screen background fix on iOS (#3332)

* Screen background option fixed in iOS

* fix unit tests

lib/ios/RNNLayoutOptions.h

 
 @interface RNNLayoutOptions : RNNOptions
 
-@property (nonatomic, strong) NSNumber* screenBackgroundColor;
+@property (nonatomic, strong) NSNumber* backgroundColor;
 @property (nonatomic, strong) id orientation;
 
 - (UIInterfaceOrientationMask)supportedOrientations;

lib/ios/RNNLayoutOptions.m

 @implementation RNNLayoutOptions
 
 - (void)applyOn:(UIViewController *)viewController {
-	if (self.screenBackgroundColor) {
-		UIColor* screenColor = [RCTConvert UIColor:self.screenBackgroundColor];
+	if (self.backgroundColor) {
+		UIColor* screenColor = [RCTConvert UIColor:self.backgroundColor];
 		viewController.view.backgroundColor = screenColor;
 	}
 }
 			}
 		}
 	}
-	
+
 	return supportedOrientationsMask;
 }
 

lib/ios/ReactNativeNavigationTests/RNNRootViewControllerTest.m

 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
-	
+
 	XCTAssertTrue([self.uut.navigationController.navigationBar.barTintColor isEqual:expectedColor]);
 }
 
 -(void)testTopBarBackgroundColorWithoutNavigationController{
 	NSNumber* inputColor = @(0xFFFF0000);
 	self.options.topBar.background.color = inputColor;
-	
+
 	XCTAssertNoThrow([self.uut viewWillAppear:false]);
 }
 
 - (void)testStatusBarHidden_default {
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertFalse([self.uut prefersStatusBarHidden]);
 }
 
 	self.options.statusBar.hidden = @(1);
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertTrue([self.uut prefersStatusBarHidden]);
 }
 
 	self.options.topBar.visible = @(0);
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertFalse([self.uut prefersStatusBarHidden]);
 }
 
 	self.options.statusBar.hidden = @(0);
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertFalse([self.uut prefersStatusBarHidden]);
 }
 
 	NSString* title =@"some title";
 	self.options.topBar.title.text = title;
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
-	
+
 	[self.uut viewWillAppear:false];
 	XCTAssertTrue([self.uut.navigationItem.title isEqual:title]);
 }
 
 -(void)testTitle_default{
 	__unused RNNNavigationController* nav = [[RNNNavigationController alloc] initWithRootViewController:self.uut];
-	
+
 	[self.uut viewWillAppear:false];
 	XCTAssertNil(self.uut.navigationItem.title);
 }
 	XCTAssertTrue([self.uut.navigationController.navigationBar.titleTextAttributes[@"NSColor"] isEqual:expectedColor]);
 }
 
--(void)testScreenBackgroundColor_validColor{
+-(void)testbackgroundColor_validColor{
 	NSNumber* inputColor = @(0xFFFF0000);
-	self.options.layout.screenBackgroundColor = inputColor;
+	self.options.layout.backgroundColor = inputColor;
 	[self.uut viewWillAppear:false];
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
 	XCTAssertTrue([self.uut.view.backgroundColor isEqual:expectedColor]);
 	[vc setViewControllers:controllers];
 	[self.uut viewWillAppear:false];
 	XCTAssertTrue([self.uut.tabBarItem.badgeValue isEqualToString:tabBadgeInput]);
-	
+
 }
 
