Android 獲取當前IP地址

1.使用WIFI

首先設置用戶權限

復制代碼代碼如下:

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

1：獲取wifi地址

public class NetWorkUtils {


    /**
     * 檢查網絡是否可用
     *
     * @param paramContext
     * @return
     */
    public static boolean checkEnable(Context paramContext) {
        boolean i = false;
        NetworkInfo localNetworkInfo = ((ConnectivityManager) paramContext
                .getSystemService("connectivity")).getActiveNetworkInfo();
        if ((localNetworkInfo != null) && (localNetworkInfo.isAvailable()))
            return true;
        return false;
    }

    /**
     * 將ip的整數形式轉換成ip形式
     *
     * @param ipInt
     * @return
     */
    public static String int2ip(int ipInt) {
        StringBuilder sb = new StringBuilder();
        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();
    }

    /**
     * 獲取當前ip地址
     *
     * @param context
     * @return
     */
    public static String getLocalIpAddress(Context context) {
        try {

            WifiManager wifiManager = (WifiManager) context
                    .getSystemService(Context.WIFI_SERVICE);
            WifiInfo wifiInfo = wifiManager.getConnectionInfo();
            int i = wifiInfo.getIpAddress();
            return int2ip(i);
        } catch (Exception ex) {
            return " 獲取IP出錯鳥!!!!請保證是WIFI,或者請重新打開網絡!\n" + ex.getMessage();
        }
        // return null;
    }
}

//GPRS連接下的ip
public String getLocalIpAddress() {
    try {
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
        Log.e("WifiPreference IpAddress", ex.toString());
    }
    return null;
}