title: Flutter not running on Android Device
body: <p>I just created a new project using command palletes in vsCode. then i start android simulator and then flutter run. it's running perfectly on ios not on android .</p>
  
  <p>this debug console response </p>
  
  <p>Launching lib/main.dart on Android SDK built for x86 in debug mode...
  FAILURE: Build failed with an exception.
  * What went wrong:
  Execution failed for task ':app:compileDebugAidl'.</p>
  
  <blockquote>
    <p>java.lang.IllegalStateException: aidl is missing from '/Users/sachin/Library/Android/sdk/build-tools/26.0.2/aidl'
    * Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
    * Get more help at <a href="https://help.gradle.org" rel="nofollow noreferrer">https://help.gradle.org</a>
    BUILD FAILED in 1s
    Gradle build failed: 1
    Exited (sigterm)</p>
  </blockquote>