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// |
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// AppDelegate.swift |
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// USB Meter |
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// |
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// Created by Bogdan Timofte on 01/03/2020. |
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// Copyright © 2020 Bogdan Timofte. All rights reserved. |
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// |
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import UIKit |
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import CoreData |
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//let btSerial = BluetoothSerial(delegate: BSD()) |
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let appData = AppData() |
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enum Constants {
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static let chartUnderscan: CGFloat = 0.5 |
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static let chartOverscan: CGFloat = 1 - chartUnderscan |
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} |
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// MARK: Clock |
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// MARK: Debug |
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public func track(_ message: String = "", file: String = #file, function: String = #function, line: Int = #line ) {
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let date = Date() |
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let calendar = Calendar.current |
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let hour = calendar.component(.hour, from: date) |
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let minutes = calendar.component(.minute, from: date) |
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let seconds = calendar.component(.second, from: date) |
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print("\(hour):\(minutes):\(seconds) - \(file):\(line) - \(function) \(message)")
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} |
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@UIApplicationMain |
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class AppDelegate: UIResponder, UIApplicationDelegate {
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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
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// Override point for customization after application launch. |
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return true |
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} |
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// MARK: UISceneSession Lifecycle |
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func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
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// Called when a new scene session is being created. |
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// Use this method to select a configuration to create the new scene with. |
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return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) |
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} |
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func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
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// Called when the user discards a scene session. |
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// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. |
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// Use this method to release any resources that were specific to the discarded scenes, as they will not return. |
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} |
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// MARK: - Core Data stack |
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lazy var persistentContainer: NSPersistentCloudKitContainer = {
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/* |
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The persistent container for the application. This implementation |
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creates and returns a container, having loaded the store for the |
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application to it. This property is optional since there are legitimate |
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error conditions that could cause the creation of the store to fail. |
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*/ |
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let container = NSPersistentCloudKitContainer(name: "CKModel") |
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container.loadPersistentStores(completionHandler: { (storeDescription, error) in
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if let error = error as NSError? {
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// Replace this implementation with code to handle the error appropriately. |
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// 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. |
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/* |
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Typical reasons for an error here include: |
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* The parent directory does not exist, cannot be created, or disallows writing. |
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* The persistent store is not accessible, due to permissions or data protection when the device is locked. |
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* The device is out of space. |
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* The store could not be migrated to the current model version. |
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Check the error message to determine what the actual problem was. |
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*/ |
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fatalError("Unresolved error \(error), \(error.userInfo)")
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} |
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}) |
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return container |
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}() |
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// MARK: - Core Data Saving support |
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func saveContext () {
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let context = persistentContainer.viewContext |
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if context.hasChanges {
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do {
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try context.save() |
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} catch {
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// Replace this implementation with code to handle the error appropriately. |
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// 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. |
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let nserror = error as NSError |
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fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
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} |
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} |
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} |
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} |
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