This example will show you how to create a swift button programmatically and how to set it’s text, text color, border width, border color, border corner radius and most important is how to add text margin / padding between the text and button border etc.
This article will tell you how to add one button, two buttons, three buttons, and the editable text fields in an iOS alert dialog in swift. The alert button style type can be UIAlertAction.Style.default, UIAlertAction.Style.cancel and UIAlertAction.Style.destructive. Now let us look at the demo picture below.
WebKit.WKWebView class provides functions to implement a micro web browser. It mainly provides three functions that can be used to load and display local Html file data, local binary file data ( such as an image file ), a remote web resource with provided URL (such as http://google.com, file://1.1.1.1/abc.txt), etc. This article will introduce how …
In my iOS app, I add a UITextField in the Main.storyboard file. When I run the app in the iOS simulator, I find I can not input text in the UITextField use my Mac book pro hardware keyboard. And I find the soft keyboard does not prompt in the iOS simulator when I focus on …
How To Enable Text Input In Swift UITextField & UITextView When Run App In iOS Simulator Read More »
WebKit.WKWebView class is used to implement a micro web browser in the iOS app or Mac OS app. It provides several methods to load Html URL pages, local Html files, etc. But when I use it to load and display the Html page in iOS version 9 and later, I find it can not display …
How To Fix Swift WKWebView Do Not Load URL Page Error Read More »
When I develop an iOS app, I add a UITextField in the app UI programmatically. And I also add some constraints to the UITextField object in swift source code to make it auto layout. But when I run the app, it throws an exception with the error message ‘NSGenericException’, reason: ‘Unable to activate constraint with …
This example will tell you how to use the swift UISlider class to create a slider in the iOS app. There are two sliders in this example. The above slider is added in the interface builder. The below slider is added in swift source code programmatically. When you slide the slider, the related slider’s value …
How To Customize Swift Slider In iOS App Example Read More »
When I develop an iOS app with Xcode, I design the user interface by edit the Main.storyboard file. But when I click the Main.storyboard file to edit it, I can not find the View Controller Scene (Document Outline) panel at the center editor’s left side. This confused me a lot. Finally, I find the solution …
How To Display Or Hide View Controller Scene ( Document Outline ) Panel In Xcode Project Read More »
This example will tell you how to add and use the iOS UISegmentedControl object both in the Main.storyboard visually and programmatically in swift source code. There are two UISegmentedControl objects on the app screen. The above one is added to the Main.storyboard visually, when click it’s item, it will display the item title or image …
How To Use iOS UISegmentedControl In Swift Programmatically Example Read More »
This example will tell you how to create and use the UISwitch component both in Xcode interface builder and swift source code. It will add one label, one UISwitch to the Main.storyboard. And the other UISwitch component is created and used in ViewController.swift file uses source code programmatically. Let us first look at the example …
How To Use iOS UISwitch In Interface Builder And Programmatically In Swift Example Read More »
