This example will tell you how to create and use UISwitch component both in Xcode interface builder and swift source code. It will add one label, one UISwitch in Main.storyboard. […]
All the swift interactive ui component ( UITextField, UITextView etc ) can prompt keyboard automatically when you move focus on it. And you can change the keyboard type both in […]
We have introduced how to use UITextField and UITextView in article iOS UITextField And UITextView Swift Example. In that article, we use interface builder and storyboard to create the user […]
When i develop and run iOS app in Xcode iOS simulator ( such as iPhone or iPad ), i find the keyboard do not displayed automatically when i click the […]
When you create an iOS 13 project in Xcode 11 use single view app template, you will find Xcode 11 add a SceneDelegate.swift file automatically besides the AppDelegate.swift file. It […]
In some older version Xcode, it use xib file to help you to design iOS app user interface. This article will tell you how to use xib file to design […]
When i develop an iOS project in Xcode, i create a custom class RootViewController in RootViewController.swift file, this class is a sub class of UIViewController. But during the development process, […]
When i follow article How To Create A Swift App Without Storyboard to learn how to create an iOS app without using storyboard, after i remove the Main.storyboard file and […]
When using Xcode 11 to create a new iOS project, if you still create the root view controller in AppDelegate class’s – func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) […]
UIKit.UIView class has two property frame and bounds, they all save location and size information of the UIView object, but they are different. The difference is that UIView.frame save the data […]
