Read the first line of "/proc/cpuinfo" file, and check if it is 64 bit. - Android Hardware

Android examples for Hardware:CPU Information

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Description

Read the first line of "/proc/cpuinfo" file, and check if it is 64 bit.

Demo Code


//package com.java2s;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.util.Locale;

public class Main {
    private static final String PROC_CPU_INFO_PATH = "/proc/cpuinfo";
    private static boolean LOGENABLE = false;

    /**/*from w w w . j  a  va2 s  .c o  m*/
     * Read the first line of "/proc/cpuinfo" file, and check if it is 64 bit.
     */
    public static boolean isCPUInfo64() {
        File cpuInfo = new File(PROC_CPU_INFO_PATH);
        if (cpuInfo != null && cpuInfo.exists()) {
            InputStream inputStream = null;
            BufferedReader bufferedReader = null;
            try {
                inputStream = new FileInputStream(cpuInfo);
                bufferedReader = new BufferedReader(new InputStreamReader(
                        inputStream), 512);
                String line = bufferedReader.readLine();
                if (line != null && line.length() > 0
                        && line.toLowerCase(Locale.US).contains("arch64")) {
                    return true;
                } 
            } catch (Throwable t) {
            } finally {
                try {
                    if (bufferedReader != null) {
                        bufferedReader.close();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }

                try {
                    if (inputStream != null) {
                        inputStream.close();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
        return false;
    }
}

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