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| func logViewHierarchy(view: UIView) -> String { | |
| var viewsPrinted = Set<UIView>() | |
| var result: String = "" | |
| func printViews(_ view: UIView, level: Int) { | |
| guard !viewsPrinted.contains(view) else { return } | |
| let padString = String(repeating: " | ", count: level) | |
| result += ("\(padString) \(type(of: view))\n") | |
| viewsPrinted.insert(view) | |
| for subview in view.subviews { | |
| printViews(subview, level: level + 1) | |
| } | |
| } | |
| printViews(view, level: 0) | |
| return result | |
| } |
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