Error running pub global activate devtools

To debug a layout issue, run the app in debug mode and open the inspector by clicking the Flutter Inspector tab on the DevTools toolbar . Note: You can still access the Flutter inspector directly from Android Studio/IntelliJ, but you might prefer the more spacious view when running it from DevTools in a browser.

Launch DevTools Clicking the Open button uses pub global activate to activate the DevTools package for you . Next, DevTools launches in your browser and automatically connects to your debug session. While DevTools is active, you’ll see them in the status bar of VS Code.

To uninstall/remove DevTools, you can run:

Open DevTools and connect to the target app Copy the Dart DevTools debugger and profiler URL, and paste it into the address bar of a Chrome browser window. When you visit that URL in Chrome, the Dart DevTools UI appears, displaying information about the target app. Click Debugger to start debugging the app.