Commit 0f8c7310 by Angel FS

Initial commit

parents
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//
// AppDelegate.swift
// CoreDataDemo
//
// Created by MAC on 18/02/21.
// Copyright © 2021 Angelzz. All rights reserved.
//
import UIKit
import CoreData
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
return true
}
// MARK: UISceneSession Lifecycle
func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
// Called when a new scene session is being created.
// Use this method to select a configuration to create the new scene with.
return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
}
func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
// Called when the user discards a scene session.
// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
}
// MARK: - Core Data stack
lazy var persistentContainer: NSPersistentContainer = {
/*
The persistent container for the application. This implementation
creates and returns a container, having loaded the store for the
application to it. This property is optional since there are legitimate
error conditions that could cause the creation of the store to fail.
*/
let container = NSPersistentContainer(name: "CoreDataDemo")
container.loadPersistentStores(completionHandler: { (storeDescription, error) in
if let error = error as NSError? {
// Replace this implementation with code to handle the error appropriately.
// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
/*
Typical reasons for an error here include:
* The parent directory does not exist, cannot be created, or disallows writing.
* The persistent store is not accessible, due to permissions or data protection when the device is locked.
* The device is out of space.
* The store could not be migrated to the current model version.
Check the error message to determine what the actual problem was.
*/
fatalError("Unresolved error \(error), \(error.userInfo)")
}
})
return container
}()
// MARK: - Core Data Saving support
func saveContext () {
let context = persistentContainer.viewContext
if context.hasChanges {
do {
try context.save()
} catch {
// Replace this implementation with code to handle the error appropriately.
// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
let nserror = error as NSError
fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
}
}
}
}
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<scenes>
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<dependencies>
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<capability name="Safe area layout guides" minToolsVersion="9.0"/>
<capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
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<scenes>
<!--View Controller-->
<scene sceneID="tne-QT-ifu">
<objects>
<viewController id="BYZ-38-t0r" customClass="ViewController" customModule="CoreDataDemo" customModuleProvider="target" sceneMemberID="viewController">
<view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
<rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<subviews>
<textField opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="qBg-et-FP6">
<rect key="frame" x="119.5" y="253" width="175" height="34"/>
<fontDescription key="fontDescription" type="system" pointSize="14"/>
<textInputTraits key="textInputTraits"/>
</textField>
<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="rSt-3J-uEf">
<rect key="frame" x="134" y="357" width="146" height="30"/>
<constraints>
<constraint firstAttribute="height" constant="30" id="Pn4-2l-dBc"/>
<constraint firstAttribute="width" constant="146" id="Vt3-qJ-3EX"/>
</constraints>
<state key="normal" title="Login"/>
<connections>
<action selector="loginClicked:" destination="BYZ-38-t0r" eventType="touchUpInside" id="TWx-G1-weg"/>
</connections>
</button>
<textField opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="9yd-kl-KJT">
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<connections>
<outlet property="ageText" destination="qBg-et-FP6" id="NZi-JC-pFH"/>
<outlet property="nameText" destination="9yd-kl-KJT" id="i7m-Er-0yl"/>
</connections>
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<dict>
<key>_XCCurrentVersionName</key>
<string>CoreDataDemo.xcdatamodel</string>
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="14903" systemVersion="18G7016" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
<entity name="Student" representedClassName="Student" syncable="YES" codeGenerationType="class">
<attribute name="age" optional="YES" attributeType="String"/>
<attribute name="name" optional="YES" attributeType="String"/>
</entity>
<elements>
<element name="Student" positionX="-54" positionY="-9" width="128" height="73"/>
</elements>
</model>
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</plist>
//
// SceneDelegate.swift
// CoreDataDemo
//
// Created by MAC on 18/02/21.
// Copyright © 2021 Angelzz. All rights reserved.
//
import UIKit
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
// Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
// If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
// This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
guard let _ = (scene as? UIWindowScene) else { return }
}
func sceneDidDisconnect(_ scene: UIScene) {
// Called as the scene is being released by the system.
// This occurs shortly after the scene enters the background, or when its session is discarded.
// Release any resources associated with this scene that can be re-created the next time the scene connects.
// The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead).
}
func sceneDidBecomeActive(_ scene: UIScene) {
// Called when the scene has moved from an inactive state to an active state.
// Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
}
func sceneWillResignActive(_ scene: UIScene) {
// Called when the scene will move from an active state to an inactive state.
