✨[Feat/fix]🐞 영상 버퍼링, 레이아웃 버그 수정 및 음악 미리듣기 기능 구현 (필수 과제 구현 완료)

Challenge/Challenge/Base.lproj/LaunchScreen.storyboard

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

Challenge/Challenge/Extensions/Extensions.swift

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+//
+//  UIImageView+Extension.swift
+//  Challenge
+//
+//  Created by 김주희 on 3/15/26.
+//
+
+import UIKit
+import Kingfisher
+
+
+// MARK: - loadImage
+extension UIImageView {
+
+    func loadImage(from urlString: String) {
+        guard let url = URL(string: urlString) else {
+            self.image = nil
+            return
+        }
+
+        self.kf.setImage(
+            with: url,
+            placeholder: nil,
+            options: [
+                .transition(.fade(0.2)), // 부드럽게 이미지 페이드 인
+                .cacheOriginalImage // 원본 이미지를 캐시에 저장
+            ]
+        )
+    }
+}
+
+
+// MARK: - Alert
+extension UIViewController {
+
+    func showErrorAlert(message: String) {
+        let alert = UIAlertController(
+            title: "에러",
+            message: message,
+            preferredStyle: .alert
+        )
+
+        let okAction = UIAlertAction(title: "확인", style: .default)
+        alert.addAction(okAction)
+
+        present(alert, animated: true)
+    }
+}

Challenge/Challenge/Managers/AudioManager.swift

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+//
+//  AudioManager.swift
+//  Challenge
+//
+//  Created by 김주희 on 3/18/26.
+//
+
+import AVFoundation
+
+final class AudioManager {
+
+    static let shared = AudioManager()
+
+    private init() {}
+
+    private var player: AVPlayer?
+
+    func play(url: URL) {
+        player?.pause() // 일단 재생되던 노래는 꺼야 안겹침
+
+        player = AVPlayer(url: url)
+        player?.play()
+    }
+
+    func play() {
+        player?.play()
+    }
+}

Challenge/Challenge/Managers/Protocols.swift

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+//
+//  Untitled.swift
+//  Challenge
+//
+//  Created by 김주희 on 3/18/26.
+//
+
+protocol PlayableUICell {
+    func updatePlayUI(isPlaying: Bool)
+}

Challenge/Challenge/Resources/Assets.xcassets/AccentColor.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge/Challenge/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge/Challenge/Resources/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge/Challenge/Resources/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+</dict>
+</plist>

Challenge/Challenge/Sources/Application/AppDelegate.swift

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+//
+//  AppDelegate.swift
+//  Challenge
+//
+//  Created by 김주희 on 3/11/26.
+//
+
+import UIKit
+
+@main
+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.
+    }
+
+
+}
+

Challenge/Challenge/Sources/Application/SceneDelegate.swift

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+//
+//  SceneDelegate.swift
+//  Challenge
+//
+//  Created by 김주희 on 3/11/26.
+//
+
+import UIKit
+import ReactorKit
+
+class SceneDelegate: UIResponder, UIWindowSceneDelegate {
+
+    var window: UIWindow?
+
+
+    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
+
+        guard let windowScene = (scene as? UIWindowScene) else { return }
+
+        // 의존성 생성
+        let repository = SearchRepository()
+        let fetchHomeContentsuseCase = FetchHomeContentUseCase(repository: repository)
+        let homereactor = HomeReactor(fetchHomeContentsUseCase: fetchHomeContentsuseCase)
+
+        let searchUseCase = SearchUseCase(repository: repository)
+        let searchReactor = SearchReactor(searchUseCase: searchUseCase)
+
+        let searchVC = SearchViewController()
+        searchVC.reactor = searchReactor
+
+        let searchController = UISearchController(searchResultsController: searchVC)
+        searchController.searchBar.placeholder = "M/V, music, podcast 검색"
+        searchController.obscuresBackgroundDuringPresentation = false
+        searchController.searchBar.autocorrectionType = .no // 자동완성 기능 off
+        searchController.searchBar.returnKeyType = .search
+
+
+        // 의존성 주입
+        let homeVC = HomeViewController(reactor: homereactor, searchController: searchController)
+
+        let navigationController = UINavigationController(rootViewController: homeVC)
+
+        let window = UIWindow(windowScene: windowScene)
+        window.rootViewController = navigationController
+        window.makeKeyAndVisible()
+        self.window = window
+    }
+
+    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 necessarily 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.
+    }
+
+
+}
+