Xcode 4 Interface Builder：如何设置文件的所有者
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Xcode 4 Interface Builder: How to set File's Owner
提问by Haoest
I have myController.h and myController.m defined, and proceeded to create a myController.xib with the Wizard. I can't, however, connect the controls from the xib file to the class interface. Usually when I drop the connection cross hair on the File's Owner icon, it'll show me a list of properties that have been declared as IBOutlet, but this time it's just nothing.
我定义了 myController.h 和 myController.m，然后继续使用向导创建一个 myController.xib。但是，我无法将 xib 文件中的控件连接到类接口。通常，当我将连接十字线放在 File's Owner 图标上时，它会向我显示已声明为 IBOutlet 的属性列表，但这次什么都没有。
I thought the names of the class files and XIB file (myController) automatically binds File's Owner, but apparently that is not the case.
我认为类文件和 XIB 文件（myController）的名称会自动绑定文件的所有者，但显然情况并非如此。
How can I manually bind the two?
如何手动绑定两者？
回答by Deepak Danduprolu
Go to the Identity Inspector(Cmd+Option+3) and change the class to myController.
转到Identity Inspector(Cmd+Option+3) 并将类更改为myController.
回答by Patrice Gagnon
Here it is in 5.1:
这是 5.1：
I thought I would add this screenshot as it took me some time to find it!
我想我会添加这个截图，因为我花了一些时间才找到它！
回答by jeet.chanchawat
I found a way to do it manually... When the world is not using XIB(s) anymore... Open the XIB or NIB file in your favourite text editor
我找到了一种手动完成的方法...当世界不再使用 XIB 时...在您喜欢的文本编辑器中打开 XIB 或 NIB 文件
you will find this line there...
你会在那里找到这条线...
<placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="MyClassName">
Change the MyClassNameto the class you want to refer it to, save the file and your file's owner will be changed.
Caution: Close Xcode (To auto reload the changes) and also take a backup in case you mess up something.
将 更改为MyClassName您想要引用的类，保存文件，您的文件所有者将被更改。注意：关闭 Xcode（自动重新加载更改）并备份以防万一。
回答by guitar_freak
Had the same question... XCode 4.2 enables to create a subclass of UIViewController and there you can optionally check the "with XIB for user interface" option.
有同样的问题... XCode 4.2 可以创建 UIViewController 的子类，您可以选择选中“使用 XIB 用于用户界面”选项。
New File... >> UIViewControler subclass >> "with xib..."
新文件... >> UIViewControler 子类 >> "with xib..."
回答by Tom
I've experienced the same issue while in Xcode 4: while trying to make a connection to file's owner, the icon did not respond while dragging the connection line and hovering over file's owner. Resetting the custom class didn't work. I ended up trying quitting and restarting Xcode and only this did the trick.
我在 Xcode 4 中遇到了同样的问题：在尝试与文件所有者建立连接时，图标在拖动连接线并将鼠标悬停在文件所有者上时没有响应。重置自定义类不起作用。我最终尝试退出并重新启动 Xcode，只有这样才能成功。
