13장 음악 재생하고 녹음하기
//
// ViewController.swift
// Audio
//
// Created by stayfoolish on 20/10/2018.
// Copyright © 2018 stayfoolish. All rights reserved.
//
import UIKit
import AVFoundation
class ViewController: UIViewController, AVAudioPlayerDelegate, AVAudioRecorderDelegate {
var audioPlayer: AVAudioPlayer!
var audioFile: URL!
var MAX_VOLUME: Float = 10.0
var progressTimer: Timer!
let timePlayerSelector:Selector = #selector(ViewController.updatePlayTime)
let timeRecordSelector:Selector = #selector(ViewController.updateRecordTime)
@IBOutlet var pvProgressPlay: UIProgressView!
@IBOutlet var lblCurrentTime: UILabel!
@IBOutlet var lblEndTime: UILabel!
@IBOutlet var btnPlay: UIButton!
@IBOutlet var btnPause: UIButton!
@IBOutlet var btnStop: UIButton!
@IBOutlet var slVolume: UISlider!
@IBOutlet var btnRecord: UIButton!
@IBOutlet var lblRecordTime: UILabel!
var audioRecorder: AVAudioRecorder!
var isRecordMode = false
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
selectAudioFile()
if !isRecordMode {
initPlay()
btnRecord.isEnabled = false
lblRecordTime.isEnabled = false
}else {
initRecord()
}
}
func selectAudioFile(){
if !isRecordMode{
audioFile = Bundle.main.url(forResource: "Sicilian_Breeze", withExtension: "mp3")
}else {
let documentDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
audioFile = documentDirectory.appendingPathComponent("recordFile.m4a")
}
}
func initRecord(){
let recordSettings = [
AVFormatIDKey : NSNumber(value: kAudioFormatAppleLossless as UInt32),
AVEncoderAudioQualityKey : AVAudioQuality.max.rawValue,
AVEncoderBitRateKey : 320000,
AVNumberOfChannelsKey : 2,
AVSampleRateKey: 44100.0] as [String : Any]
do {
audioRecorder = try AVAudioRecorder(url: audioFile, settings: recordSettings)
}catch let error as NSError {
print("Error-initRecord : \(error)")
}
audioRecorder.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder.prepareToRecord()
slVolume.value = 1.0
audioPlayer.volume = slVolume.value
lblEndTime.text = convertNSTimeInterval2String(0)
lblCurrentTime.text = convertNSTimeInterval2String(0)
setPlayButtons(false, pause: false, stop: false)
let session = AVAudioSession.sharedInstance()
do {
try session.setCategory(AVAudioSessionCategoryPlayAndRecord)
}catch let error as NSError {
print(" Error-setCategory : \(error)")
}
do {
try session.setActive(true)
}catch let error as NSError {
print(" Error-setActive : \(error)")
}
}
func initPlay(){
do {
audioPlayer = try AVAudioPlayer(contentsOf: audioFile)
}catch let error as NSError {
print("Error-initPlay : \(error)")
}
slVolume.maximumValue = MAX_VOLUME
slVolume.value = 1.0
pvProgressPlay.progress = 0
audioPlayer.delegate = self
audioPlayer.prepareToPlay()
audioPlayer.volume = slVolume.value
lblEndTime.text = convertNSTimeInterval2String(audioPlayer.duration)
lblCurrentTime.text = convertNSTimeInterval2String(0)
setPlayButtons(true, pause: false, stop: false)
/*
btnPlay.isEnabled = true
btnPause.isEnabled = false
btnStop.isEnabled = false
*/
}
func convertNSTimeInterval2String(_ time:TimeInterval) -> String {
let min = Int(time/60)
let sec = Int(time.truncatingRemainder(dividingBy: 60))
let strTime = String(format: "%02d:%02d", min, sec)
return strTime
}
func setPlayButtons(_ play: Bool , pause: Bool, stop: Bool){
btnPlay.isEnabled = play
btnPause.isEnabled = pause
btnStop.isEnabled = stop
