好的，这是我的问题:我想使用fragment实现ChrisbanesActionBar-PullToRefresh库，以便能够将其与Navigationdrawer一起使用。https://github.com/chrisbanes/ActionBar-PullToRefresh#fragments.Chrisbanes说这是为了与fragment一起使用:OnethingtonoteisthatthePullToRefreshAttacherneedstobecreatedintheonCreate()phaseoftheActivity.Ifyouplanonusingthisli