Adapt ConversationViewController to iPhoneX

// FREEBIE

Signal/src/UIColor+OWS.h

@@ -22,6 +22,7 @@ NS_ASSUME_NONNULL_BEGIN
 + (UIColor *)ows_blackColor;
 + (UIColor *)ows_errorMessageBorderColor;
 + (UIColor *)ows_infoMessageBorderColor;
++ (UIColor *)ows_inputToolbarBackgroundColor;
 + (UIColor *)backgroundColorForContact:(NSString *)contactIdentifier;
 + (UIColor *)colorWithRGBHex:(unsigned long)value;
 

Signal/src/UIColor+OWS.m

@@ -86,6 +86,11 @@ NS_ASSUME_NONNULL_BEGIN
     return [UIColor colorWithRed:239.f / 255.f green:189.f / 255.f blue:88.f / 255.f alpha:1.0f];
 }
 
++ (UIColor *)ows_inputToolbarBackgroundColor
+{
+    return [self colorWithWhite:245 / 255.f alpha:1.f];
+}
+
 + (UIColor *)ows_lightBackgroundColor
 {
     return [UIColor colorWithRed:242.f / 255.f green:242.f / 255.f blue:242.f / 255.f alpha:1.f];

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

@@ -72,7 +72,7 @@ static void *kConversationInputTextViewObservingContext = &kConversationInputTex
 {
     self.layoutMargins = UIEdgeInsetsZero;
 
-    self.backgroundColor = [UIColor colorWithWhite:245 / 255.f alpha:1.f];
+    self.backgroundColor = [UIColor ows_inputToolbarBackgroundColor];
 
     UIView *borderView = [UIView new];
     borderView.backgroundColor = [UIColor colorWithWhite:238 / 255.f alpha:1.f];

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -479,6 +479,13 @@ typedef NS_ENUM(NSInteger, MessagesRangeSizeMode) {
     [self loadDraftInCompose];
 }
 
+- (void)loadView
+{
+    [super loadView];
+
+    self.view.backgroundColor = [UIColor ows_inputToolbarBackgroundColor];
+}
+
 - (void)createContents
 {
     _layout = [ConversationViewLayout new];

Signal/src/ViewControllers/NewContactThreadViewController.m

@@ -75,6 +75,7 @@ NS_ASSUME_NONNULL_BEGIN
 {
     [super loadView];
 
+    self.view.backgroundColor = UIColor.whiteColor;
     _contactsViewHelper = [[ContactsViewHelper alloc] initWithDelegate:self];
     _nonContactAccountSet = [NSMutableSet set];
     _collation = [UILocalizedIndexedCollation currentCollation];

Signal/src/ViewControllers/OWSViewController.m

@@ -110,7 +110,8 @@ NS_ASSUME_NONNULL_BEGIN
     CGRect keyboardEndFrameConverted = [self.view convertRect:keyboardEndFrame fromView:nil];
     // Adjust the position of the bottom view to account for the keyboard's
     // intrusion into the view.
-    CGFloat offset = -MAX(0, (self.view.height - keyboardEndFrameConverted.origin.y));
+    // We offset by the bottomLayoutGuide for iPhoneX users, else there is an unnecessary gap between the keyboard and input bar.
+    CGFloat offset = -MAX(0, (self.view.height - keyboardEndFrameConverted.origin.y - self.bottomLayoutGuide.length));
 
     // There's no need to use: [UIView animateWithDuration:...].
     // Any layout changes made during these notifications are