IOS

To develop IOS applications, you must first become an apple developer. After purchasing the apple developer authorization ($99 personal authorization, if we need to run our own IOS applications on real iOS devices such as iPhone and iPad, we need

In IOS projects, contacts or members in the address book are sorted by name as keywords, because nsarray does not directly support sorting of Chinese characters, which requires converting Chinese characters into pinyin to complete ~ Z sorting seems

It's quite troublesome. Let me talk about the general process: You must have a Visa credit card that supports international payment. Go to the Apple developer website and register an account. This step is free of charge. Then log in and click

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Just as the segment control replaces the single button, the switch also replaces the click box. The switch is the simplest control used so far, but it can still be customized to a certain extent. I. Create Uiswitch * myswitch = [[uiswitch

Several simple and effective array sorting methods for iOS // First, use the sortedarrayusingcomparator of the array to call the object in the nscomparator, obj1 and obj2 arrays. Nscomparator cmptr = ^ (ID obj1, Id obj2 ){If ([obj1 integervalue]>

First, manually change the attributes of view. Transform. Specific Method:    View. transform is generally a view rotation, stretching, moving, and other attributes, similar to view. layer. transform, the difference lies in view. transform is

Background: Before ios5, the keyboard height on the iPhone was fixed to 216213px high, and the selection box of Chinese characters was suspended. Therefore, many applications have marked the height of the keyboard. However, in ios5, the keyboard

Place the following code in uiviewcontroller to shake the image. # Pragma mark-shake -(Bool) canbecomefirstresponder { Return yes; } -(Void) viewdidappear :( bool) animated { [Super viewdidappear: animated]; [Self becomefirstresponder]; } -(Void)

Continue to summarize some interview questions, which will be more difficult in the future. IOS interview series: IOS interview IOS interview questions (1) IOS interview question (2) IOS interview questions (3) 1. What about block? And write an

There are 20 questions for iOS in the previous article, which is the second half. IOS interview series: IOS interview IOS interview questions (1) IOS interview question (2) IOS interview questions (4) 1. When to use nsmutablearray and when to use

The cocoa touch framework uses a large number of delegation. According to Apple's documents, delegate is a form of delegation mode adopted by the cocoa touch framework. Instance code download Portal Understanding delegation and necessary preparation

Test-driven development is part of agile development. It generally involves the steps of "red-green-refactor ". IOS testing-driven development tools I. ocunit is a test tool provided by xcode. The procedure is as follows: 1. Create a test

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Before entering this article, we recommend that you carefully read another blog.:Uicontrol IOS control programming-iOS development http://blog.csdn.net/iukey/article/details/7300412This will get twice the result with half the effort. The use of

Introduction Ios OS is the core of iPhone, iPod Touch, and iPad devices. The knowledge of building an iOS platform is exactly the same as that of Mac OS x. Many development tools and technologies on the iOS platform are also derived from Mac OS X.