How Do I Use SDWebImage?

Is NSCache thread safe?

One more thing about NSCache is, it is thread safe.

We can access it from any thread without worrying about managing threads while accessing NSCache.

You can set & get name for cache.

The default value is an empty string (“”)..

What is meant by caching?

Cache is a type of memory that is used to increase the speed of data access. Normally, the data required for any process resides in the main memory. However, it is transferred to the cache memory temporarily if it is used frequently enough. The process of storing and accessing data from a cache is known as caching.

How do I use SDWebImage in Swift 4?

Click File -> Swift Packages -> Add Package Dependency , enter SDWebImage repo’s URL. Or you can login Xcode with your GitHub account and just type SDWebImage to search.

What is SDWebImage?

SDWebImage – Asynchronous image downloader with cache support as a UIImageView category.

How do I download asynchronous images in Swift?

Architecting Asynchronous Image Download and Caching in SwiftGiven the image URL, download the image from that URL.Download should happen in the background, and thus should not block the main thread.It may simultaneously be used by different parts of app.It should be thread safe.Should be configurable from outside.It should cache images.Apr 26, 2020

How do I cache an image in Swift?

Cache Images in a UICollectionView Using NSCache in Swift 5Understanding what an NSCache is and how to use it.Creating a centered UICollectionView layout.Executing image-loading tasks on a background thread.Understanding why it is better to use an NSCache instead of a plain Dictionary when we want to cache heavy objects.Sep 10, 2020

What is Nscache in IOS?

A mutable collection you use to temporarily store transient key-value pairs that are subject to eviction when resources are low.