The Ultimate iOS Interview Playbook

9

Understanding Persistent Memory

While, as iOS developers, we primarily focus on UI-related topics such as UIKit and SwiftUI, there are other essential aspects of iOS development to consider, such as persistent memory. This topic is critical as it enables us to store and retrieve information even after an app is closed.

There are many benefits to managing persistent memory well, some of which are detailed here:

• Improving user experience: Apps that can save and retrieve user data later provide a better user experience. For instance, if the user has downloaded information from our backend server, we can show it to them the next time they enter the app without waiting for network requests to complete.
• Providing offline access: Offline access ...