Keeps track of internet connectivity and notifies its listeners when the
internet connection is either lost or regained. For most use cases, use
the concrete FlutterConnectivityMonitor class in the serverpod_flutter
The file uploader uploads files to Serverpods cloud storage. On the server
you can setup a custom storage service, such as S3 or Google Cloud. To
directly upload a file, you first need to retrieve an upload description
from your server. After the file is uploaded, make sure to notify the server
by calling the verifyDirectFileUpload on the current Session object.
Handles communication with the server. Is typically overridden by
generated code to provide implementations of methods for calling the server.
This is the concrete implementation using the io library
(for Flutter native apps).
The StreamingConnection handler manages the web socket connection and its
state. It will automatically reconnect to the server if the connection is
lost. The listener will be notfied whenever the connection state changes
and once every second when counting down to reconnect. The time between
reconnection attempts is specified with retryEverySeconds, default is 5