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react-native/React/Views
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Adam Comella 35338e9008 iOS: Avoid adding extra spaces to accessibility label 
Summary:
In some cases, `RCTRecursiveAccessibilityLabel` could return an accessibility label that had leading space, trailing space, or multiple spaces between words. This is because it always added a space before adding a label even if the label turned out to be empty.

This is fixed by being stricter about adding spaces.

Found test cases that used to introduce leading space, trailing space, or multiple spaces between words and verified that there aren't any extra spaces after the fix.

```
{/* Used to have leading space */}
<View accessible={true}>
  <View />
  <View accessibilityLabel='Two' />
  <View accessibilityLabel='Three' />
</View>

{/* Used to have 2 spaces between "One" and "Three" */}
<View accessible={true}>
  <View accessibilityLabel='One' />
  <View />
  <View accessibilityLabel='Three' />
</View>

{/* Used to have trailing space */}
<View accessible={true}>
  <View accessibilityLabel='One' />
  <View accessibilityLabel='Two' />
  <View />
</View>
```

Additionally, my team is using this fix in our app.

Adam Comella
Microsoft Corp.
Closes https://github.com/facebook/react-native/pull/14177

Differential Revision: D5127891

Pulled By: shergin

fbshipit-source-id: 42c3022895d844959e0037eaf381b326af3cd6d1
 		2017-05-24 23:15:41 -07:00
..
RCTActivityIndicatorView.h Fixes ActivityIndicatorIOS doesn't hide initially 2016-06-27 17:13:27 -07:00
RCTActivityIndicatorView.m Fixes ActivityIndicatorIOS doesn't hide initially 2016-06-27 17:13:27 -07:00
RCTActivityIndicatorViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTActivityIndicatorViewManager.m Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTAnimationType.h
…
RCTAutoInsetsProtocol.h
…
RCTBorderDrawing.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTBorderDrawing.m
…
RCTBorderStyle.h
…
RCTComponent.h Test building with clang 3.9 2016-08-10 13:13:34 -07:00
RCTComponentData.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTComponentData.m Break apart -[RCTComponentData propBlockForKey:inDictionary:] 2017-02-20 05:15:25 -08:00
RCTConvert+CoreLocation.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTConvert+CoreLocation.m
…
RCTConvert+Transform.h Drive any numerical prop via NativeAnimated 2017-01-26 18:28:53 -08:00
RCTConvert+Transform.m Fixed previously broken support for negative `scale` (`transform` style property) 2017-03-24 18:15:42 -07:00
RCTDatePicker.h
…
RCTDatePicker.m
…
RCTDatePickerManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTDatePickerManager.m Removed exported constants for fixed-size views 2016-04-26 04:21:39 -07:00
RCTFont.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTFont.mm If no match return at least the first font in the family. 2016-11-07 17:14:02 -08:00
RCTModalHostView.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTModalHostView.m Replacing all instances of [UIApplication sharedApplication] wi… 2017-04-01 03:34:41 -07:00
RCTModalHostViewController.h Apple TV support 1: existing Objective C code should compile for tvOS 2016-09-27 06:28:33 -07:00
RCTModalHostViewController.m Replacing all instances of [UIApplication sharedApplication] wi… 2017-04-01 03:34:41 -07:00
RCTModalHostViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTModalHostViewManager.m Deprecating/removing `setFrame`, `setLeftTop`, and co. 2017-02-01 13:13:27 -08:00
RCTNavItem.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTNavItem.m NavigatorIOS System Icon Support 2016-09-08 17:58:50 -07:00
RCTNavItemManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTNavItemManager.m NavigatorIOS System Icon Support 2016-09-08 17:58:50 -07:00
RCTNavigator.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTNavigator.m reverted view clipping changes 2016-11-18 14:43:31 -08:00
RCTNavigatorManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTNavigatorManager.m NavigatorIOS: Expose interactivePopGestureEnabled property 2016-05-06 03:18:20 -07:00
RCTPicker.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTPicker.m Fix warnings in React.xcodeproj 2017-03-23 11:36:17 -07:00
RCTPickerManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTPickerManager.m Improve types in RCTFont API 2016-08-05 12:44:21 -07:00
RCTPointerEvents.h
…
RCTProgressViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTProgressViewManager.m Apple TV support 1: existing Objective C code should compile for tvOS 2016-09-27 06:28:33 -07:00
