Protected
Readonly
Optional
Called when the application is started. The application shell is not attached yet when this method runs. Should return a promise if it runs asynchronously.
Updates the title of the application based on the currently opened widget.
The current widget in the main application area. undefined if no widget is currently open in that area.
main
undefined
Called when the application is started. The application shell is not attached yet when this method runs. Should return a promise if it runs asynchronously.