{
UIScrollView *scoll;
UIPageControl *page;
UIButton *nb;
NSArray *aa;
}
@end
@implementation myViewController
- (void)viewDidLoad {
[super viewDidLoad];
// self.navigationItem.title=@"->滑动视图";
//
//自动调整状态为no
self.automaticallyAdjustsScrollViewInsets = NO;
//
// self.navigationController.navigationBar.barTintColor=[UIColor whiteColor];
//self.navigationController.navigationBarHidden=YES;//隐藏导航栏
//创建滚动页面
self.view.backgroundColor=[UIColor whiteColor];
scoll=[[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
scoll.delegate=self;
scoll.pagingEnabled=YES;
scoll.contentSize=CGSizeMake(self.view.frame.size.width*3, self.view.frame.size.height);
[self.view addSubview:scoll];
int x=0;
for (int i=0;i<3; i++)
{
aa=@[@"u=3443982149,1257493796&fm=21&gp=0.jpg",@"u=2635543389,3766719838&fm=21&gp=0.jpg",@"u=1152973842,2731130308&fm=21&gp=0.jpg"];
UIImageView *mag=[[UIImageView alloc]initWithImage:[UIImage imageNamed:aa[i]]];
mag.frame=CGRectMake(x, 0, self.view.frame.size.width, self.view.frame.size.height);
[scoll addSubview:mag];
x+=self.view.frame.size.width;
}
page=[[UIPageControl alloc]initWithFrame:CGRectMake((self.view.frame.size.width-100)/2,700, 100, 50)];
page.currentPage=0;
page.numberOfPages=3;
page.currentPageIndicatorTintColor=[UIColor blackColor];
page.pageIndicatorTintColor=[UIColor redColor];
[page addTarget:self action:@selector(pa) forControlEvents:UIControlEventValueChanged];
[self.view addSubview:page];
//添加定时器
[NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(dsq) userInfo:nil repeats:YES];
//创建按钮
nb=[[UIButton alloc]initWithFrame:CGRectMake(165,250, 100, 50)];
[nb setTitle:@"@@" forState:UIControlStateNormal];
[nb setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[nb addTarget:self action:@selector(jm) forControlEvents:UIControlEventTouchUpInside];
}
-(void)pa
{
int n=(int)page.currentPage;
[scoll scrollRectToVisible:CGRectMake(n*scoll.frame.size.width, 0, scoll.frame.size.width, scoll.frame.size.height) animated:YES];
}
//定时器
-(void)dsq
{
NSInteger pa=page.currentPage;
pa++;
if (pa==aa.count)
{
pa=2;
}
scoll.contentOffset=CGPointMake(pa*self.view.frame.size.width, 0);
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView;
{
NSInteger u=scoll.contentOffset.x/scoll.frame.size.width;
page.currentPage=u;
if (u==2)
{
[self.view addSubview:nb];
}
else
{
[nb removeFromSuperview];
}
}
-(void)jm
{
ViewController *i=[ViewController new];
[self.navigationController pushViewController:i animated:YES];
}
