@Override
protected void onDestroy() {
super.onDestroy();
// 退出时释放连接
mSpeechUnderstander.cancel();
mSpeechUnderstander.destroy();
if (mTextUnderstander.isUnderstanding()) mTextUnderstander.cancel();
mTextUnderstander.destroy();
}
@Override
public void onClick(View view) {
switch (view.getId()) {
// 进入参数设置页面
case R.id.image_understander_set:
Intent intent = new Intent(UnderstanderDemo.this, UnderstanderSettings.class);
startActivity(intent);
break;
// 开始文本理解
case R.id.text_understander:
mUnderstanderText.setText("");
String text = "合肥明天的天气怎么样？";
showTip(text);
if (mTextUnderstander.isUnderstanding()) {
mTextUnderstander.cancel();
showTip("取消");
} else {
ret = mTextUnderstander.understandText(text, textListener);
if (ret != 0) {
showTip("语义理解失败,错误码:" + ret);
}
}
break;
// 开始语音理解
case R.id.start_understander:
mUnderstanderText.setText("");
// 设置参数
setParam();
if (mSpeechUnderstander.isUnderstanding()) { // 开始前检查状态
mSpeechUnderstander.stopUnderstanding();
showTip("停止录音");
} else {
ret = mSpeechUnderstander.startUnderstanding(mRecognizerListener);
if (ret != 0) {
showTip("语义理解失败,错误码:" + ret);
} else {
showTip(getString(R.string.text_begin));
}
}
break;
// 停止语音理解
case R.id.understander_stop:
mSpeechUnderstander.stopUnderstanding();
showTip("停止语义理解");
break;
// 取消语音理解
case R.id.understander_cancel:
mSpeechUnderstander.cancel();
showTip("取消语义理解");
break;
default:
break;
}
}
/**
* 参数设置
*
* @param param
* @return
*/
public void setParam() {
String lag = mSharedPreferences.getString("understander_language_preference", "mandarin");
if (lag.equals("en_us")) {
// 设置语言
mSpeechUnderstander.setParameter(SpeechConstant.LANGUAGE, "en_us");
} else {
// 设置语言
mSpeechUnderstander.setParameter(SpeechConstant.LANGUAGE, "zh_cn");
// 设置语言区域
mSpeechUnderstander.setParameter(SpeechConstant.ACCENT, lag);
}
// 设置语音前端点
mSpeechUnderstander.setParameter(
SpeechConstant.VAD_BOS,
mSharedPreferences.getString("understander_vadbos_preference", "4000"));
// 设置语音后端点
mSpeechUnderstander.setParameter(
SpeechConstant.VAD_EOS,
mSharedPreferences.getString("understander_vadeos_preference", "1000"));
// 设置标点符号
mSpeechUnderstander.setParameter(
SpeechConstant.ASR_PTT, mSharedPreferences.getString("understander_punc_preference", "1"));
// 设置音频保存路径
mSpeechUnderstander.setParameter(
SpeechConstant.ASR_AUDIO_PATH,
Environment.getExternalStorageDirectory() + "/iflytek/wavaudio.pcm");
}
public static void init(Context context) {
m_instance = new XFSpeechUnderstander();
m_ctx = context;
m_understander = SpeechUnderstander.createUnderstander(context, initListener);
m_understander.setParameter(SpeechConstant.LANGUAGE, "zh_cn");
// 设置语音前端点:静音超时时间，即用户多长时间不说话则当做超时处理
m_understander.setParameter(SpeechConstant.VAD_BOS, "10000");
// 设置语音后端点:后端点静音检测时间，即用户停止说话多长时间内即认为不再输入， 自动停止录音
m_understander.setParameter(SpeechConstant.VAD_EOS, "2000");
// 设置标点符号，默认：1（有标点）
m_understander.setParameter(SpeechConstant.ASR_PTT, "0");
// 设置音频保存路径，保存音频格式支持pcm、wav，设置路径为sd卡请注意WRITE_EXTERNAL_STORAGE权限
// 注：AUDIO_FORMAT参数语记需要更新版本才能生效
// m_understander.setParameter(SpeechConstant.AUDIO_FORMAT, "wav");
// m_understander.setParameter(SpeechConstant.ASR_AUDIO_PATH,
// Environment.getExternalStorageDirectory() + "/msc/sud.wav");
}
@SuppressLint("ShowToast")
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.understander);
initLayout();
// 初始化对象
mSpeechUnderstander =
SpeechUnderstander.createUnderstander(UnderstanderDemo.this, speechUnderstanderListener);
mTextUnderstander =
TextUnderstander.createTextUnderstander(UnderstanderDemo.this, textUnderstanderListener);
mToast = Toast.makeText(UnderstanderDemo.this, "", Toast.LENGTH_SHORT);
}
public boolean is_starting() {
return m_understander.isUnderstanding();
}
public void destroy() {
m_understander.destroy();
}
public void cancel() {
m_understander.cancel();
}
public void stop() {
if (m_understander.isUnderstanding()) m_understander.stopUnderstanding();
}
public void start(XFUnderstanderListener listener) {
if (!m_understander.isUnderstanding()) m_understander.startUnderstanding(listener);
}