How can I change button size?
<p>I don't know how can I change button size. What should I do? Can anyone tell me that? Here is my code : </p>

<pre><code>   let playAgain: UIButton = UIButton(frame: CGRectMake(140, 400, 100, 50))
   playAgain.setTitle("Play Again", forState: UIControlState.Normal)


   playAgain.addTarget(self, action: "buttonAction:", forControlEvents: UIControlEvents.TouchUpInside)
   playAgain.tag = 1
   self.view!.addSubview(playAgain)
</code></pre>