get Device Id - Android android.net.wifi

Android examples for android.net.wifi:Wifi Property

  1. HOME
  2. Android
  3. android.net.wifi
  4. Wifi Property

Description

get Device Id

Demo Code

import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.provider.Settings;
import android.util.Base64;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{

    public static String getDeviceId(Context context) {
        try {//  w  ww  .  ja v a 2  s. co  m
            WifiManager wifi = (WifiManager) context
                    .getSystemService(Context.WIFI_SERVICE);
            WifiInfo info = wifi.getConnectionInfo();
            String mac = info.getMacAddress();
            if (mac == null) {
                mac = Settings.Secure.getString(
                        context.getContentResolver(),
                        Settings.Secure.ANDROID_ID);
            }
            if (mac == null) {
                Class<?> c = Class.forName("android.os.SystemProperties");
                Method get = c.getMethod("get", String.class, String.class);
                mac = (String) (get.invoke(c, "ro.serialno", "unknown"));
            }
            return mac;
        } catch (Exception e) {
            return "";
        }
    }

}

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