아이폰 앱 개발 팁(6) : Stanford Lecture #7

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> Stanford Lecture #7

* Push to add a view controller

- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated;

* Pop to remove a view controller

- (void)popViewControllerAnimated:(BOOL)animated;

* Pushing your first view controller

- (void)applicationDidFinishLaunching:(UIApplication *)application {

navController = [[UINavigationController alloc] init];

[navController pushViewController:firstViewController animated:NO];

[window addSubview:navController.view];

}

* Push from within a view controller on the desk

- (void)myAction:(id)sender{

UIViewController *viewController = ...;

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

}

* Text bar button item

- (void)viewDidLoad{

UIBarButtonItem *fooButton = [[UIBarButtonItem alloc] initWithTitle:@"Foo" style:UIBarButtonItemStyleBordered target:self action:@selector(foo:)];

self.navigationItem.leftBarButtonItem = fooButton;

[fooButton release];

}

* System bar button item

- (void)viewDidLoad{

UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd style:UIBarButtonItemStyleBordered target:self action:@selector(add:)];

self.navigationItem.rightBarButtonItem = addButton;

[addButton release];

}

* Edit/Done button

self.navigationItem.leftBarButtonItem = self.editButtonItem;

- (void)setEditing:(BOOL)editing animated:(BOOL)animated{

// Update appearance of views

}

* Custom title view

UISegmentedControl *segmentedControl = ...;

self.navigationItem.titleView = segmentedControl;

[segmentedControl release];

* Back button

self.title = @"Hello there, CS193P!";

UIBarButtonItem *heyButton = [[UIBarButtonItem alloc] initWithTitle:@"Hey!" ...];

self.navigationItem.backButtonItem = heyButton;

[heyButton release];

vs.

* Setting up a Tab Bar controller

- (void)applicationDidFinishLaunching:(UIApplication *)application {

tabBarController = [[UITabBarController alloc] init];

tabBarController.viewControllers = myViewControllers;

[window addSubview:tabBarController.view];

}

* Creating Tab Bar items : Title and image

- (void)viewDidLoad{

self.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"Playlists" image:[UIImage imageNamed:@"music.png"] tag:0];

}

* Creating Tab Bar items : System item

- (void)viewDidLoad{

self.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemBookmarks tag:0];

}

* Nesting Navigation Controllers

- Create a Tab Bar controller

tabBarController = [[UITabBarController alloc] init];

- Create each Navigation controller

navController = [[UINavigationController alloc] init];

[navController pushViewController:firstViewController animated:NO];

- Add them to the Tab Bar controller

tabBarController.viewControllers = [NSArray arrayWithObjects:navController, anotherNavController, someViewController, nil];