guanxw@samsung10022:~/linux/flutter-webrtc/example$ flutter run --enable-impeller --verbose-system-logs
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Connected devices:
Linux (desktop) • linux  • linux-x64      • Ubuntu 20.04.5 LTS 5.15.0-139-generic
Chrome (web)    • chrome • web-javascript • Google Chrome 105.0.5195.125
[1]: Linux (linux)
[2]: Chrome (chrome)
Please choose one (or "q" to quit): 1
Launching lib/main.dart on Linux in debug mode...
Building Linux application...
✓ Built build/linux/x64/debug/bundle/flutter_webrtc_example
[IMPORTANT:flutter/shell/platform/embedder/embedder_surface_gl_impeller.cc(99)] Using the Impeller rendering backend (OpenGL).
[WARNING:flutter/common/graphics/persistent_cache.cc(286)] Could not acquire the persistent cache directory. Caching of GPU resources on disk is disabled.

** (flutter_webrtc_example:3970709): CRITICAL **: 00:48:08.017: Failed to read XDG desktop portal settings: GDBus.Error:org.freedesktop.portal.Error.NotFound: Requested setting not found

** (flutter_webrtc_example:3970709): CRITICAL **: 00:48:08.018: Failed to read XDG desktop portal settings: GDBus.Error:org.freedesktop.portal.Error.NotFound: Requested setting not found
Syncing files to device Linux...                                    37ms

Flutter run key commands.
r Hot reload. 🔥🔥🔥
R Hot restart.
h List all available interactive commands.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (terminate the application on the device).

A Dart VM Service on Linux is available at: http://127.0.0.1:36055/WtamKwE8J5A=/
The Flutter DevTools debugger and profiler on Linux is available at: http://127.0.0.1:36055/WtamKwE8J5A=/devtools/?uri=ws://127.0.0.1:36055/WtamKwE8J5A=/ws

guanxw@samsung10022:~/linux/flutter$ ./bin/flutter doctor
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Doctor summary (to see all details, run flutter doctor -v):
[!] Flutter (Channel [user-branch], 3.42.0-1.0.pre-258, on Ubuntu 20.04.5 LTS 5.15.0-139-generic, locale en_US.UTF-8)
    ! Flutter version 3.42.0-1.0.pre-258 on channel [user-branch] at /home/guanxw/linux/flutter
      Currently on an unknown channel. Run `flutter channel` to switch to an official channel.
      If that doesn't fix the issue, reinstall Flutter by following instructions at https://flutter.dev/setup.
    ! Warning: `flutter` on your path resolves to /home/guanxw/flutter/bin/flutter, which is not inside your current Flutter SDK checkout at /home/guanxw/linux/flutter. Consider adding /home/guanxw/linux/flutter/bin to the front of your path.
    ! Warning: `dart` on your path resolves to /home/guanxw/flutter/bin/dart, which is not inside your current Flutter SDK checkout at /home/guanxw/linux/flutter. Consider adding /home/guanxw/linux/flutter/bin to the front of your path.
    ! Upstream repository unknown source is not a standard remote.
      Set environment variable "FLUTTER_GIT_URL" to unknown source to dismiss this error.
[!] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
    ! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[✓] Chrome - develop for the web
[✓] Linux toolchain - develop for Linux desktop
    ! Unable to access driver information using 'eglinfo'.
      It is likely available from your distribution (e.g.: apt install mesa-utils)
[!] Proxy Configuration
    ! NO_PROXY does not contain ::1
[✓] Connected device (2 available)
[✓] Network resources