回答編集履歴
4
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test
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@@ -24,7 +24,7 @@
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回答追記
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回答追記1
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---
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@@ -53,3 +53,49 @@
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```
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回答追記2
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---
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viewControllerBが含まれていない場合にViewControllerBを作成してViewControllersを設定しなおす。
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```swift
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if let navi = navigationController {
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for vc in navi.viewControllers {
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if vc is ViewControllerB {
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navi.popToViewController(vc, animated: true)
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}
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}
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// ViewControllersに `B`が含まれていない場合
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if let viewControllerA = navi.viewControllers.first,
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let viewControllerB = storyboard?.instantiateViewController(withIdentifier: "viewControllerB") {
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navigationController?.setViewControllers([viewControllerA,
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viewControllerB], animated: true)
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}
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```
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3
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test
CHANGED
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@@ -21,3 +21,35 @@
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}
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```
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回答追記
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---
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特定の`ViewController`に遷移したい場合は`viewcontrollers`の中にその`viewController`が含まれているか確認して含まれていればそこに遷移するようにします。
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```swift
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if let navi = navigationController {
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for vc in navi.viewControllers {
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if vc is ViewControllerC {
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navi.popToViewController(vc, animated: true)
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}
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}
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}
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```
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2
ｓ
test
CHANGED
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@@ -6,10 +6,18 @@
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6
6
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7
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`NavigationController`にぶら下がっている`ViewController`は`navigationController.viewControllers`で取得できるので戻りたい`ViewController`を指定して戻る。
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9
13
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```swift
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10
14
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if let navi = navigationController,
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let firstVC = navi.viewControllers.first {
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13
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navi
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navi.popToViewController(firstVC, animated: true)
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}
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15
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```
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1
s
test
CHANGED
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@@ -8,6 +8,8 @@
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8
8
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9
9
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```swift
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10
10
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11
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// NavigationControllerにぶら下がっているViewControllerを指定して戻る
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11
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navigationController?.popToViewController(navigationController!.viewControllers[1], animated: true)
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12
14
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15
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```
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