所以我在 XCode 4. 3 中发现, 要创建一个新的查看控制器, 我就必须做新 & gt; 目标- C 类, 然后做小类 UIVO 控制器 。 但是, 为什么xib 复选框被灰化了? 我如何用xib 创建一个新的视图控制器?
""https://i.sstatic.net/X5g4V.png" alt="此处输入图像描述"/ >
所以我在 XCode 4. 3 中发现, 要创建一个新的查看控制器, 我就必须做新 & gt; 目标- C 类, 然后做小类 UIVO 控制器 。 但是, 为什么xib 复选框被灰化了? 我如何用xib 创建一个新的视图控制器?
""https://i.sstatic.net/X5g4V.png" alt="此处输入图像描述"/ >
看起来你正试图在iOS项目中 添加 OS X 目标- C 类
""https://i.sstatic.net/ZccUG.png" alt="此处输入图像描述"/ >
产生这个...
""https://i.sstatic.net/yY0mg.png" alt="此处输入图像描述"/ >
相反,添加这样的新文件...
""https://i.sstatic.net/pBZXUB.png" alt="在这里输入图像描述"/ >
产生这个...
""https://i.sstatic.net/pt3xm.png" alt="此处输入图像描述"/ >
我不知道为什么黑字框灰色化(对我来说不会发生), 但是您总是可以直接去新文件, 从那里创建新文件, 并将其类设置为您在界面构建器中的 UIVocentral
子类 。
这是一个错误, 只要在 < strong > 组合的 < / strong > 子类中再次选择 UIView 控制器, 将会再次启用它 。
当我取消一次创作 并再次打开了对话时 发生在我身上
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