NEW: Subscribe to Hacking with Swift+ and accelerate your learning! >>

How to share content with UIActivityViewController

Swift version: 5.2

Paul Hudson    @twostraws   

Before iOS 6.0 was released there were a number of third-party libraries that tried to simplify the sharing of content, but even with those libraries in place it was still far too hard. Fortunately, Apple added UIActivityViewController, a class that makes sharing to any service as simple as telling it what kind of content you have.

The nice thing about UIActivityViewController is that it automatically takes advantage of the apps the user has installed. If they have configured Twitter, they can post tweets; if they have configured Facebook, they can post to their timeline; if they have a printer configured, they can print your images; and more. It takes no extra work from you: you just tell iOS what kind of content you want to share, and it does the rest.

Here's how you share an image:

if let image = UIImage(named: "myImage") {
    let vc = UIActivityViewController(activityItems: [image], applicationActivities: [])
    present(vc, animated: true)
}

And here's an example of sharing a text and an image:

let shareText = "Hello, world!"

if let image = UIImage(named: "myImage") {
    let vc = UIActivityViewController(activityItems: [shareText, image], applicationActivities: [])
    present(vc, animated: true)
}

If you want to share a URL to a website, make sure you wrap it up in a URL first.

Hacking with Swift is sponsored by Instabug

SPONSORED Are you tired of wasting time debugging your Swift app? Instabug’s SDK is here to help you minimize debugging time by providing you with complete device details, network logs, and reproduction steps with every bug report. All data is attached automatically, and it only takes a line of code to setup. Start your free trial now and get 3 months off exclusively for the Hacking with Swift Community.

Start your free trial!

Sponsor Hacking with Swift and reach the world's largest Swift community!

Available from iOS 6 – see Hacking with Swift tutorial 3

Similar solutions…

About the Swift Knowledge Base

This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.

BUY OUR BOOKS
Buy Pro Swift Buy Swift Design Patterns Buy Testing Swift Buy Hacking with iOS Buy Swift Coding Challenges Buy Swift on Sundays Volume One Buy Server-Side Swift (Vapor Edition) Buy Advanced iOS Volume One Buy Advanced iOS Volume Two Buy Advanced iOS Volume Three Buy Hacking with watchOS Buy Hacking with tvOS Buy Hacking with macOS Buy Dive Into SpriteKit Buy Swift in Sixty Seconds Buy Objective-C for Swift Developers Buy Server-Side Swift (Kitura Edition) Buy Beyond Code

Was this page useful? Let us know!

Average rating: 3.5/5

Link copied to your pasteboard.