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  • Extension methods

    Extension methods Overview Using extension methods Static types and dynamic API conflicts Implementing extension methods Implementing generic extensions Resources Extens...
  • Numbers

    Numbers Numbers Dart numbers come in two flavors: int Integer values no larger than 64 bits,depending on the platform.On the Dart VM, values can be from-263 to 263 - 1.Dart ...
  • Maintenance - Report errors to a service

    1144 2019-06-08 《Flutter Cookbook》
    Directions 1. Get a DSN from Sentry 2. Import the Sentry package 3. Create a SentryClient 4. Create a function to report errors 5. Catch and report Dart errors 6. Catch and r...
  • JavaScript interop

    JavaScript interoperability JavaScript interoperability The Dart web platform supports calling JavaScript using the js package, also known as package:js. For help using the ...
  • Libraries

    618 2019-12-15 《Dart by Example》
    Dart by Example: Libraries Dart by Example: Libraries libraries are imported using the import keyword: // app.dart library app ; import 'utils.dart' ; main () ...
  • Numbers

    Numbers Numbers Dart numbers come in two flavors: int Integer values no larger than 64 bits,depending on the platform.On the Dart VM, values can be from-263 to 263 - 1.Dart ...
  • Fetch data dynamically

    Fetch data dynamically What's the point? About JSON Setting up the HttpRequest object Sending the request Handling the response Populating the UI from JSON Other resources ...
  • Write command-line apps

    Write command-line apps What's the point? Running an app with the standalone Dart VM Overview of the dcat app code Getting dependencies Running dcat Parsing command-line argu...
  • Flutter 兼容性策略

    Flutter 兼容性策略 Announcements and migration guides Deprecation policy Dart and other libraries used by Flutter Flutter 兼容性策略 The Flutter team tries to balance the need for API...