如何在android中的片段中设置应用程序上下文？

i have an ActionBar that has 2 tabs and each tabs layout is a fragment. in 1 of these tabs , there is a listView. and i want to set ArrayAdapetr for it. but when i run app, error occurred and error is about my application context. my code is :i have an ActionBar that has 2 tabs and each ta