#import "UIImage+WHBLAP.h"@implementation UIImage (WHBLAP)+ (UIImage *)fullScreenImage:(NSString *)imgName{    if (isIPhone5)    {        //    1.获取图片的扩展名        NSString *ext = [imgName pathExtension];        //    2.除去图片的扩展名        imgName = [imgName stringByDeletingPathExtension];        //    3.拼接iPhone5图片表示        imgName = [imgName stringByAppendingString:@"-568h@2x"];        //    4.拼接原有图片的扩展名        imgName = [imgName stringByAppendingString:ext];    }    return  [self imageNamed:imgName];}@end

////  NewFeatureViewController.m//  新浪微博控////  Created by whblap on 14-6-02.//  Copyright (c) 2014年 whblap. All rights reserved.//#import "NewFeatureViewController.h"#import "UIImage+WHBLAP.h"#import "MainViewController.h"#define  kCount 4@interface NewFeatureViewController ()<UIScrollViewDelegate>{    UIPageControl *_page;    UIScrollView *_scroll;}@end@implementation NewFeatureViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];//    self.view.backgroundColor = [UIColor whiteColor];        // 1.添加UIScrollView    [self addUIScrollView];        // 2.添加图片    [self addScrollImages];        // 3.添加UIPageControl    [self addPageControll];    }#pragma mark -  自定义加载视图- (void)loadView{    UIImageView *imageView = [[UIImageView alloc] init];    imageView.image = [UIImage fullScreenImage:@"new_feature_background.png"];    imageView.frame = [UIScreen mainScreen].applicationFrame;    // imageView视图本身不带触摸交互等 使用UserInteractionEnable来进行设置 设置为 用户交互为可交互的    imageView.userInteractionEnabled = YES;  // 用户交互 接收事件    self.view = imageView;}#pragma mark - UI界面初始化#pragma mark 添加滚动视图- (void)addUIScrollView{    UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:self.view.bounds]; // 初始化界面位置大小    CGSize size = scrollView.frame.size;   // scrollView的宽高    scrollView.contentSize = CGSizeMake((size.width * kCount), 0);  // 内容尺寸    scrollView.showsHorizontalScrollIndicator = NO;  // 隐藏水平滚动条    scrollView.pagingEnabled = YES;    // 设置分页    scrollView.delegate = self;   // 添加代理    _scroll = scrollView;    [self.view addSubview:_scroll];}#pragma mark - 添加滚动显示的图片- (void)addScrollImages{    CGSize size = _scroll.frame.size; // 滚动视图的宽高    for (int i = 0; i<kCount; i++) {//        1.添加滚动的图片        // 1》.初始化 UIImageView宽高        UIImageView *imageView = [[UIImageView alloc] init];        imageView.frame = CGRectMake(i * size.width, 0, size.width, size.height);                // 2》.添加通过图片名创建图片 加载到imageView        NSString *imageName = [NSString stringWithFormat:@"new_feature_%d.png",i + 1];        UIImage *image = [UIImage fullScreenImage:imageName];        imageView.image = image;                // 3》.向ScrollView添加imageView        [_scroll addSubview:imageView];                //         2.最后一页 添加两个按钮        if (i == kCount-1) {                        // ************分享按钮            // 普通状态显示的图片（selected=NO）            UIImage *shareNormal = [UIImage imageNamed:@"new_feature_share_false.png"];//            1>.创建一个自定义按钮            UIButton *shareBtn =[UIButton buttonWithType:UIButtonTypeCustom];            //            2>.根据中心位置 和控件自身的宽高初始化UIButton位置            shareBtn.center = CGPointMake(size.width * 0.5, size.height*0.8 - 50);            shareBtn.bounds = CGRectMake(0, 0,shareNormal.size.width , shareNormal.size.height);            //            3>.设置UIButton的背景图片            [shareBtn setBackgroundImage:shareNormal forState:UIControlStateNormal];  // 普通状态显示的图片（selected=NO）            [shareBtn setBackgroundImage:[UIImage imageNamed:@"new_feature_share_true.png"] forState:UIControlStateSelected];  // 选中状态显示的图片（selected=YES）//            4>.