在将一个工作项目升级到Flutter_2并运行它时，给出如下错误:
根据类似问题的答案，Avd Data(Pixel_3a)已为wiped。
如何解决?
误差
Can't find service: package / Can't find service: activity
完整误差
Launching libformsvalidateForm1.dart on sdk gphone x86 arm in debug mode...
Running Gradle task 'assembleDebug'...
√ Built buildappoutputsflutter-apkapp-debug.apk.
cmd: Can't find service: activity
Installing buildappoutputsflutter-apkapp.apk...
Error: ADB exited with exit code 1
Performing Streamed Install
adb: failed to install F:ScriptFluttermyappbuildappoutputsflutter-apkapp.apk: cmd: Can't find service: package
Error launching application on sdk gphone x86 arm.
颤振医生
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel dev, 2.1.0-10.0.pre, on Microsoft Windows [Version 10.0.18363.1379], locale en-US)
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[X] Chrome - develop for the web (Cannot find Chrome executable at .GoogleChromeApplicationchrome.exe)
! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.8.3)
[√] Android Studio (version 4.1.0)
[√] VS Code (version 1.54.1)
[√] Connected device (2 available)
删除Avd相关的lock files解决了问题。
打开Avd管理器->ShowonDisk→从磁盘上删除以下2个锁文件——>
hardware-qemu,multiinstance.lock