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// GuideViewController.h// Created by l.h on 14-5-6.<br><br>#import <UIKit/UIKit.h><br>@interface GuideViewController : UIViewController<UIScrollViewDelegate>@end |
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//// GuideViewController.m// Created by l.h on 14-5-6.<br>#import "GuideViewController.h"#import "YHomeViewController.h"#import "YCustomTabBarViewController.h"#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)<br>@interface
GuideViewController ()@end@implementation
GuideViewController{ UIPageControl *pageControl; UIScrollView *dyScrollView;}- (void)viewDidLoad{ [super
viewDidLoad]; // Do any additional setup after loading the view. self.view.backgroundColor = [UIColor redColor]; [[UIApplication sharedApplication] setStatusBarHidden:YES]; [self
initGuide]; //加载新用户指导页面 [self
initpagecontrol];}-(void)initpagecontrol{ pageControl = [[UIPageControl alloc] init]; pageControl.frame=CGRectMake(110, 400, 100, 30) ; pageControl.numberOfPages = 4; // 一共显示多少个圆点（多少页） // 设置非选中页的圆点颜色 pageControl.pageIndicatorTintColor = [UIColor redColor]; // 设置选中页的圆点颜色 pageControl.currentPageIndicatorTintColor = [UIColor blueColor]; // 禁止默认的点击功能 pageControl.enabled = NO; pageControl.backgroundColor=[UIColor clearColor]; [self.view addSubview:pageControl]; }-(void)initGuide{ NSArray
*IMGarray=@[@"1136yd.png",@"1136yd1.png",@"1136yd2.png",@"1136yd3.png"]; NSArray
*IMGarray2=@[@"960yd.png",@"960yd1.png",@"960yd2.png",@"960yd3.png"]; dyScrollView=[[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, self.view.frame.size.height)]; dyScrollView.delegate=self; dyScrollView.backgroundColor=[UIColor greenColor]; dyScrollView.contentSize=CGSizeMake(320*[IMGarray count], 460); dyScrollView.showsVerticalScrollIndicator=NO; dyScrollView.pagingEnabled=YES; dyScrollView.bounces=NO; //取消弹性 dyScrollView.showsHorizontalScrollIndicator=NO; [self.view addSubview:dyScrollView]; for
(int i=0; i<[IMGarray count]; i++) { UIImageView *imgView=[[UIImageView alloc] initWithFrame:CGRectMake(i*320, 0, 320, self.view.frame.size.height)]; imgView.image=[UIImage imageNamed:(iPhone5?[IMGarray objectAtIndex:i]:[IMGarray2 objectAtIndex:i])]; imgView.contentMode = UIViewContentModeScaleAspectFit; // imgView.autoresizesSubviews = YES; // imgView.autoresizingMask = // UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [dyScrollView addSubview:imgView]; if
(i==[IMGarray count]-1) { [imgView setUserInteractionEnabled:YES]; UIButton *button=[UIButton buttonWithType:UIButtonTypeRoundedRect]; button.frame=CGRectMake(110, 300, 100, 40); [button setBackgroundImage:[UIImage imageNamed:@"ksty"] forState:UIControlStateNormal]; // [button setTitle:@"立即体验" forState:UIControlStateNormal]; [button addTarget:self
action:@selector(firstpressed) forControlEvents:UIControlEventTouchUpInside]; [imgView addSubview:button]; } }}- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ //更新UIPageControl的当前页 CGPoint offset = scrollView.contentOffset; CGRect bounds = scrollView.frame; [pageControl setCurrentPage:offset.x / bounds.size.width];}-(void) scrollViewDidScroll:(UIScrollView *)scrollView{ CGFloat pageWidth = self.view.frame.size.width; // 在滚动超过页面宽度的50%的时候，切换到新的页面 int
page = floor((dyScrollView.contentOffset.x + pageWidth/2)/pageWidth) ; pageControl.currentPage = page;}//点击button跳转到根视图- (void)firstpressed{ [self.view removeFromSuperview]; [[UIApplication sharedApplication] setStatusBarHidden:NO];}-(void)viewWillDisappear:(BOOL)animated{ self.view=nil;}@end |
// YAppDelegate.m #import "YAppDelegate.h" - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [self isFirstLuachtheApp]; } ////判断是不是第一次启动应用 -(void)isFirstLuachtheApp { //如果不是第一次启动的话,使用LoginViewController作为根视图 [self navigationController]; //判断是不是第一次启动应用 先覆盖根视图之后移除 if(![[NSUserDefaults standardUserDefaults] boolForKey:@"firstLaunch"]) { [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"firstLaunch"]; NSLog(@"第一次启动"); //如果是第一次启动的话,使用UserGuideViewController (用户引导页面) 作为根视图 _gvc=[[GuideViewController alloc]init];; [self.window addSubview:self.gvc.view]; } } -(void)navigationController { YHomeViewController *HomeVC = [[YHomeViewController alloc] init]; YJobSearchViewController *JobSearchVC = [[YJobSearchViewController alloc] init]; YMyLifeViewController *LifeVC = [[YMyLifeViewController alloc] init]; YChangeViewController *ChangeVC = [[YChangeViewController alloc] init]; UINavigationController *navController1 = [[UINavigationController alloc] initWithRootViewController:HomeVC]; UINavigationController *navController2 = [[UINavigationController alloc] initWithRootViewController:JobSearchVC]; UINavigationController *navController3 = [[UINavigationController alloc] initWithRootViewController:LifeVC]; UINavigationController *navController4 = [[UINavigationController alloc] initWithRootViewController:ChangeVC]; NSArray *array = [NSArray arrayWithObjects:navController1,navController2,navController4,navController3,HomeVC,JobSearchVC,ChangeVC,LifeVC,nil]; YCustomTabBarViewController *tabBarViewController = [[YCustomTabBarViewController alloc] init]; tabBarViewController.viewControllers = array; tabBarViewController.seletedIndex = 0; self.window.rootViewController = tabBarViewController; }
原文：http://www.cnblogs.com/hl666/p/3715614.html