title: iOS Set shadow radius is not working
body: <p>UILabel set shadow radius is not working.</p>
  
  <pre><code>[self.testLabel.layer setShadowColor:[[UIColor purpleColor] CGColor]];
  [self.testLabel.layer setShadowOffset:CGSizeMake(3, 3)];
  [self.testLabel.layer setShadowRadius:5.0f];
  [self.testLabel.layer setMasksToBounds:YES];
  </code></pre>
  
  <p>My code (Google Drive)
  <a href="https://drive.google.com/file/d/0B5UPvOBH3cqvOFlvZHhKdlNhb0E/view?usp=sharing" rel="nofollow">https://drive.google.com/file/d/0B5UPvOBH3cqvOFlvZHhKdlNhb0E/view?usp=sharing</a></p>
  
  <p>I'm sorry if this's a repeat question. Thanks a lot.</p>