Execution States of iOS Application
As an iOS developer you should know the different states of iOS app and understand the difference between them
Add blur effect to image in Swift
Use this function to add a blur effect to UIImage in Swift
Atomic and Nonatomic properties in Objective C
The favorite interviewer’s question for iOS developers
Property Observer in Swift
Observe and respond to property changes
Beginner’s guide to Enum in Swift
Swift version of Enum is much more powerful
iOS developer’s guide to NSAttributedString in Swift 3
Customize every single character in your string
How to add custom font to iOS app in Xcode
You can add True Type Font (.ttf) or Open Type Font (.otf) to your app and use it the same way you use font provided by iOS. Add your font file to your Xcode project From menu bar select File->Add Files to “project_name” or just drag font files to your . . . Read more
Custom controls using @IBDesignable and @IBInsepectable
You can design custom controls and render them in real time from Interface Builder using @IBDesignable and @IBInspectable attributes. In the following example we will create a custom UIButton and change its corner radius, border color and border width from InterFace Builder with the help of @IBDesignable and @IBInspectable attributes.
In-Out parameters in Swift
By default function parameters are constants in Swift. If you attempt to change a parameter within a function you will get a compiler error. To Solve this issue and enable a function to have an effect outside its scope we should use In-Out parameters.
How to change UILabel height dynamically to fit all text
In two steps we can make a UILabel change its height dynamically without writing code. UILabel dynamic height First select your UILabel and from “Identity inspector” set number of lines property to 0. Next add Top, Trailing, Leading and Height constraints then select the height constraint and change its “Relation” . . . Read more