Android Open Source - Android-PiTrainer Memorize

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From Project

Back to project page Android-PiTrainer.

License

The source code is released under:

MIT License

Java Source Code

package captainhampton.pi.trainer;
/*from   w w  w  .  j a  va  2 s . c  o m*/
import java.util.Locale;

import captainhampton.pi.trainer.R;

import android.app.Activity;
import android.util.Log;
import android.view.View;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.widget.Button;
import android.widget.ScrollView;

public class Memorize extends Activity implements TextToSpeech.OnInitListener {

  String pi = "3.1415926535897932384626433832795028841971693993";

  
  ScrollView svPi; 
  Button bStartReading, bStopReading;
  
  TextToSpeech tts;
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.memorize);
        setupVariables();
    }
    
    private void setupVariables() {
      
      tts = new TextToSpeech(this,this);
      
      bStartReading = (Button)findViewById(R.id.bStartReading);
      bStartReading.setOnClickListener(new View.OnClickListener() {
      
      public void onClick(View v) {
          speakOut();
      }
    });
      
      bStopReading = (Button)findViewById(R.id.bStopReading);
      bStopReading.setOnClickListener(new View.OnClickListener() {
      
      public void onClick(View v) {
        tts.stop();
      }
    });

    }
    
    public void onDestroy() {
      if (tts != null) {
        tts.stop();
        tts.shutdown();
      }
      super.onDestroy();
    }
    
  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 {
        
        if (bStartReading.isPressed()) {
            bStartReading.setEnabled(true);
            speakOut();
        }
      }
    } else {
      Log.e("TTS", "Initialization failed!");
    }
    
  }

  
  private void speakOut() {
    tts.speak(pi, TextToSpeech.QUEUE_FLUSH, null);
  }

    // To save scroll position of ScrollView when orientation changes.
    protected void onSaveInstanceState(Bundle outState) {
      super.onSaveInstanceState(outState);
      outState.putIntArray("ARTICLE_SCROLL_POSITION", new int[] { svPi.getScrollX(), svPi.getScrollY() });
    }
    
    // To restore scroll position of ScrollView when orientation changes.
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
      super.onRestoreInstanceState(savedInstanceState);
      final int[] position = savedInstanceState.getIntArray("ARTICLE_SCROLL_POSITION");
      if (position != null)
        svPi.post(new Runnable() {
          public void run() {
            svPi.scrollTo(position[0], position[1]);
          }
      });
    }




}

Java Source Code List

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