how to create vpn on android

Android Development Series (9): Create a database and complete simple CRUD operations This blog post mainly implements simple database creation and CRUD operations. First, create an Android Project named db 1. Complete database creation: You can use getWritableDatabase () and getReadableDatabase () in the SQLiteOpenHel

StatementWelcome reprint, but please keep the original source of the article →_→Life One number: http://www.cnblogs.com/smyhvae/Article Source: http://www.cnblogs.com/smyhvae/p/4392611.htmlContact information: [Email protected]BodyAll said the holiday does not rest, playing is so capricious!!!"Development Environment"Physical Machine Version: Win7 flagship edition (64-bit)Android Studio Version: 1.1 Official editionFirst, the new project:1.

Use Kotlin to develop Android applications (II): Create a new project, kotlinandroid This is the second article about Kotlin. If you discover any problems, please continue to "shoot bricks ". Original article title: Kotlin for Android (II): Create a new project Link: http://antonioleiva.com/kotlin-

Create and use an android Library Project Summary : Create a library for multiple projects to share Code Resources are very common requirements. There is very little such information on the Internet, basically it is about creating a Java project and then export. There are many disadvantages of this method. You can Google it yourself. This article focuses on

I've had an Android studio in the Sunday, and it's been a little bit more, but let's start with creating a project, first of all we need to familiarize ourselves with project and Module Concepts in Android Studio. In Android studio, project is a workspace similar to workplace in Eclipse, which refers to a specific project similar to a project in eclipse. Eclipse

The following are simple:Now use the fragment to implement a simple dynamic UI, click the title of the left title bar, and then the left body bar to display the corresponding article1. Add two fragment in the Activity_main.xml layout.One corresponding to the left of the title bar, a corresponding to the right of the body barlinearlayout xmlns:android="Http://schemas.android.com/apk/res/android" Android:id="@+id/layout_main"android:layout_width="Match

Most Android Developers use Eclipse to develop Android. This article will introduce how to build an Eclipse-based Android development environment in Ubuntu. First of all, I have installed it through the Ubuntu virtual machine. The following is the installation: Install Ubuntu Virtual Machine Install Eclipse First, install Eclipse, download the linux version of Ec

As an android developer, how to download compiled AMSS and AP images to your mobile phone is the first step in creating a development environment and a test environment1. Download and decompress the android driver package.Currently, Google adds more new features to the smartphone operating system andriod, with the Development code "cupcake". In the new Android ve

Android Development Series (26): Use PopupWindow to create a dialog box style window Creating a dialog box style window is simple and requires the following steps: 1. Call the PopupWindow constructor to create a PopupWindow object. 2. Call showAsDropDown (View v) of PopupWindow to display it as the drop-down component of the v component: or call the showAtLocatio

Android -------- create the Context of another package from avti.pdf in one package, Android has the concept of Context, which must be known to everyone. Context can do many things, such as opening activity, sending broadcast, opening folders and databases under this package, obtaining classLoader, and obtaining resources. If we get the Context object of a packag

[Android Studio authoritative tutorial] configure the SDK offline and create the first AS project, androidsdk In the first three articles of bolg, I shared with you how to install Android Studio, but we have not used AS to create an Android project. In this blog, we star

JDK installation path, this environment variable itself does not exist, you need to create, you can use%java_home% as a unified reference path, the value is: JDK on your computer installation path 2) PATH The path attribute already exists and can be edited directly. function is used to configure the path to simplify the input of the command, the value is:%java_home%bin 3) CLASSPATH The path to use for the Java class at co

Develop the first Android Application-helloandroid in eclipse Step 1: Select File> New> project from the eclipse menu bar and select androidproject under android to create a new androidproject. The new androidproject dialog box is displayed. 1. projectname (project name) 2. application name (project name by default) 3. package name (package name) 4.min SDK versio

Android Ndk:② First NDK program (Create steps some questions)This section is: Demo to build the first NDK program Android NDK First NDK program creation steps some questions Create an Android Project Declaring the native method in Java code

Before reading this article, you must ensure that the preliminary work has been completed. The Android development environment has been set up, cygwin has been installed successfully, and the CDT plug-in of eclipse has been integrated with OK, the ndk has been decompressed normally (the DNK version is android-ndk-r8b and must ensure that the ndk version is no less than 5 ). 1. For files in cygwin: Change t

No exception. Most prominently, a configuration file named setup.py is added to the root directory of the file. Run it to configure some of the system's environment variables.2. Create a projectNew version let's start by creating a new project. Find the Tools folder .... The size of the create-project.py file seems to have been wood! Originally, in the new version, the creation of a new project can already

Android Development Series (19th): Use ContextMenu to create context menus In the previous article, we introduced the options for creating a context menu. Here we will introduce how to create a context menu. The context menu is to press a piece of text and then display the corresponding menu. For example, you can paste a text menu on a certain floor in Chang 'An.

IntroductionIn its more basic form, a launcher is an application that does the following: It represents the home screen of a device It lists and launches applications that is installed on the device In other words, it's the application that shows up when you press the home button. Unless you ' ve already installed a custom launcher and you're currently using the default launcher that comes with your Andro ID installation. A lot of device manufacturers has their own default, cus

A pattern is a fixed solution that solves a problem in a situation.All creation patterns are used as a solution for creating or instantiating objects.1 Simple Factory mode The simplest way to create an object is to use new to create an object, and if you create only one fixed object , you can use new to create

Use Kotlin to create the first Android Project (KAD 01) and kotlinandroid Original article title: Create your first Android project using Kotlin (KAD 01) By Antonio Leiva Time: Nov 21,201 6 Link: http://antonioleiva.com/create-first-andr