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func btnPlayAudio(_ sender: UIButton) {
audioPlayer.play()
setPlayButtons(false, pause: true, stop: true)
progressTimer = Timer.scheduledTimer(timeInterval: 0.1, target: self, selector: timePlayerSelector, userInfo: nil, repeats: true)
}
@objc func updatePlayTime() {
lblCurrentTime.text = convertNSTimeInterval2String(audioPlayer.currentTime)
pvProgressPlay.progress = Float(audioPlayer.currentTime/audioPlayer.duration)
}
@IBAction func btnPauseAudio(_ sender: UIButton){
audioPlayer.pause()
setPlayButtons(true, pause: false, stop: true)
}
@IBAction func btnStopAudio(_ sender: UIButton){
audioPlayer.stop()
audioPlayer.currentTime = 0
lblCurrentTime.text = convertNSTimeInterval2String(0)
setPlayButtons(true, pause: false, stop: false)
progressTimer.invalidate()
}
@IBAction func slChangeVolume(_ sender: UISlider) {
audioPlayer.volume = slVolume.value
}
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
progressTimer.invalidate()
setPlayButtons(true, pause: false, stop: false)
}
@IBAction func swRecordMode(_ sender: UISwitch) {
if sender.isOn{
audioPlayer.stop()
audioPlayer.currentTime = 0
lblRecordTime!.text = convertNSTimeInterval2String(0)
isRecordMode = true
btnRecord.isEnabled = true
lblRecordTime.isEnabled = true
}else {
isRecordMode = false
btnRecord.isEnabled = false
lblRecordTime.isEnabled = false
lblRecordTime.text = convertNSTimeInterval2String(0)
}
selectAudioFile()
if !isRecordMode{
initPlay()
}else {
initRecord()
}
}
@IBAction func btnRecord(_ sender: UIButton) {
if sender.titleLabel?.text == "Record" {
audioRecorder.record()
sender.setTitle("Stop", for: UIControlState())
progressTimer = Timer.scheduledTimer(timeInterval: 0.1, target: self, selector: timeRecordSelector, userInfo: nil, repeats: true)
}else {
audioRecorder.stop()
progressTimer.invalidate()
sender.setTitle("Record", for: UIControlState())
btnPlay.isEnabled = true
initPlay()
}
}
@objc func updateRecordTime(){
lblRecordTime.text = convertNSTimeInterval2String(audioRecorder.currentTime)
}
}
14장 비디오 재생 앱 만들기
//
// ViewController.swift
// MoviePlayer
//
// Created by stayfoolish on 21/10/2018.
// Copyright © 2018 stayfoolish. All rights reserved.
//
import UIKit
import AVKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func btnPlayInternalMovie(_ sender: UIButton) {
// 내부 파일 mp4
let filePath: String? = Bundle.main.path(forResource: "FastTyping", ofType: "mp4")
let url = NSURL(fileURLWithPath: filePath!)
playVideo(url: url)
/*
let playerController = AVPlayerViewController()
let player = AVPlayer(url: url as URL)
playerController.player = player
self.present(playerController, animated: true){
player.play()
}
*/
}
@IBAction func btnPlayExternalMovie(_ sender: UIButton) {
// 외부 파일 mp4
let url = NSURL(string: "https://dl.dropboxusercontent.com/s/e38auz050w2mvud/Fireworks.mp4")!
playVideo(url: url)
/*
let playerController = AVPlayerViewController()
let player = AVPlayer(url: url as URL)
playerController.player = player
self.present(playerController, animated: true){
player.play()
}
*/
}
private func playVideo(url: NSURL) {
let playerController = AVPlayerViewController()
let player = AVPlayer(url: url as URL)
playerController.player = player
self.present(playerController, animated: true){
player.play()
}
}
}
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