What do you use to expose preferences for your app in the Settings section of the device?

In order to test your application in XCode, which testing frameworks are available?

What structure can be used to define a portion of a series?

What class supports the sharing of small amounts of data such as strings or dates to iCloud?

How can you make the following code display with rounded corners? UIView *rectView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)]; rectView.backgroundColor = [UIColor redColor]; rectView.layer.cornerRadius = 8; [self.view addSubview:rectView];

Which statement is TRUE of the use of categories?

Core Data now supports pinning an NSManagedObjectContext to a specific query generation. Which of the following classes iS used to specify a pinning behavior or a specific version from another context?

In the AVFoundation framework, which classes contains per-pixel distance or disparity information, while capturing images using iphone 7 plus?

In the Notif‌icationCenter framework, the NCWidgetController class is inherited from the:

The lNVocabulary class in SiriKit is inherited from which of the following classes?

Which classes is used to specify a notification's content and the condition that triggers its delivery?