I'm trying to make a simple voice recorder. I'm using Xcode-beta 7 and I've based my code off of these three sources.
I'm using the following code:
var recordSettings = [
AVFormatIDKey: kAudioFormatAppleIMA4,
AVLinearPCMIsBigEndianKey: 0,
AVLinearPCMIsFloatKey: 0,
AVNumberOfChannelsKey: 2,
AVSampleRateKey: 32000
]
var session = AVAudioSession.sharedInstance()
do{
try session.setCategory(AVAudioSessionCategoryPlayAndRecord)
recorder = AVAudioRecorder(URL: filePath, settings: recordSettings, error: nil)
}catch{
print("Error")
}
but it says that "Cannot find an initializer for type 'AVAudioRecorder' that accepts an argument list of type '(URL:NSURL?, settings:[String:AudioFormatID], error:nil)'"
Aren't my inputs exactly what the documentation asks for?
AVAudioRecorder does not need anymore the error parameter:
init(URL url: NSURL, settings settings: [String : AnyObject]) throws
Also, I needed to unwrap the filePath, as suggested in a previous answer:
func recordSound(){
let dirPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0] as String
let recordingName = "my_audio.wav"
let pathArray = [dirPath, recordingName]
let filePath = NSURL.fileURLWithPathComponents(pathArray)
let recordSettings = [AVEncoderAudioQualityKey: AVAudioQuality.Min.rawValue,
AVEncoderBitRateKey: 16,
AVNumberOfChannelsKey: 2,
AVSampleRateKey: 44100.0]
print(filePath)
let session = AVAudioSession.sharedInstance()
do {
try session.setCategory(AVAudioSessionCategoryPlayAndRecord)
audioRecorder = try AVAudioRecorder(URL: filePath!, settings: recordSettings as! [String : AnyObject])
} catch _ {
print("Error")
}
audioRecorder.delegate = self
audioRecorder.meteringEnabled = true
audioRecorder.prepareToRecord()
audioRecorder.record()
}
Your filePath is wrapped as an optionnal. You should check if isn't nil and unwrap it like this:
recorder = AVAudioRecorder(URL: filePath!, settings: recordSettings, error: nil)
And you need to pass an NSError pointer too:
var error: NSError?
recorder = AVAudioRecorder(URL: filePath!, settings: recordSettings, error: &error)
After that, if you have error in your settings dictionnay, try to transform all Tnt to NSNumber, because NSNumber is an Object, not Int. Example:
NSNumber(integer: kAudioFormatAppleIMA4)
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