我没有启用情节提要。我正在像这样初始化视图控制器:
var customViewController = CustomViewController();
然后这样做说customViewController
是零:
self.navigationController!.pushViewController(customViewController, animated: true)
我尝试并成功
import Foundation
class MyCustomViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = UIColor.redColor()
}
}
并推
var customViewController = MyCustomViewController()
self.navigationController?.pushViewController(customViewController, animated: true)
您的CustomViewController中有东西吗?
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