add tintColor and barTintColor to TabBar

Libraries/Components/TabBarIOS/TabBarIOS.ios.js

@@ -25,11 +25,21 @@ var TabBarIOS = React.createClass({
 
   propTypes: {
     style: View.propTypes.style,
+    /**
+     * Color of the currently selected tab icon
+     */
+    tintColor: React.PropTypes.string,
+    /**
+     * Background color of the tab bar
+     */
+    barTintColor: React.PropTypes.string
   },
 
   render: function() {
     return (
-      <RCTTabBar style={[styles.tabGroup, this.props.style]}>
+      <RCTTabBar style={[styles.tabGroup, this.props.style]}
+        tintColor={this.props.tintColor}
+        barTintColor={this.props.barTintColor}>
         {this.props.children}
       </RCTTabBar>
     );

React/Views/RCTTabBar.h

@@ -13,6 +13,9 @@
 
 @interface RCTTabBar : UIView
 
+@property (nonatomic, strong) UIColor *tintColor;
+@property (nonatomic, strong) UIColor *barTintColor;
+
 - (instancetype)initWithEventDispatcher:(RCTEventDispatcher *)eventDispatcher NS_DESIGNATED_INITIALIZER;
 
 @end

React/Views/RCTTabBar.m

@@ -132,6 +132,16 @@ - (void)reactBridgeDidFinishTransaction
   }];
 }
 
+- (void)setBarTintColor:(UIColor *)barTintColor 
+{
+  _tabController.tabBar.barTintColor = barTintColor;
+}
+
+- (void)setTintColor:(UIColor *)tintColor 
+{
+  _tabController.tabBar.tintColor = tintColor;
+}
+
 #pragma mark - UITabBarControllerDelegate
 
 - (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController

React/Views/RCTTabBarManager.m

@@ -23,4 +23,7 @@ - (UIView *)view
   return [[RCTTabBar alloc] initWithEventDispatcher:_bridge.eventDispatcher];
 }
 
+RCT_EXPORT_VIEW_PROPERTY(tintColor, UIColor)
+RCT_EXPORT_VIEW_PROPERTY(barTintColor, UIColor)
+
 @end