#import "MyNewViewController.h"
#import "MainViewController.h"
@interface MyNewViewController ()<UIScrollViewDelegate>
{
NSTimer* timer ;
UIScrollView* scroll ;
intk ;
inti ;
UIPageControl * page ;
}
@end
@implementationMyNewViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 新特性界面
// 滚动视图
scroll = [[UIScrollView alloc]initWithFrame:self.view.frame];
scroll.backgroundColor = [UIColor redColor];
// 滚动的范围
scroll.contentSize = CGSizeMake(self.view.frame.size.width * 4 , self.view.frame.size.height);
// 设置分页
scroll.pagingEnabled = YES ;
// 隐藏水平滚动条
scroll.showsHorizontalScrollIndicator = NO ;
// 取消弹簧效果
scroll.bounces=NO;
// 代理
scroll.delegate=self;
// 初始化图片框
for(i=0;i<4;i++)
{
UIImageView * img = [[UIImageView alloc]initWithImage:[UIImage imageNamed:[NSString stringWithFormat:@"%d",i+1]]];
img.frame = CGRectMake(i * self.view.frame.size.width, 0, self.view.frame.size.width, self.view.frame.size.height);
if(i==3)
{
// 按钮
UIButton* btn = [[UIButtonalloc]initWithFrame:CGRectMake((self.view.frame.size.width-100)/2,600,100,44)];
// 按钮内容
[btnsetTitle:@"立即体验"forState:UIControlStateNormal];
// 设置圆角
btn.layer.cornerRadius=10;
btn.layer.masksToBounds=YES;
// 设置边框
btn.layer.borderWidth=2;
btn.layer.borderColor= [UIColorcyanColor].CGColor;
[btnsetTitleColor:[UIColor greenColor] forState:UIControlStateNormal];
// 设置事件
[btnaddTarget:self action:@selector(tiao) forControlEvents:UIControlEventTouchUpInside];
// 用户交互
img.userInteractionEnabled = YES ;
[imgaddSubview:btn];
}
// 图片加入滚动视图
[scrolladdSubview:img];
}
// 添加到主视图
[self.view addSubview:scroll];
// 设置分页控制点
page= [[UIPageControlalloc]initWithFrame:CGRectMake((self.view.frame.size.width-100) /2,650,100,30)];
//分页点的个数
page.numberOfPages = 4 ;
// 设置页码的颜色
page.pageIndicatorTintColor = [UIColor greenColor];
// 选中点的颜色
page.currentPageIndicatorTintColor = [UIColor yellowColor];
// 禁用
page.enabled=NO;
// 加入
[self.view addSubview:page];
// 定时器初始化
timer = [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(DSQ) userInfo:nil repeats:YES];
}
// 时间控制器的方法
-(void)DSQ
{
// k 的值 等于偏移量➗视图宽的值 page.currentPage 默认值
k = scroll.contentOffset.x/self.view.frame.size.width ;
// 每隔2.5秒 k加1
k++ ;
// 获取偏移量
[scroll setContentOffset:CGPointMake(k * self.view.frame.size.width, 0) animated:YES];
if(k>=3)
{
// 定时器关闭
[timerinvalidate];
// k = scroll.contentOffset.x/self.view.frame.size.width ;
// [scroll setContentOffset:CGPointMake(0 * self.view.frame.size.width, 0) animated:YES];
// [timer fire];
}
}
// 跳转方法
-(void)tiao
{
// 初始化
MainViewController * MainVc = [[MainViewController alloc]init];
//跳转下一个界面
[self presentViewController:MainVc animated:YES completion:nil];
}
// 当视图滚动后 进入此方法
-(void)scrollViewDidScroll:(UIScrollView*)scrollView
{
page.currentPage = scroll.contentOffset.x/self.view.frame.size.width ;
}
@end
