1. public class VoiceRecognition extends Activity implements OnClickListener {  
   
2.       
   
3.     private static final int VOICE_RECOGNITION_REQUEST_CODE = 1234;  
   
4.       
   
5.     private ListView mList;  
   
6.   
   
7.     /**  
   
8.      * Called with the activity is first created.  
   
9.      */
   
10.     @Override
    
11.     public void onCreate(Bundle savedInstanceState)   
    
12.     {  
    
13.         super.onCreate(savedInstanceState);  
    
14.   
    
15.         setContentView(R.layout.main);  
    
16.   
    
17.         Button speakButton = (Button) findViewById(R.id.btn_speak);  
    
18.            
    
19.         mList = (ListView) findViewById(R.id.list);  
    
20.   
    
21.         // Check to see if a recognition activity is present  
    
22.         PackageManager pm = getPackageManager();  
    
23.         List<ResolveInfo> activities = pm.queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);  
    
24.         if (activities.size() != 0)  
    
25.         {  
    
26.             speakButton.setOnClickListener(this);  
    
27.         }  
    
28.         else
    
29.         {  
    
30.             speakButton.setEnabled(false);  
    
31.             speakButton.setText("Recognizer not present");  
    
32.         }  
    
33.     }  
    
34.   
    
35.   
    
36.     public void onClick(View v)  
    
37.     {  
    
38.         if (v.getId() == R.id.btn_speak)  
    
39.         {  
    
40.             startVoiceRecognitionActivity();  
    
41.         }  
    
42.     }  
    
43.   
    
44.     private void startVoiceRecognitionActivity()  
    
45.     {  
    
46.         //通过Intent传递语音识别的模式  
    
47.         Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);  
    
48.         //语言模式和自由形式的语音识别  
    
49.         intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);  
    
50.         //提示语音开始  
    
51.         intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speech recognition demo");  
    
52.         //开始执行我们的Intent、语音识别  
    
53.         startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);  
    
54.     }  
    
55.   
    
56.   
    
57.     //当语音结束时的回调函数onActivityResult  
    
58.     @Override
    
59.     protected void onActivityResult(int requestCode, int resultCode, Intent data)  
    
60.     {  
    
61.         if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK)  
    
62.         {  
    
63.             // 取得语音的字符  
    
64.             ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);  
    
65.             mList.setAdapter(new ArrayAdapter<String>(this, Android.R.layout.simple_list_item_1, matches));  
    
66.         }  
    
67.   
    
68.         super.onActivityResult(requestCode, resultCode, data);  
    
69.     }  
    
70. }

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1. <?xml version="1.0" encoding="utf-8"?>
   
2. <LinearLayout xmlns:Android="http://schemas.android.com/apk/res/android"
   
3.     Android:orientation="vertical"
   
4.     Android:layout_width="fill_parent"
   
5.     Android:layout_height="fill_parent"
   
6.     >
   
7. <Button
   
8. Android:id="@+id/btn_speak"
   
9.     Android:layout_width="fill_parent"
   
10.     Android:layout_height="wrap_content"
    
11.     />
    
12.     <ListView
    
13.     Android:id="@+id/list"
    
14.     Android:layout_width="fill_parent"
    
15.     Android:layout_height="wrap_content"
    
16.     />
    
17. </LinearLayout>

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1. public class VoiceRecognition extends Activity implements OnClickListener {  
   
2.       
   
3.     private static final int VOICE_RECOGNITION_REQUEST_CODE = 1234;  
   
4.       
   
5.     private ListView mList;  
   
6.   
   
7.     /**  
   
8.      * Called with the activity is first created.  
   
9.      */
   
10.     @Override
    
11.     public void onCreate(Bundle savedInstanceState)   
    
12.     {  
    
13.         super.onCreate(savedInstanceState);  
    
14.   
    
15.         setContentView(R.layout.main);  
    
16.   
    
17.         Button speakButton = (Button) findViewById(R.id.btn_speak);  
    
18.            
    
19.         mList = (ListView) findViewById(R.id.list);  
    
20.   
    
21.         // Check to see if a recognition activity is present  
    
22.         PackageManager pm = getPackageManager();  
    
23.         List<ResolveInfo> activities = pm.queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);  
    
24.         if (activities.size() != 0)  
    
25.         {  
    
26.             speakButton.setOnClickListener(this);  
    
27.         }  
    
28.         else
    
29.         {  
    
30.             speakButton.setEnabled(false);  
    
31.             speakButton.setText("Recognizer not present");  
    
32.         }  
    
33.     }  
    
34.   
    
35.   
    
36.     public void onClick(View v)  
    
37.     {  
    
38.         if (v.getId() == R.id.btn_speak)  
    
39.         {  
    
40.             startVoiceRecognitionActivity();  
    
41.         }  
    
42.     }  
    
43.   
    
44.     private void startVoiceRecognitionActivity()  
    
45.     {  
    
46.         //通过Intent传递语音识别的模式  
    
47.         Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);  
    
48.         //语言模式和自由形式的语音识别  
    
49.         intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);  
    
50.         //提示语音开始  
    
51.         intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speech recognition demo");  
    
52.         //开始执行我们的Intent、语音识别  
    
53.         startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE);  
    
54.     }  
    
55.   
    
56.   
    
57.     //当语音结束时的回调函数onActivityResult  
    
58.     @Override
    
59.     protected void onActivityResult(int requestCode, int resultCode, Intent data)  
    
60.     {  
    
61.         if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK)  
    
62.         {  
    
63.             // 取得语音的字符  
    
64.             ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);  
    
65.             mList.setAdapter(new ArrayAdapter<String>(this, Android.R.layout.simple_list_item_1, matches));  
    
66.         }  
    
67.   
    
68.         super.onActivityResult(requestCode, resultCode, data);  
    
69.     }  
    
70. }

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1. <?xml version="1.0" encoding="utf-8"?>
   
2. <LinearLayout xmlns:Android="http://schemas.android.com/apk/res/android"
   
3.     Android:orientation="vertical"
   
4.     Android:layout_width="fill_parent"
   
5.     Android:layout_height="fill_parent"
   
6.     >
   
7. <Button
   
8. Android:id="@+id/btn_speak"
   
9.     Android:layout_width="fill_parent"
   
10.     Android:layout_height="wrap_content"
    
11.     />
    
12.     <ListView
    
13.     Android:id="@+id/list"
    
14.     Android:layout_width="fill_parent"
    
15.     Android:layout_height="wrap_content"
    
16.     />
    
17. </LinearLayout>

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