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android expandablelistview can not use notifyDataSetChanged()?

i want to refresh my e开发者_开发技巧xpandablelistview , but it seems there is no way to use notifyDataSetChanged()??

how can i refresh my expandablelistview?? thx


Have your adapter extend BaseExpandableListAdapter or one of its subclasses. This class has the notifyDataSetChanged method in it.


Why not notifyDataSetChanged()?

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