Deleting Core Data from a UITableView within a UIViewController

Deleting Core Data from a UITableView within a UIViewController - Are you using an NSFetchedResultsController ? If not, try it and you shouldn't worry about reloading the table at all. Also, there's absolutely no need to use a

Swift — 4 — Core Data - I will suggest you to read previous tutorials on core data also: inserting, updating and deleting in core data and we need to update user interface like UITableView extension ViewController : NSFetchedResultsControllerDelegate { func configureCell(_ cell: UITableViewCell, at indexPath: IndexPath) {

Core Data Programming Guide: Connecting the Model to Views - In iOS, you use NSFetchedResultsController to connect the model (Core Data) to When you use Core Data with a UITableView-based layout, the Typically, the table view controller is also the delegate to the fetched . insertSections( IndexSet(integer: sectionIndex), with: .fade); case .delete: tableView.

NSFetchedResultsController - A controller that you use to manage the results of a Core Data fetch request and to UITableView expects its data source to provide cells as an array of sections made up of rows. Optionally monitor changes to objects in the associated managed object context, and as an instance variable of a table view controller.

Core Data and Swift: More NSFetchedResultsController - You'll notice that updating and deleting to-do items is What I cover in this series on Core Data is applicable to iOS 7+ and OS X 10.10+, Press Control and drag from the prototype cell in the ViewController instance to the To finish, we implement the tableView(_:didSelectRowAtIndexPath:) method of

Populate a Table View With NSFetchedResultsController and Swift - Swift 3 has substantially improved support for Core Data and the class to populate a table view, I find myself using it quite a bit in Core Data applications. extension ViewController: UITableViewDataSource { func tableView(_ . Remove the quotes property and update the implementation of the

Delete Rows from Table View iOS Tutorial - The row will be deleted in the data model(an array) and also inside the Table View itself. We will use a basic layout of our cells, so select the Table View Cell and go to the class ViewController: UITableViewController {.

CoreData tutorial in Swift using NSFetchedResultsController – Ravi - Delete ViewController.swift and Add new view controller which will be . Implementation of deleting rows from tableView and CoreData entity.

Use Core Data in UITableView in Swift 2.0 - Core Data is the framework in iOS SDK that is used for permanent data . When user deletes a cell in UITableView, delete it from both the

Beginner Guide to Core Data in Swift - However, you will be able to save, retrieve, delete data from the disk. I assume you are swift class ViewController: UIViewController, UITableViewDataSource,

core data uitableview swift 4

Populate a Table View With NSFetchedResultsController and Swift - Swift 3 has substantially improved support for Core Data and the NSFetchedResultsController class also benefits from these optimizations.

Swift — 4 — Core Data - NSFetchRequest — A fetch request containing information about what entity to fetch from core data store. NSSortDescriptor — A sort descriptor for arranging result in ascending or descending order. An optional section name to be displayed in table view section.

Core Data Programming Guide: Connecting the Model to Views - In addition to making it significantly easier to integrate Core Data with the table view )controller:(NSFetchedResultsController atSectionIndex sectionIndex: Int, for

Getting Started with Core Data Tutorial - But first, you need to make the view controller the table view's data source. In the . For now, let's focus on creating a single Core Data entity.

[IOS] TodoList with Core Data (Xcode 9.2 and Swift 4) - Let's navigate to our TodoViewController.swift and add import Core Data. This returns a reusable table-view cell object for the specified reuse identifier and

Populate TableView from CoreData with NSFetchRequest - You can load data from a persistent storage with this code: Configure Fetched Results Controller fetchedResultsController.delegate = self at indexPath: IndexPath?, for type: NSFetchedResultsChangeType, newIndexPath: IndexPath ?)

Optimizing Core Data Performance using - You've already seen how Core Data takes a huge amount of work away from you, to load the app, particularly when our table view can only show a handful at a time. to ViewController that will hold the fetched results controller for commits:

Displaying Data With NSFetchedResultsController and Swift - 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 MARK: TableView Data Source public func the data display dilemma when you're using Core Data.

How to Upgrade a Core Data and UITableView Project from Swift 2 - How to Upgrade a Core Data and UITableView Project from Swift 2 to Swift 4 Learn how to

IOS 11, Swift 4, Tutorial - Part 1 - Learn the easy way to Make Core Data Example included Save IOS 11, Swift 4, Tutorial

nsfetchedresultscontroller uicollectionview

Implementing NSFetchedResultsController for UICollectionView - Implementing NSFetchedResultsController for UICollectionView. 07 July 2014. 4 min read. I previously wrote about how to implement

Using UICollectionView with CoreData and - Sounds like an issue I had a while ago, when I was using objective C. Check out. UICollectionView Assertion failure. I had to do a work around

UICollectionView w/ NSFetchedResultsController - UICollectionView w/ NSFetchedResultsController & NSBlockOperation. Idea originated from Blake Watters

UICollectionView + NSFetchedResultsController Swift 3 / iOS 10 - UICollectionView + NSFetchedResultsController Swift 3 / iOS 10 - UICollectionView + var _fetchedResultsController: NSFetchedResultsController<Entity>?

UICollectionView+NSFetchedResultsController on CocoaPods.org - This is an example of how to use the new UICollectionView with NSFetchedResultsController . The trick is to queue the updates made through the

Swift — 4 — Core Data - we need to update user interface like UITableView and UICollectionView. This is Lazy initialization of NSFetchedResultsController class.

