sendScreenView method
Sends a screen view hit to Google Analytics.
parameters
can be any analytics key/value pair. Useful
for custom dimensions, etc.
Implementation
@override
Future<void> sendScreenView(String viewName,
{Map<String, String>? parameters}) {
var args = <String, String>{'cd': viewName, ...?parameters};
return _enqueuePayload('screenview', args);
}