import 'package:flutter/material.dart'; class LoadingWidget extends StatelessWidget { const LoadingWidget({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return Center( child: Container( width: double.infinity, height: double.infinity, child: Center( child: SizedBox( height: 200.0, width: 300.0, child: Card( child: Column( mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.center, children: [ Container( width: 50.0, height: 50.0, // child: SpinKitFadingCube( // color: Theme.of(context).primaryColor, // size: 25.0, // ), ), Container( child: Text('数据加载中,请稍后'), ) ], ), ), )), )); } }