IOS自定义引导页面

自定义引导页面，纯代码显示

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
    //self.view.backgroundColor = [UIColor redColor];
    
    //[self initGuide];
}

- (void)initGuide
{
    UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 640)];
    [scrollView setContentSize:CGSizeMake(960, 0)];
    [scrollView setPagingEnabled:YES];  //视图整页显示
    //    [scrollView setBounces:NO]; //避免弹跳效果,避免把根视图露出来
    
    UIImageView *imageview = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];
    [imageview setImage:[UIImage imageNamed:@"1.jpg"]];
    [scrollView addSubview:imageview];
    //[imageview release];
    
    UIImageView *imageview1 = [[UIImageView alloc] initWithFrame:CGRectMake(320, 0, 320, 460)];
    [imageview1 setImage:[UIImage imageNamed:@"2.jpg"]];
    [scrollView addSubview:imageview1];
    //[imageview1 release];
    
    UIImageView *imageview2 = [[UIImageView alloc] initWithFrame:CGRectMake(640, 0, 320, 460)];
    [imageview2 setImage:[UIImage imageNamed:@"3.png"]];
    imageview2.userInteractionEnabled = YES;
    [scrollView addSubview:imageview2];
    //[imageview2 release];
    
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];//在imageview2上加载一个透明的button
    [button setTitle:@"开始体验" forState:UIControlStateNormal];
    [button setFrame:CGRectMake(60, 100, 230, 37)];
    [button setTitleColor:[UIColor colorWithRed:255 green:0 blue:0 alpha:1.0] forState:UIControlStateNormal];
    [button setBackgroundColor:[UIColor colorWithRed:50 green:50 blue:50 alpha:0.5]];
    [button addTarget:self action:@selector(gotoMain) forControlEvents:UIControlEventTouchUpInside];
    [imageview2 addSubview:button];
    
    [self.view addSubview:scrollView];
    //[scrollView release];
}

//进入游戏主界面
- (void)gotoMain
{
    [self presentViewController:[[MainViewController alloc] init] animated:YES completion:^(void){}];
}