IOS

If the error wait_fences: failed to receive reply: 10004003 occurs inexplicably during the use of uialertview, you forget to close the keyboard. Uialertview pops up. If the keyboard is not closed, the focus will be lost. When uialertview is closed

I have used a lot of frameworks since I started iOS development. I feel that some frameworks are really great and I can't help myself, so I will share them with you. These frameworks can accelerate development, saving you from writing "bottom

Currently, the vast majority of applications can be updated, and you will receive an update notification when you open the application. This is conducive to user updates. Many people want xcode to provide corresponding APIs to find the application

Avