nurtugan
/ Auto Layout by Tutorials.swift
Last active
August 7, 2020 15:22
Useful code snippets from Auto Layout by Tutorials book
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| // Chapter 1: Introducing Auto Layout | |
| // Chapter 2: Construct Auto Layout with the Interface Builder | |
| // 1 | |
| override func tableView(_ tableView: UITableView, accessoryButtonTappedForRowWith indexPath: IndexPath) { | |
| view.addSubview(contactPreviewView) | |
| contactPreviewView.translatesAutoresizingMaskIntoConstraints = false | |
| NSLayoutConstraint.activate([ // this line of code more performant than activating each constraint individually | |
| contactPreviewView.widthAnchor.constraint(equalToConstant: 150), | |
| contactPreviewView.heightAnchor.constraint(equalToConstant: 150), |
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| guard let path = Bundle.main.path(forResource: "ScheduleMock", ofType: "json") else { | |
| return | |
| } | |
| do { | |
| let data = try Data(contentsOf: URL(fileURLWithPath: path), options: .mappedIfSafe) | |
| let schedule = try Mapper<TakeawayScheduleModel>().map(JSONString: data.string) | |
| print(schedule.title) | |
| } catch { | |
| print(error.localizedDescription) | |
| assertionFailure() |
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| print(String(data: try! JSONSerialization.data(withJSONObject: json, options: .prettyPrinted), encoding: .utf8 )!) |
nurtugan
/ DiffableDataSource-DeleteItem.swift
Last active
July 17, 2024 20:28
Example of Deleting Item from Diffable Data Source
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| @objc | |
| private func handleGet(_ sender: UIButton) { | |
| var superview = sender.superview | |
| while superview != nil { | |
| if let cell = superview as? UICollectionViewCell { | |
| guard let indexPath = collectionView.indexPath(for: cell), | |
| let objectIClickedOnto = diffableDataSource.itemIdentifier(for: indexPath) else { return } | |
| var snapshot = diffableDataSource.snapshot() | |
| snapshot.deleteItems([objectIClickedOnto]) | |
| diffableDataSource.apply(snapshot) |
nurtugan
/ UIView+Layout.swift
Created
May 8, 2020 20:20
Making Programmatic Auto Layout Easy through Extensions
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| // | |
| // UIView+Layout.swift | |
| // Project X | |
| // | |
| // Created by Brian Voong on 2/10/19. | |
| // Copyright © 2019 Brian Voong. All rights reserved. | |
| // | |
| import UIKit |
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| disabled_rules: | |
| excluded: | |
| - Pods | |
| - ProjectX/Supporting Files/R.generated.swift # R.swift | |
| opt_in_rules: | |
| - anyobject_protocol | |
| - array_init | |
| - attributes |
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| extension UIViewController { | |
| func hideKeyboardWhenTappedAround() { | |
| let tap = UITapGestureRecognizer( | |
| target: self, | |
| action: #selector(dismissKeyboard) | |
| ) | |
| tap.cancelsTouchesInView = false | |
| view.addGestureRecognizer(tap) | |
| } |
nurtugan
/ TextFieldSwitching.swift
Last active
April 18, 2020 10:53
Switching between Text Fields on pressing return key
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| extension MyViewController: UITextFieldDelegate { | |
| func textFieldShouldReturn(_ textField: UITextField) -> Bool { | |
| // Try to find next responder | |
| if let nextTextField = textField.superview?.viewWithTag(textField.tag + 1) as? UITextField { | |
| nextTextField.becomeFirstResponder() | |
| } else { | |
| // Not found, so remove keyboard | |
| textField.resignFirstResponder() | |
| } | |
| // Do not add a line break |
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| import UIKit | |
| final class AppearanceManager { | |
| static let shared = AppearanceManager() | |
| private init () {} | |
| func setDefaultAppearance() { | |
| // Removes all navigation bar back button title | |
| UIBarButtonItem.appearance().setTitleTextAttributes( |
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| import Kingfisher | |
| import UIKit | |
| extension UIImageView { | |
| static func clearImageCache() { | |
| KingfisherManager.shared.cache.clearMemoryCache() | |
| KingfisherManager.shared.cache.clearDiskCache() | |
| } | |
| /// UIImageView+: Method for downloading image |
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