How do you debug Auto Layout: conflict logs, View Debugger and identifier?
The gist
Debugging Auto Layout comes down to three questions: which constraints conflict, where they came from, and what is missing. The answers come from the Unable to simultaneously satisfy constraints log, a symbolic breakpoint, the View Debugger in Xcode and a few debugging methods on UIView. The clearer the names of constraints and views, the faster the log reads.
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