Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Collections;
import java.util.List;
import org.apache.http.conn.util.InetAddressUtils;
import android.annotation.SuppressLint;

public class Main {
    /**
     * Get IP address from first non-localhost interface
     * @param ipv4  true=return ipv4, false=return ipv6
     * @return  address or empty string
     */
    @SuppressLint("DefaultLocale")
    public static String getIPAddress() {
        try {
            List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
            for (NetworkInterface intf : interfaces) {
                List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
                for (InetAddress addr : addrs) {
                    if (!addr.isLoopbackAddress()) {
                        String sAddr = addr.getHostAddress().toUpperCase();
                        boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                        if (isIPv4)
                            return sAddr;
                    }
                }
            }
        } catch (Exception ex) {
        }
        return "";
    }
}