Tag: closures

• June 19, 2019

  Launch an Alert from a Closure Safely

  

  Your app can get into problems when you launch UI from others threads, such as closures.  For example, you  might have an app that going to ask for permissions for things like photos, notifications, or location data. The system usually handles those, but you might want to be even more exclusive on what to use, […]
• May 1, 2019

  Understand Closures

  

  You’ll find closures throughout the API’s, but you may not know how to use them properly. Let’s take a basic tour of closures.  Download the exercise file, and you’ll find a project with a playground. In the playground you’ll find a function  to compute a pizza volume. That’s for a round pan pizza, for a […]