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Ios Cannot Find Protocol Definition

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the warning. Should I report it? What is the most efficient & fastest way to speed up the installation of packages with thousands of items? Small sample code to better illustrate the problem: NewFooController.h: #import @protocol NewFooControllerDelegate; @interface NewFooController : UITableViewController @property (nonatomic, weak) id

@implementation Declaration Cannot Be Protocol Qualified

Wrong way on a bike lane? ContainerViewController.h #import @class DividerView; @class GestureView; @protocol GestureViewDelegate; @interface ContainerViewController : UIViewController @property (strong, nonatomic) IBOutlet GestureView *topContentView; @end GestureView.h #import @protocol GestureViewDelegate; @interface GestureView : UIView - (void)initialiseGestures:(id)delegate; It's in GestureView.h! –applefreak Oct 15 '12 at 10:37 In ContainerViewController.h try #import GestureView.h instead of the forward declaration –Moxy Oct 15 '12 at 11:06 1 I mentioned

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 Dunno why it didn't work for me. It is also a bad smell that a class needs to be its own delegate. Cannot Find Protocol Declaration Swift I don't want to import GestureView.h from ContainerViewController.h as I usually imports stuffs in .m file.

Your help is greatly appreciated. Cannot Find Protocol Definition Swift 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, share|improve this answer answered Oct 8 '13 at 16:39 Ryan 9118 add a comment| up vote 0 down vote You have to define the protocol first. http://stackoverflow.com/questions/9991145/xcode-warns-about-missing-protocol-definition-even-though-protocol-is-used How much time would it take for a planet scale Miller-Urey experiment to generate intelligent life Start a coup online without the government intervening xparse processor with multiple arguments How to

Are there still systems around with a /bin/sh binary? Cannot Find Protocol Declaration For Cllocationmanagerdelegate 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 Should I report it? Are there any other solutions?

Cannot Find Protocol Definition Swift

MobileDevHQ Sign In · Register Home › iOS SDK Development Forums › iOS SDK Development Advertise here Advertise here Howdy, Stranger! http://www.cocoabuilder.com/archive/cocoa/316410-xcode-warns-about-missing-protocol-definition-even-though-protocol-is-used.html I've been moving forward with the warning, because it allows me to make progress on my development. @implementation Declaration Cannot Be Protocol Qualified Marc Kyle Sluder Re: Xcode warns about missing protocol definition, even though @protocol is used May 04 2012, 00:13 On May 3, 2012, at 3:08 PM, Marco S Hyman wrote: >> Xcode Cannot Find Protocol Declaration Forward declaration of protocols work just like forward declarations of classes.

But, at some point, I need to figure this out and get rid of the warning. news But then, the separate file solution is a fine one as well. 0 · ole Posts: 14Registered Users February 2010 edited February 2010 Dr.Lightning wrote: » For classes, one can forward If I'm mistaken and somebody points out the correct, I *might* try. You don't need to redeclare methods from protocols you adopt. Cannot Find Protocol Declaration For Delegate Ios

I just stumbled about this problem for another time and rethought Ulis explanation. My PodFile platform :ios, '7.0' gem 'cocoapods', '0.25.0' pod 'AFNetworking', '1.2' pod 'AFOAuth2Client', '0.1' pod 'Base64' pod 'SVPullToRefresh', '0.4.1' pod 'SVProgressHUD', '0.9.0' pod 'TTTAttributedLabel' pod 'HockeySDK' pod 'TPKeyboardAvoiding' pod 'NSStringEmojize', :git Why "silver-tongued" for someone who is convincing? have a peek at these guys Why is Professor Lewin correct regarding dimensional analysis, and I'm not?

The point of my writing is: Ulis explanation is wrong. Cannot Find Protocol Declaration For Delegate 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? This was preventing the project from building at all.

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You signed out in another tab or window. In Revelation 19:16, of which kings is Jesus king? Except the compiler produces the warning on the @interface, which provides no information about whether the class actually implements the required protocol methods. Swift Protocol In Objective C Non-Repetitive Quine Do the Leaves of Lórien brooches have any special significance or attributes?

I thought import took care of that. But why declaring a protocol first will get a warning? –Bohan Gao Feb 21 '13 at 2:20 I've never been able to make forward protocol definitions work so I 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. check my blog The logical place to emit this warning is on the @implementation, so the compiler can alert you that it can't verify you've _implemented_ all the methods you claim to.

You signed in with another tab or window. The general structure of the file should be like this: @protocol viewController1Delegate; @class viewController2; @interface viewController1 @end @protocol viewController1Delegate @end share|improve this answer edited Apr 15 '12 at 9:43 answered I have the same problem. –Iulian Onofrei Jul 14 '15 at 13:48 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google The logical place to emit this warning is on the @implementation, so the compiler can alert you that it can't verify you've _implemented_ all the methods you claim to.

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 It simply tells the compiler "this protocol exists", but not what methods it actually consists of. > > It's the same as with plain C struct Foo; and struct Foo { Is adding the ‘tbl’ prefix to table names really a problem? The program compiles (with a warning) and runs perfectly fine.

C++ calculator using classes US Election results 2016: What went wrong with prediction models? 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? I see the circular import of .h files, but it's necessary because they both reference each other. The program compiles (with a warning) and runs perfectly fine.

Watch out for this zinger. 0 · Sign In or Register to comment. What do I do? I have a forward declaration for this class and it's delegate below. However, I tried this for "@protocol name;" and it appears that the forward reference doesn't work.

As I said, there is an @protocol MyCustomDelegate before I use it in the @interface-Block. 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 Complement of CFL is Recursive Should I allow my child to make an alternate meal if they do not like anything served at mealtime? 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

Thanks. –applefreak Oct 15 '12 at 12:21 add a comment| 2 Answers 2 active oldest votes up vote 19 down vote accepted I like that you're trying to avoid imports in Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 64 Star 1,699 Fork 283 dennisreimann/ioctocat Code Issues 19 Pull requests 0 Projects how can i fix this? Perhaps its some "import" feature I don't understand.