【android】获取本机ip地址

概述方法是利用网址：http://pv.sohu.com/cityjson?ie=utf-8，返回String类型的ip地址： public static String getNetIp() { String ip = ""; InputStream inputStream = null; try { URL infoUr

方法是利用网址：http://pv.sohu.com/cityJson?IE=utf-8，返回String类型的ip地址：

public static String getNetIp() {        String ip = "";        inputStream inputStream = null;        try {            URL infoUrl = new URL("http://pv.sohu.com/cityJson?IE=utf-8");            URLConnection connection = infoUrl.openConnection();            httpURLConnection httpconnection = (httpURLConnection) connection;            int responseCode = httpconnection.getResponseCode();            if (responseCode == httpURLConnection.http_OK) {                inputStream = httpconnection.getinputStream();                BufferedReader reader = new BufferedReader(new inputStreamReader(inputStream,"gb2312"));                StringBuilder builder = new StringBuilder();                String line = null;                while ((line = reader.readline()) != null) {                    builder.append(line);                }                inputStream.close();                int start1=builder.indexOf(":");                String str1=builder.substring(start1+1);                int start2=str1.indexOf("\"");                String str2=str1.substring(start2+1);                int start3=str2.indexOf("\"");                ip=str2.substring(0,start3);                return ip;            }        } catch (IOException e) {            e.printstacktrace();        }        return null;    }

注意用到网络连接的方法不能用在主线程

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