gaelfoppolo

import Speech
import UIKit
public class ViewController: UIViewController, SFSpeechRecognizerDelegate {}

gaelfoppolo

private func askForSpeechRecognitionPermissions() {
    SFSpeechRecognizer.requestAuthorization { authStatus in
            
    	var enabled: Bool = false
        var message: String?
            
        switch authStatus {
                
            case .authorized:
        	    enabled = true

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private var speechRecognizer: SFSpeechRecognizer!
private var recognitionTask: SFSpeechRecognitionTask?

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speechRecognizer = SFSpeechRecognizer(locale: Locale.init(identifier: "en-US"))!
speechRecognizer.delegate = self

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public func speechRecognizer(_ speechRecognizer: SFSpeechRecognizer, availabilityDidChange available: Bool) {
	if available {
    	// e.g. enable record button
    } else {
       // e.g. disable record button
    }
}

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private var recognitionRequest: SFSpeechAudioBufferRecognitionRequest?
private let audioEngine = AVAudioEngine()

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private func startRecording() throws {
        // 1
        if let recognitionTask = self.recognitionTask {
            recognitionTask.cancel()
            self.recognitionTask = nil
        }
        
        // 2
        let audioSession = AVAudioSession.sharedInstance()
        try audioSession.setCategory(AVAudioSessionCategoryRecord)

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@IBAction func recordButtonTapped() {
    if audioEngine.isRunning {
        audioEngine.stop()
        recognitionRequest?.endAudio()
        recordButton.isEnabled = false
    } else {
        try! startRecording()
    }
}

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private var recognitionRequest: SFSpeechURLRecognitionRequest?

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private func startRecording() throws {
    
    if let recognitionTask = recognitionTask {
        recognitionTask.cancel()
        self.recognitionTask = nil
    }
    let path = Bundle.main.path(forResource: "your-file", ofType: "mp3")
    if let path = path {
        let url = URL(fileURLWithPath: path)
        recognitionRequest = SFSpeechURLRecognitionRequest(url: url)