$ flutter run
Launching lib\main.dart on sdk gphone64 x86 64 in debug mode...
C:\Users\songy\Documents\Projects\Music with Anna\quick_ear\android\app\src\main\java\io\flutter\app\FlutterMultiDexApplication.java:13: error: package androidx.multidex does not exist
import androidx.multidex.MultiDex;
                        ^
C:\Users\songy\Documents\Projects\Music with Anna\quick_ear\android\app\src\main\java\io\flutter\app\FlutterMultiDexApplication.java:23: error: cannot find symbol
    MultiDex.install(this);
    ^
  symbol:   variable MultiDex
  location: class FlutterMultiDexApplication
2 errors

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app: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 5s
Running Gradle task 'assembleDebug'...                              6.3s
Error: Gradle task assembleDebug failed with exit code 1

$ flutter doctor 
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 3.22.0, on Microsoft Windows [Version
    10.0.22631.3447], locale en-CA)
[√] Windows Version (Installed version of Windows is version 10 or
    higher)
[√] Android toolchain - develop for Android devices (Android SDK     
    version 34.0.0)
[√] Chrome - develop for the web
[√] Visual Studio - develop Windows apps (Visual Studio Community    
    2022 17.9.4)
[√] Android Studio (version 2023.3)
[√] VS Code (version 1.89.1)
[√] Connected device (4 available)
[√] Network resources

• No issues found!