回答編集履歴
1
訂正
answer
CHANGED
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@@ -9,6 +9,7 @@
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9
9
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10
10
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override func viewDidLoad() {
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11
11
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super.viewDidLoad()
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12
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+
print("ViewController/viewDidLoad") // ②
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12
13
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}
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}
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15
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@@ -17,13 +18,19 @@
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17
18
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override func viewDidLoad() {
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super.viewDidLoad()
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print("subVC/viewDidLoad: (String(describing: (parent as? ViewController)?.str))")
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20
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-
// => nil
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21
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+
// ① => nil
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21
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}
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22
23
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23
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-
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24
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+
override func viewWillAppear(_ animated: Bool) {
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25
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super.viewWillAppear(animated)
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24
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-
print("subVC/
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26
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print("subVC/viewWillAppear: (String(describing: (parent as? ViewController)?.str))")
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25
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-
// => parent
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27
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+
// ③ => parent
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}
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29
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+
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30
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override func viewDidAppear(_ animated: Bool) {
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31
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super.viewDidAppear(animated)
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32
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print("subVC/viewDidAppear: (String(describing: (parent as? ViewController)?.str))")
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33
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// ④ => parent
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34
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}
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27
35
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}
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28
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-
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29
36
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```
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