Best Swift-snapshot-testing code snippet using CollectionViewController.traitCollectionDidChange
CollectionViewController.swift
Source: CollectionViewController.swift
...19 as? CollectionViewLayout else { return }20 collectionViewLayout.delegate = self21 }22 23 override func traitCollectionDidChange(24 _ previousTraitCollection: UITraitCollection?25 ) {26 super.traitCollectionDidChange(previousTraitCollection)27 guard previousTraitCollection?.preferredContentSizeCategory28 != traitCollection.preferredContentSizeCategory29 else { return }30 collectionView.collectionViewLayout.invalidateLayout()31 }32 // MARK: - Actions33 @IBAction func cancelBarButtonDidTouchUpInside(_ sender: UIBarButtonItem) {34 DispatchQueue.main.async { [weak self] in35 self?.dismiss(animated: true)36 }37 }38}39// MARK: - UICollectionViewDataSource40extension CollectionViewController {...
FakeCoordinator.swift
Source: FakeCoordinator.swift
...13 public var viewWillAppear = false14 public var viewWillDisappear = false15 public var viewDidAppear = false16 public var viewDidDisappear = false17 public var traitCollectionDidChange = false18 public init(navigator: Navigator? = nil) {19 let layout = ListViewLayout(stickyHeaders: false, topContentInset: 0, stretchToEdge: false)20 let collectionVC = CollectionViewController(layout: layout)21 collectionVC.backgroundImage = UIImage()22 let listController = LegacyListController()23 let navigator = navigator ?? BasicNavigator(parent: nil)24 let presenter = FakePresenter()25 super26 .init(27 navigator: navigator,28 viewController: collectionVC,29 presenter: presenter,30 listController: listController31 )32 viewController.events33 .subscribe(onNext: { [weak self] event in34 self?.handle(event)35 })36 .disposed(by: disposeBag)37 collectionVC.view.frame = CGRect(x: 0, y: 0, width: 500, height: 10_000)38 }39 // MARK: - ListControllerSizeDelegate40 override public func listController(41 _ listController: ListController,42 sizeFor model: ListCellModel,43 at indexPath: IndexPath,44 constrainedTo sizeConstraints: ListSizeConstraints45 ) -> CGSize? {46 CGSize(width: sizeConstraints.adjustedContainerSize.width, height: 24)47 }48 private func handle(_ event: ListViewControllerEvent) {49 switch event {50 case .traitCollectionDidChange:51 traitCollectionDidChange = true52 case .viewDidDisappear:53 viewDidDisappear = true54 case .viewDidLoad:55 viewDidLoad = true56 case .viewWillAppear:57 viewWillAppear = true58 case .viewWillDisappear:59 viewWillDisappear = true60 case .viewDidAppear:61 viewDidAppear = true62 }63 }64}...
FakePanModalCoordinator.swift
Source: FakePanModalCoordinator.swift
...15 public var viewWillAppear = false16 public var viewWillDisappear = false17 public var viewDidAppear = false18 public var viewDidDisappear = false19 public var traitCollectionDidChange = false20 public init(navigator: Navigator? = nil) {21 let layout = ListViewLayout(stickyHeaders: false, topContentInset: 0, stretchToEdge: false)22 let collectionVC = CollectionViewController(layout: layout)23 collectionVC.backgroundImage = UIImage()24 let listController = LegacyListController()25 let presenter = FakePresenter()26 super27 .init(28 parentNavigator: navigator,29 collectionViewController: collectionVC,30 presenter: presenter,31 listController: listController32 )33 viewController.events34 .subscribe(onNext: { [weak self] event in35 self?.handle(event)36 })37 .disposed(by: disposeBag)38 collectionVC.view.frame = CGRect(x: 0, y: 0, width: 500, height: 10_000)39 }40 // MARK: - ListControllerSizeDelegate41 override public func listController(42 _ listController: ListController,43 sizeFor model: ListCellModel,44 at indexPath: IndexPath,45 constrainedTo sizeConstraints: ListSizeConstraints46 ) -> CGSize? {47 CGSize(width: sizeConstraints.adjustedContainerSize.width, height: 24)48 }49 private func handle(_ event: ListViewControllerEvent) {50 switch event {51 case .traitCollectionDidChange:52 traitCollectionDidChange = true53 case .viewDidDisappear:54 viewDidDisappear = true55 case .viewDidLoad:56 viewDidLoad = true57 case .viewWillAppear:58 viewWillAppear = true59 case .viewWillDisappear:60 viewWillDisappear = true61 case .viewDidAppear:62 viewDidAppear = true63 }64 }65}...
