This is the default if you use bug icon inĪndroid Studio, or flutter run at the command line. Debug mode assertionsĭuring development, you are highly encouraged to use Flutter’sĭebug mode. In the Debugging Flutter apps programmatically page. Or you want a verbose text-based dump of the widget, Of the widget tree, but if you want a greater level of detail, The Flutter widget inspector provides a visual representation GitHub wiki, and the community article, The Layer Cake. Information and videos, see The Framework architecture on the Debugging application layersįlutter was designed with a layered architecture that includes LoggingĪnother useful debugging tool is logging. Untyped arguments, untyped list literals, and so on)Īs this is the quickest and least painful way of trackingįor more information, see Using the Dart analyzer. You are encouraged to use them everywhere (avoiding var,
You put in your code to help track problems down. The Dart analyzer makes heavy use of type annotations that The Dart analyzer is already checking your code If you’re using a Flutter enabled IDE/editor,
(such as Android Studio/IntelliJ and VS Code), You can set breakpoints directly in your IDE/editor The main output that appears on your profile are theĭebug asserts verifying the framework’s various invariantsĭevTools documentation. If you use DevTools for profiling, make sure to Release mode, as the debugging and profiling Profile mode, while it’s running you can openĭevTools in the browser to connect to your app.ĭevTools doesn’t work well with an app compiled to If you run your application in debug mode or
“Too many open files” exception (MacOS).