// This may occur due to temporary interruptions (ex. an incoming phone call).
}
func sceneWillEnterForeground(_ scene: UIScene) {
// Called as the scene transitions from the background to the foreground.
// Use this method to undo the changes made on entering the background.
}
func sceneDidEnterBackground(_ scene: UIScene) {
// Called as the scene transitions from the foreground to the background.
// Use this method to save data, release shared resources, and store enough scene-specific state information
// to restore the scene back to its current state.
// Save changes in the application's managed object context when the application transitions to the background.
(UIApplication.shared.delegate as? AppDelegate)?.saveContext()
}
}
//
// ViewController.swift
// CoreDataDemo
//
// Created by MAC on 18/02/21.
// Copyright © 2021 Angelzz. All rights reserved.
//
import UIKit
import CoreData
class ViewController: UIViewController {
@IBOutlet weak var nameText: UITextField!
@IBOutlet weak var ageText: UITextField!
let appDelegate = UIApplication.shared.delegate as! AppDelegate
override func viewDidLoad() {
super.viewDidLoad()
// self.fetchCorrData()
}
@IBAction func loginClicked(_ sender: UIButton) {
let context = appDelegate.persistentContainer.viewContext
let entity = NSEntityDescription.entity(forEntityName: "Student", in: context)
let newUser = NSManagedObject(entity: entity!, insertInto: context)
newUser.setValue(self.nameText.text, forKey: "age")
newUser.setValue(self.ageText.text, forKey: "name")
do {
try context.save()
} catch {
print("Failed saving")
}
self.fetchCorrData()
}
func fetchCorrData()
{
let context = appDelegate.persistentContainer.viewContext
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Student")
//request.predicate = NSPredicate(format: "age = %@", "12")
request.returnsObjectsAsFaults = false
do {
let result = try context.fetch(request)
for data in result as! [NSManagedObject] {
print("age--->",data.value(forKey: "age") as! String)
print("name--->",data.value(forKey: "name") as! String)
}
} catch {
print("Failed")
}
self.removeData()
}
func removeData()
{
let context = appDelegate.persistentContainer.viewContext
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Student")
//request.predicate = NSPredicate(format: "age = %@", "12")
request.returnsObjectsAsFaults = false
do {
let result = try context.fetch(request)
context.delete(result[1] as! NSManagedObject)
print(result[1])
for data in result as! [NSManagedObject] {
print("age--->",data.value(forKey: "age") as! String)
print("name--->",data.value(forKey: "name") as! String)
}
} catch {
print("Failed")
}
}
}
//
// CoreDataDemoTests.swift
// CoreDataDemoTests
//
// Created by MAC on 18/02/21.
// Copyright © 2021 Angelzz. All rights reserved.
//
import XCTest
@testable import CoreDataDemo
class CoreDataDemoTests: XCTestCase {
override func setUp() {
// Put setup code here. This method is called before the invocation of each test method in the class.
}
override func tearDown() {
// Put teardown code here. This method is called after the invocation of each test method in the class.
}
func testExample() {
// This is an example of a functional test case.
// Use XCTAssert and related functions to verify your tests produce the correct results.
}
func testPerformanceExample() {
// This is an example of a performance test case.
self.measure {
// Put the code you want to measure the time of here.
}
}
}
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<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
</dict>
</plist>
//
// CoreDataDemoUITests.swift
// CoreDataDemoUITests
//
// Created by MAC on 18/02/21.
// Copyright © 2021 Angelzz. All rights reserved.
//
import XCTest
class CoreDataDemoUITests: XCTestCase {
override func setUp() {
// Put setup code here. This method is called before the invocation of each test method in the class.
// In UI tests it is usually best to stop immediately when a failure occurs.
continueAfterFailure = false
// In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
}
override func tearDown() {
// Put teardown code here. This method is called after the invocation of each test method in the class.
}
func testExample() {
// UI tests must launch the application that they test.
let app = XCUIApplication()
app.launch()
// Use recording to get started writing UI tests.
// Use XCTAssert and related functions to verify your tests produce the correct results.
}
func testLaunchPerformance() {
if #available(macOS 10.15, iOS 13.0, tvOS 13.0, *) {
// This measures how long it takes to launch your application.
measure(metrics: [XCTOSSignpostMetric.applicationLaunch]) {
XCUIApplication().launch()
}
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
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<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
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