Android开发获取手机内网IP地址与外网IP地址的详细方法与源码实例

 // wifi下获取本地网络IP地址（局域网地址） public static String getLocalIPAddress(Context context) { WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); if (wifiManager != null) { @SuppressLint("MissingPermission") WifiInfo wifiInfo = wifiManager.getConnectionInfo(); String ipAddress = intIP2StringIP(wifiInfo.getIpAddress()); return ipAddress; } return ""; } 

 // 获取有限网IP public static String getHostIp() { try { for (Enumeration en = NetworkInterface .getNetworkInterfaces(); en.hasMoreElements(); ) { NetworkInterface intf = en.nextElement(); for (Enumeration enumIpAddr = intf .getInetAddresses(); enumIpAddr.hasMoreElements(); ) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) { return inetAddress.getHostAddress(); } } } } catch (Exception ex) { } return "0.0.0.0"; } 

 /** * 获取外网ip地址（非本地局域网地址）的方法 */ public static String getOutNetIP() { String ipAddress = ""; try { String address = "http://ip.taobao.com/service/getIpInfo2.php?ip=myip"; URL url = new URL(address); HttpURLConnection connection = (HttpURLConnection) url .openConnection(); connection.setUseCaches(false); connection.setRequestMethod("GET"); connection.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.7 Safari/537.36"); //设置浏览器ua 保证不出现503 if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) { InputStream in = connection.getInputStream(); // 将流转化为字符串 BufferedReader reader = new BufferedReader( new InputStreamReader(in)); String tmpString; StringBuilder retJSON = new StringBuilder(); while ((tmpString = reader.readLine()) != null) { retJSON.append(tmpString + "\n"); } JSONObject jsonObject = new JSONObject(retJSON.toString()); String code = jsonObject.getString("code"); Log.e(TAG, "提示：" +retJSON.toString()); if (code.equals("0")) { JSONObject data = jsonObject.getJSONObject("data"); ipAddress = data.getString("ip")/* + "(" + data.getString("country") + data.getString("area") + "区" + data.getString("region") + data.getString("city") + data.getString("isp") + ")"*/; Log.e(TAG, "您的IP地址是：" + ipAddress); } else { Log.e(TAG, "IP接口异常，无法获取IP地址！"); } } else { Log.e(TAG, "网络连接异常，无法获取IP地址！"); } } catch (Exception e) { Log.e(TAG, "获取IP地址时出现异常，异常信息是：" + e.toString()); } return ipAddress; } 

 @SuppressLint("MissingPermission") public static String getIpAddress(Context context) { if (context == null) { return ""; } ConnectivityManager conManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); try { NetworkInfo info = conManager.getActiveNetworkInfo(); if (info != null && info.isConnected()) { // 3/4g网络 if (info.getType() == ConnectivityManager.TYPE_MOBILE) { return getHostIp(); } else if (info.getType() == ConnectivityManager.TYPE_WIFI) { //          return getLocalIPAddress(context); // 局域网地址 return getOutNetIP(); // 外网地址 } else if (info.getType() == ConnectivityManager.TYPE_ETHERNET) { // 以太网有限网络 return getHostIp(); } } } catch (Exception e) { return ""; } return ""; }

 /** * 获取ip地址 * @return */ public static String getHostIP() { String hostIp = null; try { Enumeration nis = NetworkInterface.getNetworkInterfaces(); InetAddress ia = null; while (nis.hasMoreElements()) { NetworkInterface ni = (NetworkInterface) nis.nextElement(); Enumeration ias = ni.getInetAddresses(); while (ias.hasMoreElements()) { ia = ias.nextElement(); if (ia instanceof Inet6Address) { continue;// skip ipv6 } String ip = ia.getHostAddress(); if (!"127.0.0.1".equals(ip)) { hostIp = ia.getHostAddress(); break; } } } } catch (SocketException e) { Log.i("yao", "SocketException"); e.printStackTrace(); } return hostIp; }

 /** * 获取IP地址 * @return */ public static String GetNetIp() { URL infoUrl = null; InputStream inStream = null; String line = ""; try { 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) { inStream = httpConnection.getInputStream(); BufferedReader reader = new BufferedReader(new InputStreamReader(inStream, "utf-8")); StringBuilder strber = new StringBuilder(); while ((line = reader.readLine()) != null) strber.append(line + "\n"); inStream.close(); // 从反馈的结果中提取出IP地址 int start = strber.indexOf("{"); int end = strber.indexOf("}"); String json = strber.substring(start, end + 1); if (json != null) { try { JSONObject jsonObject = new JSONObject(json); line = jsonObject.optString("cip"); } catch (JSONException e) { e.printStackTrace(); } } return line; } } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return line; }