- //ExpandableListView的Adapter
- public class ExpandableAdapter extends BaseExpandableListAdapter
- {
- Activity activity;
-
- public ExpandableAdapter(Activity a)
- {
- activity = a;
- }
- public Object getChild(int groupPosition, int childPosition)
- {
- return childArray.get(groupPosition).get(childPosition);
- }
- public long getChildId(int groupPosition, int childPosition)
- {
- return childPosition;
- }
- public int getChildrenCount(int groupPosition)
- {
- return childArray.get(groupPosition).size();
- }
- public View getChildView(int groupPosition, int childPosition,
- boolean isLastChild, View convertView, ViewGroup parent)
- {
- String string = childArray.get(groupPosition).get(childPosition);
- return getGenericView(string);
- }
- // group method stub
- public Object getGroup(int groupPosition)
- {
- return groupArray.get(groupPosition);
- }
- public int getGroupCount()
- {
- return groupArray.size();
- }
- public long getGroupId(int groupPosition)
- {
- return groupPosition;
- }
- public View getGroupView(int groupPosition, boolean isExpanded,
- View convertView, ViewGroup parent)
- {
- String string = groupArray.get(groupPosition);
- return getGenericView(string);
- }
- // View stub to create Group/Children 's View
- public TextView getGenericView(String string)
- {
- // Layout parameters for the ExpandableListView
- AbsListView.LayoutParams layoutParams = new AbsListView.LayoutParams(
- ViewGroup.LayoutParams.FILL_PARENT, 64 );
- TextView text = new TextView(activity);
- text.setLayoutParams(layoutParams);
- // Center the text vertically
- text.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
- // Set the text starting position
- text.setPadding(36 , 0 , 0 , 0 );
- text.setText(string);
- return text;
- }
- public boolean hasStableIds()
- {
- return false ;
- }
- public boolean isChildSelectable(int groupPosition, int childPosition)
- {
- return true ;
- }
- }
|