UIActionsheet Locks iphone screen
<p>i am new to iphone...i have coded in viewdidload </p>

<pre><code>-(void)viewDidload
{
     actSheet = [[UIActionSheet alloc] initWithTitle:@"How"
        delegate:self
               cancelButtonTitle:@"ok"                
                                       destructiveButtonTitle:nil
        otherButtonTitles:nil];
}
</code></pre>

<p>when one button is pressed,
i coded like</p>

<pre><code>[actSheet showInView:self.view];
</code></pre>

<p>but, the screen is full like locked,i could not do nothing....anyhelpplease?</p>
