What is Analyzer and how to use it in FlutLab

1. Open your project. Pay attention to the status bar.  "Starting service" or "Analyzing project files" messages inform you about the Analyzer status.

2. Watch the Analyzer icon too. It also reports the status of Analyzer.

With Analyzer you'll have:

Advanced code autocompletion (use Ctrl+Space)

Flutter widget wrap

Libraries import and feedback about errors.

Autocompletion StatelessWidget and StatefulWidget

Show closing labels in Dart source code

The reference provider interface defines the contract between Flutter code and FlutLab Analyzer. Go to References => Shift+F12

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Clear cache of Analyzer if it has more than 300Mb.

YouTube - FlutLab FAQ: "How to use Analyzer 2.0 (beta) in FlutLab"