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問題:我試圖讓手柄導航控制器在我的ViewController但它總是返回nil,下面是我的代碼self.navigationController總是返回零用故事板故事情節導航
層次:AppDelegate中 - > MainStoryboard - >導航抽屜 - > TestingStoryboard - >測試
從抽屜式導航我打開viewControl如下:
self.openNewStoryBoard(storyBoard: "testingone", scene: "initial")
func openNewStoryBoard(storyBoard:String, scene:String){
let storyboard = UIStoryboard(name: storyBoard, bundle: nil)
let controller = storyboard.instantiateViewController(withIdentifier: scene) as UIViewController
self.present(controller, animated: true, completion: nil)
}
我有一個navigationcontroller我「testingone」storyboard通過關係 - 「根視圖控制器」連接到viewController「初始化」到「viewController」,連接到testtingone類
在代碼(testingOne)類中,我試圖獲取句柄navigationcontroller如下:
self.rootNav = self.navigationController!
但它最終總是零
我錯過了,完全感謝 – Wills
不客氣:) –