判断 ip 是否为wifi

引用:http://www.oschina.net/code/snippet_54100_5507

//获取本地ip地址

47
 
48
 public String getLocalIpAddress() {

49
  try {

50
   Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();

51
   while (en.hasMoreElements()) {

52
    NetworkInterface intf = en.nextElement();

53
    Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses();

54
    while (enumIpAddr.hasMoreElements()) {

55
     InetAddress inetAddress = enumIpAddr.nextElement();

56
     if (!inetAddress.isLoopbackAddress()) {

57
      return inetAddress.getHostAddress().toString();

58
     }

59
    }

60
   }

61
  } catch (SocketException ex) {

62
   ex.printStackTrace();

63
  }

64
  return null;

65
 }

66
 
67
  
68
 
69
//判断是否为wifi网络

70
 
71
//记得要加权限 android.permission.ACCESS_NETWORK_STATE

72
 
73
public static boolean isWifi(Context mContext) {

74
  ConnectivityManager connectivityManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);

75
  NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();

76
  if (activeNetInfo != null && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {

77
   return true;

78
  }

79
  return false;

80
 }

81