void main() {
  print("here's a message");
  print("here's a second message");
  runApp(MyApp());
}

➜  testproject flutter run       
Launching lib/main.dart on Virgo in debug mode...
Running Xcode build...                                                  
 ├─Assembling Flutter resources...                           7.3s
 └─Compiling, linking and signing...                         7.2s
Xcode build done.                                           15.9s
Installing and launching...                                        24.7s
Syncing files to device Virgo...                                        
 4,509ms (!)                                       

🔥  To hot reload changes while running, press "r". To hot restart (and rebuild state), press "R".
An Observatory debugger and profiler on Virgo is available at: http://127.0.0.1:1033/uK9tw0PQzw8=/
For a more detailed help message, press "h". To detach, press "d"; to quit, press "q".

Performing hot restart...                                              ⣻
flutter: here's a message
flutter: here's a second message
        
Restarted application in 966ms.

[✓] Flutter (Channel master, v1.10.16-pre.98, on Mac OS X 10.15.1 19B88, locale en-US)
    • Flutter version 1.10.16-pre.98 at /Users/james/Development/flutter
    • Framework revision 03ac37af08 (2 hours ago), 2019-11-08 12:47:26 -0800
    • Engine revision 5f5713e339
    • Dart version 2.7.0

 
[!] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
    • Android SDK at /Users/james/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-28, build-tools 28.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
    ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses

[✓] Xcode - develop for iOS and macOS (Xcode 11.2)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 11.2, Build version 11B52
    • CocoaPods version 1.8.4

[✓] Android Studio (version 3.4)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 38.2.1
    • Dart plugin version 183.6270
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)

[✓] VS Code (version 1.40.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.6.0

[✓] Connected device (1 available)
    • Virgo • 00008030-000848D11EF0802E • ios • iOS 13.2.2

! Doctor found issues in 1 category.