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安装中文字典英文字典辞典工具!










  • Find widgets - Flutter
    The find constant provided by the flutter_test package provides several ways to locate widgets in the test environment This recipe demonstrated three of these methods, and several more methods exist for different purposes
  • An introduction to unit testing - Flutter
    The test package provides the core framework for writing unit tests, and the flutter_test package provides additional utilities for testing widgets This recipe demonstrates the core features provided by the test package using the following steps:
  • Tap, drag, and enter text - Flutter
    Many widgets not only display information, but also respond to user interaction This includes buttons that can be tapped, and TextField for entering text To test these interactions, you need a way to simulate them in the test environment For this purpose, use the WidgetTester library
  • Testing Flutter apps
    The goal of a widget test is to verify that the widget's UI looks and interacts as expected Testing a widget involves multiple classes and requires a test environment that provides the appropriate widget lifecycle context
  • Handle scrolling - Flutter
    To scroll through lists via integration tests, use the methods provided by the WidgetTester class, which is included in the flutter_test package: In this recipe, learn how to scroll through a list of items to verify a specific widget is being displayed, and the pros and cons of different approaches
  • Interaction model widgets - Flutter
    A catalog of Flutter's interaction model widgets Respond to touch events and route users to different views
  • Material component widgets - Flutter
    Flutter provides a variety of visual, behavioral, and motion-rich widgets that implement the Material 3 design specification Material 3 is the default design language of Flutter, enabling you to design and build beautiful, usable apps that can adapt to any platform
  • Common Flutter errors
    Here is an incomplete list of widgets that expect specific parent widgets within the Flutter framework Feel free to submit a PR (using the doc icon in the top right corner of the page) to expand this list


















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