1 /* 2 * Copyright (C) 2012 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.mail.photomanager; 18 19 public class MemoryUtils { 20 private MemoryUtils() { 21 } 22 23 public static final int LARGE_RAM_THRESHOLD = 640 * 1024 * 1024; 24 private static long sTotalMemorySize = -1; 25 26 public static long getTotalMemorySize() { 27 if (sTotalMemorySize < 0) { 28 MemInfoReader reader = new MemInfoReader(); 29 reader.readMemInfo(); 30 31 // getTotalSize() returns the "MemTotal" value from /proc/meminfo. 32 // Because the linux kernel doesn't see all the RAM on the system 33 // (e.g. GPU takes some), 34 // this is usually smaller than the actual RAM size. 35 sTotalMemorySize = reader.getTotalSize(); 36 } 37 return sTotalMemorySize; 38 } 39 } 40
