Swift: Enums
An enum is a data type that has a finite set of possible values. In this post we discuss will the most important aspects of enums in Swift.
Continue readingXcode: Navigating Through Your Project
If you are an iOS developer, you are navigating through your project the whole day. You can save a lot of time and increase your productivity if you know some tricks that make your life easier.
Continue readingBuilding Memory Efficient Apps
The performance of mobile devices got much stronger over the last few years. However, there is and always will be a huge performance deficit compared to desktop computers. At the same time, requirements
Continue readingThe Best iOS Development Resources
There are a lot of very interesting iOS development resources on the internet. This is a list of the best ones.
Continue readingOptionals in Swift
Every variable can be declared as a so-called optional in Swift. As an optional, the variable is allowed to become nil what is equivalent to the absence of a value.
Continue readingObjective-C: Nullability
One of the biggest differences between Objective-C and Swift is the handling of nullability. But since Xcode 6.3 there are two new keywords in Objective-C that improve their interoperability: nullable
Continue readingError Handling in Swift 2.0
Swift 2.0 has a new way of error handling. It uses a do-try-catch syntax, which is the replacement for NSError . In this post we will discuss how to use this new syntax.
Continue readingUsing Custom Fonts
Out of the box iOS provides you a rich set of fonts. But sometimes there is the need to add another font to your project. For example, this could be one of the Google Fonts, which are open source. In
Continue readingThe MVC-Trap
The fundamental software architecture pattern in iOS and Mac OS development is the Model-View-Controller pattern (MVC). The idea of this pattern is, that each of these three layers has a clear and precise
Continue readingLoading a View from a XIB
Generally, there are two ways to layout views: building it in interface builder or by coding. Both ways have their applications, but in many cases the interface builder way is more comfortable. If you
Continue readingContainer ViewController
Basically, there are two types of view controllers: Content view controllers and container view controllers. Container view controllers are used to manage some set of content view controllers and present
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