最終更新:2024-04-09 (火) 02:59:16 (10d)  

UIApplicationDelegate application:didFinishLaunchingWithOptions:
Top / UIApplicationDelegate application:didFinishLaunchingWithOptions:

ウィンドウ (UIWindow)の作成や、呼び出すViewControllerを作成

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

オプション

  • 引数には通常 nil が渡ってくるが、他のアプリから呼び出した場合は NSDictionary が渡される 
    NSString *const UIApplicationLaunchOptionsURLKey;
NSString *const UIApplicationLaunchOptionsSourceApplicationKey;
NSString *const UIApplicationLaunchOptionsRemoteNotificationKey;
NSString *const UIApplicationLaunchOptionsAnnotationKey;
NSString *const UIApplicationLaunchOptionsLocalNotificationKey;
NSString *const UIApplicationLaunchOptionsLocationKey;
NSString *const UIApplicationLaunchOptionsNewsstandDownloadsKey;
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Xcode 4/プロジェクトテンプレート別

↑

Empty Application 

  • - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}
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Utility Application 

  • - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
        self.mainViewController = [[MainViewController alloc] initWithNibName:@"MainViewController_iPhone" bundle:nil];
    } else {
        self.mainViewController = [[MainViewController alloc] initWithNibName:@"MainViewController_iPad" bundle:nil];
    }
    self.window.rootViewController = self.mainViewController;
    [self.window makeKeyAndVisible];
    return YES;
}
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Single View Application

  • Storyboardを使う場合 
    - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Override point for customization after application launch.
    return YES;
}
  • Storyboardを使わない場合 
    - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
        self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPhone" bundle:nil];
    } else {
        self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPad" bundle:nil];
    }
    self.window.rootViewController = self.viewController;
    [self.window makeKeyAndVisible];
    return YES;
}
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Master-Detail Application 

  • - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // Override point for customization after application launch.
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
        UISplitViewController *splitViewController = (UISplitViewController *)self.window.rootViewController;
        UINavigationController *navigationController = [splitViewController.viewControllers lastObject];
        splitViewController.delegate = (id)navigationController.topViewController;
    }
    return YES;
}
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