IOS學習 NSNavigationController1 父子頁面跳轉 導覽列隱藏__IOS

@implementation AppDelegate

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

    // Override point for customization after application launch.

    

    self.homeVC = [[HomeViewController alloc]init];

    UINavigationController *navigation = [[UINavigationController alloc]initWithRootViewController:self.homeVC];

    self.window.rootViewController = navigation;

    

    return YES;

}

#import "HomeViewController.h"

@interface HomeViewController ()

@end

@implementation HomeViewController

- (void)loadView{

    UIView *baseView = [[UIView alloc]initWithFrame:[[UIScreen mainScreen]applicationFrame]];

    self.view = baseView;

    baseView.backgroundColor = [UIColor purpleColor];

}

- (void)viewDidLoad {

    [super viewDidLoad];

    

    UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(100, 100, 200, 40)];

    button.layer.cornerRadius = 8;

    button.backgroundColor = [UIColor greenColor];

    [button setTitle:@"push" forState:UIControlStateNormal];

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

    [self.view addSubview:button];  

}

-(void)pushTV{

    UIViewController *SecondTV = [[SecondViewController alloc]init];

    //跳轉至子頁面

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

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

}

@end

#import "SecondViewController.h"

@interface SecondViewController ()

@end

@implementation SecondViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(100, 100, 200, 40)];

    button.layer.cornerRadius = 8;

    button.backgroundColor = [UIColor purpleColor];

    [button setTitle:@"second" forState:UIControlStateNormal];

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

    [self.view addSubview:button];

    

    UIButton *saveBtn = [[UIButton alloc]initWithFrame:CGRectMake(125, 200, 150, 40)];

    saveBtn.layer.cornerRadius = 8;

    saveBtn.backgroundColor = [UIColor orangeColor];

    [saveBtn setTitle:@"儲存" forState:UIControlStateNormal];

    [saveBtn addTarget:self action:@selector(saveClick) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:saveBtn];

    

}

-(void)backTV{

    //導覽列隱藏

    if (self.navigationController.toolbarHidden) {

        [self.navigationController setToolbarHidden:NO animated:YES];

        [self.navigationController setNavigationBarHidden:NO animated:YES];

    }else

    {

        [self.navigationController setToolbarHidden:YES animated:YES];

        [self.navigationController setNavigationBarHidden:YES animated:YES];

    }

}

-(void)saveClick{

    //返回首頁面

    [self.navigationController popToRootViewControllerAnimated:YES];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

}

@end