android129 zhihuibeijing 聊天机器人

上屏幕界面activity_main.xml：

语音识别界面

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/lv_list"
        android:layout_width="wrap_content"
        android:layout_height="0dp"
        android:divider="@null"
        android:layout_weight="1" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/bottom_bar"
        android:gravity="center"
        android:orientation="vertical" >

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:background="@drawable/btn_selector"
            android:onClick="startListen"
            android:text="点击开始语音识别"
            android:textColor="#000"
            android:textSize="16sp" />
    </LinearLayout>

</LinearLayout>

 MainActivity:

package com.itheima.voicerobot;

import java.util.ArrayList;
import java.util.Random;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import com.google.gson.Gson;
import com.iflytek.cloud.RecognizerResult;
import com.iflytek.cloud.SpeechConstant;
import com.iflytek.cloud.SpeechError;
import com.iflytek.cloud.SpeechSynthesizer;
import com.iflytek.cloud.SpeechUtility;
import com.iflytek.cloud.ui.RecognizerDialog;
import com.iflytek.cloud.ui.RecognizerDialogListener;
import com.itheima.voicerobot.VoiceBean.CWBean;
import com.itheima.voicerobot.VoiceBean.WSBean;

public class MainActivity extends Activity {
    private ListView lvList;
    private ArrayList<ChatBean> mChatList = new ArrayList<ChatBean>();
    /*public class ChatBean {
        public String text;// 内容
        public boolean isAsker;// true表示提问者,否则是回答者
        public int imageId = -1;// 图片id
        public ChatBean(String text, boolean isAsker, int imageId) {
            this.text = text;
            this.isAsker = isAsker;
            this.imageId = imageId;
        }
    }*/
    private ChatAdapter mAdapter;
    private String[] mMMAnswers = new String[] { "约吗?", "讨厌!", "不要再要了!",
            "这是最后一张了!", "漂亮吧?" };
    private int[] mMMImageIDs = new int[] { R.drawable.p1, R.drawable.p2,
            R.drawable.p3, R.drawable.p4 };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        lvList = (ListView) findViewById(R.id.lv_list);
        mAdapter = new ChatAdapter();
        lvList.setAdapter(mAdapter);
        // 初始化语音引擎
        SpeechUtility.createUtility(this, SpeechConstant.APPID + "=54b8bca3");
    }

    StringBuffer mTextBuffer = new StringBuffer();
    //语音识别
    private RecognizerDialogListener recognizerDialogListener = new RecognizerDialogListener() {
        @Override
        public void onResult(RecognizerResult results, boolean isLast) {
            // System.out.println(results.getResultString());
            // System.out.println("isLast=" + isLast);
            String text = parseData(results.getResultString());
            mTextBuffer.append(text);
            if (isLast) {// 会话结束
                String finalText = mTextBuffer.toString();
                mTextBuffer = new StringBuffer();// 清理buffer
                System.out.println("最终结果:" + finalText);
                mChatList.add(new ChatBean(finalText, true, -1));
                String answer = "没听清";
                int imageId = -1;
                if (finalText.contains("你好")) {
                    answer = "大家好,才是真的好!";
                } else if (finalText.contains("你是谁")) {
                    answer = "我是你的小助手!";
                } else if (finalText.contains("天王盖地虎")) {
                    answer = "小鸡炖蘑菇";
                    imageId = R.drawable.m;
                } else if (finalText.contains("美女")) {
                    Random random = new Random();
                    int i = random.nextInt(mMMAnswers.length);//返回0，1，2，3
                    int j = random.nextInt(mMMImageIDs.length);
                    answer = mMMAnswers[i];
                    imageId = mMMImageIDs[j];
                }
                mChatList.add(new ChatBean(answer, false, imageId));// 添加回答数据
                mAdapter.notifyDataSetChanged();// 刷新listview
                lvList.setSelection(mChatList.size() - 1);// 定位到最后一张
                read(answer);
            }
        }
        @Override
        public void onError(SpeechError arg0) {
        }
    };

    /**
     * 语音朗诵
     */
    public void read(String text) {
        SpeechSynthesizer mTts = SpeechSynthesizer.createSynthesizer(this, null);
        mTts.setParameter(SpeechConstant.VOICE_NAME, "xiaoyan");
        mTts.setParameter(SpeechConstant.SPEED, "50");
        mTts.setParameter(SpeechConstant.VOLUME, "80");
        mTts.setParameter(SpeechConstant.ENGINE_TYPE, SpeechConstant.TYPE_CLOUD);
        mTts.startSpeaking(text, null);
    }

