Android

The SDK downloaded from the official website is actually a Installation tool, which does not have any content. It will take a long time to install it online. We can also download all the things that need to be installed from the download tool on the

What: What is custom UI? To put it bluntly, there are multiple View containers, which encapsulate the logic and control of these views and control the containers externally by passing parameters and callbacks, in order to achieve the high cohesion

Original article address: Http://www.unitymanual.com/4226.html While Unity is already quite convenient when making cross-platform games, we often need to append dedicated code to handle performance and functional differences between platforms,

First, we will introduce some basic functions (for specific usage, refer to the document ):--------------------------------------------------------1. Scenario switching: Application. LoadLevel ("Level1 ")2. When reading a scenario, do not remove the

After the official sdk manager is installed, it fails to be downloaded every time. A good method that cannot be found is that you can finally download each version. 1. Enter http://dl-ssl.google.com/android/repository/repository-8.xml 2. find such a

In many cases, we need to customize the image button in android, instead of the system. Today, let's take a look at how to implement this simple requirement. (1) first, prepare necessary resources. Here, I have prepared three images as follows: (

// Obtain the phone width and height in pixels. // Obtain it through WindowManager // It must be obtained in Activity, and be converted into Activity even if Context is used.Public void getScreenDensity_ByWindowManager (){ DisplayMetrics

To record how threads securely access your Android database instance, I wrote this little note. Click here for the project code referenced in the articleSuppose you have compiled your own SQLiteOpenHelper. public class DatabaseHelper extends

The code in this article is followed by the previous article to get the contact information. When retrieving contact information, I found that it is slow to traverse Cursor to retrieve information for all contacts. For example, there are less than

In android development, asynchronous request data is often used. handler or AsyncTask is usually used. It is troublesome to use handler with message. The AsyncTask thread pool only allows 128 threads to work, there will be overflow problems (of

First (I wrote it myself): In my opinion, there are some main activities on the Internet that I don't want to start another application. // These Codes start the main Activity of another application. Of course, you can also start any

Requirements:If you need to preset parameters of some Email service accounts to the Email Client, suchThe email domain names are mail.ru, list.ru, inbox.ru, bk.ru, and corp.mail.ru. The following parameters are adaptive:Incoming Server:

// On "init" you need to initialize your instancebool HelloWorld: init () {// 1. super init first if (! Layer: init () {return false;} Size visibleSize = Director: getInstance ()-> getVisibleSize (); Point origin = Director: getInstance () ->

As a common interactive navigation control, the side menu is usually used when there is no official android control at first. It has never been used to analyze the implementation mechanism of the side menu, this article will analyze android. support.

I should have analyzed MessageQueue later, but I used SparseArray again in actual development in the past few days (I used it once before, but that time only I probably browsed the source code and did not conduct any in-depth research). So I took

1. C2DM (now GCM) Android Cloud to Device Messaging (C2DM) has been released as part of Android 2.2. C2DM allows third-party developers to develop related applications to push a small amount of data messages (1024 bytes) to users' mobile phones.

I have been looking for some examples of SurfaceView image painting recently. I am a beginner. At the beginning, I don't know how to start drawing images on SurfaceView. I finally learned the video tutorial, then, sort out the notes in the learning

I recently imitated toutiao.com and found that many of its attributes are configured through custom controls and related configuration attributes. So I learned about declare-styleable, next I will describe my usage experience and how to use

    Enables you to enter an Activity by pressing a preset button on any non-lock screen interface. Modify the following methods in the alps/frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager. java file: Public long

Version: 1.0 Date: 2014.4.14 copyright:©2014 kince reprinted to indicate the source I. ConceptsTo achieve 3D effects in Android, the first thought should be OpenGL ES, because it is almost mentioned in many basic textbooks. However, it is still a