Download image from url ios swift

Next time when you request to download image with that particular URl, it will load it from cache. You can use pod SDWebImage to achieve the same. Its easy to use. Yo can get documentaion here SDWebImage. If using a library is not an issue, you can do it by help of the AlamofireImage.

Swift 4. Swift 2. AsyncImage is officially introduced after iOS 15, a view that synchronously loads and displays an image. See more in doc. I have created a simple class function in my Utils. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 7 years, 5 months ago. Active 25 days ago. Viewed k times. Mick MacCallum k 40 40 gold badges silver badges bronze badges. QuentR QuentR 4, 3 3 gold badges 11 11 silver badges 12 12 bronze badges.

Try this imageURL. Perfect it worked! Strange — QuentR. LeoDabus That's fine. It's been my understanding that the "swift" tag will always refer to the current version.

The tags that specify a version are used for questions related to a version specific language feature. It's not definitive, but check out this meta post. Show 1 more comment. Active Oldest Votes. The image will continue downloading in the background and it will be loaded when it ends. Leo Dabus Leo Dabus k 55 55 gold badges silver badges bronze badges. Just a side note here, you should set an associated object to it; Otherwise you might load images on top of each other.

If process 1 takes longer then process 2, process 2 will show its image and it will then later be updated by process 1 even though that image is no longer valid for the user. PaulPeelen could you add more info about how this would be done? It would be great if we could make this awesome answer even better. The first one downloads to memory the second one to a file — Leo Dabus. Show 31 more comments. Data contentsOf: url!

Lucas Eduardo Lucas Eduardo Perhaps you can update your answer? I still do not agree. Some answers should be kept simple, a lot of people that comes here likes to copy and paste small snippets of code. I just translated to Swift the objective-C code from the original question, everything besides that is a bonus. And by the way, there is already a answer in this same question providing this kind of bonus information, which makes less sense to duplicate information.

User just replace the image. IanWarburton Of course you can use whatever you want :. Heyo, the suggested framework, kingfisher, as stated in the answer will do all of the heavy lifting. Thanks for the suggestion! Show 11 more comments. Please can you give some suggestion about that..?? I just had to modify the code of the DispatchQueue to be the following to make it work.

I am using Xcode 8. Asselinka if you run this code you will get your default image and wait for a secs and you will see the images you used load up in place of the default images as they are traveling back to device or simulator over internet from Firebase. I already edit it to be useful in any case, didn't try it yet but should work. Really appreciate the comment, will check it in new Xcode versions and make any change needed, didn't touch Xcode for a long time now hahaha.

With download url:toFile:completion: implemented, the next step is to create an interface that:. An important consideration is where to cache images. One option is the temporary directory read more.

On Apple platforms like iOS, the temporary directory will automatically be cleared in low-memory situations. The function loadData url:, completion: uses download url:, toFile:, completion: and FileManager to complete the implementation for downloading, caching, and reading files and images from a URL :.

Many apps do not require the features of third-party frameworks to support efficient file and image downloading.