iOS: PiP画中画、AirPlay投屏、录制保存弹窗、播放记录持久化恢复

Package.swift

@@ -30,7 +30,8 @@ let package = Package(
         .executableTarget(
             name: "MiniPlayeriOS",
             dependencies: ["MiniPlayerCore"],
-            path: "SourcesiOS"
+            path: "SourcesiOS",
+            exclude: ["Info.plist"]
         )
     ]
 )

Sources/AirPlayButton.swift

@@ -0,0 +1,25 @@
+import SwiftUI
+import AVKit
+
+#if os(iOS)
+/// AirPlay 投屏按钮 — 封装 AVRoutePickerView
+/// 点击后弹出系统 AirPlay 设备选择面板
+struct AirPlayButton: UIViewRepresentable {
+    
+    /// 按钮颜色（默认白色）
+    var tintColor: UIColor = .white
+    
+    func makeUIView(context: Context) -> AVRoutePickerView {
+        let picker = AVRoutePickerView()
+        picker.tintColor = tintColor
+        picker.activeTintColor = UIColor.systemBlue
+        // 使按钮在深色背景下可见
+        picker.backgroundColor = .clear
+        return picker
+    }
+    
+    func updateUIView(_ uiView: AVRoutePickerView, context: Context) {
+        uiView.tintColor = tintColor
+    }
+}
+#endif

Sources/HLSRecorder.swift

@@ -3,6 +3,7 @@ import Foundation
 import AVFoundation
 import UIKit
 import Combine
+import Photos
 
 /// iOS 录制器 — 持续拉取 HLS 片段 / 下载普通文件，直到用户手动停止
 @MainActor
@@ -266,30 +267,83 @@ final class HLSRecorder: ObservableObject {
     // MARK: - 导出/分享
     
     private func showExportSheet(url: URL) {
-        // 保存到相册（如果是视频）
+        NSLog("[MiniPlayer] showExportSheet: \(url.path)")
+        
+        // 1. 保存到相册（使用 PHPhotoLibrary，有回调通知结果）
         if url.pathExtension.lowercased() == "mp4" || url.pathExtension.lowercased() == "mov" {
-            UISaveVideoAtPathToSavedPhotosAlbum(url.path, nil, nil, nil)
+            saveToPhotoLibrary(url: url)
         }
         
-        // 同时弹出系统分享面板
-        guard let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene,
-              let rootVC = windowScene.windows.first?.rootViewController else { return }
+        // 2. 延迟弹出系统分享面板（等相册保存启动后再弹）
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
+            self?.presentActivitySheet(url: url)
+        }
+    }
+    
+    private func saveToPhotoLibrary(url: URL) {
+        let status = PHPhotoLibrary.authorizationStatus(for: .addOnly)
+        
+        if status == .authorized || status == .limited {
+            performSave(url: url)
+        } else if status == .notDetermined {
+            PHPhotoLibrary.requestAuthorization(for: .addOnly) { [weak self] newStatus in
+                DispatchQueue.main.async {
+                    if newStatus == .authorized || newStatus == .limited {
+                        self?.performSave(url: url)
+                    } else {
+                        self?.onError?("Photo library access denied")
+                    }
+                }
+            }
+        } else {
+            onError?("Photo library access denied. Please enable in Settings.")
+        }
+    }
+    
+    private func performSave(url: URL) {
+        PHPhotoLibrary.shared().performChanges {
+            PHAssetCreationRequest.forAsset().addResource(with: .video, fileURL: url, options: nil)
+        } completionHandler: { [weak self] success, error in
+            DispatchQueue.main.async {
+                if success {
+                    self?.onRecordingSaved?(url)
+                    NSLog("[MiniPlayer] Video saved to Photos")
+                } else {
+                    self?.onError?("Save to Photos failed: \(error?.localizedDescription ?? "unknown")")
+                }
+            }
+        }
+    }
+    
+    private func presentActivitySheet(url: URL) {
+        guard let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene else {
+            NSLog("[MiniPlayer] No window scene found")
+            return
+        }
+        
+        // 找最顶层可见的 VC
+        var topVC = windowScene.windows.first?.rootViewController
+        while let presented = topVC?.presentedViewController {
+            topVC = presented
+        }
+        
+        guard let vc = topVC else {
+            NSLog("[MiniPlayer] No root view controller found")
+            return
+        }
         
         let activityVC = UIActivityViewController(activityItems: [url], applicationActivities: nil)
         
