What context Should be Use in setUserVisibleHint Method
问题 Because All fragment loaded with together In Pager Sliding tab , I need to use setUserVisibleHint() for laoding that fragment selected . I have Problem with Context in the setUserVisibleHint() method : It raised NPE Exception when I use getActivity for my Context. Thanks 回答1: Because getActivity will return null before fragment attached to Activity you need check this value will null or check fragment attached to activity or after onActivityActtached function. @Override public void