migrate to null-safety codes and Flutter 3.3.0#22

Open

Jamesweng wants to merge 5 commits intowaseemdev:masterfrom

Jamesweng:master

Commits on Nov 21, 2022

migrate to null-safety codes
Jamesweng
committed

Commits on Nov 25, 2022

update code generator for Flutter 3.3.0
Jamesweng
committed

Commits on Sep 5, 2023

fix dependency auto import to work with the latest vscode
Jamesweng
committed

Commits on Sep 11, 2023

fix dependency auto import to work with the latest vscode - supports non-xml attr & tags part
Jamesweng
committed

Commits on Dec 18, 2023

fix controller data not updated on widget reuse
Jamesweng
committed