#update - nullabilities further

Signed-off-by: Ryne Cheow <[email protected]>

Code/Views/ATLAddressBarTextView.h

@@ -19,7 +19,7 @@
 //
 
 #import <UIKit/UIKit.h>
-
+NS_ASSUME_NONNULL_BEGIN
 extern NSString *const ATLAddressBarPartAttributeName;
 extern NSString *const ATLAddressBarNamePart;
 extern NSString *const ATLAddressBarDelimiterPart;
@@ -29,10 +29,11 @@ extern CGFloat const ATLAddressBarTextContainerInset;
 
 @interface ATLAddressBarTextView : UITextView
 
-@property (nonatomic) UIFont *addressBarFont UI_APPEARANCE_SELECTOR;
+@property (nonatomic, null_unspecified) UIFont *addressBarFont UI_APPEARANCE_SELECTOR;
 
 @property (nonatomic) UIColor *addressBarTextColor UI_APPEARANCE_SELECTOR;
 
 @property (nonatomic) UIColor *addressBarHighlightColor UI_APPEARANCE_SELECTOR;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLAddressBarView.h

@@ -20,7 +20,7 @@
 
 #import <UIKit/UIKit.h>
 #import "ATLAddressBarTextView.h"
-
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract The `ATLAddressBarView handles displaying the contents of the `ATLAddressBarController`.
  */
@@ -31,3 +31,4 @@
 @property (nonatomic) UIButton *addContactsButton;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLAvatarImageView.h

@@ -20,7 +20,7 @@
 
 #import <UIKit/UIKit.h>
 #import "ATLAvatarItem.h"
-
+NS_ASSUME_NONNULL_BEGIN
 extern CGFloat const ATLAvatarImageDiameter;
 
 /**
@@ -33,7 +33,7 @@ extern CGFloat const ATLAvatarImageDiameter;
  @abstract An object conforming to the `ATLAvatarItem` protocol. 
  @disucssion The object's image or initials will be used for display in the receiver.
  */
-@property (nonatomic) id<ATLAvatarItem> avatarItem;
+@property (nonatomic, null_resettable) id<ATLAvatarItem> avatarItem;
 
 /**
  @abstract Sets the diameter for the avatar image view. Default is 30.
@@ -63,3 +63,4 @@ extern CGFloat const ATLAvatarImageDiameter;
 - (void)resetView;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLConversationCollectionViewFooter.h

@@ -21,7 +21,7 @@
 #import <UIKit/UIKit.h>
 
 @class LYRMessage;
-
+NS_ASSUME_NONNULL_BEGIN
 extern NSString *const ATLConversationViewFooterIdentifier;
 
 /**
@@ -39,14 +39,15 @@ extern NSString *const ATLConversationViewFooterIdentifier;
  @abstract Displays a string of text representing the read status of a message.
  @param recipientStatus The string representing the status.
  */
-- (void)updateWithAttributedStringForRecipientStatus:(NSAttributedString *)recipientStatus;
+- (void)updateWithAttributedStringForRecipientStatus:(nullable NSAttributedString *)recipientStatus;
 
 /**
  @abstract Performs calculations to determine the footer height.
  @param recipientStatus An `NSAttributedString` containing attributes that will be used in the calculation.
  @param clustered A boolean value to determines whether the message cell corresponding to the footer should be clustered with the previous cell. Messages sent within 60 seconds of each other are clustered.
  @return The height for the footer.
  */
-+ (CGFloat)footerHeightWithRecipientStatus:(NSAttributedString *)recipientStatus  clustered:(BOOL)clustered;
++ (CGFloat)footerHeightWithRecipientStatus:(nullable NSAttributedString *)recipientStatus  clustered:(BOOL)clustered;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLConversationCollectionViewHeader.h

@@ -19,7 +19,7 @@
 //
 
 #import <UIKit/UIKit.h>
-
+NS_ASSUME_NONNULL_BEGIN
 @class LYRMessage;
 
 extern NSString *const ATLConversationViewHeaderIdentifier;
@@ -33,7 +33,7 @@ extern NSString *const ATLConversationViewHeaderIdentifier;
 /**
  @abstract The message associated with the header.
  */
-@property (nonatomic) LYRMessage *message;
+@property (nonatomic, null_unspecified) LYRMessage *message;
 
 /**
  @abstract The font for the participant label displayed in the header. Default is 10pt system font.
@@ -68,3 +68,4 @@ extern NSString *const ATLConversationViewHeaderIdentifier;
 + (CGFloat)headerHeightWithDateString:(NSAttributedString *)dateString participantName:(NSString *)participantName inView:(UIView *)view;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLConversationCollectionViewMoreMessagesHeader.h

@@ -8,7 +8,7 @@
 
 #import <UIKit/UIKit.h>
 
-extern NSString *const ATLMoreMessagesHeaderIdentifier;
+extern NSString *__nonnull const ATLMoreMessagesHeaderIdentifier;
 
 @interface ATLConversationCollectionViewMoreMessagesHeader : UICollectionReusableView
 

Code/Views/ATLConversationTableViewCell.h

@@ -20,7 +20,7 @@
 
 #import <UIKit/UIKit.h>
 #import "ATLConversationPresenting.h"
-
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract The `ATLConversationTableViewCell` class provides a lightweight, customizable table
  view cell for presenting Layer conversation objects.
@@ -68,3 +68,4 @@
 @property (nonatomic) UIColor *cellBackgroundColor UI_APPEARANCE_SELECTOR;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLConversationView.h

