Android Open Source - context-sms Favorites Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.bretblack.wesay;
// w w  w .j  a va 2s  . c  o m
import android.app.ActionBar;
import android.app.Fragment;
import android.app.ListActivity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView.AdapterContextMenuInfo;

public class FavoritesActivity extends ListActivity {
  private int mFavoriteNumber;
  private FavoritesDbAdapter mDbHelper;
  public static final int INSERT_ID = Menu.FIRST;
  private static final int DELETE_ID = Menu.FIRST + 1;
  private static final int DELETE_ALL_ID = Menu.FIRST + 2;

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

    GlobalDb mApp = (GlobalDb) getApplicationContext();
    mDbHelper = mApp.getDbAdapter();
    mDbHelper.open();
    fillData();

    // make each element selectable
    registerForContextMenu(getListView());
    
    // make logo clickable
    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    
    // retain fragment memory on orientation change
    //setRetainInstance(true);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // this is temporarily used to see that the list works
    boolean result = super.onCreateOptionsMenu(menu);
    // menu.add(0, INSERT_ID, 0, R.string.menu_insert);
    menu.add(0, DELETE_ALL_ID, 0, R.string.menu_delete_all);
    return result;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    /*
     * case INSERT_ID: createFavorite(); return true; }
     */
    case DELETE_ALL_ID:
      deleteAllFavorites();
      return true;
    case android.R.id.home:
      Intent myIntent = new Intent(getApplicationContext(), MainActivity.class);
        startActivityForResult(myIntent, 0);
    }
    

    return super.onOptionsItemSelected(item);
  }

  /** Deletes all values from the database */
  private void deleteAllFavorites(){
    mDbHelper.deleteTable();
    fillData();
  }
  
  /** Handles the creation of a new favorite */
  private void createFavorite() {
    String favName = "Note " + mFavoriteNumber++;
    mDbHelper.createNote(favName, "");
    fillData();
  }

  // context menu allows you to delete favorites
  public void onCreateContextMenu(ContextMenu menu, View v,
      ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);
    menu.add(0, DELETE_ID, 0, R.string.menu_delete);
  }

  // responds to the selection of "DELETE" on a context menu
  public boolean onContextItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case DELETE_ID:
      AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
          .getMenuInfo();
      mDbHelper.deleteNote(info.id);
      fillData();
      return true;
    }
    return super.onContextItemSelected(item);
  }

  /**
   * Uses a string to create a new favorite
   * 
   * @param s
   *            The quote to use private void createFavorite(String s) {
   *            String favName = "Note " + mFavoriteNumber++;
   *            mDbHelper.createNote(favName, s); fillData(); }
   */

  /** Fills the list with favorites */
  private void fillData() {
    // Get all of the notes from the database and create the item list
    Cursor c = mDbHelper.fetchAllNotes();
    startManagingCursor(c);

    String[] from = new String[] { FavoritesDbAdapter.KEY_BODY };
    int[] to = new int[] { R.id.favorite_text };

    // Now create an array adapter and set it to display using our row
    SimpleCursorAdapter notes = new SimpleCursorAdapter(this,
        R.layout.favorite, c, from, to);
    setListAdapter(notes);
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_favorites,
          container, false);
      return rootView;
    }
  }

}

Java Source Code List

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