         // iPad 适配
         if let popover = activityVC.popoverPresentationController {
-            popover.sourceView = rootVC.view
-            popover.sourceRect = CGRect(x: rootVC.view.bounds.midX, y: rootVC.view.bounds.midY, width: 0, height: 0)
+            popover.sourceView = vc.view
+            popover.sourceRect = CGRect(x: vc.view.bounds.midX, y: vc.view.bounds.midY, width: 0, height: 0)
             popover.permittedArrowDirections = []
         }
         
-        // 找到最顶层的 VC
-        var topVC = rootVC
-        while let presented = topVC.presentedViewController {
-            topVC = presented
+        vc.present(activityVC, animated: true) {
+            NSLog("[MiniPlayer] Share sheet presented")
         }
-        topVC.present(activityVC, animated: true)
     }
     
     // MARK: - Helpers

Sources/MiniPlayerApp.swift

@@ -70,6 +70,8 @@ public struct MiniPlayerApp: App {
     #endif
     @StateObject private var bridge = PlayerBridge()
     @StateObject private var engine = BricksEngine()
+    @Environment(\.scenePhase) private var scenePhase
+    @State private var hasRestored = false
     
     public init() {}
     
@@ -83,6 +85,29 @@ public struct MiniPlayerApp: App {
                     bridge.setup()
                     setupBridgeEvents()
                     loadI18n()
+                    // iOS: 首次启动时恢复上次播放状态
+                    #if os(iOS)
+                    if !hasRestored {
+                        hasRestored = true
+                        // 延迟恢复，等 setup 和 KVO 就绪
+                        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
+                            bridge.restoreSessionState()
+                        }
+                    }
+                    #endif
+                }
+                .onChange(of: scenePhase) { _, newPhase in
+                    #if os(iOS)
+                    switch newPhase {
+                    case .background, .inactive:
+                        // App 进后台/挂起：保存当前队列和播放位置
+                        bridge.saveSessionState()
+                    case .active:
+                        break
+                    @unknown default:
+                        break
+                    }
+                    #endif
                 }
         }
         #if os(macOS)
@@ -215,6 +240,12 @@ public struct MiniPlayerApp: App {
 #if os(macOS)
 struct PlayerLayerView: NSViewRepresentable {
     let player: AVPlayer
+    let onPlayerLayerReady: ((AVPlayerLayer) -> Void)?
+    
+    init(player: AVPlayer, onPlayerLayerReady: ((AVPlayerLayer) -> Void)? = nil) {
+        self.player = player
+        self.onPlayerLayerReady = onPlayerLayerReady
+    }
     
     func makeNSView(context: Context) -> NSView {
         let view = PlayerLayerHostView()
@@ -253,10 +284,21 @@ class PlayerLayerHostView: NSView {
 #if os(iOS)
 struct PlayerLayerView: UIViewRepresentable {
     let player: AVPlayer
+    let onPlayerLayerReady: ((AVPlayerLayer) -> Void)?
+    
+    init(player: AVPlayer, onPlayerLayerReady: ((AVPlayerLayer) -> Void)? = nil) {
+        self.player = player
+        self.onPlayerLayerReady = onPlayerLayerReady
+    }
+    
     func makeUIView(context: Context) -> PlayerLayerHostViewiOS {
         let view = PlayerLayerHostViewiOS()
         view.playerLayer.player = player
         view.playerLayer.videoGravity = .resizeAspect
+        // 通知外部 playerLayer 已就绪（用于 PiP 初始化）
+        DispatchQueue.main.async {
+            onPlayerLayerReady?(view.playerLayer)
+        }
         return view
     }
     func updateUIView(_ uiView: PlayerLayerHostViewiOS, context: Context) {
@@ -333,7 +375,12 @@ struct PlayerContentView: View {
         ZStack(alignment: .topLeading) {
             Color.black.ignoresSafeArea()
             // 直接用 AVPlayerLayer 渲染视频（彻底绕过 AVPlayerView 内置控制栏）
-            PlayerLayerView(player: bridge.player)
+            PlayerLayerView(player: bridge.player) { playerLayer in
+                #if os(iOS)
+                // PlayerLayer 就绪后初始化 PiP 控制器
+                bridge.pipController.setup(with: playerLayer)
+                #endif
+            }
                 .frame(maxWidth: .infinity, maxHeight: .infinity)
                 .onTapGesture(count: 2) {
                     bridge.toggleFullscreen()
@@ -586,6 +633,20 @@ struct ControlToolbar: View {
                 // 全屏
                 TB(icon: "arrow.up.left.and.arrow.down.right") { bridge.toggleFullscreen(); onTouch() }
                 
