一、判断网络连接是否可用(返回true表示网络可用,false为不可用) 1publicstaticbooleancheckNetworkAvailable(Context context) {2ConnectivityManager connectivity =(ConnectivityManager) context3.getSystemService(Context.CONNECTIVITY_SERVICE);4if(connectivity ==null) {5returnfalse;6}else{7NetworkInfo[] info =connectiv...
你可以通过ConnectivityManager类来实现这一功能。 importandroid.content.Context;importandroid.net.ConnectivityManager;importandroid.net.NetworkInfo;publicclassNetworkUtils{publicstaticbooleanisNetworkAvailable(Contextcontext){ConnectivityManagerconnectivityManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_S...
if (!flag) { setNetwork(); } else { isNetworkAvailable(); } tv.setText(sb.toString()); return flag; } /** * 网络未连接时。调用设置方法 */ private void setNetwork() { Toast.makeText(this, "wifi is closed!", Toast.LENGTH_SHORT).show(); AlertDialog.Builder builder = new AlertDia...
if (!flag) { setNetwork(); } else { isNetworkAvailable(); } tv.setText(sb.toString()); return flag; } /** * 网络未连接时。调用设置方法 */ private void setNetwork() { Toast.makeText(this, "wifi is closed!", Toast.LENGTH_SHORT).show(); AlertDialog.Builder builder = new AlertDia...
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Wi-Fi only: Updates are installed only when the device is connected to a Wi-Fi network. Always: Updates are installed when they're available. Allow access to all apps in Google Play store: When set to Block: Users can't access apps in the Google Play store and can't access any priva...
A virtual private network sends your internet traffic through another server, hiding your public IP address from the websites and services you access. It’s a little bit like a proxy in that it can make you appear as though you’re browsing from basically anywhere on the planet. But where...
. It is also used to send broadcast intents when network connectivity changes.getAllNetworkInfo (): It returns connection status information about all network types supported by the device. Method:public static boolean internetConnectionCheck(Activity CurrentActivity) { Boolean C...