Android

  Since Android 2.2, Google released their V8: A JavaScript engine used to replace javascriptcore. It claims that its execution speed can match the compiled executable speed.Code.   How fast is the built-in javascriptcore of WebKit? Recently,

from: http://blog.sina.com.cn/s/blog_629b701e0100wu39.html in Android, listview is the most commonly used control. During uidesign, many people want to change its background so that it can conform to the overall uidesign, it's easy to change the

Compile an applicationProgramTherefore, it is critical to consider the graphics requirements correctly. It is best to use appropriate graphics technologies based on different graphics tasks. For example, there are many differences between graphics

[The value of a note is subdivided into even values based on the principle of second-class. This is called the basic division of the value of a note] --- Basic five-line spectrum tutorial For a complete application, database operations are often

This article is from kandroid. It can also be found in the android source code development/PDK/. It is recently implemented in the android camera module. We can see this article. Although it is concise, most of it is quite useful, so remember to

In this article, you can add the checkbox control to the custom listview layout and perform operations on the selected items of the listview by determining whether or not to select the checkbox. This function is displayed in a demo. Select an item

Compared with a key message, a touch message is also received by the viewrootimpl. windowinputeventreceiver instance. Different methods are executed after the message type is determined.The deliverpointerevent (.) method has the following

/*** Obtain the current location based on the base station */Public void getcurrentlocationagps () {telephonymanager tmanager = (telephonymanager) context. getsystemservice (context. telephony_service); If (tmanager. getcelllocation () = NULL)

Reprinted to describe the source.     1. Exception debugging information The following information is the information generated when an exception occurs in an Android Application Based on the MIPs processor:   Signal 8 (sigfpe), fault ADDR

Android Compilation System Analysis Since the android open source, it has aroused a boom in the embedded industry. Many embedded developers expressed strong interest in Android and downloaded the android source code for compilation and

After reading a lot of examples of downloading text, I thought it was not easy to understand. I wrote a simple and easy-to-understand code. Package COM. example. demodownload; import android. app. activity; import android. app. progressdialog;

Method 1: Use the surfaceview class to describe Public class mainactivity extends activity {mysurfaceview; thread mainloop; private mysurfaceview view; @ overridepublic void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate);

The principle is based on the multi-channel packaging tool in the previous article. We use apktool to decompress the APK file to be verified, read androidmanifest. XML, and output the package when we read the channel number line. The source code is

The binder mechanism is the inter-process access mechanism throughout the Android system and is often used to access the service. Let's take a look at how the binder is used to access the service in combination with the code. You can understand the

When creating a service with binding capabilities, an ibinder object must be provided, which is used to provide a programming interface for the client to interact with the server. There are three methods to define this interface: 1. inherit the

Status List Statelistdrawable: A drawn object defined in XML. It depends on the object status and uses different images to represent the same image. For example, a button can have one of several different States (such as pressing, focusing, or none).

The startup mode allows you to define how a new activity instance is associated with the current task. The following two methods can define different startup modes: 1. Use the inventory file When declaring an activity in the list file, you can

You can pass an intent object (specify the service to be started) to the startservice () method to start the service from an activity or other application component. The Android system calls the onstartcommand () method of the service and passes the

Http://stackoverflow.com/questions/3729068/hour-minute-picker-for-android-countdown-timer   I'm trying to implement something like a countdown timer that plays an alarm at 0. I want to be able to set the amount of time to wait before the

Http://www.cnblogs.com/TerryBlog/archive/2010/09/16/1828360.html Because it is a practical demo, there is not much consideration on the interface and optimization, but some basic functions and some necessary functions of the reader are