how to create vpn for android

HelloWorld is a step that needs to be completed after setting up the environment, to create a simple HelloWorld, first to create the first Android project named HelloWorld.Create a new project, "Android Project", with the Project menu, file, and select some parameters, you can choose what you like, but only if you are

In the previous example, we set getview () of the adapter to write the UI we want. However, in Object-Oriented Programming, we want to create our own listview, for example, the class name is com. wei. android. learning. ratingview, as long as we replace listview with our own ratingview in XML, we can implement our style, and simply call listview in the source code. Goals In the

The example in this article describes how Android uses Oncreateoptionsmenu () to create menu menus. Share to everyone for your reference, specific as follows: Android has three different forms of menus: 1. Option menu (Optinosmenu)2. Context menu (ContextMenu)3. submenu (submenu) One of the most common is the option menu (Optionsmenu), which is displayed at th

been created, you do not need to create If (flag = false ){ AddShortCut (); } } Public void addShortCut (){ Intent shortcut = new Intent ("com. android. launcher. action. INSTALL_SHORTCUT "); // Set attributes Shortcut. putExtra (Intent. EXTRA_SHORTCUT_NAME, getResources (). getString (R. string. app_name )); Export cuticonresource iconRes = Intent. Reset cuticonresource. fromContext (AddShortCutActivity.

Android Development Series (9): Create a database and complete simple CRUD operations, androidcrud 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

It is not complicated to create the Android project of Cocos2d-X under Windows, the key is to change several environment variables. 1. Go to the Cocos2d-X home directory to modify create-android-project.bat" Everyone knows you should click "create-

cannot be found. You need to use the udev mechanism provided by the linux2.6 kernel. Create a file: Sudo gedit/etc/udev/rules. d/50-android.rules Add: SUBSYSTEM = "usb", SYSFS {"High Tech Computer Corp." }== "0bb4", MODE = "0666 ″ Then, execute the command to make it executable: Chmod a + rx/etc/udev/rules. d/50-android.rules After restarting the system, you can run the following command to view the connected Mobile phone device: Adb devices Or execu

The Android platform provides a wide range of visual UI components-Widgets. By combining these small visual components, You can provide users with complex and useful interfaces. However, applications often need some advanced visual components. To meet such requirements and achieve high efficiency, some standard widgets can be combined into a new reusable component. For example, a widget contains a progress bar and an operation progress bar of a Cancel

When Eclipse creates an Android project, you are prompted when previewing the Layout.xml file: This version of the rendering library was more recent than your version of ADT plug- In. Please update ADT plug-in, resulting in the inability to preview the layout file properly. Root cause: The SDK version is too high and the ADT version is too low. The workaround is as follows. Tools/Materials Eclipse ADT Plugin Method/Step 1Locate the Ecl

The Input Method Editor (IME) is a control that allows users to input text. Android provides an extensible Input Method framework that allows applications to provide users with additional input methods, such as soft keyboard or voice input. Once these input methods are installed, you can select the ime they want from the system settings, and this setting is valid for the entire system, each time only one input method is available. To add an Input Meth

(); true; } } return result;}When passed an unrecognized gesture to the Ontouchevent () method, it returns false so that you can run the custom gesture recognition code.Create a physical analog gestureGestures are a powerful way to control touchscreen devices, and they can be counterintuitive and hard to remember unless they provide a physical simulation effect. A good example is a fast swipe gesture: When a user slides a finger quickly on the screen, the finger suddenly leav

Android Create Project-n welcome_world-t 8-p welcome_world-k org.example.welcome_world-a Welcome_worldWhere-n Specifies the name of the project to be created,-t specifies the project for the Android platform,-p specifies the save path for the project,-K specifies the project's package name, the-a option specifies the activity's name.Now

First step: Create Aurora push Developer account Step Two: Portal Create an app on Step three: Download the app example Fourth Step: put example (Android project) into Eclipse in Fifth step: Run Example this application Sixth step: push messages on portal Seventh step: Receive a message on your phone Section Eight step: In Logcat to vi

Android Window 3: Create an application Window, androidwindow Create application window 1. Create Activity1. the application window must correspond to the Activity. AMS notifies the client ActivityThread to start the Activity. Create Activity object through reflection 2.

next step is the blue value) 3. then Android create AVD-T 5-N myavd; // here ID 5 corresponds to android2.2 myavd, which is the name of your own simulator 3. run the android list AVD command to view your own created AVD. 4. emulator-Debug avd_config-AVDMyavd can open AVD, which is a little slow @ Echo off Emulator-Debug avd_config-AVD s2.2 @ Echo off

There are four components in the Android system: activities, services (service), broadcast receivers (broadcast reciver), and content Provider. Today's introduction is one of the four major components of Android development: Activity, the other three components to be introduced later. Speaking of activity in Android, if you've ever done iOS development, the act

The general idea is to first create bitmap. createbitmap to create a bitmap, then customize the drawintobitmap function, and finally create a canvas through ondraw to implement the bitmap. Package com. example; Import java. Io. inputstream; Import Android. App. activity;Import Andr