Mobile Develop

While we often use open source frameworks that others have developed in development, understanding the underlying implementations of these frameworks allows us to better understand the implementation of functionality.This article mainly describes

Liu HaoBlog: Http://blog.csdn.net/liuhaoyutzAndroid version: 4.4.2In the previous article, we analyzed the strong pointer sp in the Android smart pointer, in this paper we analyze the weak pointer WP. Why do you need a weak pointer wp? Let's

Application Scenarios:because the side-slip menu has a better user experience effect, so more apps use the slide-down Drawer menu list, such as NetEase client, Baidu AV, Iqiyi art and so on. At this point, the slide-by menu has more usage

Look at the blog today, see this section of the JS code:var bind = Function.prototype.call.bind (Function.prototype.bind);I want to suddenly see such a piece of code, even if the JS ability to strong people, may also need to take some time to

Original address: http://www.cnblogs.com/wengzilin/p/3775410.htmlDick Wire The awkward problem that individual developers often encounter is that they don't design UI material and can't afford professional artwork. The best way is to go online to

We used the Synchronized keyword in front of the thread synchronization problem, and today we look at the thread lock lock provided after Java 5.0.The implementation class of the lock interface provides a more flexible and extensive locking object

The location of the DrawText drawing text using canvas in Android is based on the baseline. Such as:The small tail of the letter Q is below the line.How do you find the central position of the letter?Let's take a look at the following example: (the

the system architecture of iOS is divided into four tiers: the core OS layer, the core service layer, the media layer, and the Cocoa touch layer. The 1.Core OS layer-----contains core parts, file systems, network fundamentals, security features,

There is one such interview problem: Open a sub-thread and the main thread run at the same time, the child thread output 10 times and then the main thread output 100 times, so repeat 50 times. Let's look at the following code:Package com.maso.test;/*

This article deals with the sharpening effect of image effects. As before, the pixel is processed, and the algorithm is universal.Algorithm principle:A simple algorithm: To obtain the current pixel and the eight pixels around the RGB value, first

WEBGL Specification (WEBGL specification)The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's

This article describes the application for issuing a certificate, please refer to the application for a true Machine Debug Certificate: http://my.oschina.net/joanfen/blog/167730First login https://developer.apple.com ($ 99 account)Select

There are 2 reasons:1, in the child thread is not the UI update, and can update the result is just a phantom: because the child thread code execution is complete, and automatically into the main thread, executing the UI updates in the child thread

Android Message Queuing model Thread,handler,looper,massage queueBoth the message queue and message loop for the Android system are for a specific thread, and a thread can exist (and, of course, not exist) a message queue and a message loop (Looper).

Description of the scene:This article only validates the use of the JSON key as the parsing speed of the deserialization condition in an Android environment . The conclusion is that the fastest resolution is not Ali's Fastjson, not Google's Gson,

Compiling cocos2d-x-3.0 in the Windows environmentANDROID-NDK Compilation: Cocos2d-x (ii)Built under Mac: http://www.cocoachina.com/bbs/read.php?tid=1992381. Install the configuration development environmentInstalling JDK

My first application uses a database that is operational sqlite3 is not willing to change after being familiar with it. To tell you the truth, this method is not very lightweight, cumbersome, complex data read Insert the result is a collapse, I know

Original: Android Development learning---using INTELIJ idea 13.1 for Android development1. Why give up eclipse?I can't stand the eclipse card anymore, but Android development is too slow, too slow! Often get stuck, the CPU is often full!See online A

This article links http://blog.csdn.net/xiaodongrush/article/details/288648451. Several commonly used device identification codeImei,sim card serial number, WiFi module MAC address, android_idTelephonymanager Telephonymanager = (telephonymanager)

Declare the function collision detection function, two genie and rewrite update Bool isCollision (CCPoint p1, CCPoint p2, int w1, int h1, int w2, int h2); CCSprite * sp2; CCSprite * sp1; virtual void update (float delta ); // override the virtual