what are app extensions?
Asked on 2024-07-30
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App extensions are a way to extend the functionality and content of your app beyond its main interface, making it available to users while they interact with other apps or the system. They are separate targets that get embedded in your application. For example, a new type of app extension can run from the lock screen, allowing users to quickly and easily capture photos or videos using the familiar UI from your app, even when their device is locked.
App extensions can be launched from various controls such as the control center, an action button, or directly from the lock screen. Once launched, the extension can capture content and either add it directly to the user's photo library or store it in a provided directory on the file system. Extensions can also request to open the parent application for more in-depth interactions, such as sharing content or applying filters.
For more detailed information, you can refer to the session Build a great Lock Screen camera capture experience (02:44).
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