Android Open Source - voicesmith Preference Activity

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Back to project page voicesmith.
License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * Voicesmith <http://voicesmith.jurihock.de/>
 *//from  w  ww  .  j a  va  2s . co m
 * Copyright (c) 2011-2014 Juergen Hock
 *
 * This 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 3 of the License, or
 * (at your option) any later version.
 *
 * This 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, see <http://www.gnu.org/licenses/>.
 */

package de.jurihock.voicesmith.activities;

import android.preference.Preference;
import greendroid.app.GDPreferenceActivity;
import greendroid.widget.ActionBar;
import greendroid.widget.ActionBarItem;
import greendroid.widget.NormalActionBarItem;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import de.jurihock.voicesmith.Preferences;
import de.jurihock.voicesmith.R;
import de.jurihock.voicesmith.Utils;

public final class PreferenceActivity extends GDPreferenceActivity
{
  private Class<?>  callerActivityClass  = null;

  private Preferences  preferences;

  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    this.addPreferencesFromResource(R.xml.preferences);

    preferences = new Preferences(this);

    if (getIntent().getExtras() != null)
    {
      String caller = getIntent().getExtras().getString("caller");
      if (caller != null)
      {
        // Add return button to the action bar
        getActionBar().setType(ActionBar.Type.Empty);
        addActionBarItem(getActionBar()
          .newActionBarItem(NormalActionBarItem.class)
          .setDrawable(R.drawable.action_bar_return));

        try
        {
          callerActivityClass = (Class<?>) Class.forName(caller);
        }
        catch (ClassNotFoundException exception)
        {
          new Utils(this).log(exception);
        }
      }
    }

        // Reset preferences to defaults
        Preference buttonReset = getPreferenceManager().findPreference("Reset");
        if(buttonReset != null)
        {
            buttonReset.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener()
            {
                @Override
                public boolean onPreferenceClick(Preference _preference)
                {
                    preferences.reset();

                    // Refresh this activity
                    // http://stackoverflow.com/questions/6380658/refreshing-views-of-preferences-when-using-preferenceactivity
                    Intent intent = getIntent();
                    {
                        overridePendingTransition(0, 0);
                        intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
                        finish();
                        overridePendingTransition(0, 0);
                    }
                    startActivity(intent);

                    return true;
                }
            });
        }
  }

  @Override
  public boolean onHandleActionBarItemClick(ActionBarItem item, int position)
  {
    // Go back to the caller activity
    if (callerActivityClass != null && position == 0)
    {
      Intent intent = new Intent(this, callerActivityClass);
      intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
      startActivity(intent);
    }

    return super.onHandleActionBarItemClick(item, position);
  }
}
Java Source Code List
