remove yellow boxes on iOS

lib/ios/RCTHelpers.h

@@ -5,4 +5,5 @@
 + (NSMutableDictionary *)textAttributesFromDictionary:(NSDictionary *)dictionary withPrefix:(NSString *)prefix;
 + (NSMutableDictionary *)textAttributesFromDictionary:(NSDictionary *)dictionary withPrefix:(NSString *)prefix baseFont:(UIFont *)font;
 + (NSString*)getTimestampString;
++ (BOOL)removeYellowBox:(RCTRootView *)reactRootView;
 @end

lib/ios/RCTHelpers.m

@@ -135,5 +135,64 @@
 	return [NSString stringWithFormat:@"%lld", milliseconds];
 }
 
++ (NSArray *)getAllSubviewsForView:(UIView *)view {
+	NSMutableArray *allSubviews = [NSMutableArray new];
+	for (UIView *subview in view.subviews)
+	{
+		[allSubviews addObject:subview];
+		[allSubviews addObjectsFromArray:[self getAllSubviewsForView:subview]];
+	}
+	return allSubviews;
+}
+
+/*
+ The YellowBox is added to each RCTRootView. Regardless if there are warnings or not, if there's a warning anywhere in the app - it is added
+ Since it is always appears on the top, it blocks interactions with other components.
+ It is most noticeable in RCCLightBox and RCCNotification where button (for example) are not clickable if placed at the bottom part of the view
+ */
+
++ (BOOL)removeYellowBox:(RCTRootView *)reactRootView {
+#ifndef DEBUG
+	return YES;
+#endif
+	
+	BOOL removed = NO;
+	
+	NSArray* subviews = [self getAllSubviewsForView:reactRootView];
+	for (UIView *view in subviews)
+	{
+		if ([view isKindOfClass:[RCTView class]])
+		{
+			CGFloat r, g, b, a;
+			[view.backgroundColor getRed:&r green:&g blue:&b alpha:&a];
+			
+			//identify the yellow view by its hard-coded color and height
+			if((lrint(r * 255) == 250) && (lrint(g * 255) == 186) && (lrint(b * 255) == 48) && (lrint(a * 100) == 95) && (view.frame.size.height == 46))
+			{
+				UIView *yelloboxParentView = view;
+				while (view.superview != nil)
+				{
+					yelloboxParentView = yelloboxParentView.superview;
+					if ([yelloboxParentView isKindOfClass:[RCTScrollView class]])
+					{
+						yelloboxParentView = yelloboxParentView.superview;
+						break;
+					}
+				}
+				
+				[yelloboxParentView removeFromSuperview];
+				removed = YES;
+				break;
+			}
+		}
+		
+		if (removed)
+		{
+			break;
+		}
+	}
+	
+	return removed;
+}
 
 @end

lib/ios/RNNReactRootView.m

@@ -1,7 +1,25 @@
 #import "RNNReactRootView.h"
+#import "RCTHelpers.h"
 
 @implementation RNNReactRootView
 
+- (instancetype)initWithBridge:(RCTBridge *)bridge moduleName:(NSString *)moduleName initialProperties:(NSDictionary *)initialProperties {
+	self = [super initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties];
+	
+#ifdef DEBUG
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(contentDidAppear:) name:RCTContentDidAppearNotification object:nil];
+#endif
+	
+	return self;
+}
+
+- (void)contentDidAppear:(NSNotification *)notification {
+	if ([((RNNReactRootView *)notification.object).moduleName isEqualToString:self.moduleName]) {
+		[RCTHelpers removeYellowBox:self];
+		[[NSNotificationCenter defaultCenter] removeObserver:self];
+	}
+}
+
 - (void)setRootViewDidChangeIntrinsicSize:(void (^)(CGSize))rootViewDidChangeIntrinsicSize {
 	_rootViewDidChangeIntrinsicSize = rootViewDidChangeIntrinsicSize;
 	self.delegate = self;