vpn connection android

Booleaniswifienabled (Context context) {2Connectivitymanager Mgrconn =(connectivitymanager) Context3 . Getsystemservice (Context.connectivity_service); 4Telephonymanager Mgrtel =(telephonymanager) Context5 . Getsystemservice (Context.telephony_service); 6 return(Mgrconn.getactivenetworkinfo ()! =NULLMgrconn7. Getactivenetworkinfo (). GetState () = = NetworkInfo.State.CONNECTED) | |Mgrtel8. Getnetworktype () = =Telephonymanager.network_type_umts); 9}Iv. Judging whether it is a 3G network

To open a network connection by using a URLString urlString = "http://"+et_url.getText()+"";if(urlString.length()>0){ try { String line = ""; URL url = new URL(urlString); URLConnection urlConnection = url.openConnection(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream())); while ((line = bufferedReader.readLine())!=null){ if(line.indexOf("a href")>=0)

The title console message may appear when you run the program during Eclipse Development on Android. This situation requires a restart of ADB,The specific methods are:cmd command into the DOS command line, if the Adb.exe path has been added to the environment variable path, you can directly knock "adb kill-server" to kill the ADB process, and then hit "adb start-server", restart the ADB service.If the Adb.exe path is not in the environment variable, y

Today I'm going to test the security of the connection and whether the data can be sniffed.The Android Simulator provides a built-in tcpdump that we use to grab the package.1. Start the simulator with tcpdump[Email protected]:~/desktop$ emulator-avd avd1-tcpdump 7-14.cap # here my simulator name is AND1, and the result of the capture package is saved as 7-14.cap [Email protected]:~/desktop$ ll 7-14-rw-rw-r

When testing JSON data with Android, an exception was reported:java.net.connectexception:localhost/127.0. 0.1:8080 -Connection refusedIt turns out that the simulator defaults to localhost or 127.0.0.1 as itself.On the Internet, you can use 10.0.2.2 instead of 127.0.0.1 and localhost on the simulator.In addition, if it is in the LAN environment can be used 192.168.0.x or 192.168.1.x (depending on the configu

globalparams.ip=query.getstring (Query.getcolumnindex ("proxy")); Globalparams.port=query.getint (Query.getcolumnindex ("PORT"));}} /** * Determine if WiFi is connected * * @return */private static Boolean iswificonnection (context context) {Connectivitymanager manaGER = (Connectivitymanager) context.getsystemservice (Context.connectivity_service); Networkinfo networkinfo = Manager.getnetworkinfo (Connectivitymanager.type_wifi); if (networkinfo! = null) return Networkinfo.isconnected (); return

==================== Problem Description ====================I want to do a user registration login function, with a map to the user name and password to the server side, but on the servlet server side, how to get the user's name and password from the response input stream? Ask for advice from the elder, small white grateful==================== Solution 1====================HttpPost request = new HttpPost (URL);Set the encoding of the parameterRequest.setentity (New urlencodedformentity (params,

Android applicationsProgramYou can use the getinputstream () method of httpurlconnection to access files on the web server. However, during debugging, I always prompt a connection refused exception. Then I analyzed it carefully: The URL of the server file to be downloaded is http: // localhost: 8080/mp3player/resources. XML. Because my mobile phone is connected to my computer via USB, I initially thought t

[A basket of meals very rare original, reprint please indicate from http://www.cnblogs.com/wanghafan/archive/2012/11/30/2796379.html] The connection to ADB is down, and a severe error has occured.Solution: 1. ADB kill-server in cmd, and then ADB-startserver2.kill adb.exe in the task manager and restart eclipse.3. Uninstall "wrist bean clip"4. Disable "360 security guard"5. Uninstall "aliwangwang"6.search for the adb.exefile on the drive C and downlo

There are a number of solutions available on the Internet, mainly in the following ways:1 shut down Windows Firewall;2 Turn off IPv6 or set IPv4 preferences, specifically: In Device Manager, Show hidden devices, disable a network device beginning with "Teredo", Increase in Eclipse.ini file (last line parameter) OpenFile-vmargs-djava.net.preferipv4stack=true 3 Turn off the virtual NIC (virtual network adapter created by VMware, VirtualBox, etc.);My first do 2, 32 steps, have no success, f

Errors frequently occur when you use android recently.The connection to adb is down, and a severe error has occured.I found many solutions on the Internet, such as 'Abd kill-Server' and 'adb start-Server, the displayed result is '* server not running *', and then 'adb server didn' t ACK, fail to start XXX' and so on. After trying for a long time, consider whether the process is occupied due to a duplicate

). Create (). Show ();}}private static Pattern Getemailpattern () {if (Sharppattern = = null) Sharppattern = Pattern.compile ("[\\w[.-]][email Protected][\\w[.-]]+\\. [\\w]+]; return sharppattern;} private void Applyregexpattern (TextView TextView, Spannablestringbuilder stringBuilder, pattern pattern, Messagebundlespan.linktype type) { Matcher Matcher = Pattern.matcher (Textview.gettext (). toString (). toLowerCase ( )); while (Matcher.find ()) { String text = Textvie

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============ Problem Description ============I want to do a user registration login function, with a map to the user name and password to the server side, but on the servlet server side, how to get the user's name and password from the response input stream? Ask for advice from the elder, small white grateful============ Solution 1============HttpPost request = new HttpPost (URL);Set the encoding of the parameterRequest.setentity (New urlencodedformentity (params, HTTP. Utf_8));arraylist========

When the Android app needs to connect to the network, it does not connect to the network every time, so the program needs to detect the current device's network status in order to alert the user in a timely manner.To determine the status of the network, you need to have the appropriate permission code as follows (Androidmanifest.xml):? 12 "android.permission.ACCESS_NETWORK_STATE">"android.permission.INTERNET"> Code to d

Click project run and report the following error: [15:27:13-QualityPicture_Client1.3.1.9.7.1] ------------------------------ [15:27:13-QualityPicture_Client1.3.1.9.7.1] Android Launch! [15:27:13-QualityPicture_Client1.3.1.9.7.1] The connection to adb is down, and a severe error has occured. [15:27:13-QualityPicture_Client1.3.1.9.7.1] You must restart adb and Eclipse. [15:27:13-QualityPicture_Client1.3.1.9.7

)); ConnManagerParams.setMaxTotalConnections(httpParams, DEFAULT_MAX_CONNECTIONS); HttpProtocolParams.setVersion(httpParams, HttpVersion.HTTP_1_1); HttpProtocolParams.setContentCharset(httpParams, "UTF-8"); HttpConnectionParams.setStaleCheckingEnabled(httpParams, false); HttpClientParams.setRedirecting(httpParams, false); HttpProtocolParams.setUserAgent(httpParams, "Android client"); HttpConnectionParam

Android Network Connection Tool Public class NetUtil {/*** check the current network */public static boolean checkNet (Context context) {// determine whether the current user's mobile phone uses WIFI to communicate boolean isWIFI = isWIFIConnection (context); // determine whether the current user's mobile phone uses APN to communicate boolean isAPNConnection (context ); // No -- Prompt User -- jump to the n

After the night God Simulator is installed, open the simulator and enter the bin directory of the night God simulator on the cmd command line.Originally thought does not support the Chinese, did not expect to really support hahaThen enter the ADB connect 127.0. 0.1:62001 will be able to connect successfully.PS: In Android studio, there is a command-line tool, which can be successfully entered in the commandA simulator selection will appear after th