Flutter disable touch on the entire screen

You can wrap your widget in AbsorbPointer and it won't receive touches. To enable the touch again, you can set absorbing: false

AbsorbPointer(
  child: YourWidget(...),
);

Two way to do :

1. AbsorbPointer
2. IgnorePointer

Check difference with example here :

• https://programmer.help/blogs/the-difference-between-flutter-absorbpointer-and-ignorepointer.html
  
• Flutter AbsorbPointer vs IgnorePointer difference