+                #if os(iOS)
+                // 画中画（小屏播放）
+                if bridge.pipController.isPiPSupported {
+                    TB(icon: bridge.pipController.isPiPActive ? "pip.exit" : "pip.enter") {
+                        bridge.pipController.togglePiP()
+                        onTouch()
+                    }
+                }
+                
+                // 投屏（AirPlay）
+                AirPlayButton()
+                    .frame(width: 28, height: 28)
+                #endif
+                
                 // 播放列表
                 TB(icon: "list.bullet") { bridge.togglePlaylistWindow(); onTouch() }
                 

Sources/PiPController.swift

@@ -0,0 +1,94 @@
+import Foundation
+import AVKit
+import Combine
+
+#if os(iOS)
+/// 画中画（Picture-in-Picture）控制器
+/// 封装 AVPictureInPictureController，管理 PiP 生命周期
+@MainActor
+final class PiPController: NSObject, ObservableObject {
+    
+    @Published var isPiPActive = false
+    @Published var isPiPSupported = false
+    
+    private var pipController: AVPictureInPictureController?
+    private weak var playerLayer: AVPlayerLayer?
+    
+    /// 用 AVPlayerLayer 初始化 PiP 控制器
+    func setup(with playerLayer: AVPlayerLayer) {
+        self.playerLayer = playerLayer
+        
+        guard AVPictureInPictureController.isPictureInPictureSupported() else {
+            NSLog("[MiniPlayer] PiP not supported on this device")
+            isPiPSupported = false
+            return
+        }
+        
+        isPiPSupported = true
+        
+        let pip = AVPictureInPictureController(playerLayer: playerLayer)
+        pip?.delegate = self
+        self.pipController = pip
+        
+        NSLog("[MiniPlayer] PiP controller initialized")
+    }
+    
+    /// 切换画中画状态
+    func togglePiP() {
+        guard let pip = pipController else {
+            NSLog("[MiniPlayer] PiP controller not initialized")
+            return
+        }
+        
+        if pip.isPictureInPictureActive {
+            pip.stopPictureInPicture()
+        } else if pip.isPictureInPicturePossible {
+            pip.startPictureInPicture()
+        } else {
+            NSLog("[MiniPlayer] PiP not possible right now (player may not be ready)")
+        }
+    }
+    
+    /// 当前是否可以启动 PiP
+    var canStartPiP: Bool {
+        pipController?.isPictureInPicturePossible ?? false
+    }
+    
+    deinit {
+        pipController?.delegate = nil
+    }
+}
+
+// MARK: - AVPictureInPictureControllerDelegate
+extension PiPController: AVPictureInPictureControllerDelegate {
+    
+    nonisolated func pictureInPictureControllerWillStartPictureInPicture(_ pictureInPictureController: AVPictureInPictureController) {
+        NSLog("[MiniPlayer] PiP will start")
+        Task { @MainActor in self.isPiPActive = true }
+    }
+    
+    nonisolated func pictureInPictureControllerDidStartPictureInPicture(_ pictureInPictureController: AVPictureInPictureController) {
+        NSLog("[MiniPlayer] PiP did start")
+    }
+    
+    nonisolated func pictureInPictureControllerWillStopPictureInPicture(_ pictureInPictureController: AVPictureInPictureController) {
+        NSLog("[MiniPlayer] PiP will stop")
+    }
+    
+    nonisolated func pictureInPictureControllerDidStopPictureInPicture(_ pictureInPictureController: AVPictureInPictureController) {
+        NSLog("[MiniPlayer] PiP did stop")
+        Task { @MainActor in self.isPiPActive = false }
+    }
+    
+    nonisolated func pictureInPictureController(_ pictureInPictureController: AVPictureInPictureController, failedToStartPictureInPictureWithError error: Error) {
+        NSLog("[MiniPlayer] PiP failed to start: \(error.localizedDescription)")
+    }
+    
+    nonisolated func pictureInPictureController(_ pictureInPictureController: AVPictureInPictureController, restoreUserInterfaceForPictureInPictureStopWithCompletionHandler completionHandler: @escaping (Bool) -> Void) {
+        // 用户点击 PiP 窗口的恢复按钮时调用
+        // 返回 true 表示我们已处理恢复（回到 app 内播放）
+        NSLog("[MiniPlayer] PiP restore requested")
+        completionHandler(true)
+    }
+}
+#endif

