Detecting Touch and Hold on Screen iPhone (Xcode)

Creating Annotations on an MKMapView in iOS

The code you provided appears to be a mix of random lines of code, including comments that are not part of any actual function or method. It does not appear to be related to your original question.

Understanding the Challenges of Implementing $(document).scrollTop() on iOS with Touchmove Events

Defining Preprocessor Macros to Check iOS Version

Understanding Objective-C Mutable Array Initialization Best Practices for Robust Memory Management

Migrating Core Data to Shared App Group for Use in iOS Extensions

Resizing Cells in a Table View Using Autolayout in iOS 8

CSS Padding/Margin Rendering Differently on iOS versus Android Devices: A Guide to Mitigating Inconsistent Layouts

Here's the final code example that uses both Core Data and Realm to interact with a database.