安卓百度语音识别

Android 百度语音识别集成，非常简单
1.最近做一个语音识别的项目，网上找了个demo，很简单，直接调用这个类就可以，做个记录，方便以后用！

public class OnLineUtils implements EventListener {

private EventManager asr;private OnLineCallBack onLineCallBack;public OnLineUtils (Context context, OnLineCallBack onLineCallBack){    asr = EventManagerFactory.create(context,"asr");    asr.registerListener(this);    this.onLineCallBack = onLineCallBack;    initPermission(context);}/* * android 6.0 以上需要动态申请权限 */private void initPermission(Context context) {    String permissions[] = {Manifest.permission.RECORD_AUDIO,            Manifest.permission.ACCESS_NETWORK_STATE,            Manifest.permission.INTERNET,            Manifest.permission.READ_PHONE_STATE,            Manifest.permission.WRITE_EXTERNAL_STORAGE    };    ArrayList toApplyList = new ArrayList();    for (String perm : permissions) {        if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(context, perm)) {            toApplyList.add(perm);            // 进入到这里代表没有权限.        }    }    String tmpList[] = new String[toApplyList.size()];    if (!toApplyList.isEmpty()) {        ActivityCompat.requestPermissions((Activity) context, toApplyList.toArray(tmpList), 123);    }}@Overridepublic void onEvent(String name, String params, byte[] data, int offset, int length) {    if (params != null && !params.isEmpty()) {        if (name.equals(SpeechConstant.CALLBACK_EVENT_ASR_PARTIAL)) {            try {                JSONObject jsonObject = new JSONObject(params);                String resultType = jsonObject.getString("result_type");                if (resultType.equals("final_result")){                    String finalResult = jsonObject.getString("best_result");                    onLineCallBack.onSuccess(finalResult);                }            } catch (JSONException e) {                e.printStackTrace();            }        }    }}public interface OnLineCallBack{    void onSuccess(String result);}/** * 开始识别 */public void start(){    Map params = new LinkedHashMap<>();    String event = SpeechConstant.ASR_START;    params.put(SpeechConstant.ACCEPT_AUDIO_VOLUME,false);    String json = new JSONObject(params).toString();    asr.send(event,json,null,0,0);}/** * 停止识别 */public void stop() {    asr.send(SpeechConstant.ASR_STOP,null,null,0,0);}

}

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