UINavigationController导航视图控制器(17

//
//  AppDelegate.m
//  UI03_导航视图控制器
//
//  Created by lanou3g on 17/8/7.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import "AppDelegate.h"
#import "RootViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    
    self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    
    RootViewController *rootViewController = [[RootViewController alloc] init];
    rootViewController.title = @"首页";
    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController];
    self.window.rootViewController = navigationController;
    
    return YES;
}

- (void)applicationWillResignActive:(UIApplication *)application {
    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}

- (void)applicationDidEnterBackground:(UIApplication *)application {
    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}

- (void)applicationWillEnterForeground:(UIApplication *)application {
    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}

- (void)applicationDidBecomeActive:(UIApplication *)application {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}

- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}

@end

//
//  RootViewController.m
//  UI03_导航视图控制器
//
//  Created by lanou3g on 17/8/7.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import "RootViewController.h"
#import "SecondViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    //将navigationBar的半透明小效果关掉
    self.navigationController.navigationBar.translucent = NO;
    //改变navigationBar的颜色
    self.navigationController.navigationBar.barTintColor = [UIColor orangeColor];
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(150, 100, 50, 30);
    button.backgroundColor = [UIColor blueColor];
    [button setTitle:@"push" forState:UIControlStateNormal];
    [button setTitleColor:[UIColor greenColor] forState:UIControlStateNormal];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    
    [self.view addSubview:button];
    
}

- (void)buttonAction:(UIButton *)button {
    SecondViewController *secondViewCotroller = [[SecondViewController alloc] init];
    [self.navigationController pushViewController:secondViewCotroller animated:YES];
    self.navigationController.navigationBarHidden = YES;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end

//
//  SecondViewController.m
//  UI03_导航视图控制器
//
//  Created by lanou3g on 17/8/7.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import "SecondViewController.h"

@interface SecondViewController ()

@end

@implementation SecondViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.view.backgroundColor = [UIColor purpleColor];
    
//    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
//    button.frame = CGRectMake(150, 100, 50, 30);
//    button.backgroundColor = [UIColor blueColor];
//    [button setTitle:@"返回" forState:UIControlStateNormal];
//    [button setTitleColor:[UIColor greenColor] forState:UIControlStateNormal];
//    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
//    [self.view addSubview:button];
    
    UIButton *button1 = [UIButton buttonWithType:UIButtonTypeCustom];
    button1.frame = CGRectMake(100, 100, 100, 100);
    button1.backgroundColor = [UIColor redColor];
    [button1 setTitle:@"pop" forState:UIControlStateNormal];
    [button1 addTarget:self action:@selector(button1Action:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button1];
}


- (void)button1Action:(UIButton *)button1 {
    [self.navigationController popToRootViewControllerAnimated:YES];
    self.navigationController.navigationBarHidden = NO;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end