how to get vpn on android

We need to get the physical dimensions of the Android phone or pad screen to facilitate the design of the interface or the implementation of other functions. Let's share some of the most common ways to help Android: Get screen Height: /** * Get screen height * @para

Rt.. I previously felt that Android network communication is amazing, magic ... Recently learned the network knowledge, now to summarize how to doWell, let's take an example to illustrate the principle.The use of this demo:1. Users can access a Web page2. The user submits the user name and password to the HTTP server, displaying the submitted content in the Tomcat console.Let's start by introducing how to access the Web pageLook at the codePackage Com

The project implements the following functions :Get Mobile album, click on each album to enter the picture list of the album interface, in the Picture list interface can achieve multiple selection of pictures, and then into the selected image interface, in this interface can achieve the selected image upload and other functions.the biggest feature of the project:1, to obtain a list of albums, the current network above the introduction of the album to

Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical" > ButtonAndroid:id= "@+id/btn_battery"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Get information on battery" /> TextViewAndroid:id= "@

============ 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

The project implements the following functions:Get Mobile album, click on each album to enter the picture list of the album interface, in the Picture list interface can achieve multiple selection of pictures, and then into the selected image interface, in this interface can achieve the selected image upload and other functions.The biggest feature of the project:1, to obtain a list of albums, the current network above the introduction of the album to obtain a few items, this article specifically

This article illustrates how Android gets the strength of the currently connected WiFi signal, and is a very common and important skill in Android development. Share for everyone to use for reference. The specific methods are as follows: 1. Get WiFi information that is currently connected Wifimanager Wifi_service = (wifimanager) getsystemservice (wifi_se

Everybody help!Bloggers participate in 2014 blog star activities, we help vote! Punch here!It is a very interesting thing to know the hardware through the program. I studied the physical size of the screen on WM6.5, but it has not been successful. Later, I wanted to make a breakthrough on Android, but I didn't get the exact size before today. Although many people think that there is no need to be so serious

Hello everyone, I spoke about how to get location via locationmanager in the previous section. If you have not read the previous section, you can click the following link to view it: Android advanced tutorial 14 --- use of Android location! One of our purposes to get location is to

value is returned.The Android 2.3 can be obtained via Android.os.Build.SERIAL, and non-mobile devices can be obtained through this interface.Fifth way: android_idANDROID_ID is a number of 64bit that is generated and stored when the device is first started and resets when the device is wipeANDROID_ID seems to be a good choice to get a device ID, but it's also flawed:It is reliable and stable in

Package COM. example. demorequest; import Java. io. bufferedreader; import Java. io. inputstream; import Java. io. inputstreamreader; import Java. util. arraylist; import Java. util. list; import Org. apache. HTTP. httpentity; import Org. apache. HTTP. httpresponse; import Org. apache. HTTP. namevaluepair; import Org. apache. HTTP. client. httpclient; import Org. apache. HTTP. client. entity. urlencodedformentity; import Org. apache. HTTP. c Lient. methods. httpget; import Org. apache. HTTP. cli

Android ADB obtains the root permission (1) In Android compiled by myself, the ADB shell automatically obtains the root permission (that is, the display # instead of $ ): Method: Modify./Default. Prop Set Ro. Secure to 0, persist. Service. ADB. Enable to 1, and the adbd process will start as the root user. For the principles, see the following reprinted article. (2) other programs need to obtain root p

(username, password); System.out.println ("REUSLT:" +result); if(result!=NULL) {Runonuithread (NewRunnable () {@Override Public voidrun () {Toast.maketext (mainactivity. This, result, 0). Show (); } }); } Else{Runonuithread (NewRunnable () {@Override Public voidrun () {Toast.maketext (mainactivity. This, "Failed to get

more and more Android apps are now using their mobile phone numbers to sign up and get their phone verification code to complete their registration. There are many applications to provide phone address Book backup function, get your permission to save your phone number in the address book to the server, you want to be down, for example, QQ, etc. have this functio

Environment Common methods:* Method: Getdatadirectory ()Explanation: Return File to get the Android data directory.* Method: Getdownloadcachedirectory ()Explanation: Return File to get the Android download/cache content directory.* Method: getExternalStorageDirectory ()Explanation: Return File,

Get custom properties Everyone is very familiar with it, not much to say (define Declare-styleable,context.obtainstyledattributes Balabala ... ）Let's talk about how to get non-custom attributes, such as android:entries,android:gravity and so on, the way the above is not working, because you can't get Android. R.styleab

In Android, there are times when you need to load controls in an XML layout that is not in the original activity to enrich the interface of the Android program. I am in the use of Viewflipper problems encountered. public void OnCreate (Bundle savedinstancestate) { super.oncreate (savedinstancestate); Setcontentview (r.layout.main); Inflater= (Layoutinflater) Getsystemservice (layout_inflater_servi

-y2 1024x768 768 160 768*160/160 =768 = SW720DP Brand 800*480 480 120 480*160/120 =640= SW600DP Brand 800*480 480 160 480*160/160 =480= SW480DP After calculating the result by Formula SW*160/DPI, select a DP that is smaller than the result and closest to the value. For example, the example of H7 (Android 5.1) is calculated to be 540.84, if you have a sw480dp under the

Learn how to get the unique identifier of an android device (21) Because a stable and reliable unique device identification code is required for the project, some information on the internet is searched. We will introduce several methods today.1. DEVICE_ID If we do need the identifier of a real device, DEVICE_ID may be used. In the past, our Android device was a

How to get started with Android Studio Although Google has long said that we want to use android studio for eclipse say bye But after I tried the download, I gave up. Why? Which package will be downloaded as soon as it is started? why? Because there is a wall in tianchao Then I found an open-source project on GitHub today, which contains what I want. However, th