Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7(为什么在 iOS7 中我的 UITableView 顶部有额外的填充，样式为 UITableViewStyleGrouped)

问题描述

Starting in iOS7, there is additional space at the top of my UITableView's which have a style UITableViewStyleGrouped.

Here is an example:

The tableview starts at the first arrow, there are 35 pixels of unexplained padding, then the green header is a UIView returned by viewForHeaderInSection (where the section is 0).

Can anyone explain where this 35-pixel amount is coming from and how I can get rid of it without switching to UITableViewStylePlain?

Update (Answer):

In iOS 11 and later:

tableView.contentInsetAdjustmentBehavior = .never

Try changing the contentInset property that UITableView inherits from UIScrollView.

self.tableView.contentInset = UIEdgeInsetsMake(-20, 0, 0, 0);

It's a workaround, but it works

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