@@ -19,9 +19,10 @@
 //
 
 #import <UIKit/UIKit.h>
-
+NS_ASSUME_NONNULL_BEGIN
 @interface ATLConversationView : UIView
 
-@property (nonatomic) UIView *inputAccessoryView;
+@property (nonatomic, null_unspecified) UIView *inputAccessoryView;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLIncomingMessageCollectionViewCell.h

@@ -20,7 +20,7 @@
 
 #import "ATLMessageCollectionViewCell.h"
 
-extern NSString *const ATLIncomingMessageCellIdentifier;
+extern NSString *__nonnull const ATLIncomingMessageCellIdentifier;
 
 /**
  @abstract The `ATLIncomingMessageCollectionViewCell` class provides a lightweight, customizable collection

Code/Views/ATLMessageBubbleView.h

@@ -22,6 +22,7 @@
 #import <MapKit/MapKit.h>
 #import "ATLProgressView.h"
 
+NS_ASSUME_NONNULL_BEGIN
 extern CGFloat const ATLMessageBubbleLabelVerticalPadding;
 extern CGFloat const ATLMessageBubbleLabelHorizontalPadding;
 extern CGFloat const ATLMessageBubbleMapWidth;
@@ -103,6 +104,7 @@ extern NSString *const ATLUserDidTapPhoneNumberNotification;
  overriding this property's default value.
  @default `UIMenuItem` copy action.
  */
-@property (nonatomic) NSArray *menuControllerActions;
+@property (nonatomic) NSArray <UIMenuItem*>*menuControllerActions;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLMessageCollectionViewCell.h

@@ -24,6 +24,7 @@
 #import "ATLConstants.h"
 #import "ATLAvatarImageView.h"
 
+NS_ASSUME_NONNULL_BEGIN
 extern CGFloat const ATLMessageCellHorizontalMargin;
 extern NSString *const ATLGIFAccessibilityLabel;
 extern NSString *const ATLImageAccessibilityLabel;
@@ -95,3 +96,4 @@ extern CGFloat const ATLAvatarImageTailPadding;
 + (CGFloat)cellHeightForMessage:(LYRMessage *)message inView:(UIView *)view;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLMessageComposeTextView.h

@@ -19,7 +19,7 @@
 //
 
 #import <UIKit/UIKit.h>
-
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract The ATLMessageComposeTextView handles displaying content in an 
  `ATLMessageInputToolbar`. The class provides support for displaying text, 
@@ -39,3 +39,4 @@
 @property (nonatomic, weak) UIResponder *overrideNextResponder;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLMessageInputToolbar.h

@@ -22,6 +22,7 @@
 #import "ATLMessageComposeTextView.h"
 #import "ATLMediaAttachment.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @class ATLMessageInputToolbar;
 
 extern NSString *const ATLMessageInputToolbarDidChangeHeightNotification;
@@ -168,7 +169,7 @@ extern NSString *const ATLMessageInputToolbarAccessibilityLabel;
  @abstract An array of all media attachments displayed in the text view.
  @discussion Any existing media attachments will be removed when the right accessory button is tapped.
  */
-@property (nonatomic, readonly) NSArray *mediaAttachments;
+@property (nonatomic, readonly, nullable) NSArray <ATLMediaAttachment*>*mediaAttachments;
 
 //-------------------
 // Layout Accessories
@@ -182,3 +183,4 @@ extern NSString *const ATLMessageInputToolbarAccessibilityLabel;
 @property (nonatomic, weak) UIViewController *containerViewController;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLOutgoingMessageCollectionViewCell.h

@@ -20,7 +20,7 @@
 
 #import "ATLMessageCollectionViewCell.h"
 
-extern NSString *const ATLOutgoingMessageCellIdentifier;
+extern NSString *__nonnull const ATLOutgoingMessageCellIdentifier;
 
 /**
  @abstract The `ATLOutgoingMessageCollectionViewCell` class provides a lightweight, customizable collection

Code/Views/ATLParticipantSectionHeaderView.h

@@ -19,7 +19,7 @@
 //
 
 #import <UIKit/UIKit.h>
-
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract The `ATLParticipantSectionHeaderView` displays a letter representing a section
  in the participant picker.
@@ -47,3 +47,4 @@
 @property (nonatomic) UIColor *sectionHeaderBackgroundColor UI_APPEARANCE_SELECTOR;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLParticipantTableViewCell.h

@@ -21,7 +21,7 @@
 #import <UIKit/UIKit.h>
 #import "ATLParticipantPresenting.h"
 #import "ATLParticipant.h"    
-
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract The `ATLParticipantTableViewCell` class provides a lightweight, customizable table
  view cell for presenting Layer conversation participants.
@@ -44,3 +44,4 @@
 @property (nonatomic) UIColor *titleColor UI_APPEARANCE_SELECTOR;
 
 @end
+NS_ASSUME_NONNULL_END

Code/Views/ATLProgressView.h

@@ -20,6 +20,7 @@
 
 #import <UIKit/UIKit.h>
 
+NS_ASSUME_NONNULL_BEGIN
 /**
  @abstract A custom progress view that displays the progress in a circular
    shape. It includes two visual components: a subtle transparent background
@@ -46,3 +47,4 @@
 - (void)setProgress:(float)newProgress animated:(BOOL)animated;
 
 @end
+NS_ASSUME_NONNULL_END