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[操作系统]【代码笔记】首页3张图片变化


一,效果图。

 

 

 

 

 

二,工程图。

三,代码。

RootViewController.h

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#import <UIKit/UIKit.h>@interface RootViewController : UIViewController{  NSTimer *timer;  UIImageView *imageView1;  UIImageView *imageView2;  UIImageView *imageView3;  UIView * view1;  UIView * view2;  UIView * view3;}@end
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RootViewController.m

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- (void)viewDidLoad{  [super viewDidLoad];  // Do any additional setup after loading the view.    //初始化背景图  [self initBackgroundView];  }#pragma -mark -funcitons-(void)initBackgroundView{  //第一张图片  view1 = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 560)];  [self.view addSubview:view1];    imageView1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 420, 560)];  imageView1.image = [UIImage imageNamed:@"guidex1.png"];  [view1 addSubview:imageView1];    //第二张图片  view2 = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 560)];  [self.view addSubview:view2];    imageView2 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 420, 560)];  imageView2.image = [UIImage imageNamed:@"guidex2.png"];  [view2 addSubview:imageView2];    //第三张图片  view3 = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 560)];  [self.view addSubview:view3];    imageView3 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 520, 660)];  imageView3.image = [UIImage imageNamed:@"guidex0.png"];  [view3 addSubview:imageView3];    //开启动画事件  timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(changeView) userInfo:nil repeats:NO];}-(void)change{  [UIView beginAnimations:nil context:nil];  [UIView setAnimationDuration:11.0];  imageView1.frame = CGRectMake(0, 0, 320, 460);  [UIView commitAnimations];}-(void)change1{  [UIView beginAnimations:nil context:nil];  [UIView setAnimationDuration:11.0];  imageView2.frame = CGRectMake(0, 0, 320, 460);  [UIView commitAnimations];}-(void)change2{  [UIView beginAnimations:nil context:nil];  [UIView setAnimationDuration:11.0];  imageView3.frame = CGRectMake(0, 0, 320, 460);  [UIView commitAnimations];}-(void)changeView{  imageView1.frame = CGRectMake(0, 0, 520, 660);  [self change2];  CATransition * transition = [CATransition animation];  transition.duration = 2.0;//间隔时间  transition.timingFunction = UIViewAnimationCurveEaseInOut;//减缓动画  transition.type = kCATransitionFade;//各种效果  transition.subtype = kCATransitionFromRight;  transition.delegate = self;//代理,自带方法,动画的代理都不用协议  [self.view.layer addAnimation:transition forKey:nil];  [self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1];  timer = [NSTimer scheduledTimerWithTimeInterval:11.0 target:self selector:@selector(changeView1) userInfo:nil repeats:NO];}-(void)changeView1{  imageView2.frame = CGRectMake(0, 0, 520, 660);  [self change];  CATransition * transition = [CATransition animation];  transition.duration = 2.0;//间隔时间  transition.timingFunction = UIViewAnimationCurveEaseInOut;//减缓动画  transition.type = kCATransitionFade;//各种效果  transition.subtype = kCATransitionFromRight;  transition.delegate = self;//代理,自带方法,动画的代理都不用协议  [self.view.layer addAnimation:transition forKey:nil];  [self.view exchangeSubviewAtIndex:1 withSubviewAtIndex:2];  timer = [NSTimer scheduledTimerWithTimeInterval:11.0 target:self selector:@selector(changeView2) userInfo:nil repeats:NO];}-(void)changeView2{  imageView3.frame = CGRectMake(0, 0, 520, 660);  [self change1];  CATransition * transition = [CATransition animation];  transition.duration = 2.0;//间隔时间  transition.timingFunction = UIViewAnimationCurveEaseInOut;//减缓动画  transition.type = kCATransitionFade;//各种效果  transition.subtype = kCATransitionFromRight;  transition.delegate = self;//代理,自带方法,动画的代理都不用协议  [self.view.layer addAnimation:transition forKey:nil];  [self.view exchangeSubviewAtIndex:2 withSubviewAtIndex:0];  timer = [NSTimer scheduledTimerWithTimeInterval:11.0 target:self selector:@selector(changeView) userInfo:nil repeats:NO];}
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