RCTRefreshControl.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTRefreshControl.m Make RCTRefreshControl not dependent on order of setting properties 2017-02-17 15:16:01 -08:00
RCTRefreshControlManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTRefreshControlManager.m Allow to set refresh control title color 2016-04-16 15:15:25 -07:00
RCTRootShadowView.h Simplifying mess with RCTRootViewSizeFlexibility 2017-02-19 23:19:47 -08:00
RCTRootShadowView.m Setting `availableSize` for `RCTRootShadowView` on earlier stage 2017-03-08 19:00:14 -08:00
RCTScrollContentShadowView.h Better RTL support especially for ScrollView's 2017-02-02 09:58:30 -08:00
RCTScrollContentShadowView.m Better RTL support especially for ScrollView's 2017-02-02 09:58:30 -08:00
RCTScrollContentViewManager.h Better RTL support especially for ScrollView's 2017-02-02 09:58:30 -08:00
RCTScrollContentViewManager.m Better RTL support especially for ScrollView's 2017-02-02 09:58:30 -08:00
RCTScrollView.h Remove unused native iOS sticky headers implementation 2017-03-05 14:21:40 -08:00
RCTScrollView.m Update RCTScrollView.m 2017-05-24 11:45:46 -07:00
RCTScrollViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTScrollViewManager.m Remove unused native iOS sticky headers implementation 2017-03-05 14:21:40 -08:00
RCTScrollableProtocol.h Add scrollToEnd to ScrollView and ListView 2017-01-27 10:13:29 -08:00
RCTSegmentedControl.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSegmentedControl.m
…
RCTSegmentedControlManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSegmentedControlManager.m Removed exported constants for fixed-size views 2016-04-26 04:21:39 -07:00
RCTShadowView+Layout.h Several layout related helper methods of RCTShadowView was moved to new (+Layout) category. 2017-05-08 11:31:20 -07:00
RCTShadowView+Layout.m Several layout related helper methods of RCTShadowView was moved to new (+Layout) category. 2017-05-08 11:31:20 -07:00
RCTShadowView.h Several layout related helper methods of RCTShadowView was moved to new (+Layout) category. 2017-05-08 11:31:20 -07:00
RCTShadowView.m Several layout related helper methods of RCTShadowView was moved to new (+Layout) category. 2017-05-08 11:31:20 -07:00
RCTSlider.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSlider.m remove unused includes in fbobjc/Libraries 2017-02-19 18:33:49 -08:00
RCTSliderManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSliderManager.m
…
RCTSwitch.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSwitch.m
…
RCTSwitchManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTSwitchManager.m
…
RCTTVView.h Apple TV support 4: support for input (tvOS focus engine) 2016-12-19 06:28:40 -08:00
RCTTVView.m Fix warnings in React.xcodeproj 2017-03-23 11:36:17 -07:00
RCTTabBar.h Enable setting color of text and images on unselected tabs 2016-05-03 05:40:29 -07:00
RCTTabBar.m Apple TV support 4: support for input (tvOS focus engine) 2016-12-19 06:28:40 -08:00
RCTTabBarItem.h ios: exposed 'RCTConvert UITabBarSystemItem:' in the header file 2017-02-15 02:17:17 -08:00
RCTTabBarItem.m Fix badgeColor for previous iOS 10 versions 2017-02-22 12:04:10 -08:00
RCTTabBarItemManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTTabBarItemManager.m Apple TV support 4: support for input (tvOS focus engine) 2016-12-19 06:28:40 -08:00
RCTTabBarManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTTabBarManager.m unselectedItemTintColor property available since iOS10 2016-11-29 12:28:55 -08:00
RCTTextDecorationLineType.h
…
RCTView.h Better RTL support especially for ScrollView's 2017-02-02 09:58:30 -08:00
RCTView.m iOS: Avoid adding extra spaces to accessibility label 2017-05-24 23:15:41 -07:00
RCTViewControllerProtocol.h
…
RCTViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTViewManager.m Add display:none support to react native 2017-03-01 09:16:05 -08:00
RCTWebView.h Add a injectJavaScript method to the WebView component 2017-01-06 20:29:02 -08:00
RCTWebView.m Add a injectJavaScript method to the WebView component 2017-01-06 20:29:02 -08:00
RCTWebViewManager.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTWebViewManager.m Add a injectJavaScript method to the WebView component 2017-01-06 20:29:02 -08:00
RCTWrapperViewController.h Move all header imports to "<React/..>" 2016-11-23 07:58:39 -08:00
RCTWrapperViewController.m Apple TV support 1: existing Objective C code should compile for tvOS 2016-09-27 06:28:33 -07:00
UIView+Private.h reverted view clipping changes 2016-11-18 14:43:31 -08:00
UIView+React.h `reactRespondsToTouch:` was removed 2017-04-10 12:32:31 -07:00
UIView+React.m `reactRespondsToTouch:` was removed 2017-04-10 12:32:31 -07:00