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book--hacking-with-swift
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Add song playback functionality

This commit is contained in:
CypherPoet 2019-02-22 21:51:07 -05:00
parent 3546ad85d2
commit 7a1fff5aec
1 changed files with 56 additions and 22 deletions
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78
33-cloudkit-guess-the-song/Guess the Song/Source/Controllers/Record Song/RecordSongViewController.swift
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@ -14,8 +14,11 @@ class RecordSongViewController: UIViewController {
lazy var stackView = makeStackView()
lazy var recordingSession = AVAudioSession.sharedInstance()
lazy var recordButton = makeRecordButton()
lazy var playButton = makePlayButton()
lazy var failureLabel = makeFailureLabel()
lazy var songRecorder: AVAudioRecorder? = makeRecorder()
lazy var songPlayer: AVAudioPlayer? = makeAudioPlayer()
lazy var songURL = UIViewController.getSongURL()
var submitRecordingButton: UIBarButtonItem!
@ -83,7 +86,8 @@ class RecordSongViewController: UIViewController {
func loadRecordingUI() {
stackView.addArrangedSubview(recordButton)
stackView.addArrangedSubview(recordButton)
stackView.addArrangedSubview(playButton)
}
@ -110,6 +114,10 @@ class RecordSongViewController: UIViewController {
songRecorder?.record()
}
}
@objc func playButtonTapped() {
songPlayer?.play()
}
@objc func submitButtonTapped() {
@ -141,6 +149,20 @@ class RecordSongViewController: UIViewController {
}
func makePlayButton() -> UIButton {
let button = UIButton()
button.translatesAutoresizingMaskIntoConstraints = false
button.setTitle("Tap to Play", for: .normal)
button.isHidden = true
button.alpha = 0
button.titleLabel?.font = UIFont.preferredFont(forTextStyle: .title1)
button.addTarget(self, action: #selector(playButtonTapped), for: .touchUpInside)
return button
}
func makeFailureLabel() -> UILabel {
let label = UILabel()
@ -153,8 +175,7 @@ class RecordSongViewController: UIViewController {
func makeRecorder() -> AVAudioRecorder? {
let songPath = UIViewController.getSongURL()
print("URL for recorded song: \(songPath.absoluteString)")
print("URL for recorded song: \(songURL.absoluteString)")
let recorderSettings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
@ -164,7 +185,7 @@ class RecordSongViewController: UIViewController {
]
do {
let recorder = try AVAudioRecorder(url: songPath, settings: recorderSettings)
let recorder = try AVAudioRecorder(url: songURL, settings: recorderSettings)
recorder.delegate = self
return recorder
@ -176,6 +197,19 @@ class RecordSongViewController: UIViewController {
}
func makeAudioPlayer() -> AVAudioPlayer? {
print("URL for recorded song: \(songURL.absoluteString)")
do {
return try AVAudioPlayer(contentsOf: songURL)
} catch let error {
warnOnError(title: "Playback failed", message: "There was a problem playing your song. Please try re-recording.")
}
return nil
}
func recordingStateChanged() {
let animationDuration = 0.25
@ -185,6 +219,8 @@ class RecordSongViewController: UIViewController {
withDuration: animationDuration,
animations: { [unowned self] in
self.view.backgroundColor = #colorLiteral(red: 0.79293257, green: 0.2189754248, blue: 0.2273216546, alpha: 1)
self.playButton.alpha = 0
self.playButton.isHidden = true
},
completion: { [unowned self] _ in
self.recordButton.setTitle("Tap to Stop", for: .normal)
@ -195,7 +231,7 @@ class RecordSongViewController: UIViewController {
UIView.animate(
withDuration: animationDuration,
animations: { [unowned self] in
self.view.backgroundColor = #colorLiteral(red: 0.3365412951, green: 0.3497310877, blue: 0.5033047199, alpha: 1)
self.view.backgroundColor = #colorLiteral(red: 0.2512912154, green: 0.2826214135, blue: 0.5264708996, alpha: 1)
},
completion: { [unowned self] _ in
self.recordButton.setTitle("Tap to Record", for: .normal)
@ -207,6 +243,8 @@ class RecordSongViewController: UIViewController {
withDuration: animationDuration,
animations: { [unowned self] in
self.view.backgroundColor = #colorLiteral(red: 0, green: 0.7464764714, blue: 0.310388267, alpha: 1)
self.playButton.alpha = 1
self.playButton.isHidden = false
},
completion: { [unowned self] _ in
self.recordButton.setTitle("Tap to Re-Record", for: .normal)
@ -214,25 +252,21 @@ class RecordSongViewController: UIViewController {
}
)
case .finishedUnsuccessfully:
let alertController = UIAlertController(
title: "Record failed.",
message: "There was a problem recording your song. Please try again.",
preferredStyle: .alert
)
alertController.addAction(
UIAlertAction(
title: "OK",
style: .default,
handler: { [unowned self] (UIAlertAction) -> Void in
self.currentRecordingState = .inactive
}
)
)
present(alertController, animated: true)
warnOnError(title: "Record failed.", message: "There was a problem recording your song. Please try again.")
}
}
func warnOnError(title: String, message: String) {
let alertController = UIAlertController(title: title, message: message, preferredStyle: .alert)
alertController.addAction(
UIAlertAction(title: "OK", style: .default) { [unowned self] (UIAlertAction) -> Void in
self.currentRecordingState = .inactive
}
)
present(alertController, animated: true)
}
}