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Find the first responder

/ Published in: Objective C
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  1. - (UIView *)findFirstResonder:(UIView*)root
  2. {
  3.   if ([root isFirstResponder]) 
  4.   {        
  5.     return root;     
  6.   }
  7.  
  8.   for (UIView *subView in root.subviews) 
  9.   {
  10.     UIView *firstResponder = [self findFirstResonder:subView];
  11.     if (firstResponder != nil) 
  12.     {
  13.       return firstResponder;
  14.     }
  15.   }
  16.   return nil;
  17. }

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