1 /* 2 * Copyright (C) 2015 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.tv.common; 18 19 import android.content.Context; 20 import android.os.AsyncTask; 21 import android.preference.PreferenceManager; 22 23 /** 24 * Static utilities for {@link android.content.SharedPreferences} 25 */ 26 public final class SharedPreferencesUtils { 27 // Note that changing the preference name will reset the preference values. 28 public static final String SHARED_PREF_FEATURES = "sharePreferencesFeatures"; 29 public static final String SHARED_PREF_BROWSABLE = "browsable_shared_preference"; 30 public static final String SHARED_PREF_WATCHED_HISTORY = "watched_history_shared_preference"; 31 public static final String SHARED_PREF_AUDIO_CAPABILITIES = 32 "com.android.tv.audio_capabilities"; 33 public static final String SHARED_PREF_RECURRING_RUNNER = "sharedPreferencesRecurringRunner"; 34 35 private static boolean sInitializeCalled; 36 37 /** 38 * {@link android.content.SharedPreferences} loads the preference file when 39 * {@link Context#getSharedPreferences(String, int)} is called for the first time. 40 * Call {@link Context#getSharedPreferences(String, int)} as early as possible to avoid the ANR 41 * due to the file loading. 42 */ 43 public static synchronized void initialize(final Context context) { 44 if (!sInitializeCalled) { 45 sInitializeCalled = true; 46 new AsyncTask<Void, Void, Void>() { 47 @Override 48 protected Void doInBackground(Void... params) { 49 PreferenceManager.getDefaultSharedPreferences(context); 50 context.getSharedPreferences(SHARED_PREF_FEATURES, Context.MODE_PRIVATE); 51 context.getSharedPreferences(SHARED_PREF_BROWSABLE, Context.MODE_PRIVATE); 52 context.getSharedPreferences(SHARED_PREF_WATCHED_HISTORY, Context.MODE_PRIVATE); 53 context.getSharedPreferences(SHARED_PREF_AUDIO_CAPABILITIES, 54 Context.MODE_PRIVATE); 55 context.getSharedPreferences(SHARED_PREF_RECURRING_RUNNER, 56 Context.MODE_PRIVATE); 57 return null; 58 } 59 }.execute(); 60 } 61 } 62 63 private SharedPreferencesUtils() { } 64 } 65
