Audio 在Swift中录制音频
有人知道我在哪里可以找到有关如何在Swift应用程序中录制音频的信息吗?我一直在看一些音频播放的例子,但我似乎找不到任何关于实现音频录制的东西。谢谢这是代码。您可以轻松录制。在Audio 在Swift中录制音频,audio,swift,Audio,Swift,有人知道我在哪里可以找到有关如何在Swift应用程序中录制音频的信息吗?我一直在看一些音频播放的例子,但我似乎找不到任何关于实现音频录制的东西。谢谢这是代码。您可以轻松录制。在iAction上编写此代码。它将按名称recordTest.caf将录制内容保存在文档中 //declare instance variable var audioRecorder:AVAudioRecorder! func record(){ var audioSession:AVAudioSe
iAction
上编写此代码。它将按名称recordTest.caf
将录制内容保存在文档中
//declare instance variable
var audioRecorder:AVAudioRecorder!
func record(){
var audioSession:AVAudioSession = AVAudioSession.sharedInstance()
audioSession.setCategory(AVAudioSessionCategoryPlayAndRecord, error: nil)
audioSession.setActive(true, error: nil)
var documents: AnyObject = NSSearchPathForDirectoriesInDomains( NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)[0]
var str = documents.stringByAppendingPathComponent("recordTest.caf")
var url = NSURL.fileURLWithPath(str as String)
var recordSettings = [AVFormatIDKey:kAudioFormatAppleIMA4,
AVSampleRateKey:44100.0,
AVNumberOfChannelsKey:2,AVEncoderBitRateKey:12800,
AVLinearPCMBitDepthKey:16,
AVEncoderAudioQualityKey:AVAudioQuality.Max.rawValue]
println("url : \(url)")
var error: NSError?
audioRecorder = AVAudioRecorder(URL:url, settings: recordSettings, error: &error)
if let e = error {
println(e.localizedDescription)
} else {
audioRecorder.record()
}
}
@codester答案的Swift2版本
func record() {
//init
let audioSession:AVAudioSession = AVAudioSession.sharedInstance()
//ask for permission
if (audioSession.respondsToSelector("requestRecordPermission:")) {
AVAudioSession.sharedInstance().requestRecordPermission({(granted: Bool)-> Void in
if granted {
print("granted")
//set category and activate recorder session
try! audioSession.setCategory(AVAudioSessionCategoryPlayAndRecord)
try! audioSession.setActive(true)
//get documnets directory
let documentsDirectory = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0]
let fullPath = documentsDirectory.stringByAppendingPathComponent("voiceRecording.caf")
let url = NSURL.fileURLWithPath(fullPath)
//create AnyObject of settings
let settings: [String : AnyObject] = [
AVFormatIDKey:Int(kAudioFormatAppleIMA4), //Int required in Swift2
AVSampleRateKey:44100.0,
AVNumberOfChannelsKey:2,
AVEncoderBitRateKey:12800,
AVLinearPCMBitDepthKey:16,
AVEncoderAudioQualityKey:AVAudioQuality.Max.rawValue
]
//record
try! self.audioRecorder = AVAudioRecorder(URL: url, settings: settings)
} else{
print("not granted")
}
})
}
}
除了之前的答案,我还试图让它在Xcode 7.2上工作,之后我听不到任何声音,当我通过电子邮件发送文件时也听不到声音。没有警告或例外。
因此,我将设置更改为以下内容,并存储为.m4a文件
let recordSettings = [AVSampleRateKey : NSNumber(float: Float(44100.0)),
AVFormatIDKey : NSNumber(int: Int32(kAudioFormatMPEG4AAC)),
AVNumberOfChannelsKey : NSNumber(int: 1),
AVEncoderAudioQualityKey : NSNumber(int: Int32(AVAudioQuality.Medium.rawValue))]
然后我就可以听声音了。
为了保存文件,我在viewDidLoad上添加了以下内容以初始化记录器:
let audioSession = AVAudioSession.sharedInstance()
do {
try audioSession.setCategory(AVAudioSessionCategoryPlayAndRecord)
try audioRecorder = AVAudioRecorder(URL: self.directoryURL()!,
settings: recordSettings)
audioRecorder.prepareToRecord()
} catch {
}
和用于创建目录:
func directoryURL() -> NSURL? {
let fileManager = NSFileManager.defaultManager()
let urls = fileManager.URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
let documentDirectory = urls[0] as NSURL
let soundURL = documentDirectory.URLByAppendingPathComponent("sound.m4a")
return soundURL
}
我还添加了用于开始录制、停止和播放的操作
@IBAction func doRecordAction(sender: AnyObject) {
if !audioRecorder.recording {
let audioSession = AVAudioSession.sharedInstance()
do {
try audioSession.setActive(true)
audioRecorder.record()
} catch {
}
}
}
@IBAction func doStopRecordingAction(sender: AnyObject) {
