Add accessibility identifiers to privacy popups and subviews.

Signal/src/ViewControllers/AppSettings/OWSSoundSettingsViewController.m

@@ -46,16 +46,18 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)updateNavigationItems
 {
-    self.navigationItem.leftBarButtonItem =
+    UIBarButtonItem *cancelItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
-        [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                                                 target:self
                                                                                 action:@selector(cancelWasPressed:)];
+    cancelItem.accessibilityIdentifier = SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"cancel");
+    self.navigationItem.leftBarButtonItem = cancelItem;
 
     if (self.isDirty) {
-        self.navigationItem.rightBarButtonItem =
+        UIBarButtonItem *saveItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave
-            [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave
                                                                                   target:self
                                                                                   action:@selector(saveWasPressed:)];
+        saveItem.accessibilityIdentifier = SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"save");
+        self.navigationItem.rightBarButtonItem = saveItem;
     } else {
         self.navigationItem.rightBarButtonItem = nil;
     }

Signal/src/ViewControllers/AppSettings/PrivacySettingsTableViewController.m

@@ -419,16 +419,22 @@ static NSString *const kSealedSenderInfoURL = @"https://signal.org/blog/sealed-s
 
     [alertController addAction:[OWSAlerts cancelAction]];
 
-    UIAlertAction *deleteAction = [UIAlertAction
+    UIAlertAction *deleteAction =
-        actionWithTitle:NSLocalizedString(@"SETTINGS_DELETE_HISTORYLOG_CONFIRMATION_BUTTON",
+        [UIAlertAction actionWithTitle:
+                           NSLocalizedString(@"SETTINGS_DELETE_HISTORYLOG_CONFIRMATION_BUTTON",
                                @"Confirmation text for button which deletes all message, calling, attachments, etc.")
+               accessibilityIdentifier:SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"delete")
                                  style:UIAlertActionStyleDestructive
                                handler:^(UIAlertAction *_Nonnull action) {
                                    [self deleteThreadsAndMessages];
                                }];
     [alertController addAction:deleteAction];
 
-    [self presentViewController:alertController animated:true completion:nil];
+    [self presentViewController:alertController
+                       animated:true
+                     completion:^{
+                         [alertController applyAccessibilityIdentifiers];
+                     }];
 }
 
 - (void)deleteThreadsAndMessages

Signal/src/ViewControllers/OWS2FASettingsViewController.m

@@ -122,6 +122,7 @@ NS_ASSUME_NONNULL_BEGIN
     [self.pinTextfield addTarget:self
                           action:@selector(textFieldDidChange:)
                 forControlEvents:UIControlEventEditingChanged];
+    SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _pinTextfield);
     [self.view addSubview:self.pinTextfield];
 }
 
@@ -144,6 +145,7 @@ NS_ASSUME_NONNULL_BEGIN
             : NSLocalizedString(@"ENABLE_2FA_VIEW_STATUS_DISABLED_INSTRUCTIONS",
                   @"Indicates that user has 'two factor auth pin' disabled."));
     UILabel *instructionsLabel = [self createLabelWithText:instructions];
+    SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, instructionsLabel);
 
     [self createTableView];
 
@@ -191,6 +193,7 @@ NS_ASSUME_NONNULL_BEGIN
     [instructionsLabel autoPinTopToSuperviewMarginWithInset:kVSpacing];
     [instructionsLabel autoPinEdgeToSuperviewSafeArea:ALEdgeLeading withInset:self.hMargin];
     [instructionsLabel autoPinEdgeToSuperviewSafeArea:ALEdgeTrailing withInset:self.hMargin];
+    SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, instructionsLabel);
 
     [self.pinTextfield autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:instructionsLabel withOffset:kVSpacing];
     [self.pinTextfield autoPinEdgeToSuperviewSafeArea:ALEdgeLeading withInset:self.hMargin];
@@ -221,6 +224,7 @@ NS_ASSUME_NONNULL_BEGIN
                     addItem:[OWSTableItem disclosureItemWithText:
                                               NSLocalizedString(@"ENABLE_2FA_VIEW_DISABLE_2FA",
                                                   @"Label for the 'enable two-factor auth' item in the settings view")
+                                         accessibilityIdentifier:SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"enable_2fa")
                                                      actionBlock:^{
                                                          [weakSelf tryToDisable2FA];
                                                      }]];
@@ -229,6 +233,7 @@ NS_ASSUME_NONNULL_BEGIN
                     addItem:[OWSTableItem disclosureItemWithText:
                                               NSLocalizedString(@"ENABLE_2FA_VIEW_ENABLE_2FA",
                                                   @"Label for the 'enable two-factor auth' item in the settings view")
+                                         accessibilityIdentifier:SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"disable_2fa")
                                                      actionBlock:^{
                                                          [weakSelf showEnable2FAWorkUI];
                                                      }]];
@@ -259,19 +264,23 @@ NS_ASSUME_NONNULL_BEGIN
     // Note: This affects how the "back" button will look if another
     //       view is pushed on top of this one, not how the "back"
     //       button looks when this view is visible.
-    self.navigationItem.backBarButtonItem =
+    UIBarButtonItem *backButton =
         [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"BACK_BUTTON", @"button text for back button")
                                          style:UIBarButtonItemStylePlain
                                         target:self
                                         action:@selector(backButtonWasPressed)];
+    backButton.accessibilityIdentifier = SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"back");
+    self.navigationItem.backBarButtonItem = backButton;
 
     if (self.shouldHaveNextButton) {
-        self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]
+        UIBarButtonItem *nextButton = [[UIBarButtonItem alloc]
             initWithTitle:NSLocalizedString(@"ENABLE_2FA_VIEW_NEXT_BUTTON",
                               @"Label for the 'next' button in the 'enable two factor auth' views.")
                     style:UIBarButtonItemStylePlain
                    target:self
                    action:@selector(nextButtonWasPressed)];
+        nextButton.accessibilityIdentifier = SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, @"next");
+        self.navigationItem.rightBarButtonItem = nextButton;
     } else {
         self.navigationItem.rightBarButtonItem = nil;
     }

SignalMessaging/Views/UIAlertController+OWS.swift

@@ -10,7 +10,7 @@ extension UIAlertController {
         for action in actions {
             guard let view = action.value(forKey: "__representer") as? UIView else {
                 owsFailDebug("Missing representer.")
-                return
+                continue
             }
             view.accessibilityIdentifier = action.accessibilityIdentifier
         }