A widget that detects the visibility of its child and notifies a callback.
A plug-in to add support for payments on Flutter applications.
Obtain Access credentials for Google services using OAuth 2.0
A scroll controller that allows two or more scroll views to be in sync.
A URL-safe base64 encoding for UUIDv4 stripped of padding. Useful when embedding short random UUIDs in URLs.
Utilities for working with chunked streams, such as byte streams which is often given as a stream of byte chunks with type `Stream<List<int>>`.
A Dart library containing convenient extension methods on basic Dart objects.
Auto-generated client libraries for accessing Google APIs described through the API discovery service.
Cross-platform implementation of Web Cryptography APIs for Flutter.