Dart and Flutter

Skills

25 in the Claude listing

• Dart add unit testWrite and organize unit tests for functions, methods, and classes using `package:test`.
• Dart build cli appArchitectural patterns, entrypoint structure, exit codes, stream routing, and subprocess spawning for Dart command-line interface (CLI) applications.
• Dart collect coverageCollect coverage using the coverage packge and create an LCOV report
• Dart fix runtime errorsUses get_runtime_errors and lsp to fetch an active stack trace, locate the failing line, apply a fix, and verify resolution via hot_reload.
• Dart generate test mocksDefine and generate mock objects for external dependencies using `package:mockito` and `build_runner`.
• Dart migrate to checks packageReplace the usage of `expect` and similar functions from `package:matcher` to `package:checks` equivalents.
• Dart resolve package conflictsWorkflow for fixing package version conflicts.
• Dart run static analysisExecute `dart analyze` to identify warnings and errors, and use `dart fix --apply` to automatically resolve mechanical lint issues.
• Dart setup ffi assetsGuides agents in compiling and packaging C/C++ source code into dynamic or static libraries (Code Assets) using Dart's Native Assets hook system (via hook/build.dart and hook/link.dart utilizing packa
• Dart use doc examplesHow to inject external code examples into Dartdoc using the {@example} directive, and how to filter those files using #hide, #region, and #endregion tags.
• Dart use ffigenGuide agents to use `package:ffigen` to automatically generate FFI bindings instead of writing them manually.
• Dart use path packageCross-platform file and directory path manipulation, segment splitting, extension extraction, and context conversion using `package:path` and `package:file`.
• Dart use pattern matchingApplies Dart 3 pattern matching, switch expressions, and destructuring idiomatically to validate data schemas, handle algebraic data types, and decompose control flow.
• Dart use primary constructorsHelp users write syntactically and semantically correct primary constructors in Dart, and migrate/use the new constructor syntax, empty-body semicolon syntax, in-body initializer list syntax, and abbr
• Dart write documentationRules and formatting guidelines for writing Dart /// API documentation and doc comments.
• Flutter add integration testConfigures Flutter Driver for app interaction and converts MCP actions into permanent integration tests.
• Flutter add widget previewAdds interactive widget previews to the project using the previews.dart system.
• Flutter add widget testImplement a component-level test using `WidgetTester` to verify UI rendering and user interactions (tapping, scrolling, entering text).
• Flutter apply architecture best practicesArchitects a Flutter application using the recommended layered approach (UI, Logic, Data).
• Flutter build responsive layoutUse `LayoutBuilder`, `MediaQuery`, or `Expanded/Flexible` to create a layout that adapts to different screen sizes.
• Flutter fix layout issuesFixes Flutter layout errors (overflows, unbounded constraints) using Dart and Flutter MCP tools.
• Flutter implement json serializationCreate model classes with `fromJson` and `toJson` methods using `dart:convert`.
• Flutter setup declarative routingConfigure `MaterialApp.router` using a package like `go_router` for advanced URL-based navigation.
• Flutter setup localizationAdd `flutter_localizations` and `intl` dependencies, enable "generate true" in `pubspec.yaml`, and create an `l10n.yaml` configuration file.
• Flutter use http packageUse the `http` package to execute GET, POST, PUT, or DELETE requests.