顾名思义,SpeechRecognizer.isRecognitionAvailable()
在 Android 11 中返回 false,我不确定为什么会这样,因为设备 (Pixel 3 XL) 配备了识别语音的功能。 documentation并不表示它在 API v30 中发生了变化。奇怪的是,即使isRecognitionAvailable
,我仍然成功得到STT提示。是假的。下面是说明这一点的示例代码。为什么 isRecognitionAvailable 检查总是假的?代码无论如何都不完整,但我添加了重要的相关部分:
AndroidManifest.xml
...
<uses-permission android:name="android.permission.RECORD_AUDIO" />
...
MainActivity.kt
...
override fun onCreate(savedInstanceState: Bundle?) {
...
if(ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
if(shouldShowRequestPermissionRationale(Manifest.permission.RECORD_AUDIO)) { //rationale prompt
}
val requestPermissionLauncher = registerForActivityResult(ActivityResultContracts.RequestPermission()
){ isGranted: Boolean ->
if(isGranted) { checkSTT() }
else { //error perms not granted
}
requestPermissionLauncher.launch(Manifest.permission.RECORD_AUDIO)
} else { checkSTT() }
}
private fun checkSTT() {
if(SpeechRecognizer.isRecognitionAvailable(this)) { runSTT() }
else { runSTT() //Run anyway because isRecognitionAvailable is always false and STT works anyway?
}
}
private fun runSTT() {
//Yes, I know this is deprecated
val sttIntent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH)
sttIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM)
sttIntent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.US)
startActivityForResult(sttIntent, 1)
}
...
最佳答案
我想出了解决方案。出于某种原因,从 API v30 开始,您必须将以下内容添加到 SpeechRecognizer.isRecognitionAvailable(Context)
的 list 文件中返回真。我的测试发现它仅在放置在 <application>
之外时才有效。标记,即使它提示“此处不允许元素查询”。添加 suppress AndroidElementNotAllowed
删除警告。
<!--suppress AndroidElementNotAllowed -->
<queries>
<intent>
<action android:name="android.speech.RecognitionService" />
</intent>
</queries>
<application...
关于android - SpeechRecognizer.isRecognitionAvailable() 在 Android 11 中始终为 false,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/64672910/