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      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 
     17 package com.android.contacts;
     18 
     19 import android.app.Application;
     20 import android.app.FragmentManager;
     21 import android.app.LoaderManager;
     22 import android.content.ContentResolver;
     23 import android.content.ContentUris;
     24 import android.content.Context;
     25 import android.content.SharedPreferences;
     26 import android.os.AsyncTask;
     27 import android.os.StrictMode;
     28 import android.preference.PreferenceManager;
     29 import android.provider.ContactsContract.Contacts;
     30 import android.util.Log;
     31 
     32 import com.android.contacts.common.testing.InjectedServices;
     33 import com.android.contacts.common.util.Constants;
     34 import com.android.contacts.commonbind.analytics.AnalyticsUtil;
     35 
     36 import com.android.contacts.common.testing.NeededForTesting;
     37 import com.google.common.annotations.VisibleForTesting;
     38 
     39 @NeededForTesting
     40 public class ContactsApplication extends Application {
     41     private static final boolean ENABLE_LOADER_LOG = false; // Don't submit with true
     42     private static final boolean ENABLE_FRAGMENT_LOG = false; // Don't submit with true
     43 
     44     private static InjectedServices sInjectedServices;
     45     /**
     46      * Log tag for enabling/disabling StrictMode violation log.
     47      * To enable: adb shell setprop log.tag.ContactsStrictMode DEBUG
     48      */
     49     public static final String STRICT_MODE_TAG = "ContactsStrictMode";
     50 
     51     /**
     52      * Overrides the system services with mocks for testing.
     53      */
     54     @VisibleForTesting
     55     public static void injectServices(InjectedServices services) {
     56         sInjectedServices = services;
     57     }
     58 
     59     public static InjectedServices getInjectedServices() {
     60         return sInjectedServices;
     61     }
     62 
     63     @Override
     64     public ContentResolver getContentResolver() {
     65         if (sInjectedServices != null) {
     66             ContentResolver resolver = sInjectedServices.getContentResolver();
     67             if (resolver != null) {
     68                 return resolver;
     69             }
     70         }
     71         return super.getContentResolver();
     72     }
     73 
     74     @Override
     75     public SharedPreferences getSharedPreferences(String name, int mode) {
     76         if (sInjectedServices != null) {
     77             SharedPreferences prefs = sInjectedServices.getSharedPreferences();
     78             if (prefs != null) {
     79                 return prefs;
     80             }
     81         }
     82 
     83         return super.getSharedPreferences(name, mode);
     84     }
     85 
     86     @Override
     87     public Object getSystemService(String name) {
     88         if (sInjectedServices != null) {
     89             Object service = sInjectedServices.getSystemService(name);
     90             if (service != null) {
     91                 return service;
     92             }
     93         }
     94 
     95         return super.getSystemService(name);
     96     }
     97 
     98     @Override
     99     public void onCreate() {
    100         super.onCreate();
    101 
    102         if (Log.isLoggable(Constants.PERFORMANCE_TAG, Log.DEBUG)) {
    103             Log.d(Constants.PERFORMANCE_TAG, "ContactsApplication.onCreate start");
    104         }
    105 
    106         if (ENABLE_FRAGMENT_LOG) FragmentManager.enableDebugLogging(true);
    107         if (ENABLE_LOADER_LOG) LoaderManager.enableDebugLogging(true);
    108 
    109         if (Log.isLoggable(STRICT_MODE_TAG, Log.DEBUG)) {
    110             StrictMode.setThreadPolicy(
    111                     new StrictMode.ThreadPolicy.Builder().detectAll().penaltyLog().build());
    112         }
    113 
    114         // Perform the initialization that doesn't have to finish immediately.
    115         // We use an async task here just to avoid creating a new thread.
    116         (new DelayedInitializer()).execute();
    117 
    118         if (Log.isLoggable(Constants.PERFORMANCE_TAG, Log.DEBUG)) {
    119             Log.d(Constants.PERFORMANCE_TAG, "ContactsApplication.onCreate finish");
    120         }
    121 
    122         AnalyticsUtil.initialize(this);
    123     }
    124 
    125     private class DelayedInitializer extends AsyncTask<Void, Void, Void> {
    126         @Override
    127         protected Void doInBackground(Void... params) {
    128             final Context context = ContactsApplication.this;
    129 
    130             // Warm up the preferences and the contacts provider.  We delay initialization
    131             // of the account type manager because we may not have the contacts group permission
    132             // (and thus not have the get accounts permission).
    133             PreferenceManager.getDefaultSharedPreferences(context);
    134             getContentResolver().getType(ContentUris.withAppendedId(Contacts.CONTENT_URI, 1));
    135 
    136             return null;
    137         }
    138 
    139         public void execute() {
    140             executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,
    141                     (Void[]) null);
    142         }
    143     }
    144 }
    145