flutter▌

Comprehensive, library-agnostic checklist for reviewing Flutter/Dart applications. These principles apply regardless of which state management solution, routing library, or DI framework is used.

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Configure Flutter apps for assistive technologies including screen readers and keyboard navigation. \n \n Covers UI design fundamentals: font scaling, color contrast (4.5:1 for normal text, 3:1 for large), and 48x48 pixel minimum tap targets \n Provides semantic annotation patterns using Semantics , MergeSemantics , and ExcludeSemantics widgets to expose widget tree structure to assistive tools \n Includes web-specific guidance on enabling the semantics layer (disabled by default for performance

Add home screen widgets to Flutter apps for Android and iOS with native UI and shared data synchronization. \n \n Flutter communicates with native widgets via shared local storage (UserDefaults on iOS, SharedPreferences on Android) using the home_widget package; data flows from Flutter writes to native widget reads on OS trigger. \n iOS implementation uses Xcode, SwiftUI, and Widget Extension targets with App Groups capability; Android uses Android Studio with AppWidgetProvider, XML layouts, and

Offload CPU-intensive tasks to background isolates while keeping Flutter UIs responsive. \n \n Provides three concurrency patterns: async / await for I/O-bound work, Isolate.run() for one-off heavy computations, and Isolate.spawn() with message passing for persistent background workers \n Includes a decision matrix to choose between async operations and isolates based on task type (I/O vs. CPU-bound) and execution frequency \n Covers three complete workflows with step-by-step task checklists: st

$22