java获取本机IP地址

/**
 * WIFI没打开：ip为127.0.0.1
 * 获取本机IP地址字符串
 * @return
 */
public String getWifiIp() {
    if (!getWifiEnabled()) {
        return "127.0.0.1";
    }
    WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
    int ipAddress = wifiInfo.getIpAddress();
    String ip = intToIp(ipAddress);
    Log.E(TAG, "ip: " + ip);
    return ip;
}

private String intToIp(int ip) {
    return (ip & 0xFF) + "." + ((ip >> 8) & 0xFF) + "." + ((ip >> 16) & 0xFF) + "." + ((ip >> 24) & 0xFF);
}