Make App Pie
Training and Instructional Design
Tag: closures
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…
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…
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