Persist Provider data across multiple pages not working
You have 2 options:
Place your
ChangeNotifierProviderabove yourMaterialAppso that is accesible from any of youNavigatorroutes.Keep your
Homewidget as is but when pushing the new widget with theNavigatorprovide the original Manager.
onTap: () { Navigator.push( context, MaterialPageRoute( builder: (context) { return Provider<ToDoListManager>.value( value: toDoListManager, child: Details(index), ); }, ), );},With both approaches you don't need to create a new ChangeNotifierProvider in your details screen.