给UIButton添加监听事件            [shareBtn addTarget:self action:@selector(shareClick:) forControlEvents:             UIControlEventTouchUpInside];                        // 按钮变为UIControlStateDisable状态            //             share.enabled = NO;            // 默认为选择状态            shareBtn.selected = YES;                        // 按钮在高亮的时候不需要变灰色            shareBtn.adjustsImageWhenHighlighted = NO;            //            5>.将UIButton添加到视图中            [imageView addSubview:shareBtn];                    // ************开始按钮            UIImage *startNormal = [UIImage imageNamed:@"new_feature_finish_button.png"];            UIImage *startHightlighted = [UIImage imageNamed:@"new_feature_finish_button_highlighted.png"];            //            1>.创建一个自定义按钮            UIButton *startBtn = [UIButton buttonWithType:UIButtonTypeCustom];            //            2>.根据中心位置 和控件自身的宽高初始化UIButton位置            startBtn.center = CGPointMake(size.width * 0.5, size.height*0.8);            startBtn.bounds = CGRectMake(0, 0,startNormal.size.width , startNormal.size.height);            //            3>.设置UIButton的背景图片            [startBtn setBackgroundImage:startNormal forState:UIControlStateNormal];            [startBtn setBackgroundImage:startHightlighted forState:UIControlStateHighlighted];            //            4>.给UIButton添加监听事件            [startBtn addTarget:self action:@selector(startClick) forControlEvents:             UIControlEventTouchUpInside];            //            5>.将UIButton添加到imageView视图中            [imageView addSubview:startBtn];                    }        imageView.userInteractionEnabled = YES;    }}#pragma mark - 添加分页指示器- (void)addPageControll{//    1.得到视图的宽高    CGSize size = self.view.frame.size;    //    2.根据中心位置 和控件自身的宽高初始化UIPageControl的位置    UIPageControl *page = [[UIPageControl alloc]init];    page.center =  CGPointMake(size.width * 0.5, size.height * 0.95);    page.bounds = CGRectMake(0, 0, 150, 0);    //    3.设置page页数    page.numberOfPages = kCount;    //    4.设置当前page指示器的色彩颜色    page.currentPageIndicatorTintColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"new_feature_pagecontrol_checked_point.png"]];    //    5.设置默认指示器色彩颜色    page.pageIndicatorTintColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"new_feature_pagecontrol_point.png"]];    //    6.为PageControll添加监听方法    [page addTarget:self action:@selector(updatePageChanged:) forControlEvents:UIControlEventValueChanged];    //    7.将PageControll添加到视图    _page = page;    [self.view addSubview:_page];    }#pragma mark - 滚动代理方法- (void)scrollViewDidScroll:(UIScrollView *)scrollView{    // 当前页面值 = 滚动          ps: contentOffset 是scrollview当前显示区域顶点相对于frame顶点的偏移量    _page.currentPage = scrollView.contentOffset.x / scrollView.frame.size.width;        NSLog(@"%d", _page.currentPage);}#pragma mark - 分页控件的监听方法- (void)updatePageChanged:(UIPageControl *)pageControl{    NSLog(@"%d",pageControl.currentPage);    CGFloat  contOffsetX = pageControl.currentPage * _scroll.bounds.size.width;    [_scroll setContentOffset:CGPointMake(contOffsetX,0)  animated:YES];}#pragma mark - 监听按钮点击#pragma mark 开始- (void)startClick{//    显示状态栏    [UIApplication sharedApplication].statusBarHidden = NO;//    显示到主界面     ps：控制器的View会延迟加载 需要显示或用到的时候会加载    self.view.window.rootViewController = [[MainViewController alloc] init];}#pragma mark 分享- (void)shareClick:(UIButton *)btn{    btn.selected = !btn.selected;}@end