get IP From Mac Address - Android Network

Android examples for Network:Mac Address

  1. HOME
  2. Android
  3. Network
  4. Mac Address

Description

get IP From Mac Address

Demo Code


//package com.java2s;
import java.io.BufferedReader;

import java.io.FileReader;
import java.io.IOException;

public class Main {
    private final static String P2P_INT = "p2p0";

    public static String getIPFromMac(String MAC) {
        BufferedReader br = null;
        try {// w w  w.j  a v a  2 s.  c  om
            br = new BufferedReader(new FileReader("/proc/net/arp"));
            String line;
            while ((line = br.readLine()) != null) {
                String[] splitted = line.split(" +");
                if (splitted != null && splitted.length >= 4) {
                    String device = splitted[5];
                    if (device.matches(".*" + P2P_INT + ".*")) {
                        String mac = splitted[3];
                        if (mac.matches(MAC)) {
                            return splitted[0];
                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
}

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