startDocumentLoadedListener function
Listens for when PdftronFlutter.openDocument or DocumentViewController.openDocument has finished loading the file.
var documentLoadedCancel = startDocumentLoadedListener((path) {
print('flutter document loaded: $path');
});
Returns a function that can cancel the listener.
Implementation
CancelListener startDocumentLoadedListener(DocumentLoadedListener listener) {
var subscription = _documentLoadedChannel
.receiveBroadcastStream(eventSinkId.documentLoadedId.index)
.listen(listener, cancelOnError: true);
return () {
subscription.cancel();
};
}