Not working on Flutter 3

[ozankelkit]

When building app
java:152: error: cannot find symbol
String assetLookupKey = FlutterLoader.getInstance().getLookupKeyForAsset(assetPath);

[zjamshidi]

I'm facing the same problem. I solved it as followings

import io.flutter.FlutterInjector;
...
String assetLookupKey = FlutterInjector.instance().flutterLoader().getLookupKeyForAsset(assetPath);

[Hammad0317]

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
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.

• Try:

Run with --stacktrace option to get the stack trace.
Run with --info or --debug option to get more log output.
Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 1m 12s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

[Hammad0317]

wallpaper manager package in use
wallpaper_manager: ^1.0.10

Plz reslove this error

[zjamshidi]

@Hammad0317 I suggested a temporary fix. Please refer to my comment above.