How to solve the problem that Fragment getActivity () getContext () gets a null return after the API callback

    The context, development of fragment in the
  1. API callback basically does not reappear, but it always encounters
    2. after each release.
  2. how can this problem be repeated locally?
  3. how to solve the problem when getActivity () getContext () returns empty? I hope you can give us some good methods and suggestions
Android
Mar.21,2021
Don't say you're an interface, Fragment itself has some lifecycle functions that return null. You can first check what status of Fragment is to get Context.

Previous: Ueditor editor on the local server can not be named ueditor, how to explain this?

Next: How to convert an array to form list form

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
© 2021 CodesHelper
Advertising Contact us About us
Menu