Category: cocoa

Custom In-App Keyboards

Recently, I was asked by the CEO of my project to build a custom numeric keyboard for the iOS app. It's an iPad app, and as

Building the perfect iOS Map (II): Completely custom annotation views

One of the most recurrent topics when working with the MapKit framework and annotations is customising the annotations and callout views in the map to match

Cryptography In IOS (II): Sharing public keys between iOS and the rest of the world
Cryptography In IOS (III): Sharing public keys between iOS and the rest of the world

Let me start this "Sharing public keys between iOS and the rest of the world" post by saying that I love developing for iOS. Cocoa

Digital Leaves. Cryptography in iOS: Symmetric cryptography in Swift. Asymmetric Cryptography in Swift.
Cryptography In IOS (II): Asymmetric cryptography in Swift

This post is the second in a series of articles focused on Cryptography in iOS, concretely, in Swift. In the first post of the series, we

Digital Leaves. Cryptography in iOS: Symmetric cryptography in Swift. Asymmetric Cryptography in Swift.
Cryptography in iOS (i): Symmetric Cryptography in Swift

Hello! This is the first post in a series of articles about Cryptography in iOS. We will start by addressing symmetric cryptography. In the next articles, we

Bezier paths in practice (I): From basic shapes to custom designable controls

CoreGraphics and UIKit provide great tools for customizing the user interface of our Apps and building custom shapes, views and animations, from the lowest level APIs

Demystifying Retain Cycles in ARC

Retain cycles in ARC are kind of like a Japanese B-horror movie. When you start as a Cocoa/Cocoa Touch developer, you don't even bother about their existence.

Tutorial: Building your own custom IBDesignable view: a UITextView with placeholder

One of the more powerful features introduced with XCode 6 and iOS 8 is the possibility to design, build and integrate custom controls directly in