Results for “Testing”

Learn more about the different types of testing and how to write them. The more features your app has, the harder it is to test manually

write unit tests. How can you ensure that your app continues to work as you add more features or change existing functionality? By writing tests. Unit

WidgetTester allows building and interacting with widgets in a test environment. The testWidgets() function automatically creates a new WidgetTester for each test case, and is used

Learn about integration testing in Flutter. Unit tests and widget tests validate individual classes, functions, or widgets. They don't validate how individual pieces work

Mockito package to mimic the behavior of services for testing. Sometimes, unit tests might depend on classes that fetch data from live web services or databases

Information on Flutter's accessibility testing. Accessibility regulations To ensure your app is accessible, check it against public standards like the Web Content Accessibility Guidelines (WCAG

handle scrolling in a widget test. Many apps feature lists of content, from email clients to music apps and beyond. To verify that lists contain the expected

step walkthrough of releasing a Flutter app to the App Store and TestFlight . Preliminaries Xcode is required to build and release your app. You must use a device

test widgets for user interaction. Many widgets not only display information, but also respond to user interaction. This includes buttons that can be tapped, and TextField

Finder classes for testing widgets. To locate widgets in a test environment, use the Finder classes. While it's possible to write your own Finder classes

contents when the font sizes are increased. For example, you can test all parts of your app on a small-screen device configured to use the largest

prepare for and release an Android app to the Play store. To test an app, you can use flutter run at the command line

Learn about common architecture concepts in application design, and how they apply

Learn how to write custom platform-specific code in your app. This

this guide can be applied to most apps, making them easier to scale, test, and maintain. However, they're guidelines, not steadfast rules, and you should adapt

Information on Flutter's accessibility support. Background Ensuring that apps are accessible

Instructions on how to manage state with ChangeNotifiers. Learn to create a

Learn how to use the LayoutBuilder widget. Learn how to create layouts

five-letter words (such as aback , abase , and abate ) for brevity. When testing your app later in this tutorial, only words defined in lib/game.dart are accepted

Learn how to navigate from one page to another in a Flutter

How to fetch data over the internet using the http package. Fetching

A simple form of state management. Now that you know about declarative

How to use JSON with Flutter. It is hard to think of

Benchmarking : You can measure and track your app's performance by writing benchmark tests. The Flutter Driver library provides support for benchmarking. Using this integration test

Recommendations for building scalable Flutter applications. This page presents architecture best practices

Managing state in separate classes (outside your UI widgets) makes your code more testable, reusable, and easier to maintain. A single feature in your app contains each

more people to contribute to the same codebase concurrently, with minimal code conflicts. Testability - Applications with inte

existing MainApp with this updated version: This change switches from the console-based test to the full UI experie

Learn to use the Dart DevTools when developing Flutter apps. Learn to

impairments and mobility support tools for those with motor limitations. By understanding and testing with these technologies, you can ensure your Flutter application provides a more inclusive

prepare for and release a web app. During a typical development cycle, you test an app using flutter run -d chrome (for example) at the command line

longer directed towards this app. On pointer down, the framework does a hit test on your app to determine which widget exists at the location where

A high-level overview of the architecture of Flutter, including the core

integrate with platform-specific features in Flutter apps. Flutter enables you to build, test, and deploy beautiful, natively compiled, multi-platform applications from a single codebase. Overview

Learn the simplest way to implement animations in Flutter. Flutter provides a

JSONPlaceholder REST API , using the http.get() method. This makes the function easier to test and use in different environmen

Learn about StatefulWidgets and rebuilding Flutter UI. Learn when widgets need to

Learn about common layout widgets in Flutter. Learn how to build layouts

Dive deeper into how Flutter works through a six-part video series

Learn how to implement performant scrolling with slivers. In this lesson, you

Accept input from the user with buttons and text fields. Learn to