Android获取手机及路由器的Mac地址和IP地址

Android获取Mac地址及IP地址需要添加权限，

在AndroidManifest.xml中：

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>

1、获取手机的Mac地址，在Wifi未开启或者未连接的情况下也能获取手机Mac地址，代码如下：

public static String getMacAddress(Context context) {    String macAddress = null;    WifiInfo wifiInfo = getWifiInfo(context);    if (wifiInfo != null) {        macAddress = wifiInfo.getMacAddress();    }    return macAddress;}

2、获取手机IP地址，只有在Wifi连接的情况下才能获取IP地址，否则为0，对应转换IP为0.0.0.0，其中getIpAddress()获取的IP地址是整型，需要转换为IP地址。代码如下：

public static String getIpAddress(Context context) {    String IpAddress = null;    WifiInfo wifiInfo = getWifiInfo(context);    if (wifiInfo != null) {        IpAddress = intToIpAddress(wifiInfo.getIpAddress());    }    return IpAddress;}public static String intToIpAddress(long ipInt) {    StringBuffer sb = new StringBuffer();    sb.append(ipInt & 0xFF).append(".");    sb.append((ipInt >> 8) & 0xFF).append(".");    sb.append((ipInt >> 16) & 0xFF).append(".");    sb.append((ipInt >> 24) & 0xFF);    return sb.toString();}

3、获取路由器的Mac地址，只有连接成功才能获取（废话…），代码如下：

public static String getConnectedWifiMacAddress(Context context) {    String connectedWifiMacAddress = null;    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);    List wifiList;    if (wifiManager != null) {        wifiList = wifiManager.getScanResults();        WifiInfo info = wifiManager.getConnectionInfo();        if (wifiList != null && info != null) {            for (int i = 0; i < wifiList.size(); i++) {                ScanResult result = wifiList.get(i);                if (info.getBSSID().equals(result.BSSID)) {                    connectedWifiMacAddress = result.BSSID;                }            }        }    }    return connectedWifiMacAddress;}

完整的获取Mac及IP地址工具类代码如下：

package com.cpxiao.wifimacdemo;import android.content.Context;import android.net.wifi.ScanResult;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import java.util.List;/** * Created by cpxiao on 15/9/21. */public class MacAddressUtils {    /**     * 获取手机的Mac地址，在Wifi未开启或者未连接的情况下也能获取手机Mac地址     */    public static String getMacAddress(Context context) {        String macAddress = null;        WifiInfo wifiInfo = getWifiInfo(context);        if (wifiInfo != null) {            macAddress = wifiInfo.getMacAddress();        }        return macAddress;    }    /**     * 获取手机的Ip地址     */    public static String getIpAddress(Context context) {        String IpAddress = null;        WifiInfo wifiInfo = getWifiInfo(context);        if (wifiInfo != null) {            IpAddress = intToIpAddress(wifiInfo.getIpAddress());        }        return IpAddress;    }    /**     * 获取WifiInfo     */    public static WifiInfo getWifiInfo(Context context) {        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);        WifiInfo info = null;        if (null != wifiManager) {            info = wifiManager.getConnectionInfo();        }        return info;    }    public static long ipAddressToint(String ip) {        String[] items = ip.split("\\.");        return Long.valueOf(items[0]) << 24                | Long.valueOf(items[1]) << 16                | Long.valueOf(items[2]) << 8                | Long.valueOf(items[3]);    }    public static String intToIpAddress(long ipInt) {        StringBuffer sb = new StringBuffer();        sb.append(ipInt & 0xFF).append(".");        sb.append((ipInt >> 8) & 0xFF).append(".");        sb.append((ipInt >> 16) & 0xFF).append(".");        sb.append((ipInt >> 24) & 0xFF);        return sb.toString();    }    /**     * 获取当前可连接Wifi列表     */    public static List<?> getAvailableNetworks(Context context) {        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);        List wifiList = null;        if (wifiManager != null) {            wifiList = wifiManager.getScanResults();        }        return wifiList;    }    /**     * 获取已连接的Wifi路由器的Mac地址     */    public static String getConnectedWifiMacAddress(Context context) {        String connectedWifiMacAddress = null;        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);        List wifiList;        if (wifiManager != null) {            wifiList = wifiManager.getScanResults();            WifiInfo info = wifiManager.getConnectionInfo();            if (wifiList != null && info != null) {                for (int i = 0; i < wifiList.size(); i++) {                    ScanResult result = wifiList.get(i);                    if (info.getBSSID().equals(result.BSSID)) {                        connectedWifiMacAddress = result.BSSID;                    }                }            }        }        return connectedWifiMacAddress;    }}

参考：
http://panxq0809.iteye.com/blog/666663
http://orgcent.com/android-wifi-mac-ip-address/
http://orgcent.com/ip-address-integer-convert/

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