如何去除QQ2009广告

- (void) pageTurning: (UIPageControl *) pageController
{
//---get the page number you can turning to---
NSInteger nextPage = [pageController currentPage];
switch (nextPage) {
case 0:
[tempImageView setImage:[UIImage imageNamed:@"iMac_old.jpeg"]];
break;
case 1:
[tempImageView setImage:[UIImage imageNamed:@"iMac.jpeg"]];
break;
case 2:
[tempImageView setImage:[UIImage imageNamed:@"Mac8100.jpeg"]];
break;
case 3:
[tempImageView setImage:[UIImage imageNamed:@"MacPlus.jpeg"]];
break;
case 4:
[tempImageView setImage:[UIImage imageNamed:@"MacSE.jpeg"]];
break;
default:
break;
}

//---switch the two imageview views---
if (tempImageView.tag==0) { //---imageView1---
tempImageView = imageView2;
bgImageView = imageView1;
}
else {    //---imageView2---
tempImageView = imageView1;
bgImageView = imageView2;
}

//---animate the two views flipping---
[UIView beginAnimations:@"flipping view" context:nil];
[UIView setAnimationDuration:0.5];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationTransition: UIViewAnimationTransitionFlipFromLeft
forView:tempImageView cache:YES];
[tempImageView setHidden:YES];
[UIView commitAnimations];

[UIView beginAnimations:@"flipping view" context:nil];
[UIView setAnimationDuration:0.5];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationTransition: UIViewAnimationTransitionFlipFromRight
forView:bgImageView cache:YES];
[bgImageView setHidden:NO];
[UIView commitAnimations];

}

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {

//---initialize the first imageview to display an image---
[imageView1 setImage:[UIImage imageNamed:@"iMac_old.jpeg"]];
tempImageView = imageView2;

//---make the first imageview visible and hide the second---
[imageView1 setHidden:NO];
[imageView2 setHidden:YES];

//---add the event handler for the page control---
[pageControl addTarget:self action:@selector(pageTurning:)
forControlEvents:UIControlEventValueChanged];

[super viewDidLoad];
}