":"http://120.27.23.105/images/icon.png","name":"洋酒","pcid":5,"pscid":35},{"icon":"http://120.27.23.105/images/icon.png","name":"啤酒","pcid":5,"pscid":36},{"icon":"http://120.27.23.105/images/icon.png","name":"黄酒","pcid":5,"pscid":37},{"icon":"http://120.27.23.105/images/icon.png","name":"陈年老酒","pcid":5,"pscid":38}],"name":"中外名酒","pcid":"5"}] */ private String msg; private String code; private List<DataBean> data; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public String getCode() { return code; } public void setCode(String code) { this.code = code; } public List<DataBean> getData() { return data; } public void setData(List<DataBean> data) { this.data = data; } public static class DataBean { /** * cid : 1 * list : [{"icon":"http://120.27.23.105/images/icon.png","name":"月饼","pcid":1,"pscid":1},{"icon":"http://120.27.23.105/images/icon.png","name":"坚果炒货","pcid":1,"pscid":2},{"icon":"http://120.27.23.105/images/icon.png","name":"糖巧","pcid":1,"pscid":3},{"icon":"http://120.27.23.105/images/icon.png","name":"休闲零食","pcid":1,"pscid":4},{"icon":"http://120.27.23.105/images/icon.png","name":"肉干肉脯","pcid":1,"pscid":5},{"icon":"http://120.27.23.105/images/icon.png","name":"饼干蛋糕","pcid":1,"pscid":6},{"icon":"http://120.27.23.105/images/icon.png","name":"蜜饯果干","pcid":1,"pscid":7},{"icon":"http://120.27.23.105/images/icon.png","name":"无糖食品","pcid":1,"pscid":8}] * name : 休闲零食 * pcid : 1 */ private String cid; private String name; private String pcid; private List<ListBean> list; public String getCid() { return cid; } public void setCid(String cid) { this.cid = cid; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPcid() { return pcid; } public void setPcid(String pcid) { this.pcid = pcid; } public List<ListBean> getList() { return list; } public void setList(List<ListBean> list) { this.list = list; } public static class ListBean { /** * icon : http://120.27.23.105/images/icon.png * name : 月饼 * pcid : 1 * pscid : 1 */ private String icon; private String name; private int pcid; private int pscid; public String getIcon() { return icon; } public void setIcon(String icon) { this.icon = icon; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getPcid() { return pcid; } public void setPcid(int pcid) { this.pcid = pcid; } public int getPscid() { return pscid; } public void setPscid(int pscid) { this.pscid = pscid; } } } }右边适配器 RightAdapter
public class RightAdapter extends RecyclerView.Adapter { private Context context; private List<RightOut.DataBean> data; public RightAdapter(Context context, List<RightOut.DataBean> data) { this.context = context; this.data = data; } @NonNull @Override public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View view = LayoutInflater.from(context).inflate(R.layout.right, null,false); LeftViewHloder vh=new LeftViewHloder(view); return vh; } @Override public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, final int position) { LeftViewHloder vh= (LeftViewHloder) holder; vh.righttou.setText(data.get(position).getName()); List<RightOut.DataBean.ListBean> rightzilist = data.get(position).getList(); vh.rightzifen.setLayoutManager(new GridLayoutManager(context,3,GridLayoutManager.VERTICAL,false)); RightZiAdapter rightZiAdapter = new RightZiAdapter (context,rightzilist); vh.rightzifen.setAdapter(rightZiAdapter); } @Override public int getItemCount() { return data.size(); } private class LeftViewHloder extends RecyclerView.ViewHolder { private final TextView righttou; private final RecyclerView rightzifen; public LeftViewHloder(View itemView) { super(itemView); righttou = itemView.findViewById(R.id.righttou); rightzifen = itemView.findViewById(R.id.rightzifen); } } }right 右边适配器布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/righttou" android:textSize="23sp" android:layout_centerHorizontal="true" android:text="sdgffdhghfdga" /> <android.support.v7.widget.RecyclerView android:layout_below="@id/righttou" android:layout_width="match_parent" android:id="@+id/rightzifen" android:layout_height="wrap_content"> </android.support.v7.widget.RecyclerView> </RelativeLayout>右边子类适配器 RightZiAdapter
public class RightZiAdapter extends RecyclerView.Adapter { private Context context; private List<RightOut.DataBean.ListBean> rightzilist; public RightZiAdapter(Context context, List<RightOut.DataBean.ListBean> rightzilist) { this.context = context; this.rightzilist = rightzilist; } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = LayoutInflater.from(context).inflate(R.layout.rightzi, null,false); MyViewHloder viewHolderA = new MyViewHloder(view); return viewHolderA; } @Override public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) { MyViewHloder vh= (MyViewHloder) holder; vh.t01.setText(rightzilist.get(position).getName()); Uri uri = Uri.parse(rightzilist.get(position).getIcon()); DraweeController controller = Fresco.newDraweeControllerBuilder() .setUri(uri) .setAutoPlayAnimations(true) .build(); vh.img01 .setController(controller); } @Override public int getItemCount() { return rightzilist.size(); } class MyViewHloder extends RecyclerView.ViewHolder{ private final TextView t01; private final SimpleDraweeView img01; public MyViewHloder(View itemView) { super(itemView); img01 = itemView.findViewById(R.id.zimg01 ); t01 = itemView.findViewById(R.id.zt01); } } }rightzi 右边子类适配器布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:orientation="vertical" android:padding="10dp" android:layout_centerHorizontal="true" android:layout_height="match_parent"> <com.facebook.drawee.view.SimpleDraweeView android:layout_width="50dp" android:layout_height="50dp" android:layout_centerHorizontal="true" android:id="@+id/zimg01" /> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/zimg01" android:gravity="center" android:id="@+id/zt01" android:text="sdgffdhghfdga" /> </RelativeLayout>