audioRecorder.stop()
let audioSession = AVAudioSession.sharedInstance()
do {
try audioSession.setActive(false)
} catch {
}
}
@IBAction func doPlayAction(sender: AnyObject) {
if (!audioRecorder.recording){
do {
try audioPlayer = AVAudioPlayer(contentsOfURL: audioRecorder.url)
audioPlayer.play()
} catch {
}
}
}
Swift 3代码版本:完整的音频录制解决方案强>
import UIKit
import AVFoundation
class ViewController: UIViewController, AVAudioRecorderDelegate {
//Outlets
@IBOutlet weak var recordingTimeLabel: UILabel!
//Variables
var audioRecorder: AVAudioRecorder!
var meterTimer:Timer!
var isAudioRecordingGranted: Bool!
override func viewDidLoad() {
super.viewDidLoad()
switch AVAudioSession.sharedInstance().recordPermission() {
case AVAudioSessionRecordPermission.granted:
isAudioRecordingGranted = true
break
case AVAudioSessionRecordPermission.denied:
isAudioRecordingGranted = false
break
case AVAudioSessionRecordPermission.undetermined:
AVAudioSession.sharedInstance().requestRecordPermission() { [unowned self] allowed in
DispatchQueue.main.async {
if allowed {
self.isAudioRecordingGranted = true
} else {
self.isAudioRecordingGranted = false
}
}
}
break
default:
break
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
audioRecorder = nil
}
//MARK:- Audio recorder buttons action.
@IBAction func audioRecorderAction(_ sender: UIButton) {
if isAudioRecordingGranted {
//Create the session.
let session = AVAudioSession.sharedInstance()
do {
//Configure the session for recording and playback.
try session.setCategory(AVAudioSessionCategoryPlayAndRecord, with: .defaultToSpeaker)
try session.setActive(true)
//Set up a high-quality recording session.
let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue
]
//Create audio file name URL
let audioFilename = getDocumentsDirectory().appendingPathComponent("audioRecording.m4a")
//Create the audio recording, and assign ourselves as the delegate
audioRecorder = try AVAudioRecorder(url: audioFilename, settings: settings)
audioRecorder.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder.record()
meterTimer = Timer.scheduledTimer(timeInterval: 0.1, target:self, selector:#selector(self.updateAudioMeter(timer:)), userInfo:nil, repeats:true)
}
catch let error {
print("Error for start audio recording: \(error.localizedDescription)")
}
}
}
@IBAction func stopAudioRecordingAction(_ sender: UIButton) {
finishAudioRecording(success: true)
}
func finishAudioRecording(success: Bool) {
audioRecorder.stop()
audioRecorder = nil
meterTimer.invalidate()
if success {
print("Recording finished successfully.")
} else {
print("Recording failed :(")
}
}
func updateAudioMeter(timer: Timer) {
if audioRecorder.isRecording {
let hr = Int((audioRecorder.currentTime / 60) / 60)
let min = Int(audioRecorder.currentTime / 60)
let sec = Int(audioRecorder.currentTime.truncatingRemainder(dividingBy: 60))
let totalTimeString = String(format: "%02d:%02d:%02d", hr, min, sec)
recordingTimeLabel.text = totalTimeString
audioRecorder.updateMeters()
}
}
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
let documentsDirectory = paths[0]
return documentsDirectory
}
//MARK:- Audio recoder delegate methods
func audioRecorderDidFinishRecording(_ recorder: AVAudioRecorder, successfully flag: Bool) {
if !flag {
finishAudioRecording(success: false)
}
}
}
在Swift 3中
- 添加框架AVFoundation
- **在info.plist中添加键值
键=隐私-话筒使用说明和值=用于使用
传声器
(如果你不提供价值描述,应用程序将崩溃——为什么你要请求许可)**
- 导入AVFoundation和AVAudioRecorderDelegate、AVAudioPlayerDelegate
import AVFoundation
class RecordVC: UIViewController , AVAudioRecorderDelegate, AVAudioPlayerDelegate
- 创建用于录制音频和播放音频的按钮,以及用于显示录制时间的标签,并给出插座和操作,如开始录制、播放录制和声明一些我们稍后将使用的变量
@IBOutlet var recordingTimeLabel: UILabel!
