Ios – How to scroll to top in IOS7 UITableView

iosios7uitableview

In IOS6 I have the following code to scroll to the top of a UITableView

[tableView setContentOffset:CGPointZero animated:YES];

In IOS7 this doesn't work anymore. The table view isn't scrolled completely to the top (but almost).

Best Answer

In iOS7, whole screen UITableView and UIScrollView components, by default, adjust content and scroll indicator insets to just make everything work. However, as you've noticed CGPointZero no longer represents the content offset that takes you to the visual "top".

Use this instead:

self.tableView.contentOffset = CGPointMake(0, 0 - self.tableView.contentInset.top);

Here, you don't have to worry about if you have sections or rows. You also don't tell the Table View to target the first row, and then wonder why it didn't show all of your very tall table header view, etc.

Related Solutions

Ios – How to disable the UITableView selection

All you have to do is set the selection style on the UITableViewCell instance using either:

Objective-C:

cell.selectionStyle = UITableViewCellSelectionStyleNone;

[cell setSelectionStyle:UITableViewCellSelectionStyleNone];

Swift 2:

cell.selectionStyle = UITableViewCellSelectionStyle.None

Swift 3 and 4.x:

cell.selectionStyle = .none

Further, make sure you either don't implement -tableView:didSelectRowAtIndexPath: in your table view delegate or explicitly exclude the cells you want to have no action if you do implement it.

More info here and here

Ios – UITableView – scroll to the top

UITableView is a subclass of UIScrollView, so you can also use:

[mainTableView scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:YES];

[mainTableView setContentOffset:CGPointZero animated:YES];

And in Swift:

mainTableView.setContentOffset(CGPointZero, animated:true)

And in Swift 3 & above:

mainTableView.setContentOffset(.zero, animated: true)

Best Answer

Related Solutions

Ios – How to disable the UITableView selection

Ios – UITableView – scroll to the top

Related Topic