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我是新来的迅速,在一个推送通知的点击,我试图打开一个VC,这里是代码添加一个UIButton到的导航栏RootViewController的
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main",bundle: nil)
let detailVC = mainStoryboard.instantiateViewControllerWithIdentifier("DetailsViewController") as! DetailsViewController
detailVC.eventId = eventId
let navigationController = UINavigationController(rootViewController:detailVC)
let myButton = UIButton()
myButton.titleLabel!.frame = CGRectMake(15, 54, 300, 500)
myButton.titleLabel!.text = "Button Label"
myButton.titleLabel!.textColor = UIColor.redColor()
myButton.titleLabel!.textAlignment = .Center
navigationController.navigationBar.addSubview(myButton)
self.window?.rootViewController = navigationController
现在用VC的导航栏顶部打开,但我没有看到添加任何按钮。所以我想知道我错在哪里。
基于@Hugo REPONSE
我更新viewDidLoad中的代码
let btnName = UIButton()
//btnName.setImage(UIImage(named: "imagename"), forState: .Normal)
btnName.titleLabel?.text = "Test"
btnName.titleLabel?.textColor = UIColor.whiteColor()
btnName.frame = CGRectMake(0, 30, 30, 30)
btnName.addTarget(self, action: Selector("action"), forControlEvents: .TouchUpInside)
//.... Set Right/Left Bar Button item
let rightBarButton = UIBarButtonItem()
rightBarButton.customView = btnName
self.navigationItem.rightBarButtonItem = rightBarButton
但仍没有运气
问候 兰吉特
您好@Hugo Tunius感谢。我试过你的逻辑,但我没有看到任何按钮 – Ranjit
你不能使用'UIButton'需要'UIBarButtonItem' –
或者很好的customView可能实际上工作 –