@IBOutlet var record_btn_ref: UIButton!
@IBOutlet var play_btn_ref: UIButton!
var audioRecorder: AVAudioRecorder!
var audioPlayer : AVAudioPlayer!
var meterTimer:Timer!
var isAudioRecordingGranted: Bool!
var isRecording = false
var isPlaying = false
func setup_recorder()
{
if isAudioRecordingGranted
{
let session = AVAudioSession.sharedInstance()
do
{
try session.setCategory(AVAudioSessionCategoryPlayAndRecord, with: .defaultToSpeaker)
try session.setActive(true)
let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey:AVAudioQuality.high.rawValue
]
audioRecorder = try AVAudioRecorder(url: getFileUrl(), settings: settings)
audioRecorder.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder.prepareToRecord()
}
catch let error {
display_alert(msg_title: "Error", msg_desc: error.localizedDescription, action_title: "OK")
}
}
else
{
display_alert(msg_title: "Error", msg_desc: "Don't have access to use your microphone.", action_title: "OK")
}
}
- 在视图中加载检查记录权限
override func viewDidLoad() {
super.viewDidLoad()
check_record_permission()
}
func check_record_permission()
{
switch AVAudioSession.sharedInstance().recordPermission() {
case AVAudioSessionRecordPermission.granted:
isAudioRecordingGranted = true
break
case AVAudioSessionRecordPermission.denied:
isAudioRecordingGranted = false
break
case AVAudioSessionRecordPermission.undetermined:
AVAudioSession.sharedInstance().requestRecordPermission({ (allowed) in
if allowed {
self.isAudioRecordingGranted = true
} else {
self.isAudioRecordingGranted = false
}
})
break
default:
break
}
}
func audioRecorderDidFinishRecording(_ recorder: AVAudioRecorder, successfully flag: Bool)
{
if !flag
{
finishAudioRecording(success: false)
}
play_btn_ref.isEnabled = true
}
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool)
{
record_btn_ref.isEnabled = true
}
- 生成要将该录制保存为myRecording.m4a的路径
func getDocumentsDirectory() -> URL
{
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
let documentsDirectory = paths[0]
return documentsDirectory
}
func getFileUrl() -> URL
{
let filename = "myRecording.m4a"
let filePath = getDocumentsDirectory().appendingPathComponent(filename)
return filePath
}
- 设置记录器
@IBOutlet var recordingTimeLabel: UILabel!
@IBOutlet var record_btn_ref: UIButton!
@IBOutlet var play_btn_ref: UIButton!
var audioRecorder: AVAudioRecorder!
var audioPlayer : AVAudioPlayer!
var meterTimer:Timer!
var isAudioRecordingGranted: Bool!
