tabLabel method Null safety
override
The accessibility label used on a tab in a TabBar.
This message describes the index of the selected tab and how many tabs there are, e.g. 'Tab 1 of 2' in United States English.
tabIndex
and tabCount
must be greater than or equal to one.
Implementation
@override
String tabLabel({ required int tabIndex, required int tabCount }) {
assert(tabIndex >= 1);
assert(tabCount >= 1);
return 'Tab $tabIndex of $tabCount';
}