How to remove header and footer space from a UITableView?

Question

I have a UITableView in the grouped style, and only one section. However there is some blank space above and below the table view that is shown when the user scrolls too far. Ho

Answer 1

This answer comes quite late, but I hope it helps someone.

The space is there because of the UITableView's tableHeaderView property. When the the tableHeaderView property is nil Apple defaults a view. So the way around this is to create an empty view with a height greater than 0. Setting this overrides the default view thereby removing the unwanted space.

This can be done in a Storyboard by dragging a view to the top of a tableView and then setting the height of the view to a value of 1 or greater.

Or it can be done programmatically with the following code:

Objective-C:

CGRect frame = CGRectZero;
frame.size.height = CGFLOAT_MIN;
[self.tableView setTableHeaderView:[[UIView alloc] initWithFrame:frame]];

Swift:

var frame = CGRect.zero
frame.size.height = .leastNormalMagnitude
tableView.tableHeaderView = UIView(frame: frame)

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Comments

As others have noted you can use this same solution for footers.

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Sources and Acknowledgements

See the Documentation for more details on the tableHeaderView property.

Thanks to @liushuaikobe for verifying using the least positive normal number works.

My original answer: https://stackoverflow.com/a/22185534/2789144