如何检查警报管理器是否已经设置了警报?

When my app starts, I want it to check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.When my app starts, I want it to check if a par