Make the plus button not crash on iPad

syMessaging/syMessaging/CustomAlert.h

@@ -37,6 +37,7 @@ typedef void (^blockCustomAlert_onClick)(CustomAlert *alert);
 typedef void (^blockCustomAlert_textFieldHandler)(UITextField *textField);
 
 @property(nonatomic) NSInteger cancelButtonIndex; // required to dismiss cusmtomAlert on iOS < 8 (default is -1).
+@property(nonatomic, weak) UIView *sourceView;
 
 - (id)initWithTitle:(NSString *)title message:(NSString *)message style:(CustomAlertStyle)style;
 // adds a button with the title. returns the index (0 based) of where it was added.

syMessaging/syMessaging/CustomAlert.m

@@ -133,6 +133,10 @@
     if ([alert isKindOfClass:[UIAlertController class]]) {
         if (viewController) {
             parentViewController = viewController;
+            if (self.sourceView) {
+                [alert popoverPresentationController].sourceView = self.sourceView;
+                [alert popoverPresentationController].sourceRect = self.sourceView.bounds;
+            }
             [viewController presentViewController:(UIAlertController *)alert animated:YES completion:nil];
         }
     } else if ([alert isKindOfClass:[UIActionSheet class]]) {

syMessaging/syMessaging/ViewController/RoomViewController.m

@@ -953,6 +953,7 @@ NSString *const kFailedEventId = @"failedEventId";
         self.actionMenu.cancelButtonIndex = [self.actionMenu addActionWithTitle:@"Cancel" style:CustomAlertActionStyleDefault handler:^(CustomAlert *alert) {
              weakSelf.actionMenu = nil;
         }];
+        weakSelf.actionMenu.sourceView = weakSelf.optionBtn;
         [self.actionMenu showInViewController:self];
     }
 }