FadeInImage throws null pointer exception (Flutter 3.3)

FadeInImage throws null pointer exception when switching from a cached image to an uncached image

It is possible that [this PR](https://github.com/flutter/flutter/pull/94601) is causing the problem.

## Steps to Reproduce



1. Execute `flutter run` on the code sample
2. Click the FloatingActionButton to switch images

**Expected results:** 
Switch images normally.

**Actual results:** 
Throwing exceptions: `Null check operator used on a null value`
![image](https://user-images.githubusercontent.com/4396864/188535425-988fc7dd-c964-4ec1-bb84-c1b20f4cf20c.png)

<details>
<summary>Code sample</summary>


[demo_fade_in_image_null_3.zip](https://github.com/flutter/flutter/files/9492908/demo_fade_in_image_null_3.zip)

```dart
import 'package:flutter/material.dart';
import 'package:transparent_image/transparent_image.dart';

void main() async {
  runApp(const MyApp());
}

const _kImages = [
  'https://pub.dev/static/hash-t3bgi1vk/img/landing-01.webp',
  'https://pub.dev/static/hash-t3bgi1vk/img/landing-02.webp',
  'https://pub.dev/static/hash-t3bgi1vk/img/landing-03.webp',
];

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: FutureBuilder<void>(
          // Preload the first image
          future: precacheImage(NetworkImage(_kImages[0]), context),
          builder: (context, snapshot) {
            if (snapshot.connectionState == ConnectionState.waiting) {
              return const Material(
                  child: Center(child: CircularProgressIndicator()));
            }
            return const MyHomePage(title: 'Flutter Demo Home Page');
          }),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            FadeInImage.memoryNetwork(
              placeholder: kTransparentImage,
              image: _kImages[_counter % _kImages.length],
            ),
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        // Click the button to switch images
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ),
    );
  }
}
```

