android check network connection status

Android Rxjava+retrofit Network exception capture, state code unified processing Preface Recently using Rxjava+retrofit for development, in the project encountered such a requirement, when the networking request to obtain data anomalies, the corresponding message and statuscode need to be obtained and displayed, such as:1. Server connection error: The correspon

Win8 app determines the network connection status, win8app Win8 app determines network connection status NetworkInformation. networkStatusChanged + = NetworkInformation_NetworkStatusChanged; // triggers private bool IsConnectedT

Detects if the current network is available, as follows: /** * Detect when the network (WLAN, 3g/2g) status * @param context * @return True indicates that the network is available */ Public Static Boolean isnetworkavailable(Context context) {Connectivitymanager connectivity = (Connectivitymanager) context. Getsyst

There are multiple ways to determine the network connection through the network: C # Program You can also determine the connection status with the remote host. Implementation MethodPublic String netstatus () {managementobjectcollection objects; string

/** * Determine the network connection status */ Public static Boolean isnetworkavailable (context ){ Connectivitymanager cwjmanager = (connectivitymanager) Context . Getsystemservice (context. connectivity_service ); Networkinfo info = cwjmanager. getactivenetworkinfo (); If (info! = NULL info. isconnected ()){ Customizedcustomtoast. maketext (mcontext,

When the number of TCP connections is very large, the current internal IP, the connection of the external IP is counted[[emailprotected]account_tcp]#cataccount_tcp.sh#!/bin/bash# Statistics the current network connection situation Netstat -na|awk '/^tcp/{s[$6]++}end{for (keyins) Printkey,s[key]} ' > /root/account_tcp/state.txt# statistics localaddress TCP

For example, the TCP network connection status on the server is shown as follows: [root@www.linuxidc.com ~] # Netstat-natActiveInternetconnections (serversandestablished) ProtoRecv-QSend-QLocalAddressForeignAddressStatetcp000.0.0.0: 100500.0.0.0: * LISTENtcp000. For example, the TCP network

View the tcp network connection status of netstat + awk in CentOS Run the following command: # Netstat-n | awk '/^ tcp/{++ state [$ NF]} END {for (key in state) print key. "\ t ". state [key]}' The following result is displayed, and the numbers are different: FIN_WAIT_1 286 FIN_WAIT_2 960 SYN_SENT 3 LAST_ACK 32 CLOSING 1 CLOSED 36 SYN_RCVD 144 TIME_WAIT 2520 ESTA

The internetgetconnectedstate function returns the network connection status of the local system. Syntax: Bool internetgetconnectedstate (_ out lpdword lpdwflags ,__ in DWORD dwreserved); parameter: Lpdwflags[Out] Point to a variable that receives the connection description. This parameter can still return a valid f

You may use the networkinterface. getisnetworkavailable () method to determine the network connection status. But unfortunately, when I disconnected the computer network (I did a test on the computer simulator and disconnected all wireless wired receivers ), the return value of this method is true. That is to say, yo

Article title: view the network connection status commands in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. View http process count [Root @ localhost conf] # ps-ef | grep httpd | wc-l 333 Count the

The user's current network is available: WiFi, 2g/3g Network, users open and not open the network, and whether can be used is not the same thing. Can use refers to: users open the network and can connect to the Internet for Internet access.To detect if the current network is

the record shown above, NF equals 6$nf represents a field value, such as the record shown above, $NF that is6That represents the value of the 6th field, time_waitstate[$NF] The number of connections that represent the value of the array element, as shown above, the state[time_wait] state++state[$NF] means adding a number to a record, as shown above, is the number of connections to the state[time_wait] state and an end represents the command to be executed in the final stage for(KeyinchState ) t

Android detects network connection and android Detection Permission: The Code is as follows: Package com. example. nettest;Import android.net. ConnectivityManager;Import android.net. NetworkInfo. State;Import android. OS. Bundle;Import