title: Animate UILabel text size increase and decrease
body: <p>I want to apply animation on UILabel text. I write the code to increase font size in animation block but animation is not applied.</p>
  
  <pre><code>[UIView beginAnimations:nil context:nil/*contextPoint*/];
      monthsOnBoard.font=[UIFont fontWithName:@"digital-7" size:150];
      daysOnBoard.font=[UIFont fontWithName:@"digital-7" size:150];
      hoursOnBoard.font=[UIFont fontWithName:@"digital-7" size:100];
      minutesOnBoard.font=[UIFont fontWithName:@"digital-7" size:100];
      secondsOnBoard.font=[UIFont fontWithName:@"digital-7" size:100];
      [UIView setAnimationDelegate:self];
      [UIView setAnimationDelay:0.5];
      [UIView setAnimationDuration:1];
      [UIView setAnimationRepeatCount:4];
      [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
      [UIView commitAnimations];
  </code></pre>