java获取网络类型的方法

/**** * 获取网络类型 * * @param context * @return */ public static String getNetType(Context context) { try { ConnectivityManager connectMgr = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = connectMgr.getActiveNetworkInfo(); if (info == null) { return ""; } if (info.getType() == ConnectivityManager.TYPE_WIFI) { return "WIFI"; } else if (info.getType() == ConnectivityManager.TYPE_MOBILE) { if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA) { return "CDMA"; } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE) { return "EDGE"; } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EVDO_0) { return "EVDO0"; } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EVDO_A) { return "EVDOA"; } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS) { return "GPRS"; } /* * else if(info.getSubtype() == * TelephonyManager.NETWORK_TYPE_HSDPA){ return "HSDPA"; }else * if(info.getSubtype() == TelephonyManager.NETWORK_TYPE_HSPA){ * return "HSPA"; }else if(info.getSubtype() == * TelephonyManager.NETWORK_TYPE_HSUPA){ return "HSUPA"; } */ else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_UMTS) { return "UMTS"; } else { return "3G"; } } else { return ""; } } catch (Exception e) { return ""; } }