var isRecording = false
var isPlaying = false
func setup_recorder()
{
if isAudioRecordingGranted
{
let session = AVAudioSession.sharedInstance()
do
{
try session.setCategory(AVAudioSessionCategoryPlayAndRecord, with: .defaultToSpeaker)
try session.setActive(true)
let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey:AVAudioQuality.high.rawValue
]
audioRecorder = try AVAudioRecorder(url: getFileUrl(), settings: settings)
audioRecorder.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder.prepareToRecord()
}
catch let error {
display_alert(msg_title: "Error", msg_desc: error.localizedDescription, action_title: "OK")
}
}
else
{
display_alert(msg_title: "Error", msg_desc: "Don't have access to use your microphone.", action_title: "OK")
}
}
- 当按钮开始录制时开始录制\u使用updateAudioMeter按下并显示秒数,如果录制已开始,则完成录制
@IBAction func start_recording(_ sender: UIButton)
{
if(isRecording)
{
finishAudioRecording(success: true)
record_btn_ref.setTitle("Record", for: .normal)
play_btn_ref.isEnabled = true
isRecording = false
}
else
{
setup_recorder()
audioRecorder.record()
meterTimer = Timer.scheduledTimer(timeInterval: 0.1, target:self, selector:#selector(self.updateAudioMeter(timer:)), userInfo:nil, repeats:true)
record_btn_ref.setTitle("Stop", for: .normal)
play_btn_ref.isEnabled = false
isRecording = true
}
}
func updateAudioMeter(timer: Timer)
{
if audioRecorder.isRecording
{
let hr = Int((audioRecorder.currentTime / 60) / 60)
let min = Int(audioRecorder.currentTime / 60)
let sec = Int(audioRecorder.currentTime.truncatingRemainder(dividingBy: 60))
let totalTimeString = String(format: "%02d:%02d:%02d", hr, min, sec)
recordingTimeLabel.text = totalTimeString
audioRecorder.updateMeters()
}
}
func finishAudioRecording(success: Bool)
{
if success
{
audioRecorder.stop()
audioRecorder = nil
meterTimer.invalidate()
print("recorded successfully.")
}
else
{
display_alert(msg_title: "Error", msg_desc: "Recording failed.", action_title: "OK")
}
}
func prepare_play()
{
do
{
audioPlayer = try AVAudioPlayer(contentsOf: getFileUrl())
audioPlayer.delegate = self
audioPlayer.prepareToPlay()
}
catch{
print("Error")
}
}
@IBAction func play_recording(_ sender: Any)
{
if(isPlaying)
{
audioPlayer.stop()
record_btn_ref.isEnabled = true
play_btn_ref.setTitle("Play", for: .normal)
isPlaying = false
}
else
{
if FileManager.default.fileExists(atPath: getFileUrl().path)
{
record_btn_ref.isEnabled = false
play_btn_ref.setTitle("pause", for: .normal)
prepare_play()
audioPlayer.play()
isPlaying = true
}
else
{
display_alert(msg_title: "Error", msg_desc: "Audio file is missing.", action_title: "OK")
}
}
}
- 播放录音
@IBAction func start_recording(_ sender: UIButton)
{
if(isRecording)
{
finishAudioRecording(success: true)
record_btn_ref.setTitle("Record", for: .normal)
play_btn_ref.isEnabled = true
isRecording = false
}
else
{
setup_recorder()
audioRecorder.record()
meterTimer = Timer.scheduledTimer(timeInterval: 0.1, target:self, selector:#selector(self.updateAudioMeter(timer:)), userInfo:nil, repeats:true)
record_btn_ref.setTitle("Stop", for: .normal)
play_btn_ref.isEnabled = false
isRecording = true
}
}
func updateAudioMeter(timer: Timer)
{
if audioRecorder.isRecording
{
let hr = Int((audioRecorder.currentTime / 60) / 60)
let min = Int(audioRecorder.currentTime / 60)
let sec = Int(audioRecorder.currentTime.truncatingRemainder(dividingBy: 60))
let totalTimeString = String(format: "%02d:%02d:%02d", hr, min, sec)
recordingTimeLabel.text = totalTimeString
audioRecorder.updateMeters()
}
}
func finishAudioRecording(success: Bool)
{
if success
{
audioRecorder.stop()
audioRecorder = nil
meterTimer.invalidate()
print("recorded successfully.")
