android 项目学习随笔二十一（IM、语音识别、机器人、统计、扫描二维码、条形码）
语音识别：科大讯飞语音云 http://www.xfyun.cn/
语音机器人模拟
public class TalkBean { public String text; public boolean isAsk;// true表示提问,false是回答 public int imageId = -1;// 回答的图片id public TalkBean(String text, boolean isAsk, int imageId) { this.text = text; this.isAsk = isAsk; this.imageId = imageId; } }
import java.util.ArrayList; /** * 语音对象封装 * */ public class VoiceBean { public ArrayList<WSBean> ws; public class WSBean { public ArrayList<CWBean> cw; } public class CWBean { public String w; } }
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.mysiri66.VoiceBean.WSBean; import com.umeng.analytics.MobclickAgent; public class MainActivity extends Activity { private ListView lvList; StringBuffer mBuffer = new StringBuffer(); private String[] mAnswers = new String[] { "这张怎么样?", "约吗?", "老地方见!", "不要再要美女了", "最后一张了" }; private int[] mAnswerPics = new int[] { R.drawable.p1, R.drawable.p2, R.drawable.p3, R.drawable.p4 }; private ArrayList<TalkBean> mTalkList = new ArrayList<TalkBean>();// 会话集合 private MyAdapter mAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 初始化语音识别 SpeechUtility.createUtility(this, SpeechConstant.APPID + "=55cfe490"); setContentView(R.layout.activity_main); lvList = (ListView) findViewById(R.id.lv_list); mAdapter = new MyAdapter(); lvList.setAdapter(mAdapter); } // 开始识别 public void startRecognize(View view) { // 1.创建RecognizerDialog对象 RecognizerDialog mDialog = new RecognizerDialog(this, null); // 2.设置accent、language等参数 mDialog.setParameter(SpeechConstant.LANGUAGE, "zh_cn"); mDialog.setParameter(SpeechConstant.ACCENT, "mandarin"); // 3.设置回调接口 mDialog.setListener(new RecognizerDialogListener() { @Override public void onResult(RecognizerResult results, boolean isLast) { System.out.println("isLast:" + isLast); String parseResult = parseData(results.getResultString()); mBuffer.append(parseResult); if (isLast) { // 会话已经结束 String finalResult = mBuffer.toString(); System.out.println("最终结果:" + finalResult); mBuffer = new StringBuffer();// 此方法相当于清空buffer // 提问对象 TalkBean askBean = new TalkBean(finalResult, true, -1); mTalkList.add(askBean); Random random = new Random(); // 回答对象 String answer = "没听清"; int imageId = -1; if (finalResult.contains("你好")) { answer = "你好呀!"; } else if (finalResult.contains("你是谁")) { answer = "我是你的小助手!"; } else if (finalResult.contains("天王盖地虎")) { answer = "小鸡炖蘑菇"; imageId = R.drawable.m; } else if (finalResult.contains("美女")) { // 取随机内容和随机图片 int strId = random.nextInt(mAnswers.length); answer = mAnswers[strId]; imageId = mAnswerPics[random .nextInt(mAnswerPics.length)]; } // 回答对象 TalkBean answerBean = new TalkBean(answer, false, imageId); mTalkList.add(answerBean); mAdapter.notifyDataSetChanged(); lvList.setSelection(mTalkList.size() - 1); startSpeak(answer); } } @Override public void onError(SpeechError arg0) { } }); // 4.显示dialog，接收语音输入 mDialog.show(); } /** * 解析语音json * * @param resultString * @return */ protected String parseData(String resultString) { Gson gson = new Gson(); VoiceBean voiceBean = gson.fromJson(resultString, VoiceBean.class); StringBuffer sb = new StringBuffer(); ArrayList<WSBean> ws = voiceBean.ws; for (WSBean wsBean : ws) { String word = wsBean.cw.get(0).w; sb.append(word); } return sb.toString(); } // 语音合成 public void startSpeak(String text) { // 1.创建SpeechSynthesizer对象, 第二个参数：本地合成时传InitListener SpeechSynthesizer mTts = SpeechSynthesizer .createSynthesizer(this, null); // 2.合成参数设置，详见《科大讯飞MSC API手册(Android)》SpeechSynthesizer 类 // 设置发音人（更多在线发音人，用户可参见 附录12.2 mTts.setParameter(SpeechConstant.VOICE_NAME, "xiaoyan"); // 设置发音人 mTts.setParameter(SpeechConstant.SPEED, "50");// 设置语速 mTts.setParameter(SpeechConstant.VOLUME, "80");// 设置音量，范围0~100 mTts.setParameter(SpeechConstant.ENGINE_TYPE, SpeechConstant.TYPE_CLOUD); // 设置云端 // mTts.setParameter(SpeechConstant.TTS_AUDIO_PATH, // "./sdcard/iflytek.pcm"); // 3.开始合成 mTts.startSpeaking(text, null); } class MyAdapter extends BaseAdapter { @Override public int getCount() { return mTalkList.size(); } @Override public TalkBean getItem(int position) { return mTalkList.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { convertView = View.inflate(getApplicationContext(), R.layout.list_item, null); holder = new ViewHolder(); holder.tvAsk = (TextView) convertView.findViewById(R.id.tv_ask); holder.tvAnswer = (TextView) convertView .findViewById(R.id.tv_answer); holder.ivPic = (ImageView) convertView .findViewById(R.id.iv_pic); holder.llAnswer = (LinearLayout) convertView .findViewById(R.id.ll_answer); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } TalkBean item = getItem(position); if (item.isAsk) { holder.tvAsk.setVisibility(View.VISIBLE); holder.llAnswer.setVisibility(View.GONE); holder.tvAsk.setText(item.text); } else { holder.tvAsk.setVisibility(View.GONE); holder.llAnswer.setVisibility(View.VISIBLE); holder.tvAnswer.setText(item.text); if (item.imageId > 0) {// 回答内容有图片 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 ImageView ivPic; public LinearLayout llAnswer; } // 友盟统计 public void onResume() { super.onResume(); MobclickAgent.onResume(this); } // 友盟统计 public void onPause() { super.onPause(); MobclickAgent.onPause(this); } }
<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="match_parent" android:divider="@null" android:layout_height="0dp" 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:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/btn_selector" android:onClick="startRecognize" android:text="点击开始语音识别" /> </LinearLayout> </LinearLayout>
<?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" android:padding="5dp" > <TextView android:id="@+id/tv_ask" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:background="@drawable/asker_bubble" android:gravity="center" android:padding="3dp" android:textColor="#000" android:textSize="18sp" /> <LinearLayout android:id="@+id/ll_answer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_below="@+id/tv_ask" android:layout_marginTop="10dp" android:background="@drawable/answer_bubble" android:orientation="vertical" android:padding="3dp" > <TextView android:id="@+id/tv_answer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:textColor="#000" android:textSize="18sp" /> <ImageView android:id="@+id/iv_pic" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> </RelativeLayout>
二维码、条形码扫描：https://github.com/ 搜索 zxing
