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public class NetworkUtil { public static final int TYPE_NONE = -1; public static final int TYPE_MOBILE = 0; public static final int TYPE_WIFI = 1; private NetworkUtil() {} /** * 获取网络状态 * * @param context * @return one of TYPE_NONE, TYPE_MOBILE, TYPE_WIFI * @permission android.permission.ACCESS_NETWORK_STATE */ public static final int getNetWorkStates(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetworkInfo == null || !activeNetworkInfo.isConnected()) { return TYPE_NONE;//没网 } int type = activeNetworkInfo.getType(); switch (type) { case ConnectivityManager.TYPE_MOBILE: return TYPE_MOBILE;//移动数据 case ConnectivityManager.TYPE_WIFI: return TYPE_WIFI;//WIFI default: break; } return TYPE_NONE; }}
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