[android-developers] what is the difference between notifyDataSetChanged() and notifyDataSetInvalidated() ?

Hi All,

I have a doubt that what is the difference between
adapter.notifyDataSetChanged();
adapter.notifyDataSetInvalidated();

because when i used both one by one, both worked exactly same.
Please let me know what is the exact difference between these two.

Thanks,
Sohan Badaya

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