Get cpu cores - Android Hardware

Android examples for Hardware:CPU Information

  1. HOME
  2. Android
  3. Hardware
  4. CPU Information

Description

Get cpu cores

Demo Code

/*/*from   ww w .  j a v a  2s  .com*/
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;

import java.io.File;
import java.io.FileFilter;

import java.util.regex.Pattern;

public class Main {
    /**
     * Get cpu cores
     *
     * @return
     */
    public static int getCpuCores() {
        class CpuFilter implements FileFilter {
            @Override
            public boolean accept(File pathname) {
                if (Pattern.matches("cpu[0-9]", pathname.getName())) {
                    return true;
                }
                return false;
            }
        }

        try {
            File dir = new File("/sys/devices/system/cpu/");
            File[] files = dir.listFiles(new CpuFilter());
            return files.length;
        } catch (Exception e) {
            e.printStackTrace();
            return 1;
        }
    }
}

Related Tutorials