title: set the font of UItextview
body: <p>I have multiple textviews in my uiview I need to set the font size of this textviews, so I used the following code but it didn't change the font size,</p>
  
  <pre><code>for (UIView *subview in self.view.subviews) {
  
      if ([subview isKindOfClass:[UITextView class]]) {
  
          ((UITextView *)subview).font = [UIFont fontWithName:@"Helvetica" size:12];
      }
  
  }
  </code></pre>