Working with URL Schemes in iOS Apps
The URL scheme is an interesting feature provided by the iOS SDK that allows developers to launch system apps and third-party apps through URLs. For example, let’s say your app displays a phone number, and you want to make...
Building a Barcode and QR Code Reader in Swift 4 and Xcode 9
So, what’s QR code? I believe most of you know what a QR code is. In case you haven’t heard of it, just take a look at the above image – that’s a QR code. QR (short for Quick Response) code is a kind of...
Building a QR Code Generator with Core Image Filters
One of the first tutorials I contributed here at Appcoda was a guide about how to create a QR code reader in iOS. At that time of course, the code of that tutorial was written in Objective-C, as Swift wasn’t still existing....
Building a QR Code Reader in Swift
So, what’s QR code? I believe most of you know what a QR code is. In case you haven’t heard of it, just take a look at the image below. That’s QR code. QR (short for Quick Response) code is a kind of...
How To Scan QR Code Using AVFoundation Framework
iOS 7 brings a wealth of new features that set it apart from all other mobile operating systems. Both major additions and minor improvements have been made, offering developers new or updated frameworks and APIs to work with, and...