IOS

Releasing objects in MRR is implemented through release or autorelease messages, which immediately frees reference count-1, sending autorelease messages to put objects in a memory-free pool for deferred release, and the object's reference count does

Applying test methods Application testing is a test of the application's functionality, which is specific to the click of a button to trigger an event, so it is mainly the test presentation layer. Let's look at the methods in the view controller

First, Nsfilehandle The Nsfilemanager class mainly operates on files (delete, modify, move, copy, etc.) The Nsfilehandle class mainly reads and writes the contents of a file Second, the Nsfilehandle class processes the file the step Create a

1. Pinyin the smallest size, Poapinyin's statement is almost 500 lines. 2. The speed is in fact similar to three, but do not use the Poapinyin native of that convert, that each time traversal lookup is very slow. 3. Contrast pinyin can only get

Today to share with you how to call the iphone's camera function and turn on the flash, some code I do not understand, many are on the internet to learn from others. iOS has two ways of photographing and video: 1. Direct use of

Yes, it is very clear to tell you reader, AutoLayout can do animation. AutoLayout is used to make a variety of constraints, is used to fit different screens, then when we change some of these constraints and say that the process of change at a slow

Basic section 1: Picture Memory Size Summary A: Picture: Is the memory of the large, especially mobile game pictures of many resources. The calculation of the memory footprint of picture resources becomes the regular work of J2ME game developers,

The iOS application is that Xcode will optimize the PNG file so that the picture preview is not displayed. So how do you look at these optimized files? The optimized action is done by the Pngcrush tool, and you can find it in Xcode. Pngcrush

The concept of the pattern of privilege In object-oriented software design, the use of public objects can not only save resources but also improve performance. A shared object can only provide some intrinsic information and cannot be used to

Basis1.UIPickerView Properties Data source (used to tell Uipickerview how many rows are in columns) Copy Code code as follows: @property (nonatomic,assign) ID dataSource; Agent (used to tell Uipickerview what to display every

This article examples for you to share the iOS custom Alertview prompt box, first above, the frame background color, the button background color, prompts the message the font color can change Using a single example to implement a rich custom

About UitoolbarThe toolbar toolbar is the view's property, and you can add toolbar buttons bar button Item to the toolbar (either custom, custom, or system-led Barbuttonsystemitem). The view controller can manipulate the contents of the views from

Introduction of Caanimation Animation system Caanimation is the base class for animation objects in the Coreanimation frame, and here's a picture that I hand-painted, not very nice, but it can be clearly expressed in relation to several animation

The example in this article describes the implementation of the. NET Platform for pushing iOS messages. Share to everyone for your reference. The following steps are implemented: 1. Allow messages to be pushed to customers in iOS applications 2,

Here's a great article on how to get a smooth signature on Android:smoother signatures, but I didn't find a way to write on iOS. So what exactly does it take to get the user's signature on the iOS device? Although I didn't find any articles about

Microsoft has released Outlook apps for the iOS platform, with the full name of the Outlook Web app for Iphone/ipad, which is simply packaging the Web version into iOS apps. The OWA for iphone requires the user to subscribe to Office 365 for use.

 1, when you need to use a variable of type int, you can do the same as a C program, with an int, or you can use a nsinteger, but it is more recommended to use Nsinteger, because you don't have to consider whether the device is 32-bit or 64-bit. 2,

Cocoapods deletes the third-party libraries of the imported project and removes cocoapods and third-party cocoapods from the project.The first section describes how to delete a third party that has been configured by cocoapods in the project. 1.

Animation development in iOS (Overview), ios OverviewI. Introduction When using animations in iOS development, you can setduration,speed,begintime,offsetTo set the animation duration, speed, start time, and start offset.A simple example is used to

View the code running time on iOS, and view the code on ios Sometimes we want to know exactly the time for executing a code segment or loop, and then analyze the efficiency and other issues. What is the execution time required at this time. I just