expo-document-picker — File selection from Files/iCloud

Access native file pickers for iCloud and local storage with a single asynchronous call.

This library provides a streamlined interface for users to browse and select files from system providers like iCloud, Google Drive, and local storage. Developers invoke getDocumentAsync() to trigger the native picker, which returns a result object containing the file URI, name, size, and MIME type. The API supports multiple file selection via the multiple flag and allows precise filtering through the type property (e.g., application/pdf or image/*). It handles complex platform permissions and scoping requirements for iOS and Android 11+ (Scoped Storage) out of the box.

https://docs.expo.dev/versions/latest/sdk/document-picker/