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如何解决颤振中的版本控制

flutter-packages flutter-dependencies flutter dart android-studio

Pallavi Tapkir · 技术社区 · 6 年前

我想补充一下 url_launcher pubspec.yml 归档 flutter .

公共规范yml代码

name: url_launch_app
description: A new Flutter application.


version: 1.0.0+1

environment:
  sdk: ">=2.1.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter
  #url_launcher: '>=0.1.2 <0.2.0'
  url_launcher: '^0.4.1'

我已经为url_laucher添加了包,但单击时 packages get 我面临以下错误。

错误:

Running "flutter packages get" in url_launch_appâ¦

The current Dart SDK version is 2.3.0-dev.0.1.flutter-cf4444b803.

Because url_launch_app depends on url_launcher >=0.1.1 <3.0.0 which requires SDK version <2.0.0, version solving failed.

pub get failed (1)
Process finished with exit code 1

如何解决此版本控制错误?