</details>

<details>
  <summary>Logs</summary>



[Full log](https://github.com/flutter/flutter/files/9492923/full.log)

```
[+8343 ms] E/SurfaceSyncer( 8318): Failed to find sync for id=0
[   +1 ms] E/SurfaceSyncer( 8318): Failed to find sync for id=1
[+3459 ms] 
                    ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
                    The following _CastError was thrown building _AnimatedFadeOutFadeIn(duration: 1000ms, dirty, state:
                    _AnimatedFadeOutFadeInState#8c208(ticker inactive, targetOpacity: null, placeholderOpacity: null)):
                    Null check operator used on a null value

                    The relevant error-causing widget was:
                      FadeInImage
                      FadeInImage:file:///K:/GitHub/@flutter/demos/demo_fade_in_image_null_3/lib/main.dart:66:25

                    When the exception was thrown, this was the stack:
                    #0      _AnimatedFadeOutFadeInState.build (package:flutter/src/widgets/fade_in_image.dart:542:70)
                    #1      StatefulElement.build (package:flutter/src/widgets/framework.dart:4992:27)
                    #2      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4878:15)
                    #3      StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #4      Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #5      StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #6      Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #7      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #8      StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #9      Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #10     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #11     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #12     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
                    #13     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #14     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #15     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #16     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #17     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #18     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #19     RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5904:32)
                    #20     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6460:17)
                    #21     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #22     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
                    #23     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #24     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #25     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #26     StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
                    #27     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #28     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #29     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #30     StatelessElement.update (package:flutter/src/widgets/framework.dart:4956:5)
                    #31     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #32     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #33     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #34     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #35     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #36     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #37     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #38     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #39     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #40     RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5904:32)
                    #41     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6460:17)
                    #42     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #43     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #44     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #45     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #46     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #47     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #48     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #49     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #50     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #51     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #52     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #53     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #54     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #55     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #56     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #57     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #58     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #59     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #60     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #61     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #62     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #63     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #64     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #65     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #66     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
                    #67     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #68     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #69     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #70     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #71     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #72     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6307:14)
                    #73     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #74     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #75     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #76     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #77     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #78     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #79     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #80     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #81     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #82     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #83     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #84     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #85     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #86     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #87     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #88     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #89     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #90     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #91     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #92     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #93     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #94     ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #95     Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #96     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #97     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #98     Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #99     StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #100    Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #101    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #102    Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #103    ProxyElement.update (package:flutter/src/widgets/framework.dart:5228:5)
                    #104    Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #105    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #106    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #107    Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #108    StatefulElement.update (package:flutter/src/widgets/framework.dart:5082:5)
                    #109    Element.updateChild (package:flutter/src/widgets/framework.dart:3570:15)
                    #110    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4904:16)
                    #111    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5050:11)
                    #112    Element.rebuild (package:flutter/src/widgets/framework.dart:4604:5)
                    #113    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2667:19)
                    #114    WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:882:21)
                    #115    RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:378:5)
                    #116    SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1175:15)
                    #117    SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1104:9)
                    #118    SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1015:5)
                    #119    _invoke (dart:ui/hooks.dart:148:13)
                    #120    PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:318:5)
                    #121    _drawFrame (dart:ui/hooks.dart:115:31)

                    ════════════════════════════════════════════════════════════════════════════════════════════════════
[  +42 ms] 
           Another exception was thrown: A RenderFlex overflowed by 99282 pixels on the bottom.
[ +711 ms] 
                    Another exception was thrown: Null check operator used on a null value
```



```
Analyzing demo_fade_in_image_null_3...                                  
No issues found! (ran in 2.4s)
```



```
[√] Flutter (Channel stable, 3.3.0, on Microsoft Windows [版本 10.0.22622.590], locale zh-CN)
    • Flutter version 3.3.0 on channel stable at K:\SDK\flutter-stable
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision ffccd96b62 (7 days ago), 2022-08-29 17:28:57 -0700
    • Engine revision 5e9e0e0aa8
    • Dart version 2.18.0
    • DevTools version 2.15.0
    • Flutter download mirror https://storage.flutter-io.cn

[√] Android toolchain - develop for Android devices (Android SDK version 32.0.0)
    • Android SDK at C:\SDK\android-sdk
    • Platform android-33, build-tools 32.0.0
    • ANDROID_HOME = C:\SDK\android-sdk
    • Java binary at: C:\SDK\android-studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.11.15)
    • Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2019\Community
    • Visual Studio Community 2019 version 16.11.32510.428
    • Windows 10 SDK version 10.0.18362.0

[√] Android Studio (version 2021.2)
    • Android Studio at C:\SDK\android-studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)

[√] IntelliJ IDEA Community Edition (version 2022.2)
    • IntelliJ at C:\Users\ipcjs\AppData\Local\JetBrains\Toolbox\apps\IDEA-C\ch-0\222.3739.54
    • Flutter plugin version 70.0.5
    • Dart plugin version 222.3739.24

[√] VS Code (version 1.71.0)
    • VS Code at C:\Users\ipcjs\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.48.0

[√] Proxy Configuration
    • HTTP_PROXY is set
    • NO_PROXY is
      localhost,127.0.0.1,::1,192.168.0.230,dl.google.com,maven.aliyun.com,cdn.npm.taobao.org,registry.npm.taobao.org,npmmirror.com,registry.npmmirror.com,storage.flutter-io.cn,pub.flutter-io.cn,gitee.com,engdownload.ea
      ssos.cn,upos-hz-mirrorakam.akamaized.net,www.bmtasmartbus.com,mirrors.tuna.tsinghua.edu.cn,amappc.oss-cn-zhangjiakou.aliyuncs.com,lbsyun-baidu.cdn.bcebos.com,a.amap.com,cdn.ipcjs.top,baidu.com,mirrors.aliyun.com,a
      pple.com
    • NO_PROXY contains localhost
    • NO_PROXY contains ::1
    • NO_PROXY contains 127.0.0.1

[√] Connected device (4 available)
    • Pixel 6 Pro (mobile) • 192.168.1.17:41017 • android-arm64  • Android 13 (API 33)
    • Windows (desktop)    • windows            • windows-x64    • Microsoft Windows [版本 10.0.22622.590]
    • Chrome (web)         • chrome             • web-javascript • Google Chrome 104.0.5112.102
    • Edge (web)           • edge               • web-javascript • Microsoft Edge 101.0.1210.53

[√] HTTP Host Availability
    • All required HTTP hosts are available
```

</details>

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FadeInImage throws null pointer exception (Flutter 3.3) #111011

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FadeInImage throws null pointer exception (Flutter 3.3) #111011

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Steps to Reproduce

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Metadata

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Type

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