android 获取网络IP地址

 private String getIp(){
     WifiManager wm=(WifiManager)getSystemService(Context.WIFI_SERVICE);
     //检查Wifi状态
     if(!wm.isWifiEnabled())
         wm.setWifiEnabled(true);
     WifiInfo wi=wm.getConnectionInfo();
     //获取32位整型IP地址
     int ipAdd=wi.getIpAddress();
     //把整型地址转换成“*.*.*.*”地址
     String ip=intToIp(ipAdd);
     return ip;
 }
 private String intToIp(int i) {
     return (i & 0xFF ) + "." +
     ((i >> 8 ) & 0xFF) + "." +
     ((i >> 16 ) & 0xFF) + "." +
     ( i >> 24 & 0xFF) ;
 }

获取当前设备的IP地址

 

 WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
 WifiInfo wifiInfo = wifiManager.getConnectionInfo();
 int ipAddress = wifiInfo.getIpAddress();
 String ip = intToIp(ipAddress);

 public String intToIp(int i) {

    return ((i >> 24 ) & 0xFF ) + "." +
                ((i >> 16 ) & 0xFF) + "." +
                ((i >> 8 ) & 0xFF) + "." +
                ( i & 0xFF) ;
 }