How to Use NSFetchedResultsController with UICollectionView - If you're looking for how to get around the NSInternalInconsistencyException runtime exception with UICollectionView , I have an example on

UICollectionView & Core Data - I discovered very quickly that UICollectionView and NSFetchedResultsController do NOT play nice together. Perhaps Apple didn't anticipate

NSFetchedResultsController - You'll quickly learn that the NSFetchedResultsController class . to manage the data displayed by a UITableView or a UICollectionView .

Core Data and Swift: NSFetchedResultsController - Today we learn how to use NSFetchedResultsController to handle updating our

core data tutorial

Getting Started with Core Data Tutorial - Learn the basics of building the data layer of your iOS app in this getting started with Core Data tutorial!

An Introductory Core Data Tutorial - If this description fits you, then take a seat. This Core Data tutorial teaches you everything you need to know to better understand what Core

Core Data Programming Guide: What Is Core Data? - Core Data is a framework that you use to manage the model layer objects in your application. It provides generalized and automated solutions

Core Data with Swift 4 for Beginners - XCBlog - Core Data is one of the most popular frameworks provided by Apple for iOS and macOS apps. Core data is used to manage the model layer object in our application. You can treat Core Data as a framework to save, track, modify and filter the data within iOS apps, however, Core Data is not a Database.

Getting Started with Core Data in iOS 11, Xcode 9, and Swift 4 - So, this article is written for anyone who has never used Core Data feel free to just read through this tutorial first and then play around with it.

Beginner's Guide to Core Data in Swift 4 - Core Data is a framework, provided by Apple, to be used on Applications for iOS and macOS. As Apple states, it is not a database, but instead a

Core Data on iOS 10, a brief overview with an Example - While working on my latest project I have decided to write a tutorial about Core Data Relationships between Entities. Persistent Storage has

Core Data Relationships - By - IntroductionThe Core Data framework has been around for many years. It's used in thousands of applications and by millions of people, both on

Core Data From Scratch: Core Data Stack - Core Data is probably one of the most misunderstood Frameworks on OS X and iOS. To help with that, we'll quickly go through Core Data to give you an

Core Data Overview · objc.io - Core Data is composed of a variety of components. In this tutorial, you'll learn about the

nsfetchedresultscontroller sections

sections - sections. The sections for the fetch results. SDKs. iOS 3.0+; macOS 10.12+; tvOS in the sections array implement the NSFetchedResultsSectionInfo protocol.

NSFetchedResultsController - class NSFetchedResultsController<ResultType> : NSObject where UITableView expects its data source to provide cells as an array of sections made up of

Creating sections with NSFetchedResultsController, on the fly - If you want an FRC with sections, you have to add a sort descriptor to the fetch request, and that sort descriptor cannot be based on transient

Displaying Data With NSFetchedResultsController and Swift - The combination of an NSFetchedResultsController and a various pieces of the UI (table view section headers, cell “title” and “subtitle” text.

Swift NSFetchedResultsController Trickery - NSFetchedResultsController requires that the sections are sorted in the same order as the rows so they can be fetched in batches. Since the sorting attributes must be stored in the persistent store, that also means the sectionNameKeyPath must either be stored itself or derived from a stored property.

How to implement Table Headers with NSFetchedResultsController - To use sections in a table view that's powered by Core Data and a fetched results controller, we need to specify a property called

Add Sections to Table View With NSFetchedResultsController and - In this tutorial, we add sections to the table view of quotes. Each section contains the quotes of a particular author. If you want to follow along,

NSFetchedResultsController sectionNameKeyPath Archives - Let's say we want to make person's Name as section title of our table view sections using NSFetchedResultsController class. We have a

Optimizing Core Data Performance using NSFetchedResultsController - However, when you use NSFetchedResultsController , you need to use it everywhere: that means it tells you how many sections and rows you have, it keeps

Implementing NSFetchedResultsController in Swift - lazy var fetchedResultsController: NSFetchedResultsController = { let We will see how to implement them in the next 3 sections.

nsfetchedresultscontroller tutorial

Core Data Tutorial for iOS: How To Use NSFetchedResultsController - In the first part of the Core Data tutorial series, we created a visual data model for our objects, ran a quick and dirty test to make sure it works, and hooked it up to

Optimizing Core Data Performance using NSFetchedResultsController - No tutorial on Core Data would be complete without teaching NSFetchedResultsController , so that's the last thing we'll be doing in this project. I left it until the

Populate a Table View With NSFetchedResultsController and Swift - Even though you don't need to use the NSFetchedResultsController In this tutorial, we create an application that manages a list of quotes.

Managing Records With Fetched Results Controllers - The NSFetchedResultsController class isn't an essential component of a Core Data This tutorial introduces you to the, almost magical,

Core Data Programming Guide: Connecting the Model to Views - However, Cocoa bindings are not a part of the user interface in iOS. In iOS, you use NSFetchedResultsController to connect the model (Core

NSFetchedResultsController - While table views can be used in several ways, fetched results controllers primarily assist you with a master list view. UITableView expects its data source to

NSFetchedResultsController Tutorial: The Easiest Way to Manage - In this tutorial, we're going to guide you how you can use NSFetchedResultsController class including NSFetchRequest example.

Swift — 4 — Core Data - I will suggest you to read previous tutorials on core data also: Keeping all This is Lazy initialization of NSFetchedResultsController class.

Swift: How to use NSFetchedResultsController to auto fetch latest - In this tutorial, we'll also meet another star player of the Core Data framework, the NSFetchedResultsController class. The application that we're

Core Data from Scratch: NSFetchedResultsController - our implementation of another NSFetchedResultsController by updating Microsoft word