Simple UIResponder category used to find the current first responder. http://stackoverflow.com/questions/5029267/is-there-any-way-of-asking-an-ios-view-which-of-its-children-has-first-responder

UIResponder+FirstResponder.h

@interface UIResponder (FirstResponder)

+ (id)currentFirstResponder;

@end

UIResponder+FirstResponder.m

#import "UIResponder+FirstResponder.h"

static __weak id currentFirstResponder;

@implementation UIResponder (FirstResponder)

+ (id)currentFirstResponder
{
    currentFirstResponder = nil;
    [[UIApplication sharedApplication] sendAction:@selector(findFirstResponder:) to:nil from:nil forEvent:nil];
    return currentFirstResponder;
}


- (void)findFirstResponder:(id)sender
{
   currentFirstResponder = self;
}

@end