com.lexiscn.balabala.Echo.java Source code

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Here is the source code for com.lexiscn.balabala.Echo.java

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/*
   Licensed to the Apache Software Foundation (ASF) under one
   or more contributor license agreements.  See the NOTICE file
   distributed with this work for additional information
   regarding copyright ownership.  The ASF licenses this file
   to you under the Apache License, Version 2.0 (the
   "License"); you may not use this file except in compliance
   with the License.  You may obtain a copy of the License at
    
     http://www.apache.org/licenses/LICENSE-2.0
    
   Unless required by applicable law or agreed to in writing,
   software distributed under the License is distributed on an
   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   KIND, either express or implied.  See the License for the
   specific language governing permissions and limitations
   under the License.
*/
package com.lexiscn.balabala;

import java.util.TimeZone;

import android.widget.Toast;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CordovaInterface;
import org.json.JSONException;
import org.json.JSONObject;

import android.provider.Settings;
import android.os.Bundle;

import com.iflytek.cloud.SpeechConstant;
import com.iflytek.cloud.SpeechError;
import com.iflytek.cloud.SpeechUnderstander;
import com.iflytek.cloud.SpeechUnderstanderListener;
import com.iflytek.cloud.SpeechUtility;
import com.iflytek.cloud.UnderstanderResult;

public class Echo extends CordovaPlugin {

    public static String iflytekAPPID = "551384a9";

    SpeechUnderstander myRecognizerDialog;

    CallbackContext jsCallback;

    Toast tst;

    public Echo() {
    }

    private void toast(String text) {
        tst.cancel();
        tst.setText(text);
        tst.show();
    }

    @Override
    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
        super.initialize(cordova, webView);
        // your init code here
        tst = Toast.makeText(webView.getContext(), "This is a toast.", Toast.LENGTH_SHORT);

        toast("initialize");
        println("initialize");

        SpeechUtility.createUtility(this.webView.getContext(), SpeechConstant.APPID + "=" + iflytekAPPID);
    }

    private void understand() {
        //1.?
        myRecognizerDialog = SpeechUnderstander.createUnderstander(this.webView.getContext(), null);
        myRecognizerDialog.setParameter(SpeechConstant.DOMAIN, "iat");
        myRecognizerDialog.setParameter(SpeechConstant.RESULT_TYPE, "json");
        myRecognizerDialog.setParameter(SpeechConstant.NLP_VERSION, "2.0");
        myRecognizerDialog.setParameter(SpeechConstant.PARAMS, "sch=1");
        myRecognizerDialog.startUnderstanding(mUnderstanderListener);
    }

    // XmlParser??SpeechDemo
    private SpeechUnderstanderListener mUnderstanderListener = new SpeechUnderstanderListener() {
        public void onResult(UnderstanderResult result) {
            String text = result.getResultString();

            toast("text: " + text);
            println("text: " + text);

            JSONObject jsonObject = new JSONObject();
            try {
                jsonObject.put("action", "result");
                jsonObject.put("arg", text);
            } catch (JSONException e) {
                e.printStackTrace();
            }

            jsCallback.success(jsonObject);
        }

        // ???
        public void onError(SpeechError error) {
            toast("onError: " + error.getErrorDescription());
            println("onError: " + error.getErrorDescription());

            jsCallback.error("onError: " + error.getErrorDescription());
        }

        // 
        public void onBeginOfSpeech() {
            toast("On begin of speech");
            println("On begin of speech");
        }

        // ?0~30
        @SuppressWarnings("deprecation")
        public void onVolumeChanged(int volume) {
            println("On volume changed: " + volume);
            Echo.this.webView.sendJavascript("window.plugins.Balabala.volumeChanged(" + volume + ")");
        }

        // ?
        public void onEndOfSpeech() {
            toast("On end of speech");
            println("On end of speech");
        }

        // ?
        public void onEvent(int eventType, int arg1, int arg2, Bundle obj) {
        }
    };

    public boolean execute(String action, String arg, CallbackContext callbackContext) throws JSONException {
        jsCallback = callbackContext;
        if (action.equals("toast")) {
            this.toast(arg);
            callbackContext.success("called success");
        } else if (action.equals("understand")) {
            understand();
        } else {
            return false;
        }
        return true;
    }

    private void println(String str) {
        System.out.println(str);
    }
}