Brent Vatne e84ead1922 Prevent flicker in header when header is null on initial mount (when using default header sizes) (#4577) ...

* Prevent flicker in header in most common cases. Fixes https://github.com/react-navigation/react-navigation/issues/4264

* Update snapshots

2018-06-26 13:27:43 -07:00

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react-navigation

Prevent flicker in header when header is null on initial mount (when using default header sizes) (#4577)

2018-06-26 13:27:43 -07:00