Android Open Source - ClassicSudoku Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.jeffvk.classicsudoku;
//from   w ww  . ja v a 2  s. co m
import java.io.File;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.View;
import android.widget.RadioGroup;
import android.widget.Toast;

public class MainActivity extends Activity {
  
  public final static String EXTRA_VALUE = "com.jeffvk.classicsudoku.VALUE";
  public final static String EXTRA_LOAD = "com.jeffvk.classicsudoku.LOAD";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
  }
  
  public void toNew(View button)
  {
    final View newGameDialogView = getLayoutInflater().inflate(R.layout.activity_new_game_dialog, null);
    
    new AlertDialog.Builder(this)
    .setTitle("Choose Difficulty")
    .setView(newGameDialogView)
    .setPositiveButton("Cancel", new DialogInterface.OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {} // null onClick to just go back
    })
    .setNegativeButton("Play", new DialogInterface.OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
        RadioGroup radGroup = (RadioGroup)newGameDialogView.findViewById(R.id.difficultyRadGroup);
        int id = radGroup.getCheckedRadioButtonId(), difficulty = 1;
        switch(id)
        {
        case R.id.mediumRadButton:
          difficulty = 2;
          break;
        case R.id.hardRadButton:
          difficulty = 3;
          break;
        case R.id.randomRadButton:
          difficulty = 4;
          break;
        default:
          break;
        }
        createGame(difficulty);
      }
    })
    .show();
  }
  
  public void toLoad(View button)
  {
    File file = new File(this.getFilesDir()+"/sudokuGame.txt");
    if(file.exists())
    {
      Intent intent = new Intent(this, NewGameActivity.class);
      intent.putExtra(EXTRA_LOAD, "load");
      Toast
        .makeText(this, "Loading...", Toast.LENGTH_LONG)
        .show();
      startActivity(intent);
    }
    else
    {
      Toast
        .makeText(this, "No Saved Game Found", Toast.LENGTH_SHORT)
        .show();
    }
  }
  
  public void toAbout(View button)
  {
    Intent intent = new Intent(this, AboutActivity.class);
    startActivity(intent);
  }

  private void createGame(int difficulty)
  {
    Intent intent = new Intent(this, NewGameActivity.class);
    intent.putExtra(EXTRA_LOAD, Integer.toString(difficulty));
    startActivity(intent);
  }

}

Java Source Code List

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