Music_Player3/MusicPlayer/AppDelegate.swift

//
//  AppDelegate.swift
//  MusicPlayer
//
//  Created by aaa on 2024/3/25.
//

import UIKit
import CoreData
import AVFoundation
import Alamofire
import Tiercel
import FirebaseCore
@_exported import IQKeyboardManagerSwift
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?
    // 用来保存由系统提供的完成处理器
    var backgroundSessionCompletionHandler: (() -> Void)?
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        //请求通知权限
        UNUserNotificationCenter.current()
            .requestAuthorization(options: [.alert, .sound, .badge]) {
            (accepted, error) in
            if !accepted {
                print("Users are not allowed to be notified of messages.")
            }
        }
        //生成一个FireBase实例
        FirebaseApp.configure()
        //启动前销毁所有的下载任务
        MP_DownloadManager.shared.cancelAllTasksIfNeeded()
        setAudioSupport()
        MP_NetWorkManager.shared.requestStatusToYouTube()
        IQKeyboardManager.shared.enable = true
        IQKeyboardManager.shared.shouldResignOnTouchOutside = true
        window = UIWindow(frame: UIScreen.main.bounds)
        window?.backgroundColor = .init(hex: "#161616")
        switch_lunch()
        //执行用户启动事件日志
        MP_AnalyticsManager.shared.user_launchAction()
        return true
    }
    func application(_ application: UIApplication, handleEventsForBackgroundURLSession identifier: String, completionHandler: @escaping () -> Void) {
        if identifier == "com.yourApp.backgroundDownload" {
            MP_DownloadManager.shared.session = SessionManager("com.yourApp.backgroundDownload", configuration: .init())
            MP_DownloadManager.shared.session.completionHandler = completionHandler
        }
    }
    
    //设置播放器会话状态
    private func setAudioSupport(){
        //设置会话
        let session = AVAudioSession.sharedInstance()
        do {
            //允许后台活跃,播放以及记录
            try session.setCategory(.playAndRecord, mode: .default)
            //激活会话
            try session.setActive(true)
            try session.overrideOutputAudioPort(.speaker)
        } catch {
            print("Failed to set type:\(error.localizedDescription)")
        }
        //响应后台控制
        UIApplication.shared.beginReceivingRemoteControlEvents()
    }
    
    //MARK: - 页面跳转
    ///跳转启动页
    func switch_lunch() {
        let lunchVC = MP_LunchViewController()
        //动画设置
        let transtition = CATransition()
        transtition.duration = 0.8
        transtition.timingFunction = .init(name: .easeOut)//外层模糊化
        window?.layer.add(transtition, forKey: "lunch.easeOut")
        window?.rootViewController = lunchVC
        window?.makeKeyAndVisible()
    }
    ///跳转A面
    func switch_aSide() {
        let tabBarVC = MPSideA_TabBarController()
        //动画设置
        let transtition = CATransition()
        transtition.duration = 0.8
        transtition.timingFunction = .init(name: .easeOut)//外层模糊化
        window?.layer.add(transtition, forKey: "aSide.easeOut")
        window?.rootViewController = tabBarVC
        window?.makeKeyAndVisible()
    }
    //跳转b面
    func switch_positive() {
        let tabBarVC = MPPositive_TabBarController()
        //动画设置
        let transtition = CATransition()
        transtition.duration = 0.8
        transtition.timingFunction = .init(name: .easeOut)//外层模糊化
        window?.layer.add(transtition, forKey: "positive.easeOut")
        window?.rootViewController = tabBarVC
        window?.makeKeyAndVisible()
    }
    // 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: "MusicPlayer")
        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)")
            }
        }
    }
}
///访问appDelegate
let accessAppdelegate = ( UIApplication.shared.delegate as! AppDelegate)