You want to delete sections and/or cells from table views using animations.
In order to delete sections from a table view, follow these steps:
First delete the section(s) in your data source, whether you are using a data model like Core Data or a dictionary/array.
Invoke the deleteSections:withRowAnimation:
instance method of UITableView
on your table view. The first parameter that you need to pass to
this method is of type NSIndexSet and
this object can be instantiated using the indexSetWithIndex: class method of
NSIndexSet class, where the
given index is an unsigned integer. Using this approach, you will
be able to delete only one section at a time. If you intend to
delete more than one section at a time, use the indexSetWithIndexesInRange: class method
of NSIndexSet to create the
index set using a range and pass that index set to the
aforementioned instance method of UITableView.
If you want to delete cells from your table view, follow these steps:
First, delete the cell(s) from your data source. Again, it doesn’t matter if you are using Core Data, a simple dictionary, array, or anything else. The important thing is to delete the objects that represent the table view cells from your data source.
Now in order to delete the cells that correspond to your
data objects, invoke the deleteRowsAtIndexPaths:withRowAnimation: instance method of your table view. The first parameter that you have to pass to this method is an array ...
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