See issue #4886

[onchainguy-btc]

@brentvatne this is the pull request you requested
See issue #4886

On iOS the plist key NSLocationAlwaysUsageDescription was ignored and the location could not be retreived when using this key. Now both keys NSLocationWhenInUseUsageDescription and NSLocationAlwaysUsageDescription are supported. If NSLocationAlwaysUsageDescription is set, NSLocationWhenInUseUsageDescription will be simply ignored according to https://developer.apple.com/library/ios/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW18

I read the contribution guidelines regarding the Objective-C coding standards. Hopefully my line length breaks are okay - otherwise just give me a shout and I will fix that. Didn't write any line of Objective-C before so^^

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[onchainguy-btc]

@brentvatne how can I restart the build for this pull request. Seems that the failing build was due to other problems

[nicklockwood]

This is great, thanks! I was looking for a way to support both background and foreground update modes without needing to add proprietary properties to Geolocation.js, and this is a neat solution.

[nicklockwood]

@facebook-github-bot shipit

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