Android

In the layout file of Android, a specific unit may be specified, for example, PX, dip, or sp. Their differences are as follows: 1. PX (pixels) pixels: a large number of pixels are used. Generally, hvga represents 320x480 pixels. 2. Dip or DP (device

Posted on Weekly ke Wen (2190) Comments (0) Edit Favorites 1. traceview1) function: this function is used for hotspot analysis and performance optimization. It analyzes the CPU time used by each function, the number of calls, and the function call

When writing an android. mk file, call all-subdir-makefiles and call all-makefiles-under, $ (local_path) are different. The former indicates that "there is no file to be compiled in the current directory, please go deep into the subdirectory",

Lazy bones (http://blog.csdn.com/iamlazybone) Descriptions of Rokon: Rokon home: http://rokonandroid.com Rokon documentation: http://rokonandroid.com/javadocs/ I have not passed the level 4 test ~ The level is limited ~ Right when learning notes ~

Hardware acceleration in Android The main content of this article is from the "Hardware acceleration" in the SDK article ". Since Android 3.0, Android's 2d rendering pipeline can better support hardware acceleration. Hardware acceleration uses GPU

Updated on May 17, 2013: for the previously mentioned resource release problem, cocos2d-x 2.1.3 has been resolved, that is, do not release resources after the interruption, the estimation method is similar to the previously mentioned, I have not

In the bring up stage of a project, various files, such as config, drivers, and kernel image, are constantly updated. Sometimes the skipping Insecure File error may occur, resulting in device boot failure. For details, see: For details, see System \

For an Android mobile app, a nice and concise interface is very important, which not only improves the user experience, but also ensures the efficient execution of the app. The android SDK has provided us with a complete set of interface design

Recently, I 've concentrated on reading the relevant chapters on the graphic user interface of Android Program Design (Beijing hang Publishing House), focusing on the basic knowledge of Android GUI in my favorite UI field. The webview control

  The android initialization language contains four types of statements: Actions (Action), commands (command), services (service), and options (options ). All of these are in the unit of action, and various marks are separated by spaces. The C-style

Topic: When the android program is running, the background light remains awake, that is, no black screen. First run the Code: Note that you need to add permissions /***** @ Author zhujianbin **/public class utils {Private Static wakelock Wl;/***

Okay. Let's get started with my first Android app! Open eclipse, choose File> New> other, and select Android Application project and next. The following dialog box is displayed. The Application name, project name, and package name (written by Java

When reading the information, I often see various VGA, all mixed, helpless. I found some information to summarize and share it with you: These terms refer to the screen resolution.VGA: video graphics array: displays the drawing matrix, which is

In Android, in addition to using APIs in the java.net package to access the HTTP service, we can also do the work in another way. The android SDK comes with the httpclient API of Apache. Apache httpclient is a complete HTTP client that provides

We can see that many Android applications have the automatic update function. You can update the software with one click. Thanks to the software package management and installation mechanism of the Android system, this function is quite simple to

1. Background When using the TCP/IP protocol for data transmission, iocp is often used. We often think that if HTTP can use the multi-thread mode for data interaction, it will bring a better user experience to the system/application. The focus of

Solution to the Problem of input method occlusion on the Android platform In the Android system, due to the limitation of the phone screen size, the pop-up input method panel usually occupies most of the screen when character input is required. If

The Android platform is currently one of the most popular mobile open platforms. Many colleagues and friends around me seem to be very interested in this platform, there are also many people who say that android must be the trend of mobile device

Reprinted from: http://www.eoeandroid.com/thread-71213-1-1.html This is the last article of our small project, which is expected by everyone. Let's take a look at the last article. Note: Because this appwidgetprovider is a broadcast receiver

Summary1. I found that the Left, right, top, and bottom values of the view are different from those of the invalidate process. Now I want to analyze the specific meanings of these values. 2. Understand coordinates. The concept of position involves