Android之判断当前网络状态
16lz
2021-12-18
/** * 检测网络是否可用 * @return */ public boolean isNetworkConnected() { ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo ni = cm.getActiveNetworkInfo(); return ni != null && ni.isConnectedOrConnecting(); } /** * 获取当前网络类型 * @return 0：没有网络 1：WIFI网络 2：WAP网络 3：NET网络 */ public static final int NETTYPE_WIFI = 0x01; public static final int NETTYPE_CMWAP = 0x02; public static final int NETTYPE_CMNET = 0x03; public int getNetworkType() { int netType = 0; ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo(); if (networkInfo == null) { return netType; } int nType = networkInfo.getType(); if (nType == ConnectivityManager.TYPE_MOBILE) { String extraInfo = networkInfo.getExtraInfo(); if(!StringUtils.isEmpty(extraInfo)){ if (extraInfo.toLowerCase().equals("cmnet")) { netType = NETTYPE_CMNET; } else { netType = NETTYPE_CMWAP; } } } else if (nType == ConnectivityManager.TYPE_WIFI) { netType = NETTYPE_WIFI; } return netType; }
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