How do I implement fileprovider

To implement a file provider using the new features discussed at WWDC, you can leverage the file entity API, which is particularly useful for document-based apps or apps that manage files. Here are the key steps and concepts:

1. File Entity API: This API allows you to represent files as entities that other apps can understand and access securely. This is useful for scenarios where your app's entities are files, such as text documents or images.

2. Creating a File Entity Identifier: You can create a file entity identifier with a URL or as a draft identifier if the file doesn't exist yet. The identifier uses the URL's bookmark data, ensuring the entity remains valid even if the file is moved or renamed.

3. Supported Content Types: When implementing a file entity, you need to provide a list of supported content types. This allows other apps to understand what types of content your file entity can represent.

4. Secure Access via Siri and Shortcuts: Siri and Shortcuts can facilitate secure access to your file entities, allowing other apps to perform actions on them, such as rotating an image.

Here is an example of how you might implement a file entity:

struct MyPhotoEntity: AppEntity {
    static var typeDisplayRepresentation = TypeDisplayRepresentation(name: "Photo")
    
    var id: FileEntityIdentifier
    var displayRepresentation: DisplayRepresentation {
        DisplayRepresentation(title: "My Photo")
    }
    
    static var supportedContentTypes: [UTType] {
        return [.image]
    }
    
    init(id: FileEntityIdentifier) {
        self.id = id
    }
}

In this example, MyPhotoEntity represents a photo file. The id is a FileEntityIdentifier, which can be created with a URL. The supportedContentTypes array specifies that this entity supports image files.

For more detailed information, you can refer to the session What’s new in App Intents (09:58).

Relevant Sessions

1. What’s new in App Intents
2. Build a great Lock Screen camera capture experience

These sessions provide a comprehensive overview of how to work with file entities and manage captured content securely.