    /**
     * 开始语音识别，说完话之后开始识别。
     */
    public void startListen(View view) {
        RecognizerDialog iatDialog = new RecognizerDialog(this, null);
        // 2.设置听写参数，详见《科大讯飞MSC API手册(Android)》SpeechConstant类
        iatDialog.setParameter(SpeechConstant.DOMAIN, "iat");
        iatDialog.setParameter(SpeechConstant.LANGUAGE, "zh_cn");
        iatDialog.setParameter(SpeechConstant.ACCENT, "mandarin");
        iatDialog.setListener(recognizerDialogListener);
        iatDialog.show();
    }

    class ChatAdapter extends BaseAdapter {
        @Override
        public int getCount() {
            return mChatList.size();
        }
        @Override
        public ChatBean getItem(int position) {
            return mChatList.get(position);
        }
        @Override
        public long getItemId(int position) {
            return position;
        }
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder holder;
            if (convertView == null) {
                holder = new ViewHolder();
                convertView = View.inflate(MainActivity.this,R.layout.list_item, null);
                //list_item.xml
                /*<?xml version="1.0" encoding="utf-8"?>
                <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent" >
                    
                    提问的文本框
                    <TextView
                        android:id="@+id/tv_ask"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_alignParentRight="true"        居右
                        android:layout_alignParentTop="true"
                        android:layout_margin="5dp"
                        android:background="@drawable/asker_bubble"   气泡图片
                        android:gravity="center"
                        android:text="你吃饭了吗?"
                        android:textColor="#000"
                        android:textSize="16sp" />
                 
                    回答的文本框
                    <LinearLayout
                        android:id="@+id/ll_answer"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_below="@id/tv_ask"            回答的内容在提问的下面
                        android:layout_margin="5dp"
                        android:background="@drawable/answer_bubble"
                        android:orientation="vertical" >
                        <TextView
                            android:id="@+id/tv_answer"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_margin="5dp"
                            android:text="吃个毛线啊!"                回答的内容
                            android:textColor="#000"
                            android:textSize="16sp" />
                        <ImageView
                            android:id="@+id/iv_pic"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"     回答时携带的图片
                            android:src="@drawable/m"
                            android:visibility="gone" />
                    </LinearLayout>
                </RelativeLayout>*/
                holder.tvAsk = (TextView) convertView.findViewById(R.id.tv_ask);
                holder.tvAnswer = (TextView) convertView.findViewById(R.id.tv_answer);
                holder.llAnswer = (LinearLayout) convertView.findViewById(R.id.ll_answer);
                holder.ivPic = (ImageView) convertView.findViewById(R.id.iv_pic);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            ChatBean item = getItem(position);

            if (item.isAsker) {// 是提问者
                holder.tvAsk.setVisibility(View.VISIBLE);//问题显示
                holder.llAnswer.setVisibility(View.GONE);//回答隐藏
                holder.tvAsk.setText(item.text);
            } else {
                holder.tvAsk.setVisibility(View.GONE);
                holder.llAnswer.setVisibility(View.VISIBLE);
                holder.tvAnswer.setText(item.text);
                if (item.imageId != -1) {// 有图片
                    holder.ivPic.setVisibility(View.VISIBLE);
                    holder.ivPic.setImageResource(item.imageId);
                } else {
                    holder.ivPic.setVisibility(View.GONE);
                }
            }
            return convertView;
        }
    }

    static class ViewHolder {
        public TextView tvAsk;
        public TextView tvAnswer;
        public LinearLayout llAnswer;
        public ImageView ivPic;
    }

    /**
     * 解析语音数据
     */
    protected String parseData(String resultString) {
        Gson gson = new Gson();
        VoiceBean bean = gson.fromJson(resultString, VoiceBean.class);
        /*
         * 语音信息封装
         *
        public class VoiceBean {
            public ArrayList<WSBean> ws;
            public class WSBean {
                public ArrayList<CWBean> cw;
            }
            public class CWBean {
                public String w;
            }
        }*/
        ArrayList<WSBean> ws = bean.ws;
        StringBuffer sb = new StringBuffer();
        for (WSBean wsBean : ws) {
            String text = wsBean.cw.get(0).w;
            sb.append(text);
        }
        return sb.toString();
    }
}

json格式数据：

清单文件:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.itheima.voicerobot"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />

    <!-- 连接网络权限，用于执行云端语音能力 -->
    <uses-permission android:name="android.permission.INTERNET" />
    <!-- 获取手机录音机使用权限，听写、识别、语义理解需要用到此权限 -->
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <!-- 读取网络信息状态 -->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <!-- 获取当前wifi状态 -->
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <!-- 允许程序改变网络连接状态 -->
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
    <!-- 读取手机信息权限 -->
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <!-- 读取联系人权限，上传联系人需要用到此权限 -->
    <uses-permission android:name="android.permission.READ_CONTACTS" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.itheima.voicerobot.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>