我似乎无法让Firebase助手在Android中工作,并得到以下错误。com.google.common.collect.Iterators$1.next(Iterators.java:81) at com.google.services.firebase.DependencyStateManager.getDependencyState(DependencyStateManager.java:60) at com.google.services.firebase.DependencyStateManager.init(DependencyStateManager.java