This is application lifecycle investigation. The general idea is to log max number of events to console to clear understand app launching process. If you know how to log more events please open an issue.
π±- Device
π²- Window
π€΄πΏ- ViewController
π―π― - ViewController.view
πΈπΈπΈ - View Controller.view.view
π¦π¦π¦π¦ - View Controller.view.view.view
π
- view layer
βοΈ - didFinishLaunchingWithOptions
π€΄πΏ loadView
π―π― - init(frame: (0.0, 0.0, 100.0, 100.0)
π€΄πΏ viewDidLoad
πΈπΈπΈ - init(frame: (0.0, 0.0, 100.0, 100.0)
π¦π¦π¦π¦ - init(frame: (5.0, 5.0, 50.0, 50.0)
π―π― - frame changed: (0.0, 0.0, 414.0, 896.0)
π€΄πΏ viewWillAppear
π―π― - setNeedsLayout
π―π― - layoutMarginsDidChange
π€΄πΏ viewLayoutMarginsDidChange
π―π― - safeAreaInsetsDidChange
π€΄πΏ viewSafeAreaInsetsDidChange
βοΈ - applicationDidBecomeActive
π²π
- layoutSublayers
π² - layoutSubviews
π―π―π
- layoutSublayers
π€΄πΏ viewWillLayoutSubviews
π―π― - layoutSubviews
πΈπΈπΈ - setNeedsLayout
πΈπΈπΈ - layoutMarginsDidChange
πΈπΈπΈ - safeAreaInsetsDidChange
π€΄πΏ viewDidLayoutSubviews
πΈπΈπΈπ
- layoutSublayers
πΈπΈπΈ - layoutSubviews
π¦π¦π¦π¦ - setNeedsLayout
π¦π¦π¦π¦ - layoutMarginsDidChange
π¦π¦π¦π¦ - safeAreaInsetsDidChange
π¦π¦π¦π¦π
- layoutSublayers
π¦π¦π¦π¦ - layoutSubviews
πΈπΈπΈπ
- layoutSublayers
πΈπΈπΈ - layoutSubviews
π¦π¦π¦π¦π
- layoutSublayers
π¦π¦π¦π¦ - layoutSubviews
π² - display
π―π―π
- display
πΈπΈπΈπ
- display
π¦π¦π¦π¦π
- display
π²π
- layoutSublayers
π² - layoutSubviews
π² - updateConstraints
π²π
- layoutSublayers
π² - display
π€΄πΏ viewDidAppear
π± Device rotation --------------------
π―π― - frame changed: (0.0, 0.0, 896.0, 414.0)
π―π― - setNeedsLayout
π²π
- layoutSublayers
π² - layoutSubviews
π―π― - setNeedsLayout
π―π― - layoutMarginsDidChange
π€΄πΏ viewLayoutMarginsDidChange
π―π― - safeAreaInsetsDidChange
π€΄πΏ viewSafeAreaInsetsDidChange
π―π―π
- layoutSublayers
π€΄πΏ viewWillLayoutSubviews
π―π― - layoutSubviews
πΈπΈπΈ - setNeedsLayout
πΈπΈπΈ - layoutMarginsDidChange
πΈπΈπΈ - safeAreaInsetsDidChange
π€΄πΏ viewDidLayoutSubviews
π²π
- layoutSublayers
π² - layoutSubviews
π―π―π
- layoutSublayers
π€΄πΏ viewWillLayoutSubviews
π―π― - layoutSubviews
π€΄πΏ viewDidLayoutSubviews
πΈπΈπΈπ
- layoutSublayers
πΈπΈπΈ - layoutSubviews
π¦π¦π¦π¦ - setNeedsLayout
π¦π¦π¦π¦ - layoutMarginsDidChange
π¦π¦π¦π¦ - safeAreaInsetsDidChange
π¦π¦π¦π¦π
- layoutSublayers
π¦π¦π¦π¦ - layoutSubviews
π²π
- layoutSublayers
π² - layoutSubviews
π²π
- layoutSublayers
π² - layoutSubviews
π²π
- layoutSublayers
π² - layoutSubviews
π²π
- layoutSublayers
π² - layoutSubviews
π―π―π
- display