ContactsActivity.java revision 1173ae29217fc83f254404f8a5fa10419ee83c93
1/*
2 * Copyright (C) 2010 The Android Open Source Project
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
17package com.android.contacts;
18
19import com.android.contacts.test.InjectedServices;
20
21import android.app.Activity;
22import android.content.ContentResolver;
23
24/**
25 * A common superclass for Contacts activities that handles application-wide services.
26 */
27public abstract class ContactsActivity extends Activity {
28
29    private ContentResolver mContentResolver;
30
31    @Override
32    public ContentResolver getContentResolver() {
33        if (mContentResolver == null) {
34            InjectedServices services = ContactsApplication.getInjectedServices();
35            if (services != null) {
36                mContentResolver = services.getContentResolver();
37            }
38            if (mContentResolver == null) {
39                mContentResolver = super.getContentResolver();
40            }
41        }
42        return mContentResolver;
43    }
44
45    @Override
46    public Object getSystemService(String name) {
47        Object service = super.getSystemService(name);
48        if (service != null) {
49            return service;
50        }
51
52        return getApplicationContext().getSystemService(name);
53    }
54}
55