Android语音识别
语音识别
- 科大讯飞 开放平台 http://open.voicecloud.cn/
需要拷贝lib、assets、并在清单文件中写一些权限
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 初始化语音引擎 SpeechUtility.createUtility( this , SpeechConstant.APPID + "=54b8bca3" ); } /** * 开始听写 * * @param view */ public void listen(View view) { // 1.创建SpeechRecognizer对象,第二个参数:本地听写时传InitListener SpeechRecognizer mIat = SpeechRecognizer.createRecognizer( this , null ); // 2.设置听写参数,详见《科大讯飞MSC API手册(Android)》SpeechConstant类 mIat.setParameter(SpeechConstant.DOMAIN, "iat" ); mIat.setParameter(SpeechConstant.LANGUAGE, "zh_cn" ); mIat.setParameter(SpeechConstant.ACCENT, "mandarin" ); // 开始听写 mIat.startListening(mRecoListener); } /** * 交互动画 * * @param view */ public void listenUI(View view) { RecognizerDialog iatDialog = new RecognizerDialog( this , mInitListener); // 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(); } /** * 语音朗诵 */ public void read(View view) { SpeechSynthesizer mTts = SpeechSynthesizer .createSynthesizer( this , null ); mTts.setParameter(SpeechConstant.VOICE_NAME, "vixm" ); mTts.setParameter(SpeechConstant.SPEED, "50" ); mTts.setParameter(SpeechConstant.VOLUME, "80" ); mTts.setParameter(SpeechConstant.ENGINE_TYPE, SpeechConstant.TYPE_CLOUD); mTts.startSpeaking( "床前明月光,地上鞋两双,床上狗男女,其中就有你! 你好啊?" , mSynthesizerListener); } private SynthesizerListener mSynthesizerListener = new SynthesizerListener() { @Override public void onSpeakResumed() { // TODO Auto-generated method stub } @Override public void onSpeakProgress( int arg0, int arg1, int arg2) { // TODO Auto-generated method stub } @Override public void onSpeakPaused() { // TODO Auto-generated method stub } @Override public void onSpeakBegin() { // TODO Auto-generated method stub } @Override public void onEvent( int arg0, int arg1, int arg2, Bundle arg3) { // TODO Auto-generated method stub } @Override public void onCompleted(SpeechError arg0) { // TODO Auto-generated method stub } @Override public void onBufferProgress( int arg0, int arg1, int arg2, String arg3) { // TODO Auto-generated method stub } }; private RecognizerDialogListener recognizerDialogListener = new RecognizerDialogListener() { @Override public void onResult(RecognizerResult results, boolean isLast) { System.out.println(results.getResultString()); System.out.println( "isLast=" + isLast); } @Override public void onError(SpeechError arg0) { } }; private InitListener mInitListener = new InitListener() { @Override public void onInit( int arg0) { } }; private RecognizerListener mRecoListener = new RecognizerListener() { /** * 语音识别结果 isLast=true表示会话结束 */ @Override public void onResult(RecognizerResult results, boolean isLast) { System.out.println(results.getResultString()); } @Override public void onBeginOfSpeech() { // TODO Auto-generated method stub } @Override public void onEndOfSpeech() { // TODO Auto-generated method stub } @Override public void onError(SpeechError arg0) { // TODO Auto-generated method stub } @Override public void onEvent( int arg0, int arg1, int arg2, Bundle arg3) { // TODO Auto-generated method stub } @Override public void onVolumeChanged( int arg0) { // TODO Auto-generated method stub } }; } |
聊天机器人
1.主布局
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | <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> |
2.子布局
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | <RelativeLayout xmlns:android= "http://schemas.android.com/apk/res/android" android:layout_width= "match_parent" android:layout_height= "match_parent" > <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:layout_margin= "5dp" android:background= "@drawable/asker_bubble" android:gravity= "center" android:text= "你吃饭了吗?" android:textColor= "#000" android:textSize= "16sp" /> <LinearLayout android:id= "@+id/ll_answer" android:layout_width= "wrap_content" android:layout_height= "wrap_content" android:layout_below= "@id/tv_ask" 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!" android:textColor= "#000" android:textSize= "16sp" /> <ImageView android:id= "@+id/iv_pic" android:layout_width= "wrap_content" android:layout_height= "wrap_content" android:src= "@drawable/m" android:visibility= "gone" /> </LinearLayout> </RelativeLayout> |
3.代码
聊天信息对象
1 2 3 4 5 6 7 8 9 10 | 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; } } |
语音信息封装类(需要解析json数据)
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public
class
VoiceBean {
public
ArrayList<WSBean> ws;
public
class
WSBean {
public
ArrayList<CWBean> cw;
}
public
class
CWBean {
public
String w;
}
}
mainactivity:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | public class MainActivity extends Activity { private ListView lvList; private ArrayList<ChatBean> mChatList = new ArrayList<ChatBean>(); 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(); 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); 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 * * @param view */ 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 ); 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); 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 != - 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 * * @param resultString */ protected String parseData(String resultString) { Gson gson = new Gson(); VoiceBean bean = gson.fromJson(resultString, VoiceBean. class ); 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(); } } |
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