This time of year, before I leave the house, I glance at the weather widget to determine if I need a coat and hat before going outside. For example, you can get an almost-instant read on the current atmospheric conditions by glancing at one of several available weather widgets. There are widgets for weather, battery power, maps, stock exchanges - with many more available. Take a look at your iPhone’s Today View right now. When a user taps/clicks a widget, they go straight to your app and should land on a page that gives them more details about what they just glanced at. Widgets should display your app’s most relevant content, allowing users to get important information with a glance. By starting an app group, I’ve created the beginnings of a group of related apps sharing - centralizing - settings like view color scheme, even if all the apps are sandboxed.Ĭontinue reading “Beyond the sandbox: using app groups to communicate between iOS or macOS apps”īy using a combination of SwiftUI and WidgetKit, you can increase the visibility of your app’s content and enhance the user experience by placing one or more “widgets” on the user’s iOS Home screen, macOS Notification Center, and/or iOS Today View. If one app sets (writes) this shared background color preference to, say, the color green, other app group members read this preference and can change their view layer backgroundColor property to. The preference is the background color to be used by app group apps’ UIView instances. plist file that lives in the special group container. In the macOS sample app that accompanies this tutorial, several apps share a preference stored in a. Member apps of an app group share access to a special group container, a shared folder structure, whose root folder has the same name as the app group ID. A company may carefully decide to share its Team ID with a trusted partner company, not just with different teams within its own organizational structure. I’m glad they did as the usefulness of app groups outweighs the dangers.Īs long as all developers involved in creating apps meant to be part of an app group can securely share a Team ID from an Apple Developer portal account, they can write apps that can transcend sandboxing. Apple realized at some point that it would allow apps developed by the same team, with the same Team ID - built by the same people and thus hopefully less risky - to intercommunicate. But isn’t sandboxing a security mechanism meant to keep apps isolated from each other? Yes and no. Notice that I said that I can get sandboxed apps to communicate with each other. I’ll also tell you how to download installers for approximately every public macOS build number within the last two years.Īpple’s “app group” technology allows a collection of sandboxed macOS or iOS apps from the same development team to all communicate with each other, coordinate functionality, share resources, and/or minimize redundancies. More specifically, I’ll tell you how to install Apple’s new and first alpha version of its desktop operating system software, macOS Ventura 13.0, from a Mac that is most likely still on macOS Monterey - especially if you keep up with the Apple world. Here’s what you see after you download the installer for macOS 13.0 Ventura (installer highlighted in green): Wouldn’t it be nice if you could just get a list of available macOS versions, select the one you want, have that macOS installer app download to your /Applications folder, and then you can run that installer whenever you’re ready? You can and I’ll show you how. Last year, 2021, the company gave us macOS 12.0 Monterey. On October 24 of this year, Apple graced us with macOS Ventura 13.0. Apple likes to publish a new Mac operating system every year, including beta versions and incremental builds, and there can sometimes be many of those released throughout the year, like we’ve seen in 2022.
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