Gallery 的 Demo(14)

            TextView textView = getGenericView(); 
            textView.setText(getGroup(groupPosition).toString()); 
            return textView; 
        } 
 
        @Override 
        public boolean hasStableIds() { 
            return true; 
        } 
 
        @Override 
        public boolean isChildSelectable(int groupPosition, int childPosition) { 
            return true; 
        } 
                 
        // 获取某一项的 View 的逻辑 
        private TextView getGenericView() { 
            AbsListView.LayoutParams lp = new AbsListView.LayoutParams( 
                    ViewGroup.LayoutParams.FILL_PARENT, 48); 
            TextView textView = new TextView(_ExpandableList.this); 
            textView.setLayoutParams(lp); 
            textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT); 
            textView.setPadding(32, 0, 0, 0); 
            return textView; 
        } 
    } 
}