| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.apis.app; |
| |
| import android.app.Activity; |
| import android.app.ListFragment; |
| import android.app.LoaderManager; |
| import android.content.CursorLoader; |
| import android.content.Loader; |
| import android.database.Cursor; |
| import android.os.Bundle; |
| import android.provider.Contacts.Phones; |
| import android.provider.ContactsContract.Contacts; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.ListAdapter; |
| import android.widget.ListView; |
| import android.widget.SimpleCursorAdapter; |
| |
| /** |
| * Demonstration of more complex use if a ListFragment, including showing |
| * an empty view and loading progress. |
| */ |
| public class FragmentListCursorLoader extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| // Create the list fragment and add it as our sole content. |
| if (findFragmentById(android.R.id.content) == null) { |
| CursorLoaderListFragment list = new CursorLoaderListFragment(); |
| openFragmentTransaction().add(android.R.id.content, list).commit(); |
| } |
| } |
| |
| public static class CursorLoaderListFragment extends ListFragment |
| implements LoaderManager.LoaderCallbacks<Cursor> { |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| |
| // Assume we don't yet have data to display. |
| setListShown(false, false); |
| |
| // Give some text to display if there is no data. In a real |
| // application this would come from a resource. |
| setEmptyText("No phone numbers"); |
| |
| // Prepare the loader. Either re-connect with an existing one, |
| // or start a new one. |
| getLoaderManager().initLoader(0, null, this); |
| } |
| |
| @Override |
| public void onListItemClick(ListView l, View v, int position, long id) { |
| Log.i("FragmentComplexList", "Item clicked: " + id); |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| } |
| |
| static final String[] CONTACTS_SUMMARY_PROJECTION = new String[] { |
| Contacts._ID, |
| Contacts.DISPLAY_NAME, |
| Contacts.CONTACT_STATUS, |
| Contacts.CONTACT_PRESENCE, |
| Contacts.PHOTO_ID, |
| Contacts.LOOKUP_KEY, |
| }; |
| |
| @Override |
| public Loader<Cursor> onCreateLoader(int id, Bundle args) { |
| String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND (" |
| + Contacts.HAS_PHONE_NUMBER + "=1) AND (" |
| + Contacts.DISPLAY_NAME + " != '' ))"; |
| return new CursorLoader(getActivity(), Contacts.CONTENT_URI, |
| CONTACTS_SUMMARY_PROJECTION, select, null, |
| Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC"); |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<Cursor> loader, Cursor data) { |
| ListAdapter adapter = new SimpleCursorAdapter(getActivity(), |
| android.R.layout.simple_list_item_2, data, |
| new String[] { Contacts.DISPLAY_NAME, Contacts.CONTACT_STATUS }, |
| new int[] { android.R.id.text1, android.R.id.text2 }); |
| setListAdapter(adapter); |
| setListShown(true, isResumed()); |
| } |
| } |
| } |