使用Swift以编程方式打开iPhone上的发言屏幕可以通过以下步骤实现:
import Speech
SFSpeechRecognizer.requestAuthorization { (authStatus) in
if authStatus == .authorized {
// 用户已授权,可以进行语音识别
}
}
let speechRecognizer = SFSpeechRecognizer(locale: Locale(identifier: "zh-CN"))
let recognitionRequest = SFSpeechAudioBufferRecognitionRequest()
let audioEngine = AVAudioEngine()
let inputNode = audioEngine.inputNode
let recordingFormat = inputNode.outputFormat(forBus: 0)
inputNode.installTap(onBus: 0, bufferSize: 1024, format: recordingFormat) { (buffer, time) in
recognitionRequest.append(buffer)
}
audioEngine.prepare()
try audioEngine.start()
let recognitionTask = speechRecognizer?.recognitionTask(with: recognitionRequest, resultHandler: { (result, error) in
if let result = result {
// 处理语音识别结果
let transcription = result.bestTranscription.formattedString
print(transcription)
} else if let error = error {
// 处理错误
print(error.localizedDescription)
}
})
audioEngine.stop()
inputNode.removeTap(onBus: 0)
recognitionRequest.endAudio()
recognitionTask?.cancel()
以上是使用Swift以编程方式打开iPhone上的发言屏幕的基本步骤。在实际应用中,可以根据具体需求进行功能扩展和优化。
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