Swift

Almost all apps contain some kind of data requests. Printing data requests could sometimes be handy for debugging purposes. This can be done fairly easy by using a custom URLProtocol. Creating a custom URLProtocol A custom URLProtocol is needed to print out the data requests. A custom implementation of URLProtocol ...

Controlling Progress children by default makes it only easy to add children to a Progress instance, but removing is not possible by default. This could have been useful when you want to use a single Progress instance which can have different children over time. Using a custom class MutableProgress makes ...

UI Tests are a great tool to validate your application. It is easy to create them for your main application, but it might be harder to create a UI test for your share extension. This can be just as easy as your main application with some simple steps. UI Test ...

Swift 4.1 is released on the 29th of March and will be shipped with Xcode 9.3. Although it's a minor language release, it did bring some improvements. How to get started? First of all, Swift 4.1 is source compatible with Swift 4.0. So no need to rush! Before you start, ...

In Swift it's kind of unsupported to implemented optional protocol methods. You can, which is ugly, use the @objc syntax: @objc protocol MyProtocol { optional func doSomething(); } class MyClass : MyProtocol { // no error } Another disadvantage here is that structs are unsupported, as you're bridging for Objc ...

Hi there! After thinking a lot of starting my own blog, I've finally made the decision to create one! As iOS developer for my job I found myself experiencing a lot of problems, writing solutions and figuring out what's the best way to create this UI. Many times these are ...