> On Jul 29, 2014, at 2:34 AM, "Gerriet M. Denkmann" <gerr...@mdenkmann.de> 
> wrote:
> 
> I have a UIToolbar which contains a UISlider, flanked by two flexible spaces.
> I would like to have this slider to be as big as possible.
> Setting it's width does not make sense, as the UIToolbar width changes, 
> depending on device and orientation.
> 
> And setting constraints on the slider seems to be impossible (Xcode 6 beta 4).
> 
> Any ideas?

You need to put your slider inside of a subclass of UIView whose implementation 
of -sizeThatFits: returns an appropriate value.

In our document-based iPad apps, we use this technique to put a “Sync” button 
adjacent to the document title.

Here’s the source code to our implementation: 
https://github.com/omnigroup/OmniGroup/blob/master/Frameworks/OmniUI/iPad-Document/OUIDocumentTitleView.m

--Kyle Sluder

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