flutter doctor -v yazdığımda problem yok :
[√] Flutter (Channel beta, v0.9.4, on Microsoft Windows [Version 10.0.17134.345], locale en-US)
• Flutter version 0.9.4 at C:\flutter
• Framework revision f37c235c32 (5 weeks ago), 2018-09-25 17:45:40 -0400
• Engine revision 74625aed32
• Dart version 2.1.0-dev.5.0.flutter-a2eb050044
[√] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at C:\Users\WinDows\AppData\Local\Android\sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: C:\Program Files\Android\Android Studio1\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.
[√] Android Studio (version 3.2)
• Android Studio at C:\Program Files\Android\Android Studio1
• Flutter plugin version 29.1.1
• Dart plugin version 181.5656
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
[√] VS Code, 64-bit edition (version 1.28.2)
• VS Code at C:\Program Files\Microsoft VS Code
• Flutter extension version 2.19.0
[√] Connected devices (1 available)
• Android SDK built for x86 • emulator-5554 • android-x86 • Android 4.4.2 (API 19) (emulator)
• No issues found!