Size classes are groups of sizes. Apple sees iOS device sizes as compact or regular. A device may have a compact width or height, or a regular width or height. These attributes change depending on orientation. See how to use these classes to develop bette
- [Teacher] Apple groups devices into having…either a regular width or a compact width…and a regular height or a compact height.…So these are called size classes.…You can see which devices and which orientations…fall into which size classes directly in Xcode.…At the bottom of the screen in Interface Filter,…I want to point you to where it says View As, then will…say the name of the device and then some parentheses.…In the parentheses, you'll see w,…and then a letter, an h, then a letter.…
Of course w is for width and h is for height.…The C stands for compact, and if you're…seeing an R, that stands for regular.…So an iPhone 4S in landscape orientation…has a compact width and a compact height.…So an iPhone 6S Plus or an iPhone 7 Plus has a…compact width and a regular height in portrait.…In landscape, it has a regular width and a compact height.…It's important to understand…which devices have which attributes.…
The reason why this matters is that Xcode actually…allows you to vary your user interfaces based on a…device's width or height being compact or regular.…
Author
Todd Perkins
Released
11/18/2016These Xcode tutorials help new developers install Xcode and start writing and editing code. Instructor Todd Perkins shows how to build a brand-new user interface (UI) with buttons and menus in Interface Builder, Xcode's intuitive UI design tool, as well as advanced designs that adapt to screen size, aspect ratio, and orientation changes. He reviews the version control and storyboard features, as well as the basics of schemes and behaviors. Plus, learn how to compile and debug apps, test apps in the iOS Simulator, and send your app to Apple for distribution in the App Store.
- What is Xcode?
- Installing Xcode 8
- Creating your first Xcode project
- Editing code
- Creating snippets
- Adding Git version control
- Making interface connections to the code
- Using Interface Builder
- Creating storyboards
- Pinning objects
- Compiling code with the LLVM compiler
- Working with schemes and behaviors
- Sharing resources in a workspace
- Catching common errors with Analyze and Fix-It
- Using the iOS Simulator
- Preparing an app to be published
Skill Level Beginner
Duration
Views
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Introduction
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Welcome47s
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1. Getting Started
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What is Xcode?1m 57s
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Install Xcode 840s
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Explore the user interface4m 59s
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Use tabs2m 2s
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Open files quickly1m 9s
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View the Xcode documentation2m 14s
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Use the Quick Help inspector1m 52s
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Import assets4m 57s
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2. Edit Code
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Create snippets4m 6s
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Use the Symbol Navigator2m 48s
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Prototype in a playground3m 44s
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3. Version Control
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Commit changes2m 34s
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4. Interface Builder Basics
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Explore Interface Builder5m 58s
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Use the Identity Inspector5m 33s
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Use the Attributes Inspector3m 55s
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Use the Size Inspector2m 45s
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5. Storyboards
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Understanding pinning7m 16s
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Modify pins3m 26s
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6. Compiling
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Work with schemes3m 1s
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Use behaviors1m 51s
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7. Debugging
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Use the debugger3m 42s
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Work with breakpoints3m 15s
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8. Workspaces
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Create a workspace4m 18s
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9. Static Analysis Tools
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Correct errors with Fix-it1m 54s
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Use the Analyze tool1m 48s
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10. The iOS Simulator
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11. Publishing Apps
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Send an app to Apple2m 40s
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Conclusion
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Next steps1m
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Video: Understanding size classes in iOS