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iOS app開発 習得日記 (4)

Last updated at Posted at 2020-04-07

(https://qiita.com/nori0620/items/66ebc623f63fc3f0ca20)

こちらのサイトをみて勉強中

サーバーサイドのAPIというのを初めて作った。
json webサーバーにphpファイル送れるだけで作れるとは。

本チャンのios app

import UIKit
import Firebase
import GoogleMobileAds

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    var myNavigationController: UINavigationController?
    var json_string:String?
    var selected_id: Int?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        FirebaseApp.configure()
        GADMobileAds.sharedInstance().start(completionHandler: nil)

        let first: ViewController = ViewController()
        myNavigationController = UINavigationController(rootViewController: first)
        let n_bar_rgba = UIColor(red: 240/255, green: 240/255, blue: 10/255, alpha: 1)
        UINavigationBar.appearance().barTintColor = n_bar_rgba
        self.window = UIWindow(frame: UIScreen.main.bounds)
        self.window?.rootViewController = myNavigationController
        self.window?.makeKeyAndVisible()

        return true
    }

    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

だが、わからないぞ。
let first: 行こうなにをやっているか不明
また、appdelegata.swiftが起動前起動後動きを書いて行くのはわかったが、
なぜここでfirebaseの設定などを行うのか??

今日はここまで

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