title: Different colors in UITextView
body: <p>I try to add string with different colors in my UITextView. I wrote this code</p>
  
  <pre><code>NSMutableAttributedString* attString =
     [[NSMutableAttributedString alloc]initWithString:view.text]; //view is my UITextView
  [attString addAttribute:(NSString*)kCTForegroundColorAttributeName 
                    value:[UIColor greenColor] 
                    range:(NSRange){attString.length-8, 8}];
  view.attributedText = attString;
  </code></pre>
  
  <p>Maybe it is incorrect attribute, can you tell me what attribute change color for text?</p>