MULTIPLATFORM EFFORTS PRINCIPLES Isolate your business logic from: - Presentation - Operating system ▸ Also known as layers, clean code, the onion model...
WHAT ARE WE GOING TO ACHIEVE IN THIS TALK? ▸ Intro to iOS development ▸ Xcode ▸ Swift ▸ UI design with Storyboards ▸ ... from the point of view of an Android dev
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIVIEWCONTROLLER.SWIFT import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
UIKIT? ▸ Cocoa Touch is a framework for developing iOS applications. ▸ UIKit for UI components (buttons, labels) ▸ Foundation (NSString, NSObject) is the base framework for Apple products
WHERE IS MY Adapter AND MY ViewHolder? ▸ UICollectionView is like a RecyclerView, but for grids protocol is the equivalent of an interface protocol extensions as Kotlin extensions
WHERE IS MY Adapter AND MY ViewHolder? ▸ UICollectionView is like a RecyclerView, but for grids ▸ UICollectionViewDataSource is the protocol that owns the data protocol is the equivalent of an interface protocol extensions as Kotlin extensions
WHERE IS MY Adapter AND MY ViewHolder? ▸ UICollectionView is like a RecyclerView, but for grids ▸ UICollectionViewDataSource is the protocol that owns the data ▸ UICollectionViewDelegate is the protocol that owns the interaction protocol is the equivalent of an interface protocol extensions as Kotlin extensions
WHERE IS MY Adapter AND MY ViewHolder? ▸ UICollectionView is like a RecyclerView, but for grids ▸ UICollectionViewDataSource is the protocol that owns the data ▸ UICollectionViewDelegate is the protocol that owns the interaction ▸ UICollectionViewCell is the UI representation of a single item protocol is the equivalent of an interface protocol extensions as Kotlin extensions
EXAMPLE OF DATASTORE final class DataStore { static func songs() -> [Song] { var songs = [Song]() songs.append(Song(orderNumber: 1, name: "Another day of sun", artist: "La La Land Cast", isFavorite: true, lyrics: """ I think about that day I left him at a Greyhound station West of Santa Fé """)) return songs } }
EXAMPLE OF DATASTORE final class DataStore { static func songs() -> [Song] { var songs = [Song]() songs.append(Song(orderNumber: 1, name: "Another day of sun", artist: "La La Land Cast", isFavorite: true, lyrics: """ I think about that day I left him at a Greyhound station West of Santa Fé """)) return songs } }
EXAMPLE OF DATASTORE final class DataStore { static func songs() -> [Song] { var songs = [Song]() songs.append(Song(orderNumber: 1, name: "Another day of sun", artist: "La La Land Cast", isFavorite: true, lyrics: """ I think about that day I left him at a Greyhound station West of Santa Fé """)) return songs } }
EXAMPLE OF DATASTORE final class DataStore { static func songs() -> [Song] { var songs = [Song]() songs.append(Song(orderNumber: 1, name: "Another day of sun", artist: "La La Land Cast", isFavorite: true, lyrics: """ I think about that day I left him at a Greyhound station West of Santa Fé """)) return songs } }
NETWORKING ▸ URLRequest as the simplest method. Built in. ▸ URLSession seems to be the current preferred option. Built in. ▸ Alamofire is an easy to use, but heavy, framework
NETWORKING ▸ URLRequest as the simplest method. Built in. ▸ URLSession seems to be the current preferred option. Built in. ▸ Alamofire is an easy to use, but heavy, framework ▸ ... but hey, nothing like Retrofit
NETWORKING ▸ URLRequest as the simplest method. Built in. ▸ URLSession seems to be the current preferred option. Built in. ▸ Alamofire is an easy to use, but heavy, framework ▸ ... but hey, nothing like Retrofit ▸ ... and let's not even talk about Moshi or Gson...
CALLING A REST API let url = URL(string: "https://la.la.land/songs/top?api_key=DEMO_KEY") let task = URLSession.shared.dataTask(with: url!) { (data, response, error) in if let data = data { do { let jsonSerialized = try JSONSerialization.jsonObject(with: data, options: []) as? [String : Any] if let json = jsonSerialized, let name = json["name"], let artist = json["artist"] { print(url) print(explanation) } } catch let error as NSError { print(error.localizedDescription) } } else if let error = error { print(error.localizedDescription) } } task.resume()
CALLING A REST API let url = URL(string: "https://la.la.land/songs/top?api_key=DEMO_KEY") let task = URLSession.shared.dataTask(with: url!) { (data, response, error) in if let data = data { do { let jsonSerialized = try JSONSerialization.jsonObject(with: data, options: []) as? [String : Any] if let json = jsonSerialized, let name = json["name"], let artist = json["artist"] { print(url) print(explanation) } } catch let error as NSError { print(error.localizedDescription) } } else if let error = error { print(error.localizedDescription) } } task.resume()
CALLING A REST API let url = URL(string: "https://la.la.land/songs/top?api_key=DEMO_KEY") let task = URLSession.shared.dataTask(with: url!) { (data, response, error) in if let data = data { do { let jsonSerialized = try JSONSerialization.jsonObject(with: data, options: []) as? [String : Any] if let json = jsonSerialized, let name = json["name"], let artist = json["artist"] { print(url) print(explanation) } } catch let error as NSError { print(error.localizedDescription) } } else if let error = error { print(error.localizedDescription) } } task.resume()
CALLING A REST API let url = URL(string: "https://la.la.land/songs/top?api_key=DEMO_KEY") let task = URLSession.shared.dataTask(with: url!) { (data, response, error) in if let data = data { do { let jsonSerialized = try JSONSerialization.jsonObject(with: data, options: []) as? [String : Any] if let json = jsonSerialized, let name = json["name"], let artist = json["artist"] { print(url) print(explanation) } } catch let error as NSError { print(error.localizedDescription) } } else if let error = error { print(error.localizedDescription) } } task.resume()
CORE DATA ▸ Manage object graphs and object lifecycle, including persistence. ▸ Use Core Data to manage the model layer objects in your application. ▸ ... so it's like a model and persistence layer, all in one
jorgecoca
hirobe1999
kinakomoti321
t_keshi
meihei3
bastnic
maimux2x
yutootsuka
mpyw
iwaken71
gpsnmeajp
zoetrope
a4lg
bkeepers
panda_program
morganepeng
lara
akmur
kneath
eileencodes
dotmariusz
ammeep
rocio
zenorocha
phodgson