What is the difference between notifydatasetchanged and notifydatasetinvalidated

This method is called whenever a data set monitoring change is found. What is the difference between notifydatasetinvalidated and notifydatasetchanged in Android? This article is an English version of an article which is originally in the Chinese language on aliyun.

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Active Oldest Votes. As per the documentation: public void notifyDataSetInvalidated Added in API level 1 Notifies the attached observers that the underlying data is no longer valid or available. Community Bot 1 1 1 silver badge. I can't find any invalidateData in the Android framework. Where have you seen it? For the second one, check this: stackoverflow. Most of the time you would want to use notifyDataSetChanged instead of invalidateViews, but it certainly depends on what you are trying to accomplish.

I guess you just need to call the first if notifyDataSetChanged fails and in very exceptional cases, such as you want your whole ListView layout to be recreated. The difference between notifydatasetinvalidated and notifydatasetchanged Last Update Source: Internet Author: User.

The following are the main differences: Notifydatasetinvalidated , redraw the control revert to initial state Notifydatasetchanged , redraw the currently visible area The difference between notifydatasetinvalidated and notifydatasetchanged. Related Keywords: difference between abstraction and inheritance difference between array and structure difference between attribute and property difference between cdt and pst difference between chop and chomp difference between codeigniter and cakephp difference between constructors and destructors.

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