Android Open Source - AndroidTextToSpeech Read Activity

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Back to project page AndroidTextToSpeech.

License

The source code is released under:

MIT License

Java Source Code

package com.knoxguru.texttospeech;
/*from w  ww. j av  a2 s . c  o  m*/
import java.util.HashMap;
import java.util.Locale;
import java.util.Random;
import java.util.Set;

import android.media.AudioManager;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.*;
import android.speech.tts.UtteranceProgressListener;
import android.util.Log;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.content.SharedPreferences;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;
import android.widget.Toast;
import android.os.PowerManager.WakeLock;


public class ReadActivity extends Activity implements OnInitListener {
  
  private TextToSpeech tts = null;
  private String txtText;
  WakeLock fullWakeLock;
  WakeLock partialWakeLock;
  public static final String PREFS_NAME = "ttsPrefsFile";
  SharedPreferences settings;
  boolean autoPlay = false;
  boolean playing = false;
  boolean btOn = true;


    
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_read);
    
        tts = new TextToSpeech(this, this);
        tts.setOnUtteranceProgressListener(new ttsUtteranceListener(this));
        
    if (savedInstanceState == null) {
        Bundle extras = getIntent().getExtras();
        if(extras == null) {
            txtText = null;
        } else {
            txtText = extras.getString("sms");
        }
    } else {
        txtText = (String) savedInstanceState.getSerializable("sms");
    }
    
    settings = getSharedPreferences(PREFS_NAME, 0);
    autoPlay = settings.getBoolean("AUTO_PLAY", false);
    btOn = settings.getBoolean("BT_ON", false);
    
    if (txtText == null || txtText == "")
        txtText = "Could not get message";

    TextView et = (TextView) findViewById(R.id.display_msg);
    et.setText(txtText);
    
    
    Button b = (Button) findViewById(R.id.play_btn);

    b.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        if (!playing)
          speakOut(txtText);
      }
    });
      
  }
    
  @Override
    public void onDestroy() {
        if (tts != null) {
            tts.stop();
            tts.shutdown();
        }
        super.onDestroy();
    }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    return true;
  }

  @Override
  public void onInit(int status) {
    
    if (status == TextToSpeech.SUCCESS) {
       
            int result = tts.setLanguage(Locale.US);
 
            if (result == TextToSpeech.LANG_MISSING_DATA
                    || result == TextToSpeech.LANG_NOT_SUPPORTED) {
                Log.e("TTS", "This Language is not supported");
            }  else {
              // we are ready to play if autoplay is set
              if (autoPlay == true) {
              Toast.makeText(getApplicationContext(), "Auto Play Activated", Toast.LENGTH_SHORT).show();
              speakOut(txtText);
            }  
            }
        } else {
          Toast.makeText(this, "TTS Initilization Failed!", Toast.LENGTH_LONG).show();
            Log.e("TTS", "Initilization Failed!");
        }
    
  }
  
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    
      if (playing || (keyCode != KeyEvent.KEYCODE_VOLUME_DOWN && keyCode != KeyEvent.KEYCODE_VOLUME_UP)) {
        return super.onKeyDown(keyCode, event);
      }
      
      speakOut(txtText);
      return true;
  }
  

  private void speakOut(String txt) {
    
    playing = true;
    if (txt.length() > 0) {  
      HashMap<String, String> map = new HashMap<String, String>();
      Random r = new Random();
      int i1 = r.nextInt(10000000);
      map.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, "UniqueID"+i1);
      
      // for bluetooth enabled devices
      if (btOn) {
        map.put(TextToSpeech.Engine.KEY_PARAM_STREAM, String.valueOf(AudioManager.STREAM_VOICE_CALL));
        map.put(TextToSpeech.Engine.KEY_PARAM_VOLUME, String.valueOf(1));
      }
      
      tts.speak(txt, TextToSpeech.QUEUE_FLUSH, map);
    }
    playing = false;
    
    }
  
  


  class ttsUtteranceListener extends UtteranceProgressListener {
    
    private ReadActivity ra;
    
    public ttsUtteranceListener(ReadActivity read) {
      ra = read;
    }
      @Override
      public void onDone(String utteranceId) {
        ra.finish();
      }

      @Override
      public void onError(String utteranceId) {
        ra.finish();
      }

      @Override
      public void onStart(String utteranceId) {
      }    
  }
  
}

Java Source Code List

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