addOnQuizCompleteCallback method
Implementation
void addOnQuizCompleteCallback(Function? onQuizCompleteCallback) {
if (onQuizCompleteCallback != null) {
_onQuizCompleteCallbacks.add(onQuizCompleteCallback);
}
}
void addOnQuizCompleteCallback(Function? onQuizCompleteCallback) {
if (onQuizCompleteCallback != null) {
_onQuizCompleteCallbacks.add(onQuizCompleteCallback);
}
}