1 /* 2 * Copyright (C) 2013 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.keyguard; 18 19 import android.graphics.drawable.Drawable; 20 21 import java.util.HashMap; 22 23 public class MultiUserAvatarCache { 24 25 private static MultiUserAvatarCache sInstance; 26 27 private final HashMap<Integer, Drawable> mCache; 28 29 private MultiUserAvatarCache() { 30 mCache = new HashMap<Integer, Drawable>(); 31 } 32 33 public static MultiUserAvatarCache getInstance() { 34 if (sInstance == null) { 35 sInstance = new MultiUserAvatarCache(); 36 } 37 return sInstance; 38 } 39 40 public void clear(int userId) { 41 mCache.remove(userId); 42 } 43 44 public Drawable get(int userId) { 45 return mCache.get(userId); 46 } 47 48 public void put(int userId, Drawable image) { 49 mCache.put(userId, image); 50 } 51 } 52
