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Make sure refreshControl shows up on initial render if specified

Summary:
[this commit](2e1707d) which was just a small refactor broke refreshControl behavior - if we render FlatList with refreshing=true, the refreshControl won't be visible on initial render.

The problem is, the [previous beginRefreshing method](2e1707d#diff-cfafa8d7e42ab87ab863f917e187a4aeL51) was renamed to `beginRefreshingProgramatically` and the old call was left in one place [here](2e1707d#diff-cfafa8d7e42ab87ab863f917e187a4aeR47).

Now, I am not sure what kind of jumping the mentioned commit was fixing, but since this fix only concerns the initial render, I believe it will not influence the jumping fix.

I have tested this locally in my app, can provide a video if needed.

none

 [IOS] [BUGFIX] [RefreshControl] - Make sure refreshControl shows up on initial render if specified
Closes #17727

Differential Revision: D6827402

Pulled By: shergin

fbshipit-source-id: 25849244e87af54f25d636b6ade7adcf88958980
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vonovak authored and ide committed Jan 29, 2018
1 parent cf19833 commit 9b877d6692ea86d90d5eb065ee13632c3a5ef356
Showing with 1 addition and 1 deletion.
  1. +1 −1 React/Views/RCTRefreshControl.m
@@ -44,7 +44,7 @@ - (void)layoutSubviews
// If the control is refreshing when mounted we need to call
// beginRefreshing in layoutSubview or it doesn't work.
if (_currentRefreshingState && _isInitialRender) {
[self beginRefreshing];
[self beginRefreshingProgrammatically];
}
_isInitialRender = false;
}

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