title: Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was
body: <p>My app starts but then stops because of the error. I am using Windows 10, android studio as an IDE, and trying to build an android app.</p>
  
  <p>if I use a terminal outside of Android studio it works, so it should be android studio related.</p>
  
  <p>console:</p>
  
  <pre><code>Launching lib\main.dart on Android SDK built for x86 in debug mode...
  Initializing gradle...
  Resolving dependencies...
  Gradle task 'assembleDebug'...
  Built build\app\outputs\apk\debug\app-debug.apk.
  Installing build\app\outputs\apk\app.apk...
  Error connecting to the service protocol: Exception: Attempted to connect to 
  Dart observatory 5 times, and all attempts failed. Giving up. The URL was 
  ws://127.0.0.1:50997/ws
  </code></pre>
  
  <p>flutter Doctor:</p>
  
  <pre><code>Doctor summary (to see all details, run flutter doctor -v):
  [√] Flutter (Channel stable, v1.0.0, on Microsoft Windows [Version 
  10.0.16299.847], locale de-DE)
  [!] Android toolchain - develop for Android devices (Android SDK 28.0.3)
  X Android license status unknown.
  [√] Android Studio (version 3.2)
  [√] Connected device (1 available)
  
  ! Doctor found issues in 1 category.
  </code></pre>