IOS用户引导界面示例

 //  RootViewController.m    //  LessonUIPageControl    //  Copyright (c) 2014年 Summer summer2014mht@sina.com. All rights reserved.      #import"RootViewController.h"      @interfaceRootViewController ()<UIScrollViewDelegate>      @end      @implementation RootViewController      - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil    {        self = [super initWithNibName:nibNameOrNilbundle:nibBundleOrNil];        if (self) {           // Custom initialization        }       returnself;    }      - (void)viewDidLoad    {        [superviewDidLoad];       // Do any additional setup after loading the view.       self.view.backgroundColor = [UIColoryellowColor];             //存储用户的偏好设置,存储在本地,比如:程序是否是第一次加载       NSUserDefaults *userDefaults = [NSUserDefaultsstandardUserDefaults];        if (![userDefaults boolForKey:@"aa"]) {            [selfsetupFirstLanchView];            [userDefaultssetBool:YESforKey:@"aa"];            //立即同步            [userDefaultssynchronize];        }    }    //创建程序第一次加载要显示的视图    - (void)setupFirstLanchView    {        [selfsetupScrollView];        [selfsetupPageControl];    }    - (void)setupScrollView    {       UIScrollView *scrollView = [[UIScrollViewalloc]initWithFrame:[UIScreenmainScreen].bounds];        scrollView.delegate =self;        [self.viewaddSubview:scrollView];       //关闭水平方向上的滚动条        scrollView.showsHorizontalScrollIndicator =NO;       //是否可以整屏滑动        scrollView.pagingEnabled =YES;        scrollView.tag =200;        [scrollViewrelease];        scrollView.contentSize =CGSizeMake(320 *6, [UIScreen mainScreen].bounds.size.height);        for (int i = 0; i < 6; i++) {            UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(320 * i,0,320, [UIScreenmainScreen].bounds.size.height)];            imageView.image = [UIImageimageWithContentsOfFile:[[NSBundlemainBundle]pathForResource:[NSStringstringWithFormat:@"v6_guide_%d", i +1]ofType:@"png"]];            [scrollViewaddSubview:imageView];            [imageViewrelease];        }    }    - (void)setupPageControl    {        /**         *  UIPageControl         1.表示页数         2.表示当前正处于第几页         3.点击切换页数         */        UIPageControl *pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(10, [UIScreenmainScreen].bounds.size.height -40, 300, 20)];        pageControl.tag =100;       //设置表示的页数        pageControl.numberOfPages =6;       //设置选中的页数        pageControl.currentPage =0;       //设置未选中点的颜色        pageControl.pageIndicatorTintColor = [UIColorgrayColor];       //设置选中点的颜色        pageControl.currentPageIndicatorTintColor = [UIColorblackColor];       //添加响应事件        [pageControladdTarget:selfaction:@selector(handlePageControl:)forControlEvents:UIControlEventValueChanged];        [self.viewaddSubview:pageControl];        [pageControlrelease];    }    - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView    {        UIPageControl *pagControl = (UIPageControl *)[self.view viewWithTag:100];        pagControl.currentPage = scrollView.contentOffset.x / 320;    }    - (void)handlePageControl:(UIPageControl *)pageControl    {       //切换pageControl .对应切换scrollView不同的界面        UIScrollView *scrollView = (UIScrollView *)[self.viewviewWithTag:200];        //        [scrollViewsetContentOffset:CGPointMake(320 * pageControl.currentPage,0)animated:YES];    }        - (void)didReceiveMemoryWarning    {        [superdidReceiveMemoryWarning];       // Dispose of any resources that can be recreated.    }      /*    #pragma mark - Navigation      // In a storyboard-based application, you will often want to do a little preparation before navigation    - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender    {        // Get the new view controller using [segue destinationViewController].        // Pass the selected object to the new view controller.    }    */