Re: Unimplemented Selector Warning 3
Re: Unimplemented Selector Warning 3
- Subject: Re: Unimplemented Selector Warning 3
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Tue, 21 Aug 2012 23:48:11 +0700
On Aug 21, 2012, at 12:18 AM, Gerriet M. Denkmann wrote:
I messed around with my Build Settings - activating more warnings. (Almost) always a good idea.
I have:
NSView *someSubclassOfView = ....;
if ( [ someSubclassOfView respondsToSelector: @selector(getRow:column:forPoint:) ] )
{
// this is a browser or a matrix or something else
// do something...
}
And get a warning: "Unimplemented selector 'getRow:column:forPoint:'".
Same problem with:
#import "Server.h" // declares: - (void) reset;
[ currentServers makeObjectsPerformSelector: @selector(reset) ];
And:
#import "SomeClass.h" // declares: - (void) someMethod: something;
SomeClass *someClass = ...;
[ someClass performSelectorOnMainThread: @selector(someMethod:) withObject: nil waitUntilDone: NO ];
What do I have to do to get rid of these warnings?
Do you import the "someSubclassOfView" header?
First of all, I do not know what class this thing is. In most cases it will be NSMatrix or NSBrowser. And of course my ...pch file has: #import <Cocoa/Cocoa.h> So NSMatrix and NSBrowser should be covered.
Kind regards,
Gerriet.
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