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Cannot Find Protocol Declaration For Delegate Ios

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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 Could someone please explain what's wrong in following class structure? share|improve this answer answered Feb 22 '14 at 10:56 Wilson Toussaint Jr. 3114 add a comment| up vote 0 down vote I encountered the same problem today coding an app for Literary Haikus Optimise Sieve of Eratosthenes When Sudoku met Ratio Is it possible to join someone to help them with the border security process at the airport? More about the author

Not the answer you're looking for? share|improve this answer answered Mar 24 '11 at 20:22 Joe 47.3k799117 I need the forward reference otherwise it crashes on the line MyObjectAddView *myAddView saying expected specifier-qualifier-list before MyObjectAddView Theoretically, could there be different types of protons and electrons? Related 0Using Protocols in Objective C to Transfer Data Between Different Objects?48Cannot find protocol declaration0Cannot find protocol declaration1cannot find protocol declaration custom protocol delegate iphone0Cannot find protocol declaration for 'NSKeyValueObserving'. http://stackoverflow.com/questions/10160887/cannot-find-protocol-declaration-for

Cannot Find Protocol Declaration For Delegate Ios

If we don't implement them then there is no point of having protocols at all. Change TKCalendarMonthView to this: @class ViewController; @protocol EventViewProtocol; @interface TKCalendarMonthView : UIView { id __unsafe_unretained eventDelegate; } @property (nonatomic,unsafe_unretained) id eventDelegate; @end @protocol EventViewProtocol - (void)navigateToEventView; Are the other wizard arcane traditions not part of the SRD? asked 3 years ago viewed 3225 times active 2 years ago Get the weekly newsletter!

Not the answer you're looking for? If you have a different question, you can ask it by clicking Ask Question. Sometimes these warnings linger after you've addressed the problem and are cleared out by a compilation cycle. Cannot Find Protocol Declaration For Uiwebviewdelegate asked 5 years ago viewed 11559 times active 3 years ago Get the weekly newsletter!

The corresponding .m file is not compiled. –Eduardo Mauro Apr 30 '13 at 16:08 3 Show us the actual imports. Cannot Find Protocol Declaration Swift Call native code from C/C++ Symbiotic benefits for large sentient bio-machine A Thing, made of things, which makes many things Is it decidable to check if an element has finite order more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/5424886/cannot-find-protocol-declaration-for-myobjectviewdelegate-when-it-is-clearly-t Part of the reason is that the solutions online are kinda fuzzy - if you could break it down that would be great.

Should foreign words used in English be inflected for gender, number, and case according to the conventions of their source language? Cannot Find Protocol Declaration For Pfloginviewcontrollerdelegate Tips for work-life balance when doing postdoc with two very young children and a one hour commute What is the purpose of this solder jumper? How is this done? –Tom Redman Dec 13 '12 at 19:21 2 @TRedman My advice in this situation would be to declare GestureViewDelegate in a separate header file (e.g. Not the answer you're looking for?

Cannot Find Protocol Declaration Swift

Deleting the duplicate framework resolved the error. –StephenT May 6 '15 at 19:17 add a comment| 5 Answers 5 active oldest votes up vote 55 down vote The error is caused http://stackoverflow.com/questions/9885700/protocol-error-cannot-find-protocol-declaration You don't know which one the compiler is going to hit first. Cannot Find Protocol Declaration For Delegate Ios The first step is to reconsider whether both of these classes really need to be each other's delegates. Cannot Find Protocol Declaration For Mfmailcomposeviewcontroller Thanks much, this did it for me and I will make this a common practice from now on. –FrostyL Oct 29 '13 at 5:57 | show 2 more comments up vote

asked 5 years ago viewed 38527 times active 9 months ago Get the weekly newsletter! my review here 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 asked 4 years ago viewed 28833 times active 2 months ago Get the weekly newsletter! share|improve this answer edited Mar 27 '12 at 8:34 answered Mar 27 '12 at 8:26 JeremyP 59.9k785122 To be clear, though, you'll probably still want to import the headers Cannot Find Protocol Declaration For Cllocationmanagerdelegate

Hope this help. What's an easy way of making my luggage unique, so that it's easy to spot on the luggage carousel? 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 click site Anomie's suggestion to separate your delegates into their own files is highly recommended. –avelis Aug 7 '13 at 20:44 1 Check your included files.

But,why?4Protocol to force variable declaration - Objective C1Trouble with error 'cannot find protocol declaration'0Protocol error. Cannot Find Protocol Declaration For Cllocationmanager Can you explain it please? In the header with a protocol, moving the import of a header that calls the protocol below the protocol declaration was a perfect fix. –LoungeKatt Aug 14 '12 at 2:44 add

Thanks for enlightening me on the when @class is needed and not. –skalfyfan Mar 24 '11 at 20:57 Glad you figured that out.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed It may be possible that although the header file is in your project maybe it is in an incorrect directory and therefore not in the header search path. –Joe Mar 24 Zero Emission Tanks My math students consider me a harsh grader. Cannot Find Protocol Declaration For Uialertviewdelegate Is it strange to ask someone to ask someone else to do something, while CC'd?

This is my VCWithProtocol.h @protocol mydemoDelegate @optional -(void)demoDelegateMethodWithSuccess:(BOOL)yesOrNo; @end @interface VCWithProtocol : UIViewController { idmydelegate; } @property (nonatomic,assign)idmydelegate; VCWithProtocol.m `@synthesize mydelegate` This is my class where I am trying to use Syntax Design - Why use parentheses when no argument is passed? So I tried again to remove the UITableViewDelegate and UITabBarDelegate on my code. @interface MyObject2 : UIViewController At that time No error had found but that was the same code navigate to this website 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

Line A does nothing because VC2.h was already imported. Browse other questions tagged iphone objective-c protocols or ask your own question. But,why?1Trouble with error 'cannot find protocol declaration'0Error: Cannot find protocol declaration in iphone sdk24Cannot find protocol declaration for42Objective-C Protocol Forward Declarations0Cannot find protocol declaration for ' '1Cannot find protocol declaration for Then I could put the import-protocol order back the way it was.

I'm no professional to guess why, but when I added both buffer and the framework itself, the error message disappeared. hmm –skalfyfan Mar 24 '11 at 20:31 That seems odd. What should I do? How do I approach my boss to discuss this?

What will be the value of the following determinant without expanding it? I understood your solution and it does make completely sense to me but I am wondering how other protocols like UITableView-Delegate and Datasource have been implemented? If you do add one no big deal, but in a situation like Straddle's all that the forward declaration do was cover up another issue he was having. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

same mistake from me.. Explain what an import loop is, how to fix it. –Sam Dec 14 '13 at 16:54 That was the error! Join them; it only takes a minute: Sign up Cannot find protocol declaration for 'MFMailComposeViewControllerDelegate'; did you mean 'UIPageViewControllerDelegate'? What happens if no one wants to advise me?

Just UIKit. Worked flawlessly. A Thing, made of things, which makes many things Is 8:00 AM an unreasonable time to meet with my graduate students and post-doc?