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UIViewController {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {7 super.traitCollectionDidChange(previousTraitCollection)8 if traitCollection.hasDifferentColorAppearance(comparedTo: previousTraitCollection) {9 }10 }
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UICollectionViewController {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {7 super.traitCollectionDidChange(previousTraitCollection)8 print("traitCollectionDidChange")9 }10 override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {11 print("willTransition")12 }13 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {14 print("viewWillTransition")15 }16 override func viewWillLayoutSubviews() {17 print("viewWillLayoutSubviews")18 }19 override func viewDidLayoutSubviews() {20 print("viewDidLayoutSubviews")21 }22 override func viewDidAppear(_ animated: Bool) {23 print("viewDidAppear")24 }25 override func viewWillDisappear(_ animated: Bool) {26 print("viewWillDisappear")27 }28 override func viewDidDisappear(_ animated: Bool) {29 print("viewDidDisappear")30 }31 override func viewDidUnload() {32 print("viewDidUnload")33 }34 override func didReceiveMemoryWarning() {35 print("didReceiveMemoryWarning")36 }37}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {7 super.viewWillTransition(to: size, with: coordinator)8 collectionView.collectionViewLayout.invalidateLayout()9 }10 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {11 super.traitCollectionDidChange(previousTraitCollection)12 collectionView.collectionViewLayout.invalidateLayout()13 }14 func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {15 }16 func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {17 let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath)18 }19}20import UIKit21class ViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {22 override func viewDidLoad() {23 super.viewDidLoad()24 }25 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {26 super.viewWillTransition(to: size, with: coordinator)27 collectionView.collectionViewLayout.invalidateLayout()28 }29 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {30 super.traitCollectionDidChange(previousTraitCollection)31 collectionView.collectionViewLayout.invalidateLayout()32 }33 func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {34 }35 func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {36 let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath)37 }38 func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {39 if traitCollection.horizontalSizeClass == .compact {40 return CGSize(width: collectionView.frame.width, height: 100)41 } else {42 return CGSize(width: collectionView.frame.width/2, height: 100)43 }44 }45}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UIViewController {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {7 print("traitCollectionDidChange")8 }9 override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {10 print("willTransition")11 }12 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {13 print("viewWillTransition")14 }15}16extension ViewController: UICollectionViewDelegateFlowLayout {17 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {18 print("traitCollectionDidChange")19 }20 override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {21 print("willTransition")22 }23 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {24 print("viewWillTransition")25 }26}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UIViewController {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {7 if self.traitCollection.horizontalSizeClass == .compact {8 }9 else {10 }11 }12 override func didReceiveMemoryWarning() {13 super.didReceiveMemoryWarning()14 }15}16import UIKit17class ViewController: UIViewController {18 override func viewDidLoad() {19 super.viewDidLoad()20 }21 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {22 if self.traitCollection.horizontalSizeClass == .compact {23 }24 else {25 }26 }27 override func didReceiveMemoryWarning() {28 super.didReceiveMemoryWarning()29 }30}31import UIKit32class ViewController: UIViewController {33 override func viewDidLoad() {34 super.viewDidLoad()35 }36 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {37 if self.traitCollection.horizontalSizeClass == .compact {38 }39 else {40 }41 }42 override func didReceiveMemoryWarning() {43 super.didReceiveMemoryWarning()44 }45}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource {3 override func viewDidLoad() {4 super.viewDidLoad()5 }6 override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {7 print("viewWillTransition")8 self.collectionView.collectionViewLayout.invalidateLayout()9 }10 func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {11 }12 func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {13 let cell:CollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath) as! CollectionViewCell14 }15 func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {16 print("You selected cell #\(indexPath.item)!")17 }18}19extension ViewController: UICollectionViewDelegateFlowLayout {20 func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {21 return CGSize(width: width, height: height)22 }23 func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {24 }25 func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {26 }27 func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {28 }29}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UICollectionViewController {3 var cellSize: CGSize {4 guard let flowLayout = collectionView?.collectionViewLayout as? UICollectionViewFlowLayout else { return CGSize.zero }5 let width = (collectionView!.bounds.width - flowLayout.sectionInset.left - flowLayout.sectionInset.right - flowLayout.minimumInteritemSpacing) / 26 return CGSize(width: width, height: width)7 }8 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {9 super.traitCollectionDidChange(previousTraitCollection)10 collectionView?.collectionViewLayout.invalidateLayout()11 }12 override func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {13 }14}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UICollectionViewController {3 var cellSize: CGSize {4 guard let flowLayout = collectionView?.collectionViewLayout as? UICollectionViewFlowLayout else { return CGSize.zero }5 let width = (collectionView!.bounds.width - flowLayout.sectionInset.left - flowLayout.sectionInset.right - flowLayout.minimumInteritemSpacing) / 26 return CGSize(width: width, height: width)7 }8 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {9 super.traitCollectionDidChange(previousTraitCollection)10 collectionView?.collectionViewLayout.invalidateLayout()11 }12 override func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {13 }14}Kit15class ViewController: UIViewController {16 override func viewDidLoad() {17 super.viewDidLoad()18 }19 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {20 if self.traitCollection.horizontalSizeClass == .compact {21 }22 else {23 }24 }25 override func didReceiveMemoryWarning() {26 super.didReceiveMemoryWarning()27 }28}29import UIKit30class ViewController: UIViewController {31 override func viewDidLoad() {32 super.viewDidLoad()33 }34 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {35 if self.traitCollection.horizontalSizeClass == .compact {36 }37 else {38 }39 }40 override func didReceiveMemoryWarning() {41 super.didReceiveMemoryWarning()42 }43}44import UIKit45class ViewController: UIViewController {46 override func viewDidLoad() {47 super.viewDidLoad()48 }49 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {50 if self.traitCollection.horizontalSizeClass == .compact {51 }52 else {53 }54 }55 override func didReceiveMemoryWarning() {56 super.didReceiveMemoryWarning()57 }58}
traitCollectionDidChange
Using AI Code Generation
1import UIKit2class ViewController: UICollectionViewController {3 var cellSize: CGSize {4 guard let flowLayout = collectionView?.collectionViewLayout as? UICollectionViewFlowLayout else { return CGSize.zero }5 let width = (collectionView!.bounds.width - flowLayout.sectionInset.left - flowLayout.sectionInset.right - flowLayout.minimumInteritemSpacing) / 26 return CGSize(width: width, height: width)7 }8 override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {9 super.traitCollectionDidChange(previousTraitCollection)10 collectionView?.collectionViewLayout.invalidateLayout()11 }12 override func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {13 }14}
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