get CPU Serial from /proc/cpuinfo - Android android.os

Android examples for android.os:CPU

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Description

get CPU Serial from /proc/cpuinfo

Demo Code

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;

public class Main {

  public static String getCPUSerial() {
    String str = "", strCPU = "", cpuAddress = "0000000000000000";
    Process pp = null;//from  w  w  w  .j a v a2s.c  o m
    InputStreamReader ir = null;
    LineNumberReader input = null;
    try {
      pp = Runtime.getRuntime().exec("cat /proc/cpuinfo");
      ir = new InputStreamReader(pp.getInputStream());
      input = new LineNumberReader(ir);

      for (int i = 1; i < 100; i++) {
        str = input.readLine();
        if (str != null) {
          if (str.indexOf("Serial") > -1) {

            strCPU = str.substring(str.indexOf(":") + 1, str.length());

            cpuAddress = strCPU.trim();
            break;
          }
        } else {
          break;
        }
      }
    } catch (IOException ex) {
      ex.printStackTrace();
    } finally {
      if (input != null) {
        try {
          input.close();
        } catch (IOException ex) {
          ex.printStackTrace();
        }
        input = null;
      }
      if (ir != null) {
        try {
          ir.close();
        } catch (IOException ex) {
          ex.printStackTrace();
        }
        ir = null;
      }
      if (pp != null) {
        pp.destroy();
        pp = null;
      }
    }
    return cpuAddress;

  }

}

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