小编use*_*095的帖子

我正在开发 flutter web 应用程序并尝试从互联网上获取一些数据我正在使用 package:http/http.dart 并尝试这样做：

await http.get(url);

但我收到了这个错误：

不支持的操作：Platform._version

daz@daz:/rom/source/public/checkout_example$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[?] Flutter (Channel master, v1.16.2-pre.41, on Linux, locale en_US.UTF-8)

[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses
[?] Chrome - develop for the web
[?] Linux toolchain - develop for Linux desktop
[?] Android Studio (version 3.6)
[!] IntelliJ IDEA …