释放根视图控制器

Question

我在

中有以下声明

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

陈述是：

root_view_controller = [[Root_View_Controller alloc] initWithNibName:@"Base_View" bundle : nil];

我没有使用ARC，所以我想在

中发布root_view_controller

- (void)applicationWillTerminate:(UIApplication *)application

我的问题是：上述做法是否正常？并且：在发布root_view_controller之前是否还应该添加其他清理代码？

Answer 1

AppDelegate.m

- (void)dealloc
{
    [_window release];
    [_viewController release];
    [super dealloc];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
    // Override point for customization after application launch.
    self.viewController = [[[MLViewController alloc] initWithNibName:@"MLViewController" bundle:nil] autorelease];
    self.window.rootViewController = self.viewController;
    [self.window makeKeyAndVisible];
    return YES;
}

如果你想发布你的Root_View_Controller你需要在dealloc方法中执行它，就像上面的代码一样

Answer 2

无需在

中释放内存

- (void)applicationWillTerminate:(UIApplication *)application

因为当应用程序终止时，它所使用的内存无论如何都会被释放。