java android网络监测详解编程语言

public static boolean isNetworkAvailable(Context context) { ConnectivityManager connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity == null) { } else { NetworkInfo[] info = connectivity.getAllNetworkInfo(); if (info != null) { for (int i = 0; i info.length; i++) { if (info[i].getState() == NetworkInfo.State.CONNECTED) { return true; return false; /** * wifi是否打开 public static boolean isWifiEnabled(Context context) { ConnectivityManager mgrConn = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); TelephonyManager mgrTel = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); return ((mgrConn.getActiveNetworkInfo() != null mgrConn .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS); /** * 判断当前网络是否是wifi网络 * if(activeNetInfo.getType()==ConnectivityManager.TYPE_MOBILE) { //判断3G网 * @param context * @return boolean public static boolean isWifi(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetInfo != null activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) { return true; return false; /** * 判断当前网络是否是3G网络 * @param context * @return boolean public static boolean is3G(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetInfo != null activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) { return true; return false;

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