Sources/PlayerBridge.swift

@@ -3,6 +3,8 @@ import AVFoundation
 import AVKit
 #if os(macOS)
 import AppKit
+#elseif os(iOS)
+import UIKit
 #endif
 
 /// 播放队列项
@@ -119,6 +121,7 @@ final class PlayerBridge: ObservableObject {
     
     #if os(iOS)
     let hlsRecorder = HLSRecorder()
+    let pipController = PiPController()
     #endif
     
     // MARK: - 初始化
@@ -126,10 +129,16 @@ final class PlayerBridge: ObservableObject {
         #if os(macOS)
         // 设置为正常 GUI 应用，显示在 Dock 中
         NSApp.setActivationPolicy(.regular)
+        #elseif os(iOS)
+        // iOS: 配置音频会话（支持后台播放 + PiP）
+        configureAudioSession()
         #endif
         
         player.volume = volume
         
+        // 启用 AirPlay（iOS 和 macOS 通用）
+        player.allowsExternalPlayback = true
+        
         setupTimeObserver()
         setupEndObserver()
         
@@ -152,6 +161,20 @@ final class PlayerBridge: ObservableObject {
         #endif
     }
     
+    #if os(iOS)
+    /// 配置 AVAudioSession，支持后台音频和 PiP
+    private func configureAudioSession() {
+        do {
+            let session = AVAudioSession.sharedInstance()
+            try session.setCategory(.playback, mode: .moviePlayback)
+            try session.setActive(true)
+            NSLog("[MiniPlayer] AVAudioSession configured: playback + moviePlayback")
+        } catch {
+            NSLog("[MiniPlayer] AVAudioSession setup failed: \(error.localizedDescription)")
+        }
+    }
+    #endif
+    
     // MARK: - 录制
     func toggleRecording() {
         #if os(macOS)
@@ -754,13 +777,104 @@ final class PlayerBridge: ObservableObject {
     
