how to get vpn on android

There are a number of scenarios and requirements that you need to use a unique identifier for your mobile device.In Android, there are several ways to get such an ID.1. The IMEI: only valid for Android phones: 12 (telephonymanager)getsystemservice(telephony_servicetelephonymgr. Getdeviceid With this approach, you need to

,service are the same object. So in Android we can avoid using static variables to store long-lasting values, and use application.In order to make better use of this feature of application, for example we need to application to save some static values, we need to customize the class that inherits from application, and then define a variable in this class to save. The Application object is automatically generated by the application system by default, b

Android development ---------- get apk software resources, androidapk APK is a compressed file. We can use the compression tool to open it directly: for example, winrar Click the APK file you want to decompress, select the open mode, and decompress it using the compression tool: 2. Click extract: After decompression, you will get the required res

As a result of the work needed, the method of acquiring memory information on Android was studied, and summarized as follows:1.SDK getThe Java layer takes advantage of the API to get very simple, directly using the Activitymanager.memoryinfo class, the code is as follows: Activitymanager activitymanager=(Activitymanager) Getsystemservice (context.activity_service); Activitymanager.memoryin

using Cygwin to get the Android source code under WindowsWindows Android Git Python Firewall Using Cygwin to get the Android source code under Windows 1, Prepare Cygwin environment , which should have curl, wget, Python and other basic tools. 2, Prepare source directory (su

why, but since know this piece of code so good to run. That is to get the packageparser.package through reflection and then encapsulate it into intentfilter. Solution: Directly on the code. Because it's all just a reflection and rewriting the code once. try {//Get parse Class Packageparser and instantiate class Packageparserclass = Class.forName ("Android.content.pm.PackageParser"); Object Packageparser

"android:layout_height="wrap_content" /> linearlayout>Androidmanifest.xml Configuring the Networkmanifest xmlns:android="Http://schemas.android.com/apk/res/android" package ="Custom.community.com.filedemo"> applicationandroid:allowbackup="true"android:icon="@mipmap/ Ic_launcher "android:label=" @string/app_name "android:supportsrtl=" True "android:theme=" @style/apptheme ">

The example in this article describes how Android gets the screen height and width. Share to everyone for your reference. The specific analysis is as follows: 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. Here's how to

vein, the non-system package must be placed under the Libs, or the program will be running when the report can not find the package error. Here's a look at how to make this jar package:First we need to understand why the hidden API (with the @hide tag) and the internal package are not available.When we use the Android SDK for development, we will use a very important JAR file--android.jar (Android SDK dire

Android SystemProperties set and get may have latency analysis, androidsetgetFirst, the set and get implementations of SystemProperties are different. During set, you must use a local socket to communicate with the property service (init process,After receiving the request, the property service then sets it to the property workspace (shared memory ).But the prope

Recently, bloggers are learning frangment framework, so they want to think about it through the listfragment to get the WiFi list.Good!Don't talk nonsense now.I. Basic knowledge of WIFIThe following five statuses are defined in the official Android documentation:Wifi_state_disabling? WiFi card is shutting down? 0wifi_state_disabled? WiFi nic not available? 1wifi_state_enabling?? WiFi card is open? 2wifi_sta