引导页的铺设

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@property (nonatomic,retain) UIPageControl *page;

// 要先判断是否是第一次启动(一般都是看当前版本是否是第一次启动)

if (![[NSUserDefaultsstandardUserDefaults] boolForKey:@"everLaunched"]) {

[[NSUserDefaultsstandardUserDefaults] setBool:YESforKey:@"everLaunched"];

[[NSUserDefaultsstandardUserDefaults] setBool:YESforKey:@"firstLaunch"];

/* scrollView处理 */

UIScrollView *myScroll = [[UIScrollViewalloc] initWithFrame:CGRectMake(0,0, 375 * WIDTH, 667 * HEIGH)];

myScroll.contentSize =CGSizeMake(375 *WIDTH * 3, 667 * HEIGH);

for (int i =0; i < 3; i++) {

UIImageView *myImage = [[UIImageViewalloc] initWithFrame:CGRectMake(375 *WIDTH * i, 0,375 * WIDTH,667 * HEIGH)];

myImage.image = [UIImageimageNamed:[NSStringstringWithFormat:@"引导图%d", i +1]];

[myScrolladdSubview:myImage];

}

myScroll.pagingEnabled =YES;

myScroll.showsHorizontalScrollIndicator =NO;

myScroll.bounces =NO;

[self.windowaddSubview:myScroll];

/* 最后一个页面设置一个button */

UIButton *button = [UIButtonbuttonWithType:(UIButtonTypeCustom)];

[myScrolladdSubview:button];

// button.backgroundColor = [UIColor orangeColor];

button.frame =CGRectMake(self.window.frame.size.width *2 + self.window.frame.size.width /2 - 100 * WIDTH, self.window.frame.size.height -215 * HEIGH,200, 100);

button.tintColor = [UIColorblackColor];

button.titleLabel.font = [UIFontsystemFontOfSize:20];

[button addTarget:selfaction:@selector(click)forControlEvents:(UIControlEventTouchUpInside)];

[button setTitle:@""forState:UIControlStateNormal];

/* 签订协议 */

myScroll.delegate =self;

/* 页面处理 */

self.page = [[UIPageControlalloc] initWithFrame:CGRectMake(0,620 * HEIGH,375*WIDTH, 30)];

self.page.numberOfPages =3;

self.page.currentPage =0;

self.page.backgroundColor = [UIColorclearColor];

self.page.currentPageIndicatorTintColor = [UIColorcyanColor];

self.page.pageIndicatorTintColor = [UIColorwhiteColor];

[self.windowaddSubview:self.page];

}else {

[[NSUserDefaultsstandardUserDefaults] setBool:NOforKey:@"firstLaunch"];

self.window.rootViewController =self.sideMenuVC;

}

/* button的点击方法,处理跳转 */

- (void)click

{

self.window.rootViewController =self.sideMenuVC;

}

/* 页面移动处理 */

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

self.page.currentPage = scrollView.contentOffset.x / scrollView.window.frame.size.width;

}

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