NEW: My new book Pro SwiftUI is out now – level up your SwiftUI skills today! >>

Setting up

In project 10 you learned how to use UIImagePickerController to select and import a picture from your user's photo library. In this project, we're going to add the reverse: writing images back to the photo library. But because you're here to learn as much as possible, I'm also going to introduce you to another UIKit component, UISlider, and also a little bit of Core Image, which is Apple's high-speed image manipulation toolkit.

The project we're going to make will let users choose a picture from their photos, then manipulate it with a series of Core Image filters. Once they are happy, they can save the processed image back to their photo library.

To get started, create a new Single View App project in Xcode and name it Project13.

Hacking with Swift is sponsored by RevenueCat

SPONSORED In-app subscriptions are a pain. The code can be hard to write, full of edge cases, and time-consuming to maintain. RevenueCat provides a backend and wrapper around StoreKit to make things simple so you can focus on building your app.

Explore the docs

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

BUY OUR BOOKS
Buy Pro Swift Buy Pro SwiftUI 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 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 Beyond Code

Was this page useful? Let us know!

Average rating: 4.8/5

 
Unknown user

You are not logged in

Log in or create account
 

Link copied to your pasteboard.