You need to connect a device, or start a simulator or emulator, to proceed. If the status bar reads No Devices, Flutter has not been able to discover any connected iOS or Android devices or simulators.Ensure that the folder that contains your pubspec.yaml is inside a VS Code Workspace Folder. If you do not see a Flutter version number or device info, your project might not have been detected as a Flutter project.When a Flutter project is open in VS Code, you should see a set of Flutter specific entries in the status bar, including a Flutter SDK version and a device name (or the message No Devices). Start debugging by clicking Debug > Start Debugging from the main IDE window, or press F5. For information on using launching DevTools, see Running DevTools from VS Code in the DevTools docs. The instructions below describe features available in VS Code. Using VS Code’s built-in debugging features, such as setting breakpoints.DevTools replaces the previous browser-based profiling tool, Observatory, and includes functionality previously only available to Android Studio and IntelliJ, such as the Flutter inspector. Using DevTools, a suite of debugging and profiling tools that run in a browser.Note: You can debug your app in a couple of ways. Viewing all current source code problems ( View > Problems or Ctrl+ Shift+ M ( Cmd+ Shift+ M on macOS)) Any analysis issues are shown in the Problems pane:.Navigating to type declarations ( Go to Definition or F12), and finding type usages ( Find All References or Shift+ F12).Code completions based on rich type analysis.The Flutter extension performs code analysis that enables the following: Browse to the directory holding your existing Flutter source code files.Click File > Open from the main IDE window.Opening a project from existing source code Select the Flutter: New Project command and press Enter.Open the Command Palette ( Ctrl+ Shift+ P ( Cmd+ Shift+ P on macOS)).To create a new Flutter project from the Flutter starter app template: There are a couple ways to create a new project. If the Flutter extension is shown with an available update, click the update button and then the reload button.Click the Extensions button in the Side Bar.By default, VS Code automatically updates extensions when updates are available. Updates to the extensions are shipped on a regular basis. Fast edit and refresh development cycleįollow the Set up an editor instructions to install the Dart and Flutter extensions (also called plugins).Opening a project from existing source code.
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