Cannot access UIImage class without importing UIKit.h in Xcode 6?

Question

#import <Foundation/Foundation.h>

@interface FaceObject : NSObject

@property (strong, nonatomic) UIImage *image;

@end

Xcode gives an error saying "unknown type name 'UIImage' unless I import UIKit.h, but in Xcode 5 i would have not gotten this error and did not need to import UIKit -- is there any explanation for this? Am I doing something wrong? Thanks!

Check your PCH, clean or deep clean your project, erase derived data, quit and relaunch Xcode... There are many cases where Xcode loses its "import chain". — Cyrille, Oct 09 '14 at 18:32

score 8 · Answer 1 · answered Mar 28 '15 at 20:33

8

In 2015 -- still getting this error. I always forget to include

#import <UIKit/UIKit.h>

That should take care of it.

answered Mar 28 '15 at 20:33

TheRealRonDez

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score 2 · Accepted Answer · edited May 23 '17 at 12:32

2

Xcode 6 no longer includes a .pch file by default. In previous versions, that file included the UIKit import (more info here - Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?).

edited May 23 '17 at 12:32

Community

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answered Oct 09 '14 at 18:35

ryanipete

419
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Cannot access UIImage class without importing UIKit.h in Xcode 6?

2 Answers2