By default, asserts are only enabled in Debug mode. To enable them in Release mode, run with the --enable-asserts flag. https://codewithandrea.com/tips/enable-asserts-flag/
If you need to return an empty widget, SizedBox.shrink() is more performant than an empty Container. https://codewithandrea.com/tips/sizedbox-shrink/
If you use build_runner and your generated Dart files are added to Git, you can hide them by default in your PRs and diffs. Here's how. https://codewithandrea.com/tips/hide-generated-files-with-gitattributes/
Some helper widgets for creating Flutter layouts that grow horizontally up to a given width, then remain fixed at that width. https://codewithandrea.com/tips/responsive-center-layout/
You can run a widget test multiple times with the variant argument. Very useful for golden image tests for different screen sizes. https://codewithandrea.com/tips/run-multiple-test-variants/
Ever wanted to filter tests so you only run the ones you need to? This can be easily done using test tags. https://codewithandrea.com/tips/unit-widget-test-tags-flutter/
An extensive guide covering the code generation mechanism in Dart, useful code-generating packages, and tips for efficient codebase maintenance. https://codewithandrea.com/articles/dart-flutter-code-generation/
When writing test expectations for functions that throw, we need a bit careful. To avoid surprises, always pass a closure inside the expect method. https://codewithandrea.com/tips/testing-functions-that-throw/
Also included in this edition: UI Testing with Maestro, Flutter Custom Carousel, codegen with GenQ, Shorebird 1.0, and the latest from Code with Andrea. https://codewithandrea.com/newsletter/april-2024/
Create small, reusable widgets that are easier to reason about, and banish the massive build method from existence! https://codewithandrea.com/tips/use-composition-aggressively/
