在添加壁纸管理器包后，它显示：
在添加壁纸管理器包后，它显示：
提问于 2022-10-29 09:09:41
`
C:\src\flutter\.pub-cache\hosted\pub.dartlang.org\wallpaper_manager-1.0.10\android\src\main\java\com\mulgundkar\wallpaper_manager\WallpaperManagerPlugin.java:129: error: cannot find symbol
String assetLookupKey = FlutterLoader.getInstance().getLookupKeyForAsset(assetPath);
^
symbol: method getInstance()
location: class FlutterLoader
C:\src\flutter\.pub-cache\hosted\pub.dartlang.org\wallpaper_manager-1.0.10\android\src\main\java\com\mulgundkar\wallpaper_manager\WallpaperManagerPlugin.java:152: error: cannot find symbol
String assetLookupKey = FlutterLoader.getInstance().getLookupKeyForAsset(assetPath);
^
symbol: method getInstance()
location: class FlutterLoader
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
2 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':wallpaper_manager:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.`
wallpaper_manager:在我添加包时，项目会出现一个错误。旧版本的颤振没有问题，但是应用程序不再工作了，我该怎么做呢？
回答 1
Stack Overflow用户
发布于 2022-10-29 12:21:59
如果您查看当前的javadocs for FlutterLoader，它将不再声明getInstance()方法。该方法被弃用，然后删除。
根据https://stackoverflow.com/a/64456438/139985的说法，因为Flick1.22，您需要使用FlutterInjector获得一个FlutterLoader实例
import io.flutter.FlutterInjector;
...
FlutterLoader loader = FlutterInjector.instance().flutterLoader();页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/74244079
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