ZHAutoLinesLabel is a subclass of UILabel, support contentInset and automatic multiple lines
I love Autolayout, for label, I offen do this:
self.setContentCompressionResistancePriority(1000, forAxis: .Horizontal)
self.setContentCompressionResistancePriority(1000, forAxis: .Vertical)
self.setContentHuggingPriority(1000, forAxis: .Horizontal)
self.setContentHuggingPriority(1000, forAxis: .Vertical)
If we set numberOfLines = 0, label will automatically resize it approtiately.
I love Interface Builder, I offen set these four priorities in IB like this
However, there's a property preferredMaxLayoutWidth, in IB, it's
This can be automatic only for iOS8, which means the value will be equal to view's width.
If our project supports for iOS7 or iOS6, we will have a warning:
Main.storyboard: warning: Attribute Unavailable: Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
we have to give it an explicit value in IB to get rid of it. If we want it's automatic, we have to link this label, then update preferredMaxLayoutWidth in code. This is trivial.
To let iOS7 have same behavior like iOS8 and get rid of this kind of warning, I created this label.
What you need to do is always set preferredMaxLayoutWidth explicitly and it will work automatically.
(Better to choose same width value as label, this will give you correct layout in IB)
Sometimes, we want label to have a background and margin around it. One way is to creat a container view and add a lable on that, this is bad in IB or code.
ZHAutoLinesLabel has a new property contentInset: UIEdgeInsets, same with UITextView, also, it works with Autolayout.
The MIT License (MIT) Copyright (c) 2014 Honghao Zhang
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