addErrorListener method
Register a function to be called when the error occurs.
Implementation
ErrorListeningCanceler addErrorListener(ErrorCallback listener) {
_callbacks.add(listener);
return () {
_callbacks.remove(listener);
};
}
Register a function to be called when the error occurs.
ErrorListeningCanceler addErrorListener(ErrorCallback listener) {
_callbacks.add(listener);
return () {
_callbacks.remove(listener);
};
}