特殊控制器

UINavigationController

#import "AppDelegate.h"

#import "ViewController.h"

 

@interfaceAppDelegate ()

 

@end

 

@implementation AppDelegate

 

 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[UIWindowalloc]initWithFrame:[UIScreenmainScreen].bounds];

    [self.windowmakeKeyAndVisible];

    ViewController *vc = [[ViewControlleralloc]init];

    

    UINavigationController *nvc = [[UINavigationControlleralloc]initWithRootViewController:vc];

    self.window.rootViewController = nvc;

    returnYES;

 

}

 

import "ViewController.h"

 

@interfaceViewController ()

 

@end

 

@implementation ViewController

 

- (void)viewDidLoad {

    [superviewDidLoad];

    

    self.view.backgroundColor = [UIColorbrownColor];

    

    //延迟调用

    //[self performSelector:@selector(hidden) withObject:nil afterDelay:1];

    

    //导航条默认半透明，这时会遮挡self.view的64个像素的高度(tableView除外)，为了避免这种情况，我们可以将导航条的半透明效果关掉

    self.navigationController.navigationBar.translucent = NO;

    

    self.title = @"导航条";//设置导航条标题

    

    self.navigationController.navigationBar.titleTextAttributes = [NSDictionarydictionaryWithObjectsAndKeys:[UIColorwhiteColor],NSForegroundColorAttributeName ,nil];//设置导航条标题颜色

   /***************************自定义导航条左按钮*************************/

    UIButton *back = [UIButtonbuttonWithType:UIButtonTypeCustom];

    back.frame = CGRectMake(0, 0, 30, 40);

    [back setImage:[UIImageimageNamed:@"back"] forState:UIControlStateNormal];

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

    UIBarButtonItem *item = [[UIBarButtonItemalloc]initWithCustomView:back];

    self.navigationItem.leftBarButtonItem = item;

     /***************************自定义导航条左按钮*************************/ 

 

 /***************************自定义导航条左按钮*************************/

    UIButton *rightbtn = [UIButtonbuttonWithType:UIButtonTypeCustom];

    rightbtn.frame = CGRectMake(0, 0, 40, 30);

        [rightbtn setImage:[UIImageimageNamed:@"chatWith"] forState:UIControlStateNormal];

    [rightbtn addTarget:selfaction:@selector(chat) forControlEvents:UIControlEventTouchUpInside];

    UIBarButtonItem  *item1 = [[UIBarButtonItem alloc]initWithCustomView:rightbtn];

    self.navigationItem.rightBarButtonItem = item1;

 

    /***************************自定义导航条左按钮*************************/

   

    

}

 

-(void)back

{

    [self.navigationControllerpopViewControllerAnimated:YES];//返回导航器的上一级

 

}

-(void)chat

{

    ChatViewController *chatvc = [[ChatViewControlleralloc]init];

    [self.navigationControllerpushViewController:chatvc animated:YES];//跳转到下一界面

}

 

-(void)hidden{

    

    [self.navigationControllersetNavigationBarHidden:YESanimated:NO];//让导航栏延时之后消失

}

 

@end

TarBarViewController

    ViewController *vc1 = [[ViewControlleralloc]init];

    SecViewController *vc2 = [[SecViewControlleralloc]init];

    vc2.tabBarItem.title = @"第二个";//设置tabbaritem的标题

    vc2.tabBarItem.image = [UIImage imageNamed:@"addPhoto"];

    UIImage *image = [[UIImageimageNamed:@"1"]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];//通过该方式，避免系统总显示默认的颜色

    UIImage *seleimage = [[UIImageimageNamed:@"favorited"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    UITabBarItem *item = [[UITabBarItem alloc]initWithTitle:@"2" image:image selectedImage:seleimage];

    item.badgeValue = @"5";

    vc2.tabBarItem = item;

 

    tabbar.tabBar.tintColor = [UIColor redColor];//选中颜色

    tabbar.selectedIndex = 1;//默认选中第几个标签，（默认是0）

    tabbar.tabBar.barTintColor = [UIColor brownColor];//背景色

    tabbar.viewControllers = @[vc1,vc2];//设置tabbarcontroller对应的视图控制器

  //  tabbar.selectedViewController = vc1;//默认选中的视图控制器（必须存在于其viewcontrollers）;

    self.window.rootViewController = tabbar;

 

UINavigationController与TarBarViewController的结合

#import "AppDelegate.h"

#import "CookbookViewController.h"

#import "RecommendViewController.h"

#import "SearchViewController.h"

 

 

@interfaceAppDelegate ()

 

@end

 

@implementation AppDelegate

 

 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[UIWindowalloc]initWithFrame:[UIScreenmainScreen].bounds];

    [self.windowmakeKeyAndVisible];

    

    UINavigationController *cookbooknvc = [[UINavigationControlleralloc]initWithRootViewController:[[CookbookViewControlleralloc]init]];

    UINavigationController *recommendnvc = [[UINavigationControlleralloc]initWithRootViewController:[[RecommendViewControlleralloc]init]];

    UINavigationController *seachnvc = [[UINavigationControlleralloc]initWithRootViewController:[[SearchViewControlleralloc]init]];

    

    UITabBarController *tab = [[UITabBarControlleralloc]init];

    tab.viewControllers = @[cookbooknvc,recommendnvc,seachnvc];

    self.window.rootViewController = tab;

    

    [[tab.tabBar.itemsobjectAtIndex:0] setTitle:@"家庭美食"];

    [[tab.tabBar.itemsobjectAtIndex:1] setTitle:@"热门推荐"];

    [[tab.tabBar.items  objectAtIndex:2] setTitle:@"快速查找"];

    

    //设置item选中和未选中的图标

        [[tab.tabBar.itemsobjectAtIndex:0] setImage:[UIImageimageNamed:@"22"]];

    

        [[tab.tabBar.itemsobjectAtIndex:1] setImage:[UIImageimageNamed:@"favorite"]];

    

        [[tab.tabBar.itemsobjectAtIndex:2] setImage:[UIImageimageNamed:@"search_icon6"]];

    

        [[UITabBarItemappearance] setTitleTextAttributes:[NSDictionarydictionaryWithObjectsAndKeys:[UIColorcolorWithRed:178.0/255.0green:178.0/255.0blue:178.0/255.0alpha:1.0f], NSForegroundColorAttributeName, [UIFontsystemFontOfSize:11], NSFontAttributeName, nil] forState:UIControlStateNormal];

        [[UITabBarItemappearance] setTitleTextAttributes:[NSDictionarydictionaryWithObjectsAndKeys:[UIColorcolorWithRed:64.0/255.0green:64.0/255.0blue:93.0/255.0alpha:1.0f], NSForegroundColorAttributeName, [UIFontsystemFontOfSize:11], NSFontAttributeName,nil] forState:UIControlStateSelected];

    

        //改变UITabBarItem的title的位置

        [[UITabBarItemappearance] setTitlePositionAdjustment:UIOffsetMake(0.0, -2.0)];

    returnYES;

}