在wifi环境下使用wifiManager来获取
在移动网络环境下使用NetworkInterface来获取
/**
* 获取ip地址的函数
* 2016年4月25日 16:08:06
*/
public static String getIP(Context application) {
//获取wifi服务
WifiManager wifiManager = (WifiManager) application.getSystemService(Context.WIFI_SERVICE);
//判断wifi是否开启
if (!wifiManager.isWifiEnabled()) {
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()) {
return inetAddress.getHostAddress().toString();
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
} else {
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int ipAddress = wifiInfo.getIpAddress();
String ip = intToIp(ipAddress);
return ip;
}
return null;
}
private static String intToIp(int i) {
return (i & 0xFF) + "." +
((i >> 8) & 0xFF) + "." +
((i >> 16) & 0xFF) + "." +
(i >> 24 & 0xFF);
}
