Hello,

when you change a state, there's a enterState dispatched when a new state is
shown.
This is very handy for initializing the state.

But does something similar exist for the tabNavigator? (enterState exists
for a TabNavigator but doesn't work)
What if you have several tabs and you want to initialize your tab view when
changing?
What are best practices?

Thanks in advance

regards
Vic

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