Android Open Source - dice-probabilities Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package org.kleemann.diceprobabilities;
/*  w  ww  . j a  va  2s .  co m*/
import org.kleemann.diceprobabilities.graph.GraphView;
import org.kleemann.diceprobabilities.special.SpecialSpinner;

import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;

/**
 * <p>The main entry point for the program.  This android application consists 
 * of a single activity. (screen)
 * 
 *  <p>All GUI resources (ids from xml layouts) are referenced from this class.
 */
public class MainActivity extends Activity {

  // the topmost View that contains all the buttons 
  private View topButtonGroup;
  
  private GraphView graph;
  
  private DiceSet diceSet1;
  private DiceSet diceSet2;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);    
    setContentView(R.layout.activity_main);
    
    this.topButtonGroup = (View)findViewById(R.id.top_button_group);

    this.graph = (GraphView)findViewById(R.id.graph); 
    
    this.diceSet1 = new DiceSet(
        (ViewGroup)findViewById(R.id.ds1_pool),
        (ViewGroup)findViewById(R.id.ds1_current),
        new DiceSet.DieType[]{
            new DiceSet.DieType(1, 
                (Button)findViewById(R.id.ds1_pool_constant), 
                (Button)findViewById(R.id.ds1_current_constant)),
            new DiceSet.DieType(4, 
                (Button)findViewById(R.id.ds1_pool_d4), 
                (Button)findViewById(R.id.ds1_current_d4)),
            new DiceSet.DieType(6, 
                (Button)findViewById(R.id.ds1_pool_d6), 
                (Button)findViewById(R.id.ds1_current_d6)),
            new DiceSet.DieType(8, 
                (Button)findViewById(R.id.ds1_pool_d8), 
                (Button)findViewById(R.id.ds1_current_d8)),
            new DiceSet.DieType(10, 
                (Button)findViewById(R.id.ds1_pool_d10), 
                (Button)findViewById(R.id.ds1_current_d10)),
            new DiceSet.DieType(12, 
                (Button)findViewById(R.id.ds1_pool_d12), 
                (Button)findViewById(R.id.ds1_current_d12)),
        },
        new SpecialSpinner(this, (Spinner)findViewById(R.id.ds1_special)),
        new DiceSet.TargetParam[]{
            new DiceSet.TargetParam(-5,
                (Button)findViewById(R.id.ds1_pool_target_m5)), 
            new DiceSet.TargetParam(-1,
                (Button)findViewById(R.id.ds1_pool_target_m1)), 
            new DiceSet.TargetParam(1,
                (Button)findViewById(R.id.ds1_pool_target_1)), 
            new DiceSet.TargetParam(5,
                (Button)findViewById(R.id.ds1_pool_target_5)), 
        },
        (Button)findViewById(R.id.ds1_current_target),
        (Button)findViewById(R.id.ds1_clear),
        (TextView)findViewById(R.id.ds1_answer_fraction),
        (Button)findViewById(R.id.ds1_answer_probability),
        graph.getSetter1()
        );

    this.diceSet2 = new DiceSet(
        (ViewGroup)findViewById(R.id.ds2_pool),
        (ViewGroup)findViewById(R.id.ds2_current),
        new DiceSet.DieType[]{
            new DiceSet.DieType(1, 
                (Button)findViewById(R.id.ds2_pool_constant), 
                (Button)findViewById(R.id.ds2_current_constant)),
            new DiceSet.DieType(4, 
                (Button)findViewById(R.id.ds2_pool_d4), 
                (Button)findViewById(R.id.ds2_current_d4)),
            new DiceSet.DieType(6, 
                (Button)findViewById(R.id.ds2_pool_d6), 
                (Button)findViewById(R.id.ds2_current_d6)),
            new DiceSet.DieType(8, 
                (Button)findViewById(R.id.ds2_pool_d8), 
                (Button)findViewById(R.id.ds2_current_d8)),
            new DiceSet.DieType(10, 
                (Button)findViewById(R.id.ds2_pool_d10), 
                (Button)findViewById(R.id.ds2_current_d10)),
            new DiceSet.DieType(12, 
                (Button)findViewById(R.id.ds2_pool_d12), 
                (Button)findViewById(R.id.ds2_current_d12)),
        },
        new SpecialSpinner(this, (Spinner)findViewById(R.id.ds2_special)),
        new DiceSet.TargetParam[]{
            new DiceSet.TargetParam(-5,
                (Button)findViewById(R.id.ds2_pool_target_m5)), 
            new DiceSet.TargetParam(-1,
                (Button)findViewById(R.id.ds2_pool_target_m1)), 
            new DiceSet.TargetParam(1,
                (Button)findViewById(R.id.ds2_pool_target_1)), 
            new DiceSet.TargetParam(5,
                (Button)findViewById(R.id.ds2_pool_target_5)), 
        },
        (Button)findViewById(R.id.ds2_current_target),
        (Button)findViewById(R.id.ds2_clear),
        (TextView)findViewById(R.id.ds2_answer_fraction),
        (Button)findViewById(R.id.ds2_answer_probability),
        graph.getSetter2()
        );

    ((Button)findViewById(R.id.copy_down)).setOnClickListener(new Copy(diceSet2, diceSet1));
    ((Button)findViewById(R.id.copy_up)).setOnClickListener(new Copy(diceSet1, diceSet2));
    
    graph.setOnClickListener(new GraphPress());
  }

  private static class Copy implements View.OnClickListener {
    
    private DiceSet destination;
    private DiceSet source;

    public Copy(DiceSet destination, DiceSet source) {
      this.destination = destination;
      this.source = source;
    }
    
    @Override
    public void onClick(View v) {
      destination.copyFrom(source);
    }    
  }

  private boolean getVerbose() { return graph.getVerbose(); }
  
  /**
   * <p>Verbose refers to the verbosity of the graph.  When the 
   * graph is showing more detail in verbose mode, hide the buttons.
   * 
   *  <p>The user toggles between these modes by pressing on the graph.
   */
  private void setVerbose(boolean verbose) {
    if (verbose) {
      topButtonGroup.setVisibility(View.INVISIBLE);
      graph.setVerbose(true);
    } else {
      topButtonGroup.setVisibility(View.VISIBLE);
      graph.setVerbose(false);
    }
  }

  private class GraphPress implements View.OnClickListener {
    @Override
    public void onClick(View v) {
      // toggle
      setVerbose(!getVerbose());
    }    
  }

  /**
   * <p>We only save the "source" data items. e.g. the dice and target counts.
   * All other values such as probabilities and distribution curves are 
   * recalculated.
   */
  @Override
  public void onSaveInstanceState(Bundle savedInstanceState) {
      super.onSaveInstanceState(savedInstanceState);
      diceSet1.saveInstanceState(savedInstanceState, "1");
      diceSet2.saveInstanceState(savedInstanceState, "2");
    savedInstanceState.putBoolean("verbosity", getVerbose());
  }
  
  public void onRestoreInstanceState(Bundle savedInstanceState) {
      // Always call the superclass so it can restore the view hierarchy
      super.onRestoreInstanceState(savedInstanceState);
      diceSet1.restoreInstanceState(savedInstanceState, "1");
      diceSet2.restoreInstanceState(savedInstanceState, "2");
      setVerbose(savedInstanceState.getBoolean("verbosity"));
  }
}

Java Source Code List

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