Contributed iOS Tutorials (Appcoda)

How to Generate PDF using HTML Templates and UIPrintPageRenderer in iOS

Have you ever been asked to create PDF documents with content straight from your app? Have you ever even thought how to do that, if you’ve never done it before?
Documenting Your Swift Code in Xcode Using Markdown

Amongst all the features Xcode 7 incorporates, there is one that admittedly distinguishes; that is the new revolutionary, much better way to write code documentation. With the introduction of Xcode 7, developers can use the powerful Markdown syntax to apply rich text formatting to the text of their documentation, which in combination to specific keywords…
Using Quick Look Framework for Previewing Documents

Several treasures like not so well-known frameworks and libraries can be found in the iOS SDK. Most of them can be proved to be real gems and truly useful tools, saving you from hours of extra work. One of them is the Quick Look Framework, and even if you’ve never used it before, it’s easy…
Managing SQLite Database with SwiftyDB

Choosing a way for storing data permanently is something that is always needed when developing applications. There are various options we can pick from: To create single files, to use CoreData or create a SQLite database. The last option includes some extra hassle as the database must be created first, and all tables and fields…
Swift Tutorial: Building an iOS Chat App Using Socket.IO

iOS apps exist in millions out there, and most of them communicate with servers to exchange data. In their majority, the server implements and provides RESTful APIs that apps can use for the communication. When an app needs to send data to the server, or fetch from it, it makes the proper request and after…
A Beginner’s Guide to Push Notifications in Swift

“Push Notifications? Ohh, no!”. Yes, that’s the first thing that was coming to my mind when I was called to implement push notifications in an iOS app, and I’m pretty confident that it has been coming to yours as well. And not because it’s difficult to use push notifications, it’s just all that series of…
Integrating LinkedIn Sign In with iOS Apps Using OAuth 2.0

Social networks are part of our everyday life since a long time ago. Social networks are also part of our programming life, as the majority of the apps must interact somehow with them and send or receive data regarding users. In most cases, users are required to get connected somehow to each social network, and…
How To Use Core Spotlight Framework in iOS 9

Every new iOS version brings along both new “goodies” and advancements to existing technologies for all developers around the globe. Obviously, the latest version, iOS 9, could not just stay out of this tradition, so once again developers have new frameworks and APIs at their disposal that let them leverage their applications to even higher…
How To Create an Expandable Table View in iOS

A common feature of almost all apps is the fact that they provide multiple view controllers to users to navigate and work with. Those view controllers can be used in many ways, such as to simply display some kind of information on-screen, or to gather complex data from user input. Creating new view controllers for…
A Beginner’s Guide to NSDate in Swift

If I was ever asked what’s one of the most common stuff I do among all projects, then I would have answered that dealing with dates is definitely one of them. Undoubtably, there’s no developer out there who doesn’t really need to “play” with the NSDate class and handle dates in some manner, no matter…