android使用 ScrollerView 实现 可上下滚动的分类栏实例

allhonor_hscroll = (LinearLayout) findViewById(R.id.allhonor_hscroll); 

setAllHonorData(); 

/**   * 使用okhttp   */   public void setAllHonorData() {     OkHttpUtils         .get()         .url(url)         .build()         .execute(new StringCallback() {           @Override           public void onError(okhttp3.Call call, Exception e, int id) {             Log.e("TAG", "111");             Log.e("TAG", "onError" + e.getMessage());           }            @Override           public void onResponse(String response, int id) {             Log.e("TAG", "222");             Log.e("TAG", "onRespons" + response);              //联网成功后使用fastjson来解析数据             processData(response);           }            @Override           public void onBefore(Request request, int id) {           }            @Override           public void onAfter(int id) {           }          });   } 

/**    * 使用fastjson进行解析    *    * @param json    */   private void processData(String json) {     //使用GsonFormat生成对应的bean类     com.alibaba.fastjson.JSONObject jsonObject = JSON.parseObject(json);     String data = jsonObject.getString("data");     List<AllHonorBean.HornorBean> hornorsList = JSON.parseArray(data, AllHonorBean.HornorBean.class);      //测试是否解析数据成功 //    String strTest = hornorsList.get(0).getRegion(); //    Log.e("TAG", strTest);      //第四步：装配数据，使用两层for循环    } 

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:layout_width="match_parent"   android:layout_height="match_parent"   android:background="#ffffff"   android:orientation="vertical">    <TextView     android:id="@+id/tv_allhornors_big"     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:background="#11000000"     android:gravity="center_vertical"     android:paddingBottom="12dp"     android:paddingLeft="13dp"     android:paddingTop="12dp"     android:text="热门"     android:textColor="#000000"     android:textSize="14sp" />    <View     android:layout_width="match_parent"     android:layout_height="1dp"     android:background="#11000000" />  </LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:background="#ffffff"   android:orientation="vertical">    <LinearLayout     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:orientation="horizontal">      <TextView       android:id="@+id/tv_allhornors_sn0"       android:layout_width="0dp"       android:layout_height="wrap_content"       android:layout_weight="1"       android:clickable="true"       android:gravity="center"       android:paddingBottom="12sp"       android:paddingTop="12sp"       android:text="你好你好"       android:textColor="#000000"       android:textSize="13sp" />      <View       android:layout_width="1dp"       android:layout_height="match_parent"       android:background="#11000000" />      <!--注意这里的text文本一定要为空，不要设置任何内容-->     <TextView       android:id="@+id/tv_allhornors_sn1"       android:layout_width="0dp"       android:layout_height="wrap_content"       android:layout_weight="1"       android:clickable="true"       android:gravity="center"       android:paddingBottom="12sp"       android:paddingTop="12sp"       android:text=""       android:textColor="#000000"       android:textSize="13sp" />   </LinearLayout>    <View     android:layout_width="match_parent"     android:layout_height="1dp"     android:background="#11000000" />  </LinearLayout> 

if (hornorsList != null && hornorsList.size() > 0) {       //-->外层       for (int i = 0; i < hornorsList.size(); i++) {         //创建并添加第一种item布局         View globalView = View.inflate(this, R.layout.item_allhornors0, null);         TextView tv_allhornors_big = (TextView) globalView.findViewById(R.id.tv_allhornors_big);         AllHonorBean.HornorBean hornorsListBean = hornorsList.get(i);         String region = hornorsListBean.getRegion();         //外层for中直接装配数据         tv_allhornors_big.setText(region);         //将布局添加进去         allhonor_hscroll.addView(globalView);          List<AllHonorBean.HornorBean.FestivalsBean> festivalsList = hornorsListBean.getFestivals();         //-->内层,每次装两个数据         for (int j = 0; j < festivalsList.size(); j = j + 2) {           //创建并添加第二种item布局           View smallView = View.inflate(this, R.layout.item_allhornors1, null);           final TextView tv_sn0 = (TextView) smallView.findViewById(R.id.tv_allhornors_sn0);           TextView tv_sn1 = (TextView) smallView.findViewById(R.id.tv_allhornors_sn1);            //顺带在这里就直接添加点击事件的监听           if (j < festivalsList.size() - 1) {             setListener(tv_sn0, tv_sn1);           }            //装配左边的数据           honorName0 = festivalsList.get(j).getFestivalName();           tv_sn0.setText(honorName0);            //判读越界否           if (j < festivalsList.size() - 1) {             //装配右边的数据             honorName1 = festivalsList.get(j + 1).getFestivalName();             tv_sn1.setText(honorName1);           }            //添加进去           allhonor_hscroll.addView(smallView);         }       }     } 

private void setListener(final TextView tv_sn0, final TextView tv_sn1) {     //给左边的TextView 设置监听     tv_sn0.setOnClickListener(new View.OnClickListener() {       @Override       public void onClick(View view) {         Toast.makeText(MainActivity.this, "" + tv_sn0.getText(), Toast.LENGTH_SHORT).show();       }     });      //给右边的TextView 设置监听     tv_sn1.setOnClickListener(new View.OnClickListener() {       @Override       public void onClick(View view) {         Toast.makeText(MainActivity.this, "" + tv_sn1.getText(), Toast.LENGTH_SHORT).show();       }     });   }