最近在開發項目中遇到了實現類似淘寶首頁的需求，使用listView可以解決，在此記錄一下。

實現步驟：

• 重寫 getViewTypeCount() – 返回你有多少個不同的布局
• 重寫 getItemViewType(int) – 由position返回view type id
• 根據view item的類型，在getView中創建正確的convertView

下面是代碼示例：

Activity:

HomeItem jchdItem = new HomeItem(); jchdItem.setItemType(ItemType.JCHD); homeItems.add(jchdItem);
HomeItem yhhdItem = new HomeItem(); yhhdItem.setItemType(ItemType.YHHD_LIST); List<YhhdBean> yhhdLists = new ArrayList<>(); for (int i = 0; i < privilege.size(); i++) {JSONObject object2 = privilege.getJSONObject(i);YhhdBean yhhdList = new YhhdBean();yhhdLists.add(yhhdList); } yhhdItem.setYhhdLists(yhhdLists); homeItems.add(yhhdItem); adapter = new HomeAdapter(getActivity(), homeItems); lv_home_list.setAdapter(adapter);

layout:

<ListViewandroid:id="@+id/lv_home_list"android:layout_width="match_parent"android:layout_height="0dp"android:layout_weight="1"android:divider="@null"android:overScrollMode="never"android:scrollbars="none" />

Adapter：

public class HomeAdapter extends BaseAdapter {private Context context;private List<HomeItem> list;private final static int JCHD = 3;private final static int YHHD_LIST = 4;public HomeAdapter(Context context, List<HomeItem> list) {this.context = context;this.list = list;}@Overridepublic int getCount() {return list != null ? list.size() : 0;}@Overridepublic Object getItem(int i) {return list == null ? null : list.get(i);}@Overridepublic long getItemId(int i) {return i;}@Overridepublic View getView(int i, View view, ViewGroup viewGroup) {HomeItem homeItem = list.get(i);LayoutInflater inflater = LayoutInflater.from(context);YhhdHodlder yhhdHodlder;YhhdListHolder yhhdListHolder;int type = homeItem.getItemType().getValue();switch (type) {case JCHD:if (view == null) {view = inflater.inflate(R.layout.view_yhhd, null);yhhdHodlder = new YhhdHodlder(context, view, "精彩");view.setTag(yhhdHodlder);} else {yhhdHodlder = (YhhdHodlder) view.getTag();}break;case YHHD_LIST:if (view == null) {view = inflater.inflate(R.layout.view_main_yhhd_list, null);yhhdListHolder = new YhhdListHolder(context, view);view.setTag(yhhdListHolder);} else {yhhdListHolder = (YhhdListHolder) view.getTag();}yhhdListHolder.initView(homeItem);break;}return view;}@Overridepublic int getItemViewType(int position) {if (list != null && position < list.size()) {return list.get(position).getItemType().getValue();}return super.getItemViewType(position);}@Overridepublic int getViewTypeCount() {return 2;} } HomeItem: public class HomeItem {private ItemType itemType;private List<YhhdBean> yhhdLists;public ItemType getItemType() {return itemType;}public void setItemType(ItemType itemType) {this.itemType = itemType;}public List<YhhdBean> getYhhdLists() {return yhhdLists;}public void setYhhdLists(List<YhhdBean> yhhdLists) {this.yhhdLists = yhhdLists;}} ItemType: public enum ItemType {JCHD(3), YHHD_LIST(4); public int getValue() {return value;}private int value;ItemType(int value) {this.value = value;} }

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轉載于:https://www.cnblogs.com/chhom/p/8320667.html

總結

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