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