A package provides an easy way to add shimmer effect in Flutter project
import 'package:shimmer/shimmer.dart';
SizedBox(
width: 200.0,
height: 100.0,
child: Shimmer.fromColors(
baseColor: Colors.red,
highlightColor: Colors.yellow,
child: Text(
'Shimmer',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 40.0,
fontWeight:
FontWeight.bold,
),
),
),
);