Files
SwiftAudioEx/Example/SwiftAudio/ViewController.swift
T
Jørgen Henrichsen 1c4f5ec738 AudioSessionController tests.
Also activate audio session on play instead of launch in the example.
2018-08-05 10:02:53 +02:00

121 lines
3.8 KiB
Swift

//
// ViewController.swift
// SwiftAudio
//
// Created by Jørgen Henrichsen on 03/11/2018.
// Copyright (c) 2018 Jørgen Henrichsen. All rights reserved.
//
import UIKit
import SwiftAudio
import AVFoundation
import MediaPlayer
class ViewController: UIViewController {
@IBOutlet weak var playButton: UIButton!
@IBOutlet weak var slider: UISlider!
@IBOutlet weak var imageView: UIImageView!
@IBOutlet weak var remainingTimeLabel: UILabel!
@IBOutlet weak var elapsedTimeLabel: UILabel!
@IBOutlet weak var titleLabel: UILabel!
@IBOutlet weak var artistLabel: UILabel!
var isScrubbing: Bool = false
let controller = AudioController.shared
override func viewDidLoad() {
super.viewDidLoad()
controller.player.delegate = self
}
@IBAction func togglePlay(_ sender: Any) {
if (!controller.audioSessionController.audioSessionIsActive) {
try? controller.audioSessionController.activateSession()
}
try? controller.player.togglePlaying()
}
@IBAction func previous(_ sender: Any) {
try? controller.player.previous()
}
@IBAction func next(_ sender: Any) {
try? controller.player.next()
}
@IBAction func startScrubbing(_ sender: UISlider) {
isScrubbing = true
}
@IBAction func scrubbing(_ sender: UISlider) {
try? controller.player.seek(to: Double(slider.value))
}
@IBAction func scrubbingValueChanged(_ sender: UISlider) {
let value = Double(slider.value)
elapsedTimeLabel.text = value.secondsToString()
remainingTimeLabel.text = (controller.player.duration - value).secondsToString()
}
}
extension ViewController: AudioPlayerDelegate {
func audioPlayer(playerDidChangeState state: AVPlayerWrapperState) {
playButton.setTitle(state == .playing ? "Pause" : "Play", for: .normal)
switch state {
case .ready:
if let item = controller.player.currentItem {
titleLabel.text = item.getTitle()
artistLabel.text = item.getArtist()
item.getArtwork({ (image) in
self.imageView.image = image
})
}
slider.maximumValue = Float(controller.player.duration)
slider.setValue(Float(controller.player.currentTime), animated: true)
elapsedTimeLabel.text = controller.player.currentTime.secondsToString()
remainingTimeLabel.text = (controller.player.duration - controller.player.currentTime).secondsToString()
case .loading, .playing, .paused, .idle:
slider.maximumValue = Float(controller.player.duration)
slider.setValue(Float(controller.player.currentTime), animated: true)
}
}
func audioPlayerItemDidComplete() {
}
func audioPlayer(secondsElapsed seconds: Double) {
if !isScrubbing {
slider.setValue(Float(seconds), animated: false)
elapsedTimeLabel.text = controller.player.currentTime.secondsToString()
remainingTimeLabel.text = (controller.player.duration - controller.player.currentTime).secondsToString()
}
}
func audioPlayer(failedWithError error: Error?) {
}
func audioPlayer(seekTo seconds: Int, didFinish: Bool) {
isScrubbing = false
}
func audioPlayer(didUpdateDuration duration: Double) {
slider.maximumValue = Float(controller.player.duration)
slider.setValue(Float(controller.player.currentTime), animated: true)
elapsedTimeLabel.text = controller.player.currentTime.secondsToString()
remainingTimeLabel.text = (controller.player.duration - controller.player.currentTime).secondsToString()
}
}