Android Open Source - MathApp Activity Game Base

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From Project

Back to project page MathApp.

License

The source code is released under:

MIT License

Java Source Code

package ie.lc.mathApp;
//from   w w  w .  j  a  va  2 s  .c  om
import ie.lc.R;
import java.text.DecimalFormat;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.*;





public abstract class ActivityGameBase extends ActivityCommonMenu
{
  protected void onCreate( Bundle savedInstanceState, int layoutID ) {
    super.onCreate( savedInstanceState );
    setContentView( layoutID );
    initialise();
  }
  
  
  
  
  
  protected void onResume() {
    super.onResume();
    Score.load();
  }
  
  
  
  
  
  /**
   * Called directly after onCreate.
   */
  protected void initialise() {
    setupGameActions();
    setupNavActions();
    gameReset();
  }
  
  
  
  
  
  /**
   * Configure components used in the main game.
   * Called first in initialise()
   */
  protected abstract void setupGameActions();
  
  
  
  
  
  /**
   * Configure components used to navigate between activities.
   * Called in initialise()
   */
  protected abstract void setupNavActions();
  
  
  
  
  
  /**
   * Reset the game state.
   * Called in initialise() and onAnswer().
   */
  protected abstract void gameReset();
  
  
  
  
  
  /**
   * Evaluates whether answer is correct.  Used by onAnswer().
   */
  protected abstract boolean isAnswerCorrect();
  
  
  
  
  
  /**
   * Configure the common answer field.
   * Not called automatically.  Do it in setupGameActions().
   */
  protected void setupAnswerActions( int fieldID, int buttID ) {
    final EditText fieldAnswer  = (EditText) findViewById( fieldID );
    final Button   buttAnswer   = (Button)   findViewById( buttID  );
    
    
    fieldAnswer.addTextChangedListener( new TextWatcherAdapter() {
      public void afterTextChanged( Editable ed ) {
        buttAnswer.setClickable( (ed.length() > 0) );
      };
    });
    
    
    buttAnswer.setClickable( false );
    buttAnswer.setOnClickListener( new OnClickListener() {
      public void onClick( View v ) {
        onAnswer();
      }
    });
  }
  
  
  
  
  
  /**
   * Configure common nav parameters by specifiying resources and activity classes.
   * Not called automatically.
   */
  protected void setupNavActions( int buttIdLeft,  final Class<? extends ActivityGameBase> typeLeft,
                  int buttIdRight, final Class<? extends ActivityGameBase> typeRight ) {
    Button buttLeft  = (Button) findViewById( buttIdLeft  );
    Button buttRight = (Button) findViewById( buttIdRight );
    
    
    buttLeft.setOnClickListener( new OnClickListener() {
      public void onClick( View v ) {
        Intent intent = new Intent( ActivityGameBase.this, typeLeft );
        startActivity( intent );
      }
    });
    
    
    buttRight.setOnClickListener( new OnClickListener() {
      public void onClick( View v ) {
        Intent intent = new Intent( ActivityGameBase.this, typeRight );
        startActivity( intent );
      }
    });
  }
  
  
  
  
  
  /**
   * Handles text notification, scoring and game reset.
   * Should be called in response to the answer button.
   */
  protected void onAnswer() {
    if (isAnswerCorrect()) {
      showToastMessage( "Right! :D" );
      Score.onCorrectAnswer();
      generateScoreNotification();
    }
    else {
      showToastMessage( "Wrong :(" );
      Score.onWrongAnswer();
    }
    
    gameReset();
  }
  
  
  
  
  
  /**
   * Notify user when they have a score that's a multiple of ten. 
   */
  private void generateScoreNotification() {
    int suc = Score.getSuccesses();
    int mod = suc % 10;
    
    if (suc <  0
    ||  mod != 0)
      return;
    
    String title = "MathApp Score";
    String text  = "MathApp score reached " + suc + " points!";
    
    Intent        onTrigger = new Intent( this, ActivityScore.class );
    PendingIntent pending   = PendingIntent.getActivity( this, 0, onTrigger, Intent.FLAG_ACTIVITY_NEW_TASK );
    
    int    nResID = R.drawable.ic_launcher;
    String nText  = title;
    long   nTime  = System.currentTimeMillis();
    
    Notification notification = new Notification( nResID, nText, nTime );
    notification.flags |= Notification.FLAG_AUTO_CANCEL;
    notification.setLatestEventInfo( this, title, text, pending );
    
    NotificationManager manager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE );
    manager.notify( 0, notification );
  }
  
  
  
  
  
  /**
   * Format as appropriate for the app.
   */
  protected String formatDecimal( double num ) {
    DecimalFormat f = new DecimalFormat( "0.00" );
    return f.format( num );
  }
}

Java Source Code List

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