Did you ever have a need to add logging of user actions to see how to reproduce that crash? This pod does just that.

UILogHelper.printToConsole = false

NotificationCenter.default.addObserver(forName: UILogItem.uiLogNotification, object: nil, queue: nil) { n in
    // handle log event, e.g. add it to your crash reporter's
    guard let log = n.object as? UILogItem else { return }
    if log.type == .viewControllerDidAppear { }
    if log.type == .controlAction { }
}

At this point n.object is an instance of UILogItem which has these properties:

@property (nonatomic) UILogItemType type;
@property (nonatomic, strong, nonnull) NSDate *timestamp;
@property (nonatomic, strong, nonnull) NSObject *object;
@property (nonatomic, strong, nullable) NSString *title;
@property (nonatomic, strong, nullable) NSIndexPath *indexPath;

This is quite a bare-bone implementation, please feel free to open the issue if you'd like a feature added. A pull-request would be even better.

Under the hood it's obj-c code that swizzles UIApplication, UIViewController, UITableView and UICollectionView.
Please let me know if you have a better idea for implementing this then swizzling.

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Installation

UILogger is available through CocoaPods. To install
it, simply add the following line to your Podfile:

pod 'UILogger'

Installation

ToDo:

• clean up console logging logic
• make UILogTitle protocol and extensions for UIViewController, UIButton, UICollectionViewCell to provide it's meaningful title

Author

Dan Pashchenko https://ios-engineer.com

License

UILogger is available under the MIT license. See the LICENSE file for more info.