how to get vpn on android

Environment.getdatadirectory (). GetPath ():/dataEnvironment.getdownloadcachedirectory (). GetPath ():/cacheEnvironment.getexternalstoragedirectory (). GetPath ():/mnt/sdcardEnvironment.getrootdirectory (). GetPath ():/systemContext.getcachedir (). GetPath ():/data/data/Package name/cacheContext.getexternalcachedir (). GetPath ():/mnt/sdcard/android/data/Package name/cacheContext.getfilesdir (). GetPath ():/data/data/Package name/filesContext.getobbdi

placed in the Rssi vector to be saved; Bluetoothadapter.action_discovery_finished is triggered when the search is over, indicating that a search period is over, sending msg through the bundle, informing the drawing The message handle to draw. "The drawing message handle handles bundle messages and refreshes " when a search cycle is completed, a bundle message is sent to trigger the drawing (45~48 line below), and the drawing finishes calling Dodiscovery to search again, and so on.PostscriptWhe

http://blog.csdn.net/kaiqiangzhang001/article/details/8350938 Http://www.kuqin.com/shuoit/20140108/337497.html http://blog.csdn.net/lzz360/article/details/16887237 Http://blog.sina.com.cn/s/blog_5a48dd2d0100tw0u.html Http://bbs.51cto.com/thread-954839-1.html 1. androidmanifest.xml join privileges: permission Android:name= "Android. permission. INTERNET "/> Permission Android:name= "Android. permissio

hole for a long time, look at this post to get you out of the hole in a moment.------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------During Dev ... I found a question by Android system (Huawei). It ' s no logo u want, when u install your apk.My guess, when u

Note: This article is translated from Google's official Android developers training document, translator technology generally, because of the love of Android and produced the idea of translation, purely personal interests and interests.Original link: http://developer.android.com/training/contacts-provider/retrieve-details.htmlThis lesson will show you how to get

Toast.maketext (mainactivity. This, "get commit Failed", Toast.length_short). Show (); } if (Postbutton = = v) { /* * If it is a POST request, the request parameter is placed in the request body, * NAME=%E6%88%91AGE=12 * **/ StringBuilder buf = new StringBuilder (); Buf.append ("Name=" +urlencoder.encode (Name.gettext (). toString (),"UTF-8") +""); Buf.append ("age=" +urlencoder.encode (Age.gettext (). toString (),"UTF-8"));

Original: Android Get screen resolutionThere are three ways to get a screen size as follows://acquired via WindowManagerdisplaymetrics dm = new Displaymetrics ();Getwindowmanager (). Getdefaultdisplay (). Getmetrics (DM);//Acquired through Resourcesdisplaymetrics dm2 = Getresources (). Getdisplaymetrics ();//Get the de

The latest version of the SDK adds the phrase "type_orientation this constant is deprecated. Use Sensormanager.getorientation () instead. This means that the method has been canceled, and the developer uses sensormanager.getorientation () to get the original data.In fact, the Android get direction is obtained by the magnetic field sensor and the accelerometer sen

(drawable appIcon) { This. AppIcon =AppIcon; } PublicString Getappname () {returnAppName; } Public voidsetappname (String appName) { This. AppName =AppName; } Public intgetappsize () {returnappsize; } Public voidSetappsize (intappsize) { This. AppSize =appsize; } Public BooleanisSd () {returnisSd; } Public voidSETSD (BooleanSD) {IsSd=SD; } Public BooleanIsSystem () {returnIsSystem; } Public voidSetsystem (Booleansystem) {IsSystem=system; }}The properties

============ Problem Description ============How does Android get the USB stick directory?I want to implement in a USB flash drive to copy a database to the app's local database folder inside replace the old databaseCan I do that with an input/output stream? Database names are the same.Now don't know how to get the directory of USB flash driveAsk the big God to s

Android mobile guard-custom controls (get focus TextView) and androidtextview URL: http://www.cnblogs.com/wuyudong/p/5906735.html. This article will implement the text marquee effect in textview under the title bar, that is, to roll a line of text horizontally, the effect is as follows: The implementation code is as follows: If you also need this effect in other places, it is troublesome to copy the code.

it, displayed in the ListView control. In addition, the address of the song list is Http://files.cnblogs.com/liuning8023/Android_Music_Demo_json_array.xml, although it is an XML file, but the inside is the JSON format, This does not have any effect on the program, Cnblog does not allow uploading. JSON file. In summary, the demo 1, 2, compared to the demo 3, 4, only the way to get a list of songs, the results are almost the same. These four de

(1) Call the Android Api:networkinterface. Gethardwareaddress ()The level of the API is 9, only Android 2.3 or more of the interface(2) Call Android Api:wifimanagerPermissions:Code:1 Wifimanager WiFi = (wifimanager) Getsystemservice (context.wifi_service); 2 wifiinfo info = wifi.getconnectioninfo (); 3 return info.getmacaddress ();This is the device to activate t

"Android programming is very simple" is a unique Android learning books, is a complex to simplify, the abstract problem of concrete, the complexity of the problem of simplifying the book. The book to avoid the emergence of enveloping, obscure explanation, replaced with a relaxed lively, easy-to-digest analysis. This will make reading the book of the blocked detours, quickly

How do we get the value of the ListView check in Android? For example, if we've got the names and phone numbers of the contacts saved in the phone and shown them in an Android ListView, now the function is to dial directly when you click on the selection, how do you get the number in the

Get the home button press message under AndroidUnder Android, it is not possible to intercept the home key message through events such as onkeydown, for reasons that have been explicitly stated in the Android documentationTranslation will not do, in short, the app can not intercept the Home button event (there was a high man in the 2.3 below the system, using the

In the original: Android system get IMEI number Mobile number IMSI numberSource code: Http://www.zuidaima.com/share/1550463673584640.htmFirst, get IMEI numberTelephonymanager telephonymanager= (Telephonymanager) This.getsystemservice (Context.telephony_service);String Imei=telephonymanager.getdeviceid ();Permissions Required:Second,

Original address Content of this article Environment Demo Lazylist get pictures from the network and cache them Resources This article is a demo on Github that gets a thumbnail of the singer's album over the Web and appears in the ListView control. The demo has the ability to cache thumbnails to the phone external memory, so it's called "Lazy" so it doesn't have to be fetched over the network every time. The demo i

Get started with Android, record the problems encountered in learning and some personal summaries.Contact database path is:/data/data/com.android.providers.contacts/database/contacts2.dbPermissions issues: Android 6.0 or more just write permissions in XML is not enough, the code also needs to write. if (Build.VERSION.SDK_INT >= build.version_codes. 　　M checksel

Configuring the BAIDUMAP Environment 1. In the Baidu API to create a new one of their app package name and app name to be aware of their Android Studio and the package name and app name consistent; 2. Baidu map also needs to fill in a SHA1 digital signature: A, input keytool-list-v-keystore Debug.keystore, you will get three fingerprint certificates, select the SHA1 type of certificate (the key password