...

Note that your application is bundled as an .oar (ONOS Application ARchive) file in the target directory, and installed into your local maven repository:

...
[INFO] Installing /Users/simonh/dev/meow/meowster-app/target/meowster-app-1.0-SNAPSHOT.oar toto 
       /Users/simonh/.m2/repository/org/meowster/app/meowster-app/1.0-SNAPSHOT/meowster-app-1.0-SNAPSHOT.oar
...

Import into IntelliJ, if you wish

You can import the application source into IntelliJ. In project structure, modules section, add a module...

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Navigate to and select the pom.xml file...

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Import the module...

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Now in the project structure, you should see something like this:

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Description of Template Files

This section gives a brief introduction to the generated files. 

AppComponent

This is the base Application class and may be used for non-UI related functionality (not addressed in this tutorial). 

AppUiComponent

This the the base class for UI functionality.