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iosobjective-cautolayout

Relative position unreliable on embedded view

enter image description hereI have a viewcontroller. On my storyboard I have dragged a TextField onto it. In my code, I define a rect, that needs to be positioned relative to the text field, as follows:

CGRect autocompleteRect = CGRectMake(schoolField.frame.origin.x, schoolField.frame.origin.y + 70, schoolField.frame.size.width,autocompleteTableView.contentSize.height);

That works fine, until I embed my TextField in a UIView. The UIView itself is managed by auto layout to be positioned in the center of the Controllers .view.

I would say, that this should not be of any influence to the relative postion of my rect. However, it is:

Since the embedding of the TextField in a UIView, my rect is positioned differently, also depending on the screen size of the device I'm running it on.

So, I guess it's got something to do with AutoLayout,but I wouldn't know what I should tell my app to behave the way I want it to.

Thanks for your insights.

Solution

  • autocompleteRect is a rect inside CredentialsContainer, but you use it for a view which has been contained by UIViewController's view. That's why your autocompleteRect has wrong position when you use.

    To solve issue, you need to add the view which will use autocompleteRect to CredentialsContainer.

    Hope this can make you more clearly.