iOS Swift - Networking
You want to cache images loaded from URLs to improve performance. Which approach best combines image loading with caching in Swift?
You want to cache images loaded from URLs to improve performance. Which approach best combines image loading with caching in Swift?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand caching purpose
Caching stores images in memory to avoid repeated downloads.Step 2: Identify best caching method
NSCache is designed for temporary in-memory caching and works well with URLSession.Final Answer:
Use URLSession to download images and store them in NSCache for reuse -> Option CQuick Check:
Image caching = URLSession + NSCache [OK]
Quick Trick: Combine URLSession with NSCache for efficient image caching [OK]
Common Mistakes:
- Saving large images in UserDefaults causing performance issues
- Not caching images causing repeated downloads
- Assuming UIImageView caches images automatically
Master "Networking" in iOS Swift
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