Android Open Source - MathApp Activity Common Menu

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Back to project page MathApp.

License

The source code is released under:

MIT License

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Java Source Code

package ie.lc.mathApp;
//from   w  w  w. ja  va 2 s .  c o m
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.view.*;
import android.widget.Toast;





public abstract class ActivityCommonMenu extends Activity
{
  private static final int MENU_GROUP_SCORE = 0;
  private static final int MENU_GROUP_OTHER = 1;
  
  private static final int MENU_SCORE_VIEW  = 0;
  private static final int MENU_SCORE_RESET = 1;
  private static final int MENU_WEBSITE     = 2;
  private static final int MENU_RANDOM      = 3;
  
  
  
  
  
  public boolean onCreateOptionsMenu( Menu menu ) {
    menu.add( MENU_GROUP_SCORE, MENU_SCORE_VIEW,  0, "View score"      );
    menu.add( MENU_GROUP_SCORE, MENU_SCORE_RESET, 0, "Reset score"     );
    menu.add( MENU_GROUP_OTHER, MENU_WEBSITE,     0, "Wolfram Alpha"   );
    menu.add( MENU_GROUP_OTHER, MENU_RANDOM,      0, "Random activity" );
    
    return true;
  }
  
  
  
  
  
  public boolean onOptionsItemSelected( MenuItem item ) {
    switch (item.getItemId()) {
      case MENU_SCORE_VIEW :  menuShowScore();            break;
      case MENU_SCORE_RESET:  menuResetScore();           break;
      case MENU_WEBSITE    :  menuShowWebsite();          break;
      case MENU_RANDOM     :  menuShowRandomActivity();   break;
    }
    
    return true;
  }
  
  
  
  
  
  /**
   * Shows a fancy message.
   * @param str
   */
  protected void showToastMessage( String str ) {
    Toast.makeText( this, str, Toast.LENGTH_SHORT ).show();
  }
  
  
  
  
  
  protected void menuResetScore() {
    showToastMessage( "Score reset." );
    Score.reset();
  }





  protected void menuShowScore() {
    Intent intent = new Intent( this, ActivityScore.class );
    startActivity( intent );
  }
  
  
  
  
  
  protected void menuShowWebsite() {
    Intent intent = new Intent( Intent.ACTION_VIEW, Uri.parse("http://wolframalpha.com") );
    startActivity( intent );
  }
  
  
  
  
  
  protected void menuShowRandomActivity() {
    switch (Util.randomIntRange( 0, 3 )) {
      case 0:  startActivity( new Intent(this, ActivityArithmetic.class) );  break;
      case 1:  startActivity( new Intent(this, ActivitySqrt      .class) );  break;
      case 2:  startActivity( new Intent(this, ActivityWave      .class) );  break;
    }
  }
}

Java Source Code List