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