Android Open Source - Notes Word Cloud

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 *  This is a part of amfontai Notes//  w  ww. jav a2 s.  c  o  m
 *  Copyright (C) 2013 Andrew Fontaine
 *
 *  amfontai Notes program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  amfontai Notes program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.amfontai.cmput301asn1;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebView;
import android.support.v4.app.NavUtils;

/**
 * The Class WordCloud represents the {@link andorid.app.Activity}
 * containing a word cloud created with {@link import org.mcavallo.opencloud}.
 * It uses a {@link android.webkit.WebView}, which is defined
 * in activity_word_cloud.xml
 */
public class WordCloud extends Activity {
    
  /**
   * mDb is an instance of (@link NotesDb}, which controls
   * access to the {@link android.database.SQLiteDatabase}.
   */
  private NotesDb mDb = new NotesDb(NotesDb.READ, this);

  /**
   * @see android.app.Activity#onCreate(android.os.Bundle)
   */
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_word_cloud);
    // Show the Up button in the action bar.
    setupActionBar();
  }
  
  /**
   * On resuming the activity, we query the DB,
   * which uses {@link import org.mcavallo.opencloud}
   * to generate the HTML for the WebView
   * @see android.app.Activity#onResume()
   */
  protected void onResume() {
    super.onResume();
    
    WebView web = (WebView) findViewById(R.id.cloud);
    
    String html = mDb.getWordCloud();
        
    web.loadData(html, "text/html", null);
  }

  /**
   * Set up the {@link android.app.ActionBar}.
   */
  private void setupActionBar() {

    getActionBar().setDisplayHomeAsUpEnabled(true);

  }

  /**
   * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
   */
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.word_cloud, menu);
    return true;
  }

  /**
   * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
   */
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      // This ID represents the Home or Up button. In the case of this
      // activity, the Up button is shown. Use NavUtils to allow users
      // to navigate up one level in the application structure. For
      // more details, see the Navigation pattern on Android Design:
      //
      // http://developer.android.com/design/patterns/navigation.html#up-vs-back
      //
      NavUtils.navigateUpFromSameTask(this);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

}

Java Source Code List

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