Android開發準確獲取手機IP地址的兩種方式
阿新 • • 發佈:2020-03-20
最近看了好多網上獲取IP地址的例子,發現好多都不完全準確,這裡我寫一下獲取ip地址的兩種方式。
比如微信支付,後臺在做介面的時候,要求App端傳入IP地址,我們需要判斷是網路環境,WI-FI還是3G,所以需要獲取這兩種環境的ip地址。
第一步:首先是判斷網路環境:
String ip; ConnectivityManager conMann = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo mobileNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); NetworkInfo wifiNetworkInfo = conMann.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if (mobileNetworkInfo.isConnected()) { ip = getLocalIpAddress(); System.out.println("本地ip-----"+ip); }else if(wifiNetworkInfo.isConnected()) { WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiInfo wifiInfo = wifiManager.getConnectionInfo(); int ipAddress = wifiInfo.getIpAddress(); ip = intToIp(ipAddress); System.out.println("wifi_ip地址為------"+ip); }
如果連線的是行動網路,第二步,獲取本地ip地址:getLocalIpAddress();這樣獲取的是ipv4格式的ip地址。
public String getLocalIpAddress() { try { String ipv4; ArrayList<NetworkInterface> nilist = Collections.list(NetworkInterface.getNetworkInterfaces()); for (NetworkInterface ni: nilist) { ArrayList<InetAddress> ialist = Collections.list(ni.getInetAddresses()); for (InetAddress address: ialist){ if (!address.isLoopbackAddress() && InetAddressUtils.isIPv4Address(ipv4=address.getHostAddress())) { return ipv4; } } } } catch (SocketException ex) { Log.e("localip",ex.toString()); } return null; }
如果連線的是WI-FI網路,第三步,獲取WI-FI ip地址:intToIp(ipAddress);
public static String intToIp(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(); }
網上的很多程式碼獲取的是ipv6的本地ip,在微信支付裡這種ip地址無法調起微信支付,附程式碼:
private String getlocalIp() { String ip; 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()&&!inetAddress.isLinkLocalAddress()) { // ip=inetAddress.getHostAddress().toString(); System.out.println("ip=========="+inetAddress.getHostAddress().toString()); return inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { Log.e("WifiPreference IpAddress",ex.toString()); } return null; }
本文主要介紹了Android準確獲取手機IP地址的兩種方式,更多關於Android獲取手機IP地址的方式請檢視下面的相關連結