iOS-新手引导页+标签控制器

AppDelegate.h

#import "ViewController.h"#import "MenuViewController.h"@interface AppDelegate : UIResponder <UIApplicationDelegate>@property (strong, nonatomic) UIWindow *window;@property (readonly, strong) NSPersistentContainer *persistentContainer;@property (nonatomic,strong)MenuViewController *vc;@property (nonatomic,strong)UITabBarController *tabBarCtl;//标签栏控制器

AppDelegate.m

#import "GuideViewController.h"#import "MenuViewController.h"#import "MeViewController.h"#import "TopicViewController.h"@interface AppDelegate ()@end@implementation AppDelegate//私有方法,用于生成一个导航控制器- (UINavigationController *)createNavigationWithController:(UIViewController *)vc title:(NSString *)title image:(NSString *)imgName selectImage:(NSString *)selectImgName{    UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:vc];    vc.navigationItem.title = title;    nav.tabBarItem = [[UITabBarItem alloc]initWithTitle:title image:[UIImage imageNamed:imgName] selectedImage:[UIImage imageNamed:selectImgName]];    return nav;}//标签栏控制器- (UITabBarController *)tabBarCtl{    if (!_tabBarCtl) {        _tabBarCtl = [[UITabBarController alloc]init];        self.tabBarCtl.tabBar.tintColor = [UIColor blackColor];        UINavigationController *homeNav = [self createNavigationWithController:[[MenuViewController alloc]init] title:@"头条" image:@"main_bottom_tab_recipe_gray_25x25_" selectImage:@"main_bottom_tab_recipe_red_25x25_"];        UINavigationController *selectNav = [self createNavigationWithController:[[TopicViewController alloc]init] title:@"小组" image:@"main_bottom_tab_pai_gray_25x25_" selectImage:@"main_bottom_tab_pai_red_25x25_"];        UINavigationController *myNav = [self createNavigationWithController:[[MeViewController alloc]init] title:@"我的" image:@"main_bottom_tab_user_gray_25x25_" selectImage:@"main_bottom_tab_user_red_25x25_"];        _tabBarCtl.viewControllers = @[homeNav,selectNav,myNav];        [[UITabBar appearance] setTintColor:[UIColor colorWithRed:252/255.0  green:104/255.0  blue:106/255.0 alpha:1]];        //设置导航的背景颜色        [UINavigationBar appearance].barTintColor=[UIColor colorWithRed:252/255.0  green:104/255.0  blue:106/255.0 alpha:1];    }    return _tabBarCtl;}- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    // Override point for customization after application launch.    GuideViewController *guideVC = [[GuideViewController alloc]init];    self.vc = [[MenuViewController alloc]init];    //第一次运行app    if (![[NSUserDefaults standardUserDefaults]objectForKey:NOT_FIRST_LANUCH]) {        self.window.rootViewController = guideVC;    }    //非首次运行app    else{        //获取当前的版本号        //获取持久化的版本号数据        NSString *savedVersion =  [[NSUserDefaults standardUserDefaults]objectForKey:NOT_FIRST_LANUCH];        //判断版本号是否一致        if ([savedVersion isEqualToString:VERSION_CURRENT]) {            //没有更新            self.window.rootViewController = self.vc;        }        else{            //更新了            self.window.rootViewController = guideVC;        }    }    return YES;}

GuideViewController.m

#import "ImageScrollView.h"#import "AppDelegate.h"@interface GuideViewController ()<ImageScrollViewDelegate>@end@implementation GuideViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor whiteColor];    NSArray *imgArr = @[@"新手引导页5.jpg",@"新手引导页4.jpg",@"首页.jpg"];    ImageScrollView *imgScrView  = [[ImageScrollView alloc]initWithFrame:CGRectNull style:ImageScrollType_Guide images:imgArr confirmBtnTitle:@"立即体验" confirmBtnTitleColor:[UIColor redColor] confirmBtnFrame:CGRectMake(230, 10, 100, 40) autoScrollTimeInterval:0 delegate:self];    [self.view addSubview:imgScrView];    [imgScrView addPageControlToSuperView:self.view];}#pragma mark -ImageScrollViewDelegate- (void)experienceDidHandle{    //获取当前的版本号,持久化    NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];    [ud setObject:VERSION_CURRENT forKey:NOT_FIRST_LANUCH];    [ud synchronize];    //切换窗口的根视图控制器    AppDelegate *app = App_Delegate;    app.window.rootViewController = app.vc;}

MenuViewController.m

  self.view.backgroundColor = [UIColor whiteColor];        AppDelegate *app = App_Delegate;        app.window.rootViewController = app.tabBarCtl;