以下是一个例子:
在pubspec.yaml文件中添加了flutter_svg库,并执行flutter packages get:
dependencies:
flutter_svg: ^0.18.0
在Flutter项目中使用flutter_svg库时遇到错误:
import 'package:flutter_svg/flutter_svg.dart';
...
SvgPicture.asset('assets/images/heart.svg');
错误输出中显示“ Could not find a generator for route RouteSettings( '/': HomeScreen(id: null)) in the _WidgetsAppState.”
在main.dart文件中添加以下代码:
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
initialRoute: '/',
onGenerateRoute: (settings) {
if (settings.name == '/') {
return MaterialPageRoute(builder: (context) => HomeScreen());
}
return null;
},
);
}
}
这将解决这个错误。