1 /* 2 * Copyright (C) 2008 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.demo.notepad1; 18 19 import android.app.ListActivity; 20 import android.database.Cursor; 21 import android.os.Bundle; 22 import android.view.Menu; 23 import android.view.MenuItem; 24 import android.widget.SimpleCursorAdapter; 25 26 public class Notepadv1 extends ListActivity { 27 public static final int INSERT_ID = Menu.FIRST; 28 29 private int mNoteNumber = 1; 30 private NotesDbAdapter mDbHelper; 31 32 /** Called when the activity is first created. */ 33 @Override onCreate(Bundle savedInstanceState)34 public void onCreate(Bundle savedInstanceState) { 35 super.onCreate(savedInstanceState); 36 setContentView(R.layout.notepad_list); 37 mDbHelper = new NotesDbAdapter(this); 38 mDbHelper.open(); 39 fillData(); 40 } 41 42 @Override onCreateOptionsMenu(Menu menu)43 public boolean onCreateOptionsMenu(Menu menu) { 44 boolean result = super.onCreateOptionsMenu(menu); 45 menu.add(0, INSERT_ID, 0, R.string.menu_insert); 46 return result; 47 } 48 49 @Override onOptionsItemSelected(MenuItem item)50 public boolean onOptionsItemSelected(MenuItem item) { 51 switch (item.getItemId()) { 52 case INSERT_ID: 53 createNote(); 54 return true; 55 } 56 return super.onOptionsItemSelected(item); 57 } 58 createNote()59 private void createNote() { 60 String noteName = "Note " + mNoteNumber++; 61 mDbHelper.createNote(noteName, ""); 62 fillData(); 63 } 64 fillData()65 private void fillData() { 66 // Get all of the notes from the database and create the item list 67 Cursor c = mDbHelper.fetchAllNotes(); 68 startManagingCursor(c); 69 70 String[] from = new String[] { NotesDbAdapter.KEY_TITLE }; 71 int[] to = new int[] { R.id.text1 }; 72 73 // Now create an array adapter and set it to display using our row 74 SimpleCursorAdapter notes = 75 new SimpleCursorAdapter(this, R.layout.notes_row, c, from, to); 76 setListAdapter(notes); 77 } 78 } 79