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Ios Cannot Find Protocol Definition


Not the answer you're looking for? Instead of importing MainViewController.h in ControlPanel.h, just add a forward declaration of the class(es) you need to reference to the file: // ControlPanel.h #import #import "Connection.h" @class MainViewController; @protocol ControlDelegate MobileDevHQ Sign In · Register Home › iOS SDK Development Forums › iOS SDK Development Advertise here Advertise here Howdy, Stranger! Post edited by Dr.Lightning on August 20100 · Replies ole Posts: 14Registered Users February 2010 edited February 2010 You should remove the duplicate protocol declaration and yes, I'd say the circular this content

It looks like you're new here. Will boring a cylinder affect its longevity thereafter? Well, Uli was wrong in implying that the compiler *has* to know the definition of the protocol. I've been moving forward with the warning, because it allows me to make progress on my development. my site

@implementation Declaration Cannot Be Protocol Qualified

Will boring a cylinder affect its longevity thereafter? E.g., in my .h file I might have , ideally I want to put ALL the delegates there. Reload to refresh your session. Thanks abhinavn commented Oct 3, 2013 The header file referred in ../Git/ioctocat/Classes/IOCMenuController.m:26:9 is throwing error, if it helps I am running on simulator ioctocat owner dennisreimann commented Oct 3, 2013 That's

I just tried this, and it gives me a warning: // t.m #import @protocol FooProto; @interface SomeClass : NSObject @end @implementation SomeClass @end int main(int argc, char **argv) { Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. YYYHighEnergyProduct.h tries to #import "YYYProductInfo.h" and depends on definitions made there, while YYYProductInfo tries to #import "YYYHighEnergyProduct.h" and depends again on those definitions. Cannot Find Protocol Declaration Swift Especially since current advice is to make all your protocols conform to . --Kyle Sluder Jens Alfke Re: Xcode warns about missing protocol definition, even though @protocol is used May 04

Why are wavelengths shorter than visible light neglected by new telescopes? Warnings are there for a reason. GestureView.h #import @protocol GestureViewDelegate @required - (void)GestureView:(GestureView*)view handleSignleTap:(UITapGestureRecognizer*)recognizer; @end @interface GestureView : UIView - (void)initialiseGestures:(id)delegate; @end ContainerView.h #import @class DividerView; @class GestureView; /*@protocol GestureViewDelegate;*/ //NO NEED TO WRITE Code below..

But even that's not good enough, because it would make it impossible to implement a proxy class that claims to conform to a protocol but actually forwards the messages to the Cannot Find Protocol Declaration For Cllocationmanagerdelegate It was the recursive imports. more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation C++ calculator using classes US Election results 2016: What went wrong with prediction models?

Cannot Find Protocol Definition Swift

Possible repercussions from assault between coworkers outside the office Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Check This Out Already have an account? @implementation Declaration Cannot Be Protocol Qualified You can implement them in the header file declaration itself! Xcode Cannot Find Protocol Declaration How to reply?

Perhaps its some "import" feature I don't understand. news Not the answer you're looking for? Interestingly this warning only occurs if the corresponding delegate is declared in another file (whose header is imported in the .m-file). Of course you can then remove the import from HomeTableViewController.m share|improve this answer edited Apr 3 '12 at 10:53 answered Apr 3 '12 at 10:13 David Downes 454313 2 I Cannot Find Protocol Declaration For Delegate Ios

the warning. We recommend upgrading to the latest Safari, Google Chrome, or Firefox. Is this really the way to go? http://urldt.com/cannot-find/ie6-cannot-find-server-or.html You signed in with another tab or window.

It seems I'm d*mned if I do, and d*mned if I don't. Cannot Find Protocol Declaration For Delegate Swift What happens when a wizard tries to cast a cone of cold through a wall of fire? Am I missing something?

Browse other questions tagged objective-c protocols or ask your own question.

I just stumbled about this problem for another time and rethought Ulis explanation. Are there any other solutions? But he’s correct that the compiler wants to know the definition so it can do proper consistency checking. > So basically Xcode tells me, that it must know the implementation details, Swift Protocol In Objective C However, I still get he following warning: Cannot find the protocol definition for 'MyCustomDelegate'.

Technological gradient within a solar system? After searching on SO, I realised the problem and switched the two lines around. I can simply remove protocol delegate variable altogether from the ContainerViewController and just pass it's id in initialiseGestures. –applefreak Oct 15 '12 at 21:13 Moreover, iOS compiler shouldn't give check my blog When you declare a class as conforming to a protocol, the compiler has to know what methods that protocol contains, so it can make sure to complain if one of the

objective-c protocols share|improve this question edited Feb 21 '13 at 2:11 asked Feb 21 '13 at 1:48 Bohan Gao 196210 3 Max_: While some things we used to do with iphone objective-c ios delegates protocols share|improve this question asked Apr 15 '12 at 9:25 Ben Thompson 1,30152138 add a comment| 2 Answers 2 active oldest votes up vote 63 down vote The import's "don't double include" feature now does what it's supposed to do, because in the end these delegate declaration .h files are indeed included multiple times. Why is (a % 256) different than (a & 0xFF)?

US Election results 2016: What went wrong with prediction models? asked 4 years ago viewed 1462 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 43Xcode: Possible to auto-create stubs for methods required by Protocol Corrected sample code for HomeTableViewController.h: #import @protocol NewFooControllerDelegate; // warning points to line below @interface HomeTableViewController : UITableViewController @end Cheers, -- Uli Kusterer "The Witnesses of TeachText are everywhere..." http://www.masters-of-the-void.com Florian Pilz Re: Xcode warns about missing protocol definition, even though @protocol is used Apr 17 2012, 07:05 A thanks,

Except the compiler produces the warning on the @interface, which provides no information about whether the class actually implements the required protocol methods. In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms Already have an account? Do the Leaves of Lórien brooches have any special significance or attributes?

Is there a flag to disable such a warning? Probably, but that’s the wrong approach. I also added @class and @protocol forward-declarations to soothe the compiler.