参考收入宝代码更新获取MAC地址代码

ipu-plugin-basic/src/main/java/com/ai/ipu/mobile/plugin/MobileInfo.java

package com.ai.ipu.mobile.plugin;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import java.util.TimeZone;
import org.json.JSONArray;
import android.annotation.SuppressLint;
import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import com.ai.ipu.mobile.frame.IIpuMobile;
import com.ai.ipu.mobile.frame.plugin.Plugin;
import com.ailk.common.data.impl.DataMap;
import com.mashape.relocation.conn.util.InetAddressUtils;
import org.json.JSONArray;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
public class MobileInfo extends Plugin {
    public String platform = "Android";
    public static final String MAC_FAIL = "02:00:00:00:00:00";
    public MobileInfo(IIpuMobile ipumobile) {
        super(ipumobile);
    }
    }
    public String getMac() {
        WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = wifi.getConnectionInfo();
        return info.getMacAddress();
        String mac = null;
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            mac = getMacDefault(context);
        } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
            mac = getMacFromFile();
        } else {
            mac = getMacFromHardware();
        }
        return mac;
    }
    /**
     * 遍历循环所有的网络接口，找到接口是 wlan0
     * 必须的权限 <uses-permission android:name="android.permission.INTERNET" />
     * @return
     */
    private String getMacFromHardware() {
        try {
            List<NetworkInterface> all = Collections.list(NetworkInterface.getNetworkInterfaces());
            for (NetworkInterface nif : all) {
                if (!nif.getName().equalsIgnoreCase("wlan0")) continue;
                byte[] macBytes = nif.getHardwareAddress();
                if (macBytes == null) {
                    return MAC_FAIL;
                }
                StringBuilder res1 = new StringBuilder();
                for (byte b : macBytes) {
                    res1.append(String.format("%02X:", b));
                }
                if (res1.length() > 0) {
                    res1.deleteCharAt(res1.length() - 1);
                }
                return res1.toString();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return MAC_FAIL;
    }
    /**
     * Android 6.0（包括） - Android 7.0（不包括）
     * @return
     */
    private String getMacFromFile() {
        String WifiAddress = MAC_FAIL;
        try {
            WifiAddress = new BufferedReader(new FileReader(new File("/sys/class/net/wlan0/address"))).readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return WifiAddress;
    }
    /**
     * Android  6.0 之前（不包括6.0）
     * 必须的权限  <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     * @param context
     * @return
     */
    @SuppressLint("HardwareIds")
    private String getMacDefault(Context context) {
        String mac = MAC_FAIL;
        if (context == null) {
            return mac;
        }
        WifiManager wifi = (WifiManager) context.getApplicationContext()
                .getSystemService(Context.WIFI_SERVICE);
        if (wifi == null) {
            return mac;
        }
        WifiInfo info = null;
        try {
            info = wifi.getConnectionInfo();
        } catch (Exception ignored) {
        }
        if (info == null) {
            return null;
        }
        mac = info.getMacAddress();
        if (!TextUtils.isEmpty(mac)) {
            mac = mac.toUpperCase(Locale.ENGLISH);
        }
        return mac;
    }
    public String getIP() throws SocketException {