}
else
{
display_alert(msg_title: "Error", msg_desc: "Recording failed.", action_title: "OK")
}
}
func prepare_play()
{
do
{
audioPlayer = try AVAudioPlayer(contentsOf: getFileUrl())
audioPlayer.delegate = self
audioPlayer.prepareToPlay()
}
catch{
print("Error")
}
}
@IBAction func play_recording(_ sender: Any)
{
if(isPlaying)
{
audioPlayer.stop()
record_btn_ref.isEnabled = true
play_btn_ref.setTitle("Play", for: .normal)
isPlaying = false
}
else
{
if FileManager.default.fileExists(atPath: getFileUrl().path)
{
record_btn_ref.isEnabled = false
play_btn_ref.setTitle("pause", for: .normal)
prepare_play()
audioPlayer.play()
isPlaying = true
}
else
{
display_alert(msg_title: "Error", msg_desc: "Audio file is missing.", action_title: "OK")
}
}
}
- 录制结束时启用播放按钮&播放结束时启用录制按钮
override func viewDidLoad() {
super.viewDidLoad()
check_record_permission()
}
func check_record_permission()
{
switch AVAudioSession.sharedInstance().recordPermission() {
case AVAudioSessionRecordPermission.granted:
isAudioRecordingGranted = true
break
case AVAudioSessionRecordPermission.denied:
isAudioRecordingGranted = false
break
case AVAudioSessionRecordPermission.undetermined:
AVAudioSession.sharedInstance().requestRecordPermission({ (allowed) in
if allowed {
self.isAudioRecordingGranted = true
} else {
self.isAudioRecordingGranted = false
}
})
break
default:
break
}
}
func audioRecorderDidFinishRecording(_ recorder: AVAudioRecorder, successfully flag: Bool)
{
if !flag
{
finishAudioRecording(success: false)
}
play_btn_ref.isEnabled = true
}
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool)
{
record_btn_ref.isEnabled = true
}
- 显示警报的通用功能
func display_alert(msg_title : String , msg_desc : String ,action_title : String)
{
let ac = UIAlertController(title: msg_title, message: msg_desc, preferredStyle: .alert)
ac.addAction(UIAlertAction(title: action_title, style: .default)
{
(result : UIAlertAction) -> Void in
_ = self.navigationController?.popViewController(animated: true)
})
present(ac, animated: true)
}
使用Swift 4在类文件中编写代码
班级是
代码是
class AudioRecordViewController: UIViewController {
@IBOutlet weak var recodeBtn: UIButton!
@IBOutlet weak var playBtn: UIButton!
var state: AGAudioRecorderState = .Ready
var recorder: AGAudioRecorder = AGAudioRecorder(withFileName: "TempFile")
override func viewDidLoad() {
super.viewDidLoad()
recodeBtn.setTitle("Recode", for: .normal)
playBtn.setTitle("Play", for: .normal)
recorder.delegate = self
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
@IBAction func recode(_ sender: UIButton) {
recorder.doRecord()
}
@IBAction func play(_ sender: UIButton) {
recorder.doPlay()
}
}
extension AudioRecordViewController: AGAudioRecorderDelegate {
func agAudioRecorder(_ recorder: AGAudioRecorder, withStates state: AGAudioRecorderState) {
switch state {
case .error(let e): debugPrint(e)
case .Failed(let s): debugPrint(s)
case .Finish:
recodeBtn.setTitle("Recode", for: .normal)
case .Recording:
recodeBtn.setTitle("Recoding Finished", for: .normal)
case .Pause:
playBtn.setTitle("Pause", for: .normal)
case .Play:
playBtn.setTitle("Play", for: .normal)
case .Ready:
recodeBtn.setTitle("Recode", for: .normal)
playBtn.setTitle("Play", for: .normal)
refreshBtn.setTitle("Refresh", for: .normal)
}
debugPrint(state)
}
func agAudioRecorder(_ recorder: AGAudioRecorder, currentTime timeInterval: TimeInterval, formattedString: String) {
debugPrint(formattedString)
}
}
在Swift 4.2上编写的具有简单接口的音频记录器
final class AudioRecorderImpl: NSObject {
private let session = AVAudioSession.sharedInstance()
private var player: AVAudioPlayer?
private var recorder: AVAudioRecorder?
private lazy var permissionGranted = false
private lazy var isRecording = false
private lazy var isPlaying = false
private var fileURL: URL?
