KEY POD: Understand and resolve the context sync gaps

[gjwgit]

Description

How can we resolve the following issue.

$ flutter analyze lib
Analyzing lib...                                                        

   info • Don't use 'BuildContext's across async gaps • lib/home.dart:130:51 • use_build_context_synchronously
   info • Don't use 'BuildContext's across async gaps • lib/home.dart:140:9 • use_build_context_synchronously

2 issues found. (ran in 0.8s)