how to use vpn on android

Actionbar Introduction Method: There are several, starting with the Android 3.0 (API lever 11), all activity using the Theme.holo theme (or its subclasses) contains action Bar, when Targetsdkversion or minsdkversion property is set to "11" or greater, it is the default theme. In order to be compatible with the earlier versions of Android3.0, Actionbar is typically implemented through the appcompatactivity implementation of extends integration support

, it is equivalent to dividing a PNG image into nine parts (nine cells) with four corners and four sides, and in an intermediate area, the four corners are not raised, so they can still keep the rounded corners in a clear state, while the two sides are horizontally and vertically stretched, respectively, therefore, the side will not be grayed out, and only the area specified by the black line is stretched in the middle. The result is that the image is not displayed.Ii. How to create "Point 9"Met

[Android Notes] use DialogFragment to host dialog and Android dialogfragment CommonAlertDialogIt is destroyed when switching between the horizontal and vertical screens. If there is data on the dialog, it will also be lost. The solution is to useDialogFragment.UsedialogFragmentGenerally, two methods are required: OnCreateView (LayoutInflater, ViewGroup, Bundl

When we do development in peacetime, inevitably use a variety of dialog boxes, I believe that there are other platform development experience friends will know that most of the platform only provides a few of the simplest implementation, if we want to achieve their specific needs of the dialog box, you may first think, through inheritance and other means, Rewrite our own dialog box. Of course, this is a good way to solve the problem, but the general s

Android time acquisition and use, android Time AcquisitionWhen compiling an Android network program, you will inevitably encounter inaccurate mobile phone time. This article summarizes some common time acquisition and Correction Methods: for reprinting, please note: http://blog.csdn.net/xzy20461.get the original time:

ToggleButton and switch IntroductionBoth ToggleButton and switch inherit the button, so their property settings are similar to the button.Attributes supported separatelyProperties of the ToggleButton:Properties of Switch:Analogcolok and Digitalcolok IntroductionDigitalcolok inherited the text, but its SetText method can not be used, can display accurate to the second, as a number of tables, Analogcolok is inherited the view, the geometry of the redraw, can not display seconds.Analogcolok and Dig

Just as DOTNET development requires msdn and Java development requires JDK documentation, it is best to have corresponding help documentation before Android development. In fact, the android SDK itself contains a lot of development help documentation (English version ). The procedure is as follows: 1. Open the SDK to download the help document directory. My installation directory is in c: \ Program Files

PermissionsDispatcher2.3.2 use Android6.0 Rights official websiteHttps://developer.android.com/about/versions/marshmallow/android-6.0-changes.html?hl=zh-cnSystem permissions:Https://developer.android.com/training/permissions/index.html?hl=zh-cnBest Practices for permissions:Https://developer.android.com/training/permissions/best-practices.html?hl=zh-cn#testingGitHub address for this libraryHttps://

In the Android API you can find a lot of places that use integer sets as parameters, and look at the examples first. LinearLayout is a familiar UI basic element that has a directional attribute in it, which can be set in the following ways: Copy Code code as follows: linearlayout.setorientation (int); When used, this is usually the case: Copy Code code as follows: Line

How to use Java code to obtain Mac addresses of Android mobile terminals and android mobile terminals Now, let's take a look at how to use Java code to obtain the Mac address of the Android mobile terminal: You can use the followi

1. Example description Since Android 3.0, Android has introduced actoinbar. It must be said that before Android 3.0, the title bar of Android is really ugly and there is no function yet. In the past, the top columns of many applications were similar to Apple, for example. With the release and gradual expansi

Recent projects need to use the chart, the technology is limited, it is difficult to achieve their own, so after comparison, finally decided to use hellocharts this open source Library, Portal: Https://github.com/lecho/hellocharts-android, First, because the introduction of convenience, the second is the code is relatively clear, easy to add to the project. Anoth

Preface SQLite is a lightweight small database, although relatively small, but the function is comparatively perfect, some common database basic functions also have, in the current embedded system to use the database is more, because it occupies very little system resources. Android system is no exception, but also the use of SQLite, this section of the study in

PrefaceThe downloaded SDK package contains a folder named "Tools", which provides us with many Android-related Tools, some of which are essential, now let's introduce the simulator. Create an Android SimulatorYou can use "Android SDK and AVD Manager" to easily create an Android