<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> 

/**

     * 检查网络是否可用

     *

     * @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;

    }

    /**

     * 将ip的整数形式转换成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();

    }

    /**

     * 获取当前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 " 获取IP出错鸟!!!!请保证是WIFI,或者请重新打开网络!\n" + ex.getMessage();

        }

        // return null;

    }