iOS Tutorial

When you create an iOS app and run it in a simulator, you may find that the default app icon on the screen is a grid picture, this is not beautiful. This article will tell you two methods about how to change the default iOS app icon to your desired icon both in a simulator

When I develop and run an iOS app in Xcode iOS simulator ( such as iPhone or iPad ), I find the keyboard does not display automatically when I click the mouse key on a text field or text view UI component like below. This confused me for some time, and finally, I find the

This example will show you how to add a UIButton object and a UILabel object to your iOS app. It will also show you how to add a swift button action process method to handle the button click event to change the label text accordingly when the user clicks the button.

UIKit.UIProgressView class is used to implement the iOS progress bar component. This article will tell you how to use it both in the Main.storyboard visually and swift source code programmatically. First, let us look at the example video below.

This example will tell you how to use UIActivityIndicatorView class to implement iOS activity indicator both visually ( in the Main.storyboard file ) and programmatically in swift source code. First, let us look at the example demo video below.

When I develop the iOS app user interface, I add one button and one activity indicator in the main storyboard file. Because I want to write swift source code to manage the button and the activity indicator, so I press the Control key and Drag & Drop the button and the activity indicator from the

We all know the iOS alert dialog is a modal dialog that will prompt at the iOS device screen center as usual, but it can also slide out from the iOS screen bottom. This example will show you how to slide out alert action sheet dialog from screen bottom in iOS app use swift.