     // MARK: - 播放状态（已改为在 updateTimeDisplay 中检查 player.rate）
     
+    // MARK: - 队列持久化（跨启动恢复）
+    
+    private static let queueKey = "MiniPlayer.savedQueue"
+    private static let indexKey = "MiniPlayer.savedIndex"
+    private static let positionKey = "MiniPlayer.savedPosition"
+    private static let repeatModeKey = "MiniPlayer.savedRepeatMode"
+    
+    /// 保存当前队列和播放位置到 UserDefaults（app 进后台/退出时调用）
+    func saveSessionState() {
+        guard !queue.isEmpty, currentIndex >= 0 else { return }
+        
+        let items = queue.map { item -> [String: String] in
+            [
+                "url": item.url.absoluteString,
+                "name": item.name,
+                "type": item.mediaType,
+                "libraryID": item.libraryID ?? ""
+            ]
+        }
+        
+        let position = player.currentTime().seconds
+        
+        UserDefaults.standard.set(items, forKey: Self.queueKey)
+        UserDefaults.standard.set(currentIndex, forKey: Self.indexKey)
+        UserDefaults.standard.set(position.isFinite ? position : 0, forKey: Self.positionKey)
+        UserDefaults.standard.set(repeatMode.rawValue, forKey: Self.repeatModeKey)
+        UserDefaults.standard.synchronize()
+        
+        // 同时保存媒体库位置
+        library.saveSync()
+        
+        NSLog("[MiniPlayer] Session saved: \(queue.count) items, index=\(currentIndex), position=\(position)")
+    }
+    
+    /// 从 UserDefaults 恢复队列和播放位置（app 启动时调用）
+    func restoreSessionState() {
+        guard let items = UserDefaults.standard.array(forKey: Self.queueKey) as? [[String: String]],
+              !items.isEmpty else {
+            NSLog("[MiniPlayer] No saved session to restore")
+            return
+        }
+        
+        let savedIndex = UserDefaults.standard.integer(forKey: Self.indexKey)
+        let savedPosition = UserDefaults.standard.double(forKey: Self.positionKey)
+        
+        if let modeStr = UserDefaults.standard.string(forKey: Self.repeatModeKey),
+           let mode = RepeatMode(rawValue: modeStr) {
+            repeatMode = mode
+        }
+        
+        // 重建队列
+        var restoredQueue: [MediaItem] = []
+        for dict in items {
+            guard let urlStr = dict["url"], let url = URL(string: urlStr) else { continue }
+            let name = dict["name"] ?? url.lastPathComponent
+            let type = dict["type"] ?? "url"
+            let libID = dict["libraryID"]?.isEmpty == false ? dict["libraryID"] : nil
+            restoredQueue.append(MediaItem(id: UUID().uuidString, url: url, name: name,
+                                           mediaType: type, libraryID: libID))
+        }
+        
+        guard !restoredQueue.isEmpty else {
+            NSLog("[MiniPlayer] Restored queue is empty after URL parsing")
+            return
+        }
+        
+        queue = restoredQueue
+        let idx = min(savedIndex, restoredQueue.count - 1)
+        
+        NSLog("[MiniPlayer] Restoring session: \(restoredQueue.count) items, index=\(idx), position=\(savedPosition)")
+        
+        // 播放并 seek 到上次位置
+        playIndex(idx)
+        
+        // seek 需要等 item readyToPlay，用延迟方式
+        if savedPosition > 1.0 {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) { [weak self] in
+                guard let self else { return }
+                let dur = self.cachedDuration
+                if dur > 0 && savedPosition < dur - 5 {
+                    self.player.seek(to: CMTime(seconds: savedPosition, preferredTimescale: 600))
+                    self.showToast("Resumed at \(self.formatTime(savedPosition))")
+                    NSLog("[MiniPlayer] Resumed at \(savedPosition)s")
+                }
+            }
+        }
+    }
+    
     // MARK: - 清理
     /// 主动清理所有观察者，在 view onDisappear 时调用
     /// 必须在 PlayerBridge 被释放之前调用
     func cleanup() {
         isTearingDown = true
         
-        // 强制保存播放位置（退出前记忆，不等debounce）
+        // 保存队列和播放位置（跨启动恢复）
+        saveSessionState()
+        
+        // 强制保存播放位置到媒体库（退出前记忆，不等debounce）
         saveCurrentPositionImmediate()
         
         player.pause()

SourcesiOS/Info.plist

@@ -0,0 +1,54 @@
+<?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>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundleDisplayName</key>
+    <string>MiniPlayer</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>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleVersion</key>
+    <string>1</string>
+    <key>LSRequiresIPhoneOS</key>
+    <true/>
+    <key>UIBackgroundModes</key>
+    <array>
+        <string>audio</string>
+    </array>
+    <key>UILaunchScreen</key>
+    <dict/>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+        <string>UIInterfaceOrientationPortrait</string>
+        <string>UIInterfaceOrientationLandscapeLeft</string>
+        <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+    <key>UISupportedInterfaceOrientations~ipad</key>
+    <array>
+        <string>UIInterfaceOrientationPortrait</string>
+        <string>UIInterfaceOrientationPortraitUpsideDown</string>
+        <string>UIInterfaceOrientationLandscapeLeft</string>
+        <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+    <key>NSAppTransportSecurity</key>
+    <dict>
+        <key>NSAllowsArbitraryLoads</key>
+        <true/>
+    </dict>
+    <key>NSPhotoLibraryAddUsageDescription</key>
+    <string>Save recorded videos to your photo library</string>
+    <key>NSPhotoLibraryUsageDescription</key>
+    <string>Access photo library to save recordings</string>
+</dict>
+</plist>