我正在安装Flutter，一切都很好，仅是上面指定的一件事。
扑医生说：
$扑医生-v
[?] Flutter (Channel beta, v0.7.3, on Microsoft Windows [Version 10.0.17134.228], locale nl-NL)
• Flutter version 0.7.3 at C:\Flutter\flutter_windows_new\flutter
• Framework revision 3b309bda07 (13 days ago), 2018-08-28 12:39:24 -0700
• Engine revision af42b6dc95
• Dart version 2.1.0-dev.1.0.flutter-ccb16f7282
[?] Android toolchain - develop for Android devices (Android SDK 27.0.3)
• Android SDK at C:\Users\iwijsman\AppData\Local\Android\sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 27.0.3
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• …