导航控制器

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#import "ViewController.h"

#import "DetailViewController.h"

@interface ViewController ()

#define RED arc4random() % 255 / 255.0

#define GREEN arc4random() % 255 / 255.0

#define BLUE arc4random() % 255 / 255.0

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.view.backgroundColor = [UIColor colorWithRed:RED green:GREEN blue:BLUE alpha:1.0];

    //设置navigationBarHidden 导航栏的隐藏

    self.navigationController.navigationBarHidden = NO;

    //设置导航栏颜色 navigationBar

    self.navigationController.navigationBar.barTintColor = [UIColor orangeColor];

    //设置标题

    self.title = @"首页";

    //设置导航栏主色调

    self.navigationController.navigationBar.tintColor = [UIColor greenColor];

    //创建item

    UIBarButtonItem * leftItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action:@selector(action_button:)];

    leftItem.tag = 100;

    //关联

    self.navigationItem.rightBarButtonItem = leftItem;

    //创建弹性item

    UIBarButtonItem *flexItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];

    UIBarButtonItem *toolBarItem1 = [[UIBarButtonItem alloc] initWithTitle:@"下一页" style:UIBarButtonItemStylePlain target:self action:nil];

    UIBarButtonItem *toolBarItem2 = [[UIBarButtonItem alloc] initWithTitle:@"上一页" style:UIBarButtonItemStylePlain target:self action:nil];

    //导航工具栏 默认隐藏的

    self.navigationController.toolbarHidden = NO;

    self.toolbarItems = @[flexItem, toolBarItem1,flexItem,toolBarItem2,flexItem];

    //创建一个button

    UIButton *button  =[UIButton buttonWithType:UIButtonTypeCustom];

    button.frame = CGRectMake(0, 0, 200, 30);

    button.center = self.view.center;

    [button setTitle:@"导航推送" forState:UIControlStateNormal];

    button.tag = 101;

    [button addTarget:self action:@selector(action_button:) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:button];

}

- (void)action_button:(id)sender {

    if ([sender isKindOfClass:[UIBarButtonItem class]]) {

//        //直接返回到根视图控制器

//        [self.navigationController popToRootViewControllerAnimated:YES];

        //返回到上一个视图控制器

       [self.navigationController popViewControllerAnimated:YES];

        //返回到指定控制器， 该控制器必须已经被navigationController所管理

//        [self.navigationController popToViewController:self.navigationController.viewControllers[0] animated:YES];

        return;

    }

    DetailViewController *viewController = [[DetailViewController alloc] init];

//    viewController.view.backgroundColor = [UIColor orangeColor];

    //导航推送

    [self.navigationController pushViewController:viewController animated:YES];

}

#import "DetailViewController.h"

@interface DetailViewController ()

@end

@implementation DetailViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.title = @"详情";

    self.view.backgroundColor = [UIColor redColor];

//    self.navigationController.viewControllers[0]

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

导航控制器

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原文地址：http://www.cnblogs.com/wtzs/p/5487051.html