buttonSpinner method
Displays a Processing Indicator.
Implementation
Widget buttonSpinner(BuildContext context) {
var data = Theme.of(context);
data = data.copyWith(
colorScheme: data.colorScheme.copyWith(secondary: Colors.white70));
return Theme(
data: data,
child: const SizedBox(
width: 28,
height: 28,
child: CircularProgressIndicator(
strokeWidth: 3,
),
),
);
}