Mobile Develop

1. The block is actually a pointer to the struct, and the compiler generates the corresponding function 2 for the internal code. External variables are used inside the block, whether the external variables can be modified internally, depending on

First, to understand the concept of Get and post, both get and post are the methods to access the server, but the use is still different. From the literal point of view, get is "take" meaning, post has "push" meaning, we can do a simple PHP page,

Reprint Please specify source: http://www.cnblogs.com/fpzeng/p/4281801.htmlSOURCE Please see Https://github.com/fpzeng/HelloJNISystem: Ubuntu 12.04Steps to use the NDK on Android: Create a Java file that declares the native method; Use

1, is the production of 9-patch pictures, so that can match the length of the text content.2, is to specify the button style background, that is, custom drawable XML file, the benefits do not use the picture to do the background, save

/* by Dylan SUN */In your applications, you is certainly using the configuration sections like AppSettings for custom configurations, Conne Ctionstrings for database binding and other sections like WCF bindings, etc.Your application more flexible

1. First in res/.drawable in the definition of a shape.xml file, the specific color you can tune yourself"1.0"encoding="UTF-8"? >"http://schemas.android.com/apk/res/android"Android:shape="Rectangle"> "@android: Color/transparent"/> Stroke

Needless to say, Xcode is a well-known slow-down. What's more, I sometimes find myself too dependent on cocoa Touch's auto-complete function, which is a combination of angels and demons!So I started looking for an alternative process to implement

In one activity, there may be multiple layouts that need to respond to the same event, such as having a sliding area layout for a picture in a scrollview layout,Then both parts of the Ontouch event should be corresponding, and obviously the picture

IOS8 with the system,IOS7 with a third party (the effect is pretty fast.)Https://github.com/KiranPatel-iOS/KPBlurEffect[_headbgiv sd_setimagewithurl:headivurl completed:^ (UIImage *image, Nserror *error, Sdimagecachetyp

Mainly for the use of Packagemanager, but the point to note is not to forget to catch a namenotfoundexception.Code:Gets the version number of the current application public int Getappversion (context context) { try{ packageinfo

KVC and Kvo look very professional, in fact, it is relatively simple to use, KVC (key-value coding) can be understood as a key-value pair encoding, if the basic type of the object, then the key value pair encoding is actually not the same as the Get,

This is a copy of the common mobile phone security guard application of the source code, the basic is to achieve the commonly used functions, but some are not perfect, we can study a lot of it.SOURCE Project Download:

So file lookup error in pre-installed (push) lib64This address: Http://blog.csdn.net/caroline_wendyThe Android system has been upgraded to a 64-bit system, and 64-bit incompatibilities may occur when pre-installed (ADB push) because 64-bit so files

Overview:In fact, anti-compilation is very simple, just use some toolkits and some basic command-line commands to reverse-program the APK file, there is no advanced technology. Let's take a look at the anti-compilation techniques.Note: This blog

1. The role of Uipresentationcontroller1> manages all modal out of the controller2> management Through this method-(void) Presentviewcontroller: (Uiviewcontroller *) Animated: (BOOL) completion:^ (void) completion; The controller shown3> Management \

StatementThese two days in the picture Contrast tool, here will compare the core function code to learn together, what shortcomings and shortcomings please point out, thank you. Lee produced, reproduced please specify the source:

In the Android development process, we often have this requirement, we develop a class library jar package, provided to others to call. The problem arises when project A is encapsulated as a jar package for Project B, and the activity of Project A

When capturing moving points, we can use an algorithm called optical flow (optical flow), where the flow derivative of all points is the same around the key point, so that we can determine the key point (feature points)Here's the

Implement button suspension on top of SurfaceviewNote: Your implementation of the Surfaceview and Android Button,editview is sibling, cannot put one contained in another1. Create your own Surfaceview class, be sure to implement the 2 parameter of

There are a number of problems with installing Android studio for the first time1. Download the installation packageHttp://developer.android.com/sdk/index.html2. InstallationInstall the default settings for all my selections for the first time3.