private let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey:AVAudioQuality.high.rawValue
]
override init() {
fileURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first?.appendingPathComponent("note.m4a")
}
func record(to url: URL?) {
guard permissionGranted,
let url = url ?? fileURL else { return }
setupRecorder(url: url)
if isRecording {
stopRecording()
}
isRecording = true
recorder?.record()
}
func stopRecording() {
isRecording = false
recorder?.stop()
try? session.setActive(false)
}
func play(from url: URL?) {
guard let url = url ?? fileURL else { return }
setupPlayer(url: url)
if isRecording {
stopRecording()
}
if isPlaying {
stopPlaying()
}
if FileManager.default.fileExists(atPath: url.path) {
isPlaying = true
setupPlayer(url: url)
player?.play()
}
}
func stopPlaying() {
player?.stop()
}
func pause() {
player?.pause()
}
func resume() {
if player?.isPlaying == false {
player?.play()
}
}
func checkPermission(completion: ((Bool) -> Void)?) {
func assignAndInvokeCallback(_ granted: Bool) {
self.permissionGranted = granted
completion?(granted)
}
switch session.recordPermission {
case .granted:
assignAndInvokeCallback(true)
case .denied:
assignAndInvokeCallback(false)
case .undetermined:
session.requestRecordPermission(assignAndInvokeCallback)
}
}
}
extension AudioRecorderImpl: AVAudioRecorderDelegate, AVAudioPlayerDelegate {
}
private extension AudioRecorderImpl {
func setupRecorder(url: URL) {
guard
permissionGranted else { return }
try? session.setCategory(.playback, mode: .default)
try? session.setActive(true)
let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue
]
recorder = try? AVAudioRecorder(url: url, settings: settings)
recorder?.delegate = self
recorder?.isMeteringEnabled = true
recorder?.prepareToRecord()
}
func setupPlayer(url: URL) {
player = try? AVAudioPlayer(contentsOf: url)
player?.delegate = self
player?.prepareToPlay()
}
}
对于Swift 5
func setup_recorder()
{
if isAudioRecordingGranted
{
let session = AVAudioSession.sharedInstance()
do
{
try session.setCategory(.playAndRecord, mode: .default)
try session.setActive(true)
let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 44100,
AVNumberOfChannelsKey: 2,
AVEncoderAudioQualityKey:AVAudioQuality.high.rawValue
]
audioRecorder = try AVAudioRecorder(url: getFileUrl(), settings: settings)
audioRecorder.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder.prepareToRecord()
}
catch let error {
display_alert(msg_title: "Error", msg_desc: error.localizedDescription, action_title: "OK")
}
}
else
{
display_alert(msg_title: "Error", msg_desc: "Don't have access to use your microphone.", action_title: "OK")
}
嘿-测试完这段代码后,我在完整路径行上得到“stringByAppendingPathComponent不可用,请尝试URLByAppendingPathComponent”,但是这不起作用,因为完整路径的类型没有这样的方法。@LiamShalon您确定正确设置了documentsDirectory
var吗?如果设置不正确,那么stringByAppendingPathComponent
将不存在。当苹果发布swift 2.0时,一些字符串扩展消失了。检查此链接以手动创建扩展:嘿,我认为您应该在尝试之后添加self.audioRecorder.record()
!self.audioRecorder=AVAudioRecorder(URL:URL,settings:settings)
。此外,documentsDirectory不是字符串,因此您应该将(documentsDirectory作为NSString)。stringby…
对于swift 2和Xcode 7.2,这应该是正确的答案。谢谢。还有,如何通过电子邮件发送文件?文档应为(文档为NSString)。附加…
(var str声明代码)请更新您的代码。您可以为此添加暂停和继续功能吗?您好@Mamta,请提交一个新问题?所以我可以回答这个问题,因为我需要使用不同的代理来播放带有播放、暂停和停止功能的音频。我希望你能理解。本页仅用于录音。请在这里给出问题的URL。谢谢-mriaz0011@mriaz0011:此代码是否录制实时流音频或输出音频?您能否在此添加暂停和继续功能?@Mamta只要我有时间,我一定会这样做。欢迎@Raja请记住接受我的回答,快乐编码@米莉,是的。问题的所有者只能接受您的答案。虽然我不知道你的回答。再次感谢。@MiliShah-wow-Mili。。解释得很好。。。!您何时实现Mamta要求的功能?等待它。我这边的投票。可以将你的代码用于商业应用程序吗?(或者我可以通过查看您的代码来创建自己的代码)现在我也在编写这段代码,并尽快上传到git存储库。这个包装类是为我的应用程序和其他人创建的,所以我上传了public。如果你创造了好的,那就和我分享,这样我也可以帮助你编写代码