出现以下错误的解决方案 Assigning to ‘id<UINavigationControllerDelegate,UIImagePickerControllerDelegate…

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出现以下错误一般都是却少继承


Assigning to ‘id<UINavigationControllerDelegate,UIImagePickerControllerDelegate>’ from incompatible


解决方案在.h 中 

@interface ViewController : UIViewController 后面增加

<UIImagePickerControllerDelegate, UINavigationControllerDelegate>

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