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Ashton-W/UIResponder+FirstResponder.m

Created October 1, 2014 07:46
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UIResponder (FirstResponder) magic. Intercept UIControls calling `sendAction:to:from:forEvent:` and store a weak ref.
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UIResponder+FirstResponder.m
@implementation UIResponder (FirstResponder)
static __weak UIResponder *currentFirstResponder;
+ (instancetype)currentFirstResponder
{
[[UIApplication sharedApplication] sendAction:@selector(findCurrentFirstResponder:) to:nil from:self forEvent:nil];
return currentFirstResponder;
}
- (void)findCurrentFirstResponder:(id)sender
{
currentFirstResponder = self;
}
@end
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