Eric Eric - 1 year ago 148
Objective-C Question

Install/Uninstall constraint programmatically

Is there a way to install and uninstall an Xcode interface builder


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Answer Source

Connect the IBOutlet for the NSLayoutConstraint by CTRL+click the constraint and drag it to the viewController (for ex. @property (weak, nonatomic) IBOutlet NSLayoutConstraint *constraint;).

For removing the constraint:

[self.view removeConstraint:constraint]

for installing the constraint:

[self.view addConstraint:constraint]
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