title: UISwitch's color
body: <p>I can change UISwitch's color with below code but always color is yellow how to change color to another color?</p>
  
  <pre><code>UISwitch *switch1=[[UISwitch alloc]initWithFrame:CGRectMake(70, 121, 94, 27)];
  [switch1 setAlternateColors:YES];
  </code></pre>