升级Flutter Run之后，该应用程序将无法运行。我升级是因为ImageStreamListener
我试图在不同的渠道[主要，稳定，开发]上进行更改，但没有工作。
我在Flutter中发现了此问题，但没有帮助。
这是我的 flutter doctor
[?] Flutter (Channel unknown, v1.7.11, on Mac OS X 10.14.5 18F132, locale en-PE)
[?] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[?] Xcode - develop for iOS and macOS (Xcode 10.2.1)
[?] iOS tools - develop for iOS devices
[?] Chrome - develop for the web
[?] Android Studio (version 3.4)
[!] IntelliJ IDEA Ultimate Edition (version 2019.1)
? Flutter plugin not installed; this adds Flutter …