11 changed files with 387 additions and 105 deletions
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// swift-tools-version: 5.9 |
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import PackageDescription |
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let package = Package( |
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name: "music_service", |
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platforms: [.iOS("18.0")], |
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products: [ |
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.library(name: "music-service", targets: ["music_service"]) |
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], |
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dependencies: [ |
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// 例如，添加 Alamofire 作为网络请求库 |
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.package(url: "https://github.com/Alamofire/Alamofire.git", from: "5.6.0") |
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], |
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targets: [ |
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.target( |
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name: "music_service", |
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dependencies: [ |
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// 指定使用 Alamofire 库 |
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.product(name: "Alamofire", package: "Alamofire") |
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], |
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path: "Sources/music_service" |
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) |
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] |
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) |
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@ -0,0 +1,120 @@ |
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// |
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// MusicService.swift |
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// music_service |
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// |
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// Created by 李伟 on 2025/6/4. |
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// |
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import Foundation |
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import AVFoundation |
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import MediaPlayer |
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import UIKit |
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public class MusicService: NSObject { |
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public static let shared: MusicService = MusicService() |
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private var player: AVPlayer? |
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private var playlist: [[String: String]] = [] |
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private var currentIndex = 0 |
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public var isPlaying = false |
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private override init() { |
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super.init() |
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setupRemoteCommandCenter() |
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} |
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func getCurrentUrlString() -> String? { |
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guard let urlAsset = player?.currentItem?.asset as? AVURLAsset else { |
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return nil |
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} |
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return urlAsset.url.absoluteString |
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} |
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public func play(song: [String: String]) { |
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guard let urlString = song["url"], let url = URL(string: urlString) else { return } |
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player = AVPlayer(url: url) |
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player?.play() |
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isPlaying = true |
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updateNowPlayingInfo(song: song) |
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} |
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public func playPlaylist(songs: [[String: String]]) { |
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playlist = songs |
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currentIndex = 0 |
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play(song: playlist[currentIndex]) |
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} |
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func pause() { |
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player?.pause() |
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isPlaying = false |
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updatePlaybackState() |
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} |
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func resume() { |
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player?.play() |
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isPlaying = true |
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updatePlaybackState() |
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} |
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func next() { |
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guard currentIndex + 1 < playlist.count else { return } |
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currentIndex += 1 |
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play(song: playlist[currentIndex]) |
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} |
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func previous() { |
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guard currentIndex - 1 >= 0 else { return } |
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currentIndex -= 1 |
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play(song: playlist[currentIndex]) |
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} |
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func stop() { |
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player?.pause() |
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player?.replaceCurrentItem(with: nil) |
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isPlaying = false |
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updatePlaybackState() |
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} |
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func setVolume(volume: Float) { |
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player?.volume = volume |
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} |
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private func setupRemoteCommandCenter() { |
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let commandCenter = MPRemoteCommandCenter.shared() |
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commandCenter.playCommand.addTarget { [unowned self] _ in |
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self.resume() |
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return .success |
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} |
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commandCenter.pauseCommand.addTarget { [unowned self] _ in |
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self.pause() |
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return .success |
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} |
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commandCenter.nextTrackCommand.addTarget { [unowned self] _ in |
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self.next() |
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return .success |
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} |
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commandCenter.previousTrackCommand.addTarget { [unowned self] _ in |
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self.previous() |
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return .success |
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} |
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} |
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private func updateNowPlayingInfo(song: [String: String]) { |
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var nowPlayingInfo: [String: Any] = [ |
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MPMediaItemPropertyTitle: song["title"] ?? "Unknown Title", |
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MPMediaItemPropertyArtist: song["artist"] ?? "Unknown Artist" |
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] |
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if let coverUrlString = song["coverUrl"], let coverUrl = URL(string: coverUrlString), |
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let data = try? Data(contentsOf: coverUrl), |
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let image = UIImage(data: data) { |
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nowPlayingInfo[MPMediaItemPropertyArtwork] = MPMediaItemArtwork(boundsSize: image.size) { _ in image } |
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} |
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MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo |
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} |
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private func updatePlaybackState() { |
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// iOS manages playback state automatically, but you can update NowPlayingInfo if needed |
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} |
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} |
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@ -0,0 +1,71 @@ |
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import Flutter |
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import UIKit |
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public class MusicServicePlugin: NSObject, FlutterPlugin { |
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private static var channel: FlutterMethodChannel? |
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public static func register(with registrar: FlutterPluginRegistrar) { |
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let channel = FlutterMethodChannel(name: "com.yunqiinnovation.music_service", binaryMessenger: registrar.messenger()) |
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let instance = MusicServicePlugin() |
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registrar.addMethodCallDelegate(instance, channel: channel) |
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self.channel = channel |
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} |
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public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { |
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print("Method call: \(call.method)") |
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switch call.method { |
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case "play": |
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if let args = call.arguments as? [String: Any], |
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let song = args["song"] as? [String: String] { |
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MusicService.shared.play(song: song) |
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result(nil) |
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} else { |
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result(FlutterError(code: "INVALID_ARGUMENT", message: "Missing 'song' map", details: nil)) |
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} |
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case "playlist": |
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if let args = call.arguments as? [String: Any], |
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let songs = args["songs"] as? [[String: String]], !songs.isEmpty { |
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// MusicServiceStarter.startServiceWithPlaylist(command: "playlist", songs: songs) |
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MusicService.shared.playPlaylist(songs: songs) |
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result(nil) |
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} else { |
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result(FlutterError(code: "INVALID_ARGUMENT", message: "Missing or empty 'songs' list", details: nil)) |
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} |
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case "pause": |
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MusicService.shared.pause() |
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result(nil) |
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case "resume": |
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MusicService.shared.resume() |
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result(nil) |
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case "stop": |
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// MusicServiceStarter.startService(command: "stop") |
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MusicService.shared.stop() |
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result(nil) |
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case "setVolume": |
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if let args = call.arguments as? [String: Any], |
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let volume = args["volume"] as? Double { |
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MusicService.shared.setVolume(volume: Float(volume)) |
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result(nil) |
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} else { |
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result(FlutterError(code: "INVALID_ARGUMENT", message: "Missing or invalid 'volume'", details: nil)) |
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} |
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case "getStatus": |
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let isPlaying = MusicService.shared.isPlaying |
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let currentUrl = MusicService.shared.getCurrentUrlString() |
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let status: [String: Any] = [ |
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"isPlaying": isPlaying, |
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"url": currentUrl != nil ? currentUrl! : NSNull() |
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] |
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result(status) |
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default: |
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result(FlutterMethodNotImplemented) |
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} |
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} |
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} |
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