自定义App首次启动引导页

代码如下

#import"ZBGuidePageView.h"

@interfaceZBGuidePageView()<UIScrollViewDelegate>

@property(nonatomic,strong)UIScrollView*scrollView;
@property(nonatomic,strong)UIPageControl*pageControl;

@end

@implementationZBGuidePageView

NSString*key =@"CFBundleShortVersionString";

- (void)show {

   NSString*key =@"CFBundleShortVersionString";

   //获得当前软件的版本号
   NSString*currentVersion = [NSBundlemainBundle].infoDictionary[key];

   //获得沙盒中存储的版本号
   NSString*sanboxVersion = [[NSUserDefaultsstandardUserDefaults]stringForKey:key];

   if(![currentVersionisEqualToString:sanboxVersion]) {

       //自定义引导界面
        [selfpushGuideView];

       //存储版本号
        [[NSUserDefaultsstandardUserDefaults]setObject:currentVersionforKey:key];

       //立即存储
        [[NSUserDefaultsstandardUserDefaults]synchronize];

    }

}

//加载视图
- (void)pushGuideView {
   UIWindow*window = [UIApplicationsharedApplication].keyWindow;
   self.frame= window.bounds;
    [windowaddSubview:self];
   //创建引导的滑动视图
   _scrollView= [[UIScrollViewalloc]initWithFrame:CGRectMake(,,SCREEN_WIDTH,SCREEN_HEIGHT)];
    [selfaddSubview:_scrollView];
   _scrollView.backgroundColor= [UIColorwhiteColor];
   //设置属性
   //设置滑动视图内容的大小
   _scrollView.contentSize=CGSizeMake(SCREEN_WIDTH*,SCREEN_HEIGHT);
   //分页设置
   _scrollView.pagingEnabled=YES;
   //设置滚动条的显示与隐藏
   _scrollView.showsHorizontalScrollIndicator=NO;
   _scrollView.showsVerticalScrollIndicator=NO;

   //循环添加图片
   for(NSIntegeri =; i <; i++) {
       UIImageView*imageView = [[UIImageViewalloc]initWithFrame:CGRectMake(SCREEN_WIDTH* i,,SCREEN_WIDTH,SCREEN_HEIGHT)];
       //设置属性
       NSString*imageName = [NSStringstringWithFormat:@"guide%@.jpg",@(i +)];
        imageView.image= [UIImageimageNamed:imageName];
        imageView.userInteractionEnabled=YES;

       if(i ==) {

           UIButton*button = [[UIButtonalloc]initWithFrame:CGRectMake(,SCREEN_HEIGHT*0.85,SCREEN_WIDTH-,SCREEN_HEIGHT*0.07)];
            [buttonsetTitle:@"立即体验"forState:UIControlStateNormal];
            button.titleLabel.font= [UIFontfontWithName:@"Helvetica-Bold"size:];
            [buttonaddTarget:selfaction:@selector(didExperButton)forControlEvents:UIControlEventTouchUpInside];
           UIColor*color =UICOLOR_FROM_HEX(0x008aff);
            [buttonsetBackgroundColor:color];
            [imageViewaddSubview:button];

        }

        [_scrollViewaddSubview:imageView];
    }
}

- (void)didExperButton
{
    [UIViewbeginAnimations:@"animation"context:nil];
    [UIViewsetAnimationDuration:1.0f];
    [UIViewsetAnimationCurve:UIViewAnimationCurveEaseInOut];
    [UIViewsetAnimationTransition:UIViewAnimationTransitionCurlUpforView:self.windowcache:YES];
    [UIViewcommitAnimations];
    [selfremoveFromSuperview];
}

@end