WWDC21 Challenge: Design a quiz in Swift Playgrounds

Do the folks in your life know your favourite animal noise? How concerning the ebook that modified your life? Your least favourite pizza topping? Design a “How effectively are you aware me?” quiz to see who is aware of probably the most about your quirks and pursuits.

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WWDC21 Problem: Design a quiz in Swift Playgrounds

Start the problem

This problem invitations you to create a quiz utilizing the Solutions ebook in Swift Playgrounds. Your “How are you aware me” quiz ought to ask a sequence of questions and in the end return a rating (and probably a colourful description!) based mostly upon what number of questions have been answered accurately.

To get began, obtain and open Swift Playgrounds in your iPad or Mac, then choose See All from the decrease proper nook to launch the Swift Playgrounds content material display. From right here, you could find the Solutions ebook below “Beginning Factors” and obtain a duplicate to your machine.

The Solutions start line comprises a web page referred to as “API Overview,” which dives into the API for this playground. You should utilize the present name to show textual content or photographs, and use a number of completely different ask calls to request suggestions from the participant and retailer their response as variables. You should utilize the mix of those API calls to construct up your personal customized quiz questions and verify responses in opposition to your personal reply key.

You should utilize Solutions to construct all types of various text-based timber and quizzes, and for those who really feel strongly about making a special sort of quiz, please do! We extremely encourage you to discover alternative ways of utilizing this start line to make one thing that you just’re enthusiastic about. And for those who’d prefer to share what you’ve constructed with the neighborhood, put up a video of your quiz in motion or share a hyperlink within the Developer Boards.

Study to Code with Swift Playgrounds

Swift Playgrounds is a revolutionary app for iPad and Mac that helps you be taught and discover coding in Swift, the identical highly effective language used to create world-class apps for the App Retailer. Partaking classes and challenges assist college students be taught the core ideas of coding by writing actual Swift code in an interactive atmosphere.

Study and Discover

In Swift Playgrounds, a single line of code could make wonderful issues occur. You’ll create small packages referred to as “playgrounds” that immediately present the outcomes of the code that you just write. Interactive classes educate key coding ideas, and extra challenges and beginning factors encourage you to discover code in thrilling new methods to construct distinctive creations. And third events publish playgrounds you should utilize to regulate robots, drones, and different {hardware} equipment with Bluetooth. It’s straightforward to share your creations with pals, or file and put up movies of your playgrounds in motion.

Coding Ideas

Swift Playgrounds contains interactive classes that use puzzles and experimentation to show the next core coding ideas, and extra:

• Instructions
• Capabilities
• Parameters
• Loops
• Conditional statements
• Variables
• Operators
• Sorts
• Initialization

Actual Swift. Actual Frameworks.

The Swift programming language was designed to be approachable sufficient to be your very first programming language. Swift can also be extremely highly effective, utilized by skilled builders to create over half one million apps on the App Retailer. Utilizing Swift Playgrounds, you’ll be coding inside minutes. At the same time as you develop into more adept, you’ll by no means outgrow Swift.

Swift Playgrounds provides you entry to key frameworks, resembling UIKit, SpriteKit, Bluetooth, and Metallic. Your code can instantly work together with the iPad or Mac on which it runs. As an illustration, on iPad your playgrounds reply to the touch gestures and work together with {hardware}, such because the accelerometer, gyroscope, and digicam.

Experiment with Code

Typically one of the best ways to be taught is to discover by yourself, and Swift Playgrounds is a good place to let your creativeness run wild. Along with the guided Study to Code classes, Swift Playgrounds contains many challenges, with new ones on the horizon, so you possibly can hold coming again to strive one thing new. Some challenges encourage you to play with code to create fascinating results, whereas others embrace engrossing puzzles that require your whole coding abilities to resolve.

Further beginning factors included in Swift Playgrounds provide help to create playgrounds from scratch. With entry to 1000’s of APIs within the iOS and macOS SDKs, you possibly can create wonderful playgrounds that discover the net, generate 3D worlds, experiment with physics, and rather more.

Many playgrounds allow you to edit a number of Swift supply information and add your personal to the included modules to create infinitely highly effective packages. Most playground information may be edited, prolonged, remixed, or utterly reinvented. Collaborate with pals or reimagine them by yourself.

Constructed for Contact

Swift Playgrounds for iPad was designed from the bottom up for contact, so you possibly can create complete packages with only some faucets on the display. Distinctive coding options embrace:

• QuickType for code. The Shortcut Bar intelligently presents the most certainly subsequent instructions or values based mostly on context. It’s straightforward to jot down complete strains of code with out touching a keyboard.
• Coding keyboard. When the time comes for typing, enter numbers and symbols generally utilized in Swift coding by dragging your finger throughout a key to pick one of many alternate symbols.
• Contact to edit. Faucet a colour worth to show a colour picker or faucet a picture worth to decide on a photograph out of your library. You possibly can even restructure your code by merely dragging a brace to wrap across the surrounding code.

Swift Playgrounds helps you write appropriate code by figuring out errors as you sort and providing recommendations to assist appropriate the errors.

Highly effective on Mac

Swift Playgrounds for Mac provides options that make the most of the broad display on Mac, and contains an always-available keyboard. Distinctive coding options for Mac embrace:

• Code recommendations with assist. Code recommendations seem with transient assist so you possibly can choose precisely the right code.
• Keyboard navigation. Press the Esc key to toggle between the modifying space and the code suggestion record, so that you by no means have take your fingers off the keyboard.
• Sidebar. Develop the sidebar to disclose the entire record of pages, and soar anyplace throughout the playground. In additional superior content material, shortly open supporting Swift information in further editor tabs with a click on.

Code modifying on Swift Playgrounds for Mac intently matches Xcode, the skilled developer instrument used to create apps for the App Retailer. And since each apps are on Mac, you possibly can experiment with concepts in Swift Playgrounds and simply copy that code into Xcode.

Command Robots, Pilot Drones, and Extra

Swift Playgrounds contains equipment playgrounds that educate you find out how to use Swift code to command LEGO MINDSTORMS EV3 robots that you just construct, use iPad to information a Sphero SPRK+ robotic across the room, pilot a drone from Parrot or Tello, and even educate a MeeBot to bop. Swift Playgrounds contains guided classes for every accent, in addition to template beginning factors you should utilize to jot down your personal packages that management the next units:

• LEGO MINDSTORMS EV3
• Sphero SPRK+
• Drones by Parrot and Tello by Ryze
• MeeBot by Jimu Robots
• Sprint by Surprise Workshop
• Skoog musical instrument

As a result of Swift Playgrounds makes use of actual Swift code with entry to the Bluetooth radio on iPad and Mac, any developer can create a playground to connect with further robots and and units, then share them with the world.

Share Throughout Units

Swift Playgrounds for Mac is constructed with Mac Catalyst, providing you with the power to edit the very same playground file on iPad and Mac. iCloud Drive seamlessly shares your playgrounds, and modifications you make on both iPad or Mac instantly seem in your different units. It’s straightforward to start out a undertaking on iPad and open the file on Mac to maintain coding. You possibly can even open Xcode playgrounds in Swift Playgrounds for iPad to do some professional coding on the go.