statusBarHidden support for ios (#1543)

lib/ios/RNNRootViewController.m

 #import "RNNRootViewController.h"
 
 @interface RNNRootViewController()
-@property NSString* containerId;
-@property NSString* containerName;
-@property RNNEventEmitter *eventEmitter;
+@property (nonatomic, strong) NSString* containerId;
+@property (nonatomic, strong) NSString* containerName;
+@property (nonatomic, strong) RNNEventEmitter *eventEmitter;
+@property (nonatomic) BOOL _statusBarHidden;
 @end
 
 @implementation RNNRootViewController
 											   object:nil];
 	
 	self.navigationItem.title = node.data[@"navigationOptions"][@"title"];
+	self._statusBarHidden = [(NSNumber*)node.data[@"navigationOptions"][@"statusBarHidden"] boolValue];
 	
 	return self;
 }
 
+- (BOOL)prefersStatusBarHidden {
+	return self._statusBarHidden; // || self.navigationController.isNavigationBarHidden;
+}
+
+
 -(void)viewDidAppear:(BOOL)animated {
 	[super viewDidAppear:animated];
 	[self.eventEmitter sendContainerStart:self.containerId];

lib/ios/ReactNativeNavigationTests/RNNControllerFactoryTest.m

 	XCTAssertTrue([right.child isMemberOfClass:[RNNRootViewController class]]);
 }
 
-- (void)testCreateLayout_ContainerSideMenuLayoutCenterTabBar {
-	RNNSideMenuController *ans = (RNNSideMenuController*) [self.factory createLayoutAndSaveToStore:
-														   @{@"id": @"cntId",
-															 @"type": @"SideMenuRoot",
-															 @"data": @{},
-															 @"children": @[
-																	 @{@"id": @"cntI_2",
-																	   @"type": @"SideMenuCenter",
-																	   @"data": @{},
-																	   @"children": @[
-																			   @{@"id": @"cntId_3",
-																				 @"type": @"BottomTabs",
-																				 @"data": @{},
-																				 @"children": @[
-																						 @{@"id": @"cntId_4",
-																						   @"type": @"ContainerStack",
-																						   @"data": @{},
-																						   @"children": @[
-																								   @{@"id": @"cntId_2",
-																									 @"type": @"Container",
-																									 @"data": @{},
-																									 @"children": @[]}]}]}]}]}
-														   ];
-	
-	XCTAssertTrue([ans isMemberOfClass:[RNNSideMenuController class]]);
-	XCTAssertTrue([ans isKindOfClass:[UIViewController class]]);
-	XCTAssertTrue([ans.center isMemberOfClass:[RNNSideMenuChildVC class]]);
-	
-	RNNSideMenuChildVC *center = (RNNSideMenuChildVC*)ans.center;
-	XCTAssertTrue(center.type == RNNSideMenuChildTypeCenter);
-	XCTAssertTrue([center.child isMemberOfClass:[UITabBarController class]]);
-	
-	UITabBarController *tabbBar = (UITabBarController*)center.child;
-	XCTAssertTrue(tabbBar.viewControllers.count == 1);
-	
-	UINavigationController *navController = (UINavigationController*)(tabbBar.viewControllers[0]);
-	XCTAssertTrue([navController isMemberOfClass:[UINavigationController class]]);
-	XCTAssertTrue(navController.viewControllers.count == 1);
-	
-	RNNRootViewController *rootViewController = (RNNRootViewController*)navController.viewControllers[0];
-	XCTAssertTrue([rootViewController isMemberOfClass:[RNNRootViewController class]]);
-	
+
+- (void)testNavigationOptions_default {
+	UIViewController *ans = [self.factory createLayoutAndSaveToStore: @{@"id": @"cntId_2",
+																		@"type": @"Container",
+																		@"data": @{@"navigationOptions": @{}},
+																		@"children": @[]}];
+	XCTAssertFalse([ans prefersStatusBarHidden]);
+}
+
+- (void)testNavigationOptions_true {
+	UIViewController *ans = [self.factory createLayoutAndSaveToStore: @{@"id": @"cntId_2",
+																	    @"type": @"Container",
+																		@"data": @{
+																			@"navigationOptions": @{
+																					@"statusBarHidden": @(1)
+																					}
+																			},
+																		@"children": @[]}];
+	XCTAssertTrue([ans prefersStatusBarHidden]);
+}
+
+- (void)testNavigationOptions_false {
+	UIViewController *ans = [self.factory createLayoutAndSaveToStore: @{@"id": @"cntId_2",
+																		@"type": @"Container",
+																		@"data": @{
+																				@"navigationOptions": @{
+																						@"statusBarHidden": @(0)
+																						}
+																				},
+																		@"children": @[]}];
+	XCTAssertFalse([ans prefersStatusBarHidden]);
 }
 
 - (void)testCreateLayout_addContainerToStore {