Re: compiler warning for not fully implementing protocol

• Subject: Re: compiler warning for not fully implementing protocol
• From: "Adam R. Maxwell" <email@hidden>
• Date: Thu, 31 Jul 2008 20:13:30 -0700
• Delivered-to: email@hidden
• Delivered-to: email@hidden

On Jul 31, 2008, at 4:14 PM, Mark Sanvitale wrote:

I think I am doing exactly what you say is necessary (i.e. declare the second method in the superclass's public interface).

Here are some code snippets:

@protocol PortalTabProtocol
- (void)refreshDisplay:(id)capture because:(int)trigger;
@end

@interface PortalTabView : NSObject <PortalTabProtocol>
- (NSString *)tabName;
- (void)refreshDisplay:(id)capture because:(int)trigger;
- (id)displayCapture;
@end

@protocol ReadArchiveClient
- (id)displayCapture;
- (void)processedArchive:(id)archive;
@end

@interface PortalActionView : PortalTabView <ReadArchiveClient>
@end

@implementation PortalTabView

- (NSString *)tabName; { return nil; }
- (void)refreshDisplay:(id)capture because:(int)trigger; {}
- (id)displayCapture; { return nil; }

@end

@implementation PortalActionView

- (void)processedArchive:(id)archive {}

@end

int main (int argc, char const *argv[])
{
    NSAutoreleasePool *pool = [NSAutoreleasePool new];

    id obj = [[PortalActionView alloc] init];
    if ([obj conformsToProtocol:@protocol(ReadArchiveClient)])
        NSLog(@"PortalActionView conforms");
    else
        NSLog(@"PortalActionView does not conform");

    [pool release];
    return 0;
}

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