![]() So, when you design your app for Dark Mode, before you touch a single line of code, learn this design system and figure out how to take advantage of what it provides. Everything has been designed to fit together. These are made using the same colors and the same materials. The third part of the design system is the built-in views and controls provided by UIKit. Of course these look good on top of any photo that we have, and they work in dark and in light mode. On top of that, there's vibrancy that cuts through the blur and stands out. There are blur effects that look like a translucent material on top of a background. Now, let's move on to the second part of our design system - materials. You can make your own dynamic colors and we'll show you how to do that a little later. And we provide a lot of colors but you will need to make your own. The full catalog of colors is in the human interface guidelines, what they are and when to use them. The secondary color might be used for subtitles and so on. There's four levels of text colors and they let you emphasize which elements are important relative to others.įor instance, the primary color might be used for things like titles. We use this idea of hierarchy for text as well. ![]() Note that dark mode is not just a simple inversion of light mode. On top of that, there's secondary and tertiary system background colors, and these allow you to structure the information hierarchy of your app. That's very familiar, and pure black in dark mode. System background is the base background color, it's pure white in light mode. We have a stack of background colors here designed to work together. Now, our design system provides a whole new palette of colors. You don't have to think about what mode you're in and you don't have to do any work when the mode changes. The great thing is when you use these semantic dynamic colors, UI kit does the work for you. But because these colors are dynamic, they can have different values in light and dark. When we switch back to light mode, we're still using the same colors. So, when we implement UI, we pick an appropriate semantic color for each piece. It's not just pure blue, but it's tweaked to fit with the rest of the colors. That's because we're in a grouped table view, and UI table view gives us that by default.įinally for this icon, we're using system blue. Our background is system grouped background. That's a default color for text and labels. Our text label here uses the color label. These are colors that have a name that explains what they signify. And since there are so many colors, we need to keep organized. Now that we have Dark Mode, almost every one of those colors needs to change. You specify the RGB value of every piece of your UI. iOS apps traditionally have hard coded all of their colors. When we did that, we considered three things.įirst and most important, colors. So, we've taken the iOS design system and extended it for the dark appearance. You see that in Dark Mode, it's the same app in the same layout. So whatever you imagine that your app should look like in Dark Mode, you can achieve it.įirst, let's talk about the design of Dark Mode. ![]() It's also built on top of a very flexible and powerful system. It's easy and we'll demonstrate that to you with some live demos. We're here to help you implement Dark Mode in your apps. Now, when we added Dark Mode to iOS 13, we looked at every piece of the UI and made it look great in this new dark appearance. Welcome to Implementing Dark Mode in iOS.
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