A UITextField is used to enter a character. Class Hierarchy of UITextField NSObject ↑upside down UIResponder. ↑upside down UIView. ↑upside down UIControl ↑upside down UITextField Read more

.caf file is an audio file format used by iOS. The following command outputs a wav file with the same name. afconvert -f caff -d Read more

The UINavigationBar is the most commonly used UINavigationBar at the top of iOS app screens. Class hierarchy of UINavigationBar. NSObject ↑upside down UIResponder. ↑upside down Read more

The UILabel class is a class to manage the character display. This is used when you want to display text on the screen. UILabel's class Read more

Get the current time. AppleDeveloperリファレンスN Read more

UITableView is a class that displays text in the form of a list. It is useful for displaying a list of data and so on. Read more

The UIButton class is a class for placing a button. You can take an action with a button tap. Class Hierarchy of UIButton NSObject ↑ Read more

UIBarButtonItem used to add or customize elements in UINavigationBar. Class hierarchy of UIBarButtonItem NSObject ↑ UIBarItem ↑ UIBarButtonItem AppleDe Read more

A Swift dictionary array. Describes how to create and call a dictionary array. I like that different people use different ways of saying things like dictionary arrays, hashes, maps, etc. Read more

How to write an array It's a Swift array. This section describes the creation and calling of arrays. Add, Insert and Delete Arrays I will try to add, insert and delete arrays. Read more