Android Open Source - txt2sema4 txt2sema4 Main

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The source code is released under:

Copyright (c) 2010 Jonathan M. Altman Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the...

Java Source Code

/*
// Copyright (c) 2010 Jonathan M. Altman
// /*ww w .  ja  va  2s .c  om*/
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
*/
package io.async.txt2sema4;

import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Locale;

import android.app.Activity;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class txt2sema4Main extends Activity implements OnInitListener {
  private static final String TAG = "txt2sema4";
  private int ttsDataCheck = 42; // It's always 42, isn't it?
  protected boolean hasTTS = false;
  protected ConnectivityManager connectivity;
  protected TextView pronounce_output;
  protected EditText pronounce_input;
  protected TextToSpeech mTts = null;
  protected Spinner speedSpinner = null;
  protected Spinner localeSpinner = null;
  protected CheckBox shouldSay = null;
  public String lastSpoken = null;
  private final static HashMap<Character, String> letterDecodes = new HashMap<Character, String>() {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    {
       put('a', "alfa");
       put('b', "bravo");
       put('c', "charlie");
       put('d', "delta");
       put('e', "echo");
       put('f', "foxtrot");
       put('g', "golf");
       put('h', "hotel");
       put('i', "india");
       put('j', "juliett");
       put('k', "kilo");
       put('l', "lima");
       put('m', "mike");
       put('n', "november");
       put('o', "oscar");
       put('p', "papa");
       put('q', "quebec");
       put('r', "romeo");
       put('s', "sierra");
       put('t', "tango");
       put('u', "uniform");
       put('v', "victor");
       put('w', "whiskey");
       put('x', "xray");
       put('y', "yankee");
       put('z', "zulu");
       put('_', "underscore");
    }
  };

  private final static HashMap<String, java.util.Locale> locales = new HashMap<String, java.util.Locale>() {
            /**
             * 
             */
            private static final long serialVersionUID = 1L;

            {
                     put("American", Locale.ENGLISH);
                     put("British", Locale.UK);
                     put("French", Locale.FRENCH);
                     put("German", Locale.GERMAN);
                     put("Canada French", Locale.CANADA_FRENCH);
                   
            }
    };
  public enum SpeechSpeeds {
    SLOW, NORMAL, FAST;
  }
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setContentView(R.layout.main);
    
    speedSpinner = (Spinner) findViewById(R.id.Pronounce_speed_spinner);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
        this, R.array.speech_speeds_array, android.R.layout.simple_spinner_item);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    speedSpinner.setAdapter(adapter);
    // @TODO: this is tightly tied to the string list
    speedSpinner.setSelection(1);
    
    localeSpinner = (Spinner) findViewById(R.id.Locale_spinner);
                  ArrayAdapter<CharSequence> locale = ArrayAdapter.createFromResource(
                                  this, R.array.locales_array, android.R.layout.simple_spinner_item);
                  locale.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
          localeSpinner.setAdapter( locale );
          localeSpinner.setSelection(1);
          
    
    shouldSay = (CheckBox)findViewById(R.id.ShouldSpeak);

    View pronounce_button = findViewById(R.id.Pronounce_button);
    pronounce_button.setOnClickListener(mPronounceText);
    
    pronounce_output = (TextView)findViewById(R.id.Pronounce_output);
    pronounce_input = (EditText)findViewById(R.id.Pronounce_value);
    
    Intent intent = new Intent(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
    startActivityForResult(intent, ttsDataCheck);
  }
  
  @Override
  public void onDestroy() {
      mTts.shutdown();
      super.onDestroy();
  }
  
  protected void onActivityResult(int requestCode, int resultCode, Intent data)
  {
      if (requestCode == ttsDataCheck)
      {
        if (resultCode ==TextToSpeech.Engine.CHECK_VOICE_DATA_PASS)
        {
          Log.d(TAG, "TTS engine is installed");
          mTts = new TextToSpeech(this, this);
        }
        else
        {
          Log.d(TAG, "TTS engine not present");
           Toast toast = Toast.makeText(getApplicationContext(), R.string.ErrMsg_NoTTS, Toast.LENGTH_SHORT);
          toast.show();
          shouldSay.setClickable(false);
         }
      }
  }
  public String GetPronunciation(String source_text)
  {
    StringReader bar = new StringReader  (source_text.toLowerCase());
    StringBuffer pronounce_output = new StringBuffer();
    int curChar;
    try {
      while((curChar = bar.read()) != -1) {
        if (pronounce_output.length() > 0) { pronounce_output.append(' '); }
        String charDecode = txt2sema4Main.letterDecodes.get((char)curChar);
        pronounce_output.append(charDecode != null ? charDecode : (char)curChar);
      }      
    }
    catch (IOException e) {e.printStackTrace(); }
    
    return pronounce_output.toString();
    
   }
  
  public final Button.OnClickListener mPronounceText = new Button.OnClickListener() {
    public void onClick(View v) {
        
        String pronounce_response = "";
        String newSpoken = pronounce_input.getText().toString();
        
        pronounce_response = txt2sema4Main.this.GetPronunciation(newSpoken);
        txt2sema4Main.this.lastSpoken = newSpoken;
        pronounce_output.setText(pronounce_response.replace(" ", "\r\n"));
        
        if (shouldSay.isChecked())
        {
          String speech_speed_value = (String)speedSpinner.getSelectedItem();
          SpeechSpeeds speed_value = SpeechSpeeds.valueOf(speech_speed_value.toUpperCase());
          float tts_speed_value = (float) .75;
          switch(speed_value)
          {
            case SLOW:
              tts_speed_value = (float).5;
              break;
            case NORMAL:
              tts_speed_value = (float).75;
              break;
            case FAST:
              tts_speed_value = (float)1;
              break;
          }
          mTts.setSpeechRate(tts_speed_value);
          mTts.setLanguage( locales.get( localeSpinner.getSelectedItem() ));
          mTts.speak(pronounce_response, TextToSpeech.QUEUE_FLUSH, null);
        }
      }
    }
    ;
  @Override
  public void onInit(int status)
  {
    mTts.setLanguage(Locale.US);    
  }
  
  }

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