Question

我正在尝试让Flare动画在Flutter中工作。为此，我尝试了这个： https://github.com/tarek360/Boring-Star-Animation

实际上，该代码可以正常运行。但是，我想将动画更改为： https://www.2dimensions.com/a/innocent/files/flare/status_success

现在，代码将运行并显示动画，但仍然是。（即，不制作动画，仅显示照片）而且我得到以下错误：

E/flutter ( 7462): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: NoSuchMethodError: The method '*' was called on null.
E/flutter ( 7462): Receiver: null
E/flutter ( 7462): Tried calling: *(0.0)
E/flutter ( 7462): #0      Object.noSuchMethod (dart:core/runtime/libobject_patch.dart:50:5)
E/flutter ( 7462): #1      KeyFrameStrokeEnd.setValue (package:flare_dart/animation/keyframe.dart:1161:33)
E/flutter ( 7462): #2      KeyFrameNumeric.apply (package:flare_dart/animation/keyframe.dart:138:5)
E/flutter ( 7462): #3      PropertyAnimation.apply (package:flare_dart/animation/actor_animation.dart:199:21)
E/flutter ( 7462): #4      ComponentAnimation.apply (package:flare_dart/animation/actor_animation.dart:248:27)
E/flutter ( 7462): #5      ActorAnimation.apply (package:flare_dart/animation/actor_animation.dart:403:26)
E/flutter ( 7462): #6      FlareActorRenderObject._updateAnimation (package:flare_flutter/flare_actor.dart:468:19)
E/flutter ( 7462): #7      FlareActorRenderObject.filename=.<anonymous closure> (package:flare_flutter/flare_actor.dart:245:11)
E/flutter ( 7462): #8      _rootRunUnary (dart:async/zone.dart:1132:38)
E/flutter ( 7462): #9      _CustomZone.runUnary (dart:async/zone.dart:1029:19)
E/flutter ( 7462): #10     _FutureListener.handleValue (dart:async/future_impl.dart:126:18)
E/flutter ( 7462): #11     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)
E/flutter ( 7462): #12     Future._propagateToListeners (dart:async/future_impl.dart:668:32)
E/flutter ( 7462): #13     Future._complete (dart:async/future_impl.dart:473:7)
E/flutter ( 7462): #14     _SyncCompleter.complete (dart:async/future_impl.dart:51:12)
E/flutter ( 7462): #15     _AsyncAwaitCompleter.complete.<anonymous closure> (dart:async/runtime/libasync_patch.dart:33:20)
E/flutter ( 7462): #16     _rootRun (dart:async/zone.dart:1120:38)
E/flutter ( 7462): #17     _CustomZone.run (dart:async/zone.dart:1021:19)
E/flutter ( 7462): #18     _CustomZone.runGuarded (dart:async/zone.dart:923:7)
E/flutter ( 7462): #19     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:963:23)
E/flutter ( 7462): #20     _rootRun (dart:async/zone.dart:1124:13)
E/flutter ( 7462): #21     _CustomZone.run (dart:async/zone.dart:1021:19)
E/flutter ( 7462): #22     _CustomZone.runGuarded (dart:async/zone.dart:923:7)
E/flutter ( 7462): #23     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:963:23)
E/flutter ( 7462): #24     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
E/flutter ( 7462): #25     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
E/flutter ( 7462):

我非常确定我没有输错文件名和动画名称。

下面是我的main.dart文件：

import 'package:flutter/material.dart';
import "package:flare_flutter/flare_actor.dart";

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'The Boring Star',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return new FlareActor("animations/status_success.flr",
        alignment: Alignment.center,
        fit: BoxFit.contain,
        animation: "success_arrow");
  }
}

-----编辑------- 我不知道为什么，但是下面的动画效果很好 https://www.2dimensions.com/a/pollux/files/flare/smiley-switch

因此，结论是我的动画存在一些问题： https://www.2dimensions.com/a/innocent/files/flare/status_success

有人可以帮我吗？

Answer 1

动画的名称不是success_arrow而是成功

FlareActor("animations/status_success.flr",
        alignment: Alignment.center,
        fit: BoxFit.contain,
        animation: "success");

Answer 2

如果动画名称未更改，则animation:将是"Untitled"

Answer 3

将动画名称更改为Web项目中的动画名称。

Flutter Flare动画无法正常运行

3 个答案: