[英]Can't create IBOutlet for UIBarButtonItem in a UIViewController
I'm trying to create an IBoutlet from a UIBarButtonItem to a UIViewController, but when ctrl+clicking and dragging to the controller, I see no indicator whatsoever, and thus it's impossible to create it.我正在尝试创建一个从 UIBarButtonItem 到 UIViewController 的 IBoutlet,但是当 ctrl+单击并拖动到控制器时,我看不到任何指示器,因此无法创建它。 Not sure what I'm doing wrong.
不知道我做错了什么。
Here's the screenshot, in case it could clear something up:这是屏幕截图,以防万一它可以清除某些内容:
Thanks a lot in advance!非常感谢!
EDIT: I also tried to create the IBOutlet manually with @property (weak,nonatomic) IBOutlet UIBarButtonItem *barButtonItem;
编辑:我还尝试使用
@property (weak,nonatomic) IBOutlet UIBarButtonItem *barButtonItem;
手动创建IBOutlet @property (weak,nonatomic) IBOutlet UIBarButtonItem *barButtonItem;
and then ctrl+clicking and dragging, but same result.然后ctrl+单击并拖动,但结果相同。
I was able to create a UIBarButtonItem IBOutlet我能够创建一个 UIBarButtonItem IBOutlet
@property (nonatomic, weak) IBOutlet UIBarButtonItem *cameraLibraryToggleButton;
I do not think you can create an IBOutlet for a UIBarButtonItem
... Instead create a IBOutlet for your UIToolbar
and give your UIBarButtonItem
a tag of 1. Next use this code:我不认为你可以为
UIBarButtonItem
创建一个 IBOutlet ......而是为你的UIToolbar
创建一个 IBOutlet 并给你的UIBarButtonItem
一个标签 1。接下来使用这个代码:
for(UIBarButtonItem *button in self.toolBar.items)
{
if(button.tag == 1)
{
UIBarButtonItem *newButton = button; //Your UIBarButton
//Do whatever you want with it.
}
}
if u used story board then select UIBarButtonItem item and just put on the view controller.then, set IBOutlet.如果您使用故事板,则选择 UIBarButtonItem 项并放在视图控制器上。然后,设置 IBOutlet。 try this
试试这个
确保您已将类(例如 .UIViewController)分配给您的故事板
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