首先需要在layout下的某个xml文件中申明ExpandableView节点
- <ExpandableListView Android:id="@+id/ExpandableListView_Section"
- android:layout_width="fill_parent" android:layout_height="wrap_content"
- android:clickable="false" android:divider="#FFCECFCE"
- android:dividerHeight="1.0dp" android:fadingEdge="vertical"
- android:background="#FFFFFFFF" android:childDivider="#FFCECFCE"
- android:cacheColorHint="#00000000">
- </ExpandableListView>
然后在代码中取到该view
- expLV = (ExpandableListView) mLayout.findViewById(R.id.ExpandableListView_Section);
然后设置他的adapter
- expLV.setAdapter(adapter);
这样就可以了。
- /**扩展baseExpandableAdapter用于展示二级列表使用*/
- public class MyExpandableListAdapter extends BaseExpandableListAdapter{
- private LayoutInflater mInflater;
- private List<KnowledgeCatalogInfo> KnowledgeCatalogInfos;
- public MyExpandableListAdapter(Context context , List<KnowledgeCatalogInfo> KnowledgeCatalogInfos){
- this.mInflater = LayoutInflater.from(context);
- this.KnowledgeCatalogInfos = KnowledgeCatalogInfos;
- }
- public MyExpandableListAdapter(Context context){
- this.mInflater = LayoutInflater.from(context);
- }
- @Override
- public int getGroupCount() {
- }
- @Override
- public int getChildrenCount(int groupPosition) {
- }
- @Override
- public Object getGroup(int groupPosition) {
- return this.KnowledgeCatalogInfos.get(groupPosition);
- }
- @Override
- public Object getChild(int groupPosition, int childPosition) {
- return null;
- }
- @Override
- public long getGroupId(int groupPosition) {
- return groupPosition;
- }
- @Override
- public long getChildId(int groupPosition, int childPosition) {
- return childPosition;
- }
- @Override
- public boolean hasStableIds() {
- return true;
- }
- @Override
- public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
- return view;
- }
- @Override
- public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
- return view;
- }
- @Override
- public boolean isChildSelectable(int groupPosition, int childPosition) {
- return true;
- }
- /**
- * 获得展示的VIEW
- * @return
- */
- public View getGenericView(){
- View view = this.mInflater.inflate(R.layout.practise_section_group_item_layout, null);
- return view;
- }
- }