Android Open Source - SecNote Sec Note List Activity

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License

The source code is released under:

GNU General Public License

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Java Source Code

package org.jdamico.secnote;
//from w  w  w.j av a 2s.  com
/*
 * This file is part of SECNOTE (written by Jose Damico).
 * 
 *    SECNOTE is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License (version 2) 
 *    as published by the Free Software Foundation.
 *
 *    SECNOTE 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 SECNOTE.  If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

/**
 * An activity representing a list of Images. This activity has different
 * presentations for handset and tablet-size devices. On handsets, the activity
 * presents a list of items, which when touched, lead to a
 * {@link SecNoteDetailActivity} representing item details. On tablets, the
 * activity presents the list of items and item details side-by-side using two
 * vertical panes.
 * <p>
 * The activity makes heavy use of fragments. The list of items is a
 * {@link SecNoteListFragment} and the item details (if present) is a
 * {@link SecNoteDetailFragment}.
 * <p>
 * This activity also implements the required
 * {@link SecNoteListFragment.Callbacks} interface to listen for item selections.
 */
public class SecNoteListActivity extends FragmentActivity implements SecNoteListFragment.Callbacks {

  /**
   * Whether or not the activity is in two-pane mode, i.e. running on a tablet
   * device.
   */
  private boolean mTwoPane;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_secnote_list);

    if (findViewById(R.id.note_detail_container) != null) {
      mTwoPane = true;
      ((SecNoteListFragment) getSupportFragmentManager().findFragmentById(R.id.note_list)).setActivateOnItemClick(true);
    }
  }

  /**
   * Callback method from {@link SecNoteListFragment.Callbacks} indicating that
   * the item with the given ID was selected.
   */
  @Override
  public void onItemSelected(String id) {
    if (mTwoPane) {
      Bundle arguments = new Bundle();
      arguments.putString(SecNoteDetailFragment.ARG_ITEM_ID, id);
      SecNoteDetailFragment fragment = new SecNoteDetailFragment();
      fragment.setArguments(arguments);
      getSupportFragmentManager().beginTransaction().replace(R.id.note_detail_container, fragment).commit();

    } else {
      Intent detailIntent = new Intent(this, SecNoteDetailActivity.class);
      detailIntent.putExtra(SecNoteDetailFragment.ARG_ITEM_ID, id);
      startActivity(detailIntent);
    }
  }
  
  @Override
  public void onBackPressed() {
    Intent intent = new Intent(this, SecNoteMainActivity.class);
    startActivityForResult(intent, 0);
  }
}

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