iOS Tutorial

UIKit.UIAlertController class is used to implement prompt alert dialog in iOS swift application. This example will show you how to display alert dialog when click a swift button.

When you develop the iOS app in swift, you can create and set UI component’s attributes both in swift source code and use Xcode attributes inspector. We have learned how to do it programmatically in the article How To Create Multiple Button And Add Button Action Function Programmatically In iOS Swift, this article will tell

We have learnt how to use one IBAction function to process multiple button click event in article How To Use One IBAction For Multiple Buttons In Swift. In that example, we set a tag attribute value for each swift button, and then use that tag attribute value to distinguish which button is clicked in one

When you use UIKit.UIButton class’s setImage method to set swift button’s icon image, if the image is not icon format, it will display a purely blue color rectangle instead of the image. You can fix this error by converting the image to an icon format image. But you can also fix this error by setting

We have learned how to set a button background image in the article How To Set Swift Button Background Image Example. Besides this, you can also set an image as a swift button’s icon, and set an image as the swift button background color. This article will show you how to do it and the

In the previous article ( in this article’s reference section ), we have learned how to create a swift button with UIButton class and how to add click event process function to it, we have also known how to set the swift button’s background color and how to create a different type of swift button.

We have learned how to add a button click event process function in the article iOS Add Click Event To UIButton Swift Example. In that article, if you want to process multiple button click events, you should create multiple IBAction functions to process. But sometimes, for code simplicity, you need to use only one IBAction