未创建Android TextToSpeech.synthesizeToFile()文件 [英] Android TextToSpeech.synthesizeToFile() file is not created
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问题描述
我正在尝试使用tts和MediaPlayer对某些文本实现暂停和播放功能.但是,我似乎无法使用synthesizeToFile函数创建.wav文件.
I am trying to implement a pause and play function to some text using tts and MediaPlayer. However, I can't seem to be able to create a .wav file using the synthesizeToFile function.
我已经将所需的权限添加到了xml文件中:
I already added the required permission to the xml file:
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
这是我当前正在使用的文件创建方法:
This is the file creation method I am currently using:
private String envPath = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/Download";
private Uri fileUri;
public void fileCreate() {
String inputText = output.getText().toString();
HashMap<String, String> myHashRender = new HashMap<String, String>();
myHashRender.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, inputText);
Log.d(TAG, "successfully created hashmap");
String destFileName = envPath + "/" + "tts_file.wav";
int sr = tts.synthesizeToFile(inputText, myHashRender, destFileName);
Log.d(TAG, "synthesize returns = " + sr);
File fileTTS = new File(destFileName);
if (fileTTS.exists()) {
Log.d(TAG, "successfully created fileTTS");
}
else {
Log.d(TAG, "failed while creating fileTTS");
}
fileUri = Uri.fromFile(fileTTS);
Log.d(TAG, "successfully created uri link: " + fileUri.getPath());
}
这是我创建mediaPlayer的方式:
This is how I create the mediaPlayer:
fileCreate();
mp = MediaPlayer.create(this, fileUri);
Log.d(TAG, "successfuly created mediaplayer");
btnRead.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
if (mp.isPlaying()) {
mp.pause();
Log.d(TAG, "successfully paused");
} else {
mp.start();
Log.d(TAG, "successfully started");
}
}
});
有什么想法吗?
推荐答案
方法synthesizeToFile
是异步的,因此您应该进行检查
The method synthesizeToFile
is asynchronous thus you should do the checking
File fileTTS = new File(destFileName);
if (fileTTS.exists()) {
Log.d(TAG, "successfully created fileTTS");
}
else {
Log.d(TAG, "failed while creating fileTTS");
}
onUtteranceCompletedListener
或UtteranceProgressListener
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