I am in a situation in which I need to send an object and a method name a UIViewController that might or might not be instantiated in the future. To make the matter a bit more interesting, the UIViewC
Both of the following questions are being asked in context to maintain NSOperationQueue and NSInvocationOperation.
I\'m trying to send a Block as an argument to a method called by an NSInvocation (which, for context, is fired by an NSInvocationOperation). The invocation should be retaining the arguments, and it se
I am trying to use NSInvocation to call a method on an object and send the sender as an ar开发者_如何转开发gument. The code below calls the mthod but it seems like the object is passing to the mthod i
Can I fix this with adding a category of <NS开发者_开发问答Coding> methods ?While Joshua\'s answer is correct, there is a meta-answer.
hi i have these invocation operation: NSInvocationOperation *operation = [[NSInvocationOperation alloc]
The following code works as expected: NSLog(@\"%@\", [NSString stringWithString:@\"test\"]; // Logs \"test\"
I\'m making a dynamic call using NSInvocation: NSInvocation *lNSInvocation = [NSInvocation invocationWithMethodSignature: [lListener methodSignatureForSelector:lSelector]];
I need to pass th开发者_运维问答e touches and event from touchesBegan to my own method called by a performSelector. I am using an NSInvocation to package up the arguments but I\'m having problems with
I\'m getting this message: \"(null): unrecognized selector sent to class 0x3f52e824\" The basic code I\'ve tried: