TextToSpeech App。UIなしで呼び出す

Question

TextToSpeechクラスにUIがない場合、別のクラスからTextToSpeechクラスを呼び出す方法..アプリケーションでメインクラスが使用するレイアウトは1つだけです。アプリはANS

Answer 1

 //decleration 
    TextToSpeech talker; 
Button speakButton; 

//onCreate 
talker = new TextToSpeech(this, this); 
    speakButton=new Button(this); 

// Check to see if a recognition activity is present 
     PackageManager pm = getPackageManager(); 
     List<ResolveInfo> activities = pm.queryIntentActivities(
       new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0); 
     if (activities.size() != 0) { 
      speakButton.setOnClickListener(new OnClickListener() { 

      public void onClick(View v) { 
       // TODO Auto-generated method stub 
       startVoiceRecognitionActivity(); 
      } 
     }); 
     } else { 
      speakButton.setEnabled(false); 
      speakButton.setText("Recognizer not present"); 
     } 


/** 
    * Fire an intent to start the speech recognition activity. 
    */ 
    private void startVoiceRecognitionActivity() { 
     Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); 
     intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, 
       RecognizerIntent.LANGUAGE_MODEL_FREE_FORM); 
     intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speech recognition demo"); 
     startActivityForResult(intent, VOICE_RECOGNITION_REQUEST_CODE); 


    } 

/** 
    * Handle the results from the recognition activity. 
    */ 

    protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
     if (requestCode == VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK) { 
      // Fill the list view with the strings the recognizer thought it could have heard 
      ArrayList<String> matches = data.getStringArrayListExtra(
        RecognizerIntent.EXTRA_RESULTS); 

      // Toast.makeText(VoiceRecognition.this, matches.get(0), 5000).show(); 
     String device = "Bedroom"; 
      /* mList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, 
     matches));  
      */ 
      txt.setText(""+matches.get(0)); 
      String host = "http://web2.anzleads.com/Android/nimboPani/web-service.php?tmote="; 
      String userCommand = URLEncoder.encode(matches.get(0)); 
      String deviceSelected = "&org=" + device; 
      res = getServerResponse(host + userCommand + deviceSelected); 
      say(""+ res); 
      Toast.makeText(VoiceRecognition.this,res ,5000).show(); 


     } 

     super.onActivityResult(requestCode, resultCode, data); 
    } 


    public void say(String text2say){ 
        talker.speak(text2say, TextToSpeech.QUEUE_FLUSH, null); 
       } 


    public void onInit(int status) { 
     // TODO Auto-generated method stub 
    // say("Hello World"); 
    } 


      public void onDestroy() { 
      if (talker != null) { 
       talker.stop(); 
       talker.shutdown(); 
       } 

       super.onDestroy(); 
      } 
public String getServerResponse(String url) 
    { 
     String result = ""; 
     HttpClient hc = new DefaultHttpClient(); 
     HttpResponse hr ; 
     HttpGet hg = new HttpGet(url); 
     try 
     { 
      hr = hc.execute(hg); 
      if(hr.getStatusLine().getStatusCode() == 200) 
      { 
       HttpEntity he = hr.getEntity(); 
       if (he != null) 
       { 
        InputStream is = he.getContent(); 
         result = convertStreamToString(is); 
         is.close(); 

       } 
      } 
     } 



     catch (Exception e) { 
      // TODO: handle exception 
     } 

     return result; 

    } 


    private String convertStreamToString(InputStream instream) { 
     BufferedReader reader = new BufferedReader(new InputStreamReader(instream)); 
     StringBuilder sb = new StringBuilder(); 


     String line = null; 
     try { 
      while ((line = reader.readLine()) != null) { 
       sb.append(line + "\n"); 
      } 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } finally { 
      try { 
       instream.close(); 
      } catch (IOException e) { 
       e.printStackTrace(); 
      } 
     } 

     return sb.toString(); 

    } 

Answer 2

あなたはUIやテキスト読み上げを使用するための活動を持っている必要はありません。..状況に応じてユーザと対話話します。