 -(void)testTopBarTransparent_BOOL_True {
 
 
 -(void)testStoreOriginalTopBarImages {
-	
+
 }
 
 
 	self.options.layout.orientation = supportedOrientations;
 	__unused RNNTabBarController* vc = [[RNNTabBarController alloc] init];
 	NSMutableArray* controllers = [NSMutableArray new];
-	
+
 	[controllers addObject:self.uut];
 	[vc setViewControllers:controllers];
 	[self.uut viewWillAppear:false];
-	
+
 	UIInterfaceOrientationMask expectedOrientation = UIInterfaceOrientationMaskPortrait;
 	XCTAssertTrue(self.uut.tabBarController.supportedInterfaceOrientations == expectedOrientation);
 }
 	self.options.layout.orientation = supportedOrientations;
 	__unused RNNTabBarController* vc = [[RNNTabBarController alloc] init];
 	NSMutableArray* controllers = [NSMutableArray new];
-	
+
 	[controllers addObject:self.uut];
 	[vc setViewControllers:controllers];
 	[self.uut viewWillAppear:false];
-	
+
 	UIInterfaceOrientationMask expectedOrientation = (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskLandscape);
 	XCTAssertTrue(self.uut.tabBarController.supportedInterfaceOrientations == expectedOrientation);
 }
 	self.options.layout.orientation = supportedOrientations;
 	__unused RNNTabBarController* vc = [[RNNTabBarController alloc] init];
 	NSMutableArray* controllers = [NSMutableArray new];
-	
+
 	[controllers addObject:self.uut];
 	[vc setViewControllers:controllers];
 	[self.uut viewWillAppear:false];
-	
+
 	UIInterfaceOrientationMask expectedOrientation = UIInterfaceOrientationMaskAll;
 	XCTAssertTrue(self.uut.tabBarController.supportedInterfaceOrientations == expectedOrientation);
 }
 	self.options.topBar.rightButtons = @[@{@"id": @"testId", @"title": @"test"}];
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	RNNUIBarButtonItem* button = (RNNUIBarButtonItem*)[nav.topViewController.navigationItem.rightBarButtonItems objectAtIndex:0];
 	NSString* expectedButtonId = @"testId";
 	NSString* expectedTitle = @"test";
 
 -(void)testRightButtonsWithTitle_withStyle {
 	NSNumber* inputColor = @(0xFFFF0000);
-	
+
 	self.options.topBar.rightButtons = @[@{@"id": @"testId", @"title": @"test", @"enabled": @false, @"buttonColor": inputColor, @"buttonFontSize": @22, @"buttonFontWeight": @"800"}];
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	RNNUIBarButtonItem* button = (RNNUIBarButtonItem*)[nav.topViewController.navigationItem.rightBarButtonItems objectAtIndex:0];
 	NSString* expectedButtonId = @"testId";
 	NSString* expectedTitle = @"test";
 	XCTAssertTrue([button.buttonId isEqualToString:expectedButtonId]);
 	XCTAssertTrue([button.title isEqualToString:expectedTitle]);
 	XCTAssertFalse(button.enabled);
-	
+
 	//TODO: Determine how to tests buttonColor,buttonFontSize and buttonFontWeight?
 }
 
 	self.options.topBar.leftButtons = @[@{@"id": @"testId", @"title": @"test"}];
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	RNNUIBarButtonItem* button = (RNNUIBarButtonItem*)[nav.topViewController.navigationItem.leftBarButtonItems objectAtIndex:0];
 	NSString* expectedButtonId = @"testId";
 	NSString* expectedTitle = @"test";
 
 -(void)testLeftButtonsWithTitle_withStyle {
 	NSNumber* inputColor = @(0xFFFF0000);
-	
+
 	self.options.topBar.leftButtons = @[@{@"id": @"testId", @"title": @"test", @"enabled": @false, @"buttonColor": inputColor, @"buttonFontSize": @22, @"buttonFontWeight": @"800"}];
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	RNNUIBarButtonItem* button = (RNNUIBarButtonItem*)[nav.topViewController.navigationItem.leftBarButtonItems objectAtIndex:0];
 	NSString* expectedButtonId = @"testId";
 	NSString* expectedTitle = @"test";
 	XCTAssertTrue([button.buttonId isEqualToString:expectedButtonId]);
 	XCTAssertTrue([button.title isEqualToString:expectedTitle]);
 	XCTAssertFalse(button.enabled);
-	
+
 	//TODO: Determine how to tests buttonColor,buttonFontSize and buttonFontWeight?
 }
 
 	self.options.backgroundImage = backgroundImage;
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertTrue([[(UIImageView*)self.uut.view.subviews[0] image] isEqual:backgroundImage]);
 }
 
 	self.options.topBar.drawBehind = @(1);
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertTrue(self.uut.edgesForExtendedLayout & UIRectEdgeTop);
 }
 
 	self.options.topBar.drawBehind = @(0);
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertFalse(self.uut.edgesForExtendedLayout & UIRectEdgeTop);
 }
 
 	self.options.bottomTabs.drawBehind = @(1);
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertTrue(self.uut.edgesForExtendedLayout & UIRectEdgeBottom);
 }
 
 	self.options.bottomTabs.drawBehind = @(0);
 	__unused UINavigationController* nav = [[UINavigationController alloc] initWithRootViewController:self.uut];
 	[self.uut viewWillAppear:false];
-	
+
 	XCTAssertFalse(self.uut.edgesForExtendedLayout & UIRectEdgeBottom);
 }