Ios 将按钮添加到本机工具栏
我有以下代码Ios 将按钮添加到本机工具栏,ios,swift,uinavigationcontroller,uitoolbar,Ios,Swift,Uinavigationcontroller,Uitoolbar,我有以下代码 final class MyViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate, /*..*/ { // // Declaring local variables, other controllers and delegates etc. // override func viewDidLoad() {
final class MyViewController: UIViewController,
UICollectionViewDataSource, UICollectionViewDelegate, /*..*/ {
//
// Declaring local variables, other controllers and delegates etc.
//
override func viewDidLoad() {
super.viewDidLoad()
let item = UIBarButtonItem(title: "A button that should do nothing",
style: .Plain, target: nil, action: nil)
self.navigationController!.toolbar.items = [item]
self.navigationController!.toolbarHidden = false
}
// the rest of my code
}
无论我做什么,工具栏都会出现,但里面什么都不会呈现
我也试过了
self.navigationController?.toolbarItems?.insert(item, atIndex: 0)
要做的项目插入,但仍然没有运气
我做错了什么?通过添加项目修复
self.toolbarItems = [item]