From a86c1f55090131263ebfc4baa24176a1c5f3cf54 Mon Sep 17 00:00:00 2001
From: Travis CI navigationContext.addListener('didfocus', callback) i
complete or after the initial mounting
@deprecated
Use navigationContext.addListener('willfocus', callback) instead.
Will emit the target route upon mounting and before each nav transition
Required function which renders the scene for a given route. Will be invoked with the route and the navigator object
Styles to apply to the container of each scene