CODEWITHSUNDEEP
iosiphoneobjective-cuitableviewuistoryboard
ageektrapped
ageektrapped

Reputation: 14562

Dynamically resize UITableView in UIViewController created in Storyboard

In a UIViewController on a storyboard, I have a UITableView that is sized specifically to have two rows in one section with no header or footer, i.e. the height is 88.0f. There are some cases when I want to add a third row. So in viewWillAppear:animated: (and other logical places) I set the frame to be 44.0f logical pixels higher:

CGRect f = self.tableView.frame;
self.tableView.frame = CGRectMake(f.origin.x, f.origin.y, f.size.width, f.size.height + 44.0f);
NSLog(@"%@",NSStringFromCGRect(self.tableView.frame));

Nothing controversial; pretty standard resize code, and yet... It doesn't work! The tableView height doesn't change visually. The NSLog statement reports the height I expect (132.0f). Is this because I'm using Storyboards? I'm not sure why this isn't working.

Upvotes: 6

Views: 4805

Answers (3)

novalagung
novalagung

Reputation: 11502

recently I'm try to do what you've do. And I got same problem, tableview height won't change. Now I got the solution, you need to call layoutSubviews after change the frame. And it work on me.

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];

    tableView.frame = CGRectMake(tableView.frame.origin.x, tableView.frame.origin.y, tableView.frame.size.width, tableView.frame.size.height + 44.);
    [tableView layoutSubviews];
}

don't place it in viewDidLoad or viewWillAppear: because even layoutSubviews is called, the frame won't change. place it on viewDidAppear:

Upvotes: 0

Zeb
Zeb

Reputation: 1725

You can modify the frame only after the call to layoutSubviews is made, which occurs after viewWillAppear. After layoutSubviews is called on the UIVIew you can change the dimensions.

As Gavin suggests, if you have the autolayout enabled you can add the constrains to the UITableView via storyboard, connect the height constraint and modify its value as follow:

constraint.constant = 132.0f

Otherwise if you have the autolayout disabled you can simply change the frame updating the height, but putting the code in a different method, for example viewDidLoad:.

Upvotes: 0

Gavin
Gavin

Reputation: 8200

Set an auto layout constraint for the height of the table view in your storyboard. Then connect the constraint to an outlet in your view controller so you can access the constraint in your code. Have the constraint be set to 88. When you want to change the height of the table view, just change the constraint's constant to 132.

Upvotes: 14

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