startDocumentErrorListener function
Listens for errors that could occur while PdftronFlutter.openDocument or DocumentViewController.openDocument is loading the file.
var documentErrorCancel = startDocumentErrorListener(() {
print('flutter document loaded unsuccessfully');
});
Returns a function that can cancel the listener.
Implementation
CancelListener startDocumentErrorListener(DocumentErrorListener listener) {
var subscription = _documentErrorChannel
.receiveBroadcastStream(eventSinkId.documentErrorId.index)
.listen((stub) {
listener();
}, cancelOnError: true);
return () {
subscription.cancel();
};
}