问题描述
我正在使用 Rive 显示带有颤动的动画闪屏,但在前几秒钟(加载文件时或显示画板之前)出现此错误:
type 'Artboard' is not a subtype of type 'RuntimeArtboard' in type cast
#0 Rive.createRenderObject (package:rive/src/rive.dart:42)
....
但实际上,如果我打开 rive.dart:42
我发现:
return RiveRenderObject(artboard as RuntimeArtboard)
如果我打开 RuntimeArtboard
类,我发现:
class RuntimeArtboard extends Artboard
那么,为什么我会收到此错误? 我应该忽略它还是有问题?
这是我的代码:
import 'package:Flutter/material.dart';
import 'package:Flutter/services.dart';
import 'package:rive/rive.dart';
class SplashScreen extends StatefulWidget {
@override
_SplashScreenState createState() => _SplashScreenState();
}
class _SplashScreenState extends State<SplashScreen> {
Artboard artboard;
RiveAnimationController controller;
@override
void initState() {
super.initState();
artboard = Artboard();
rootBundle.load("assets/images/splash.riv").then((data) {
final file = RiveFile.import(data);
final artboard = file.mainArtboard;
artboard.addController(controller = SimpleAnimation("splash"));
setState(() => this.artboard = artboard);
});
}
@override
Widget build(BuildContext context) {
return artboard != null
? Rive(
artboard: artboard,fit: BoxFit.cover,)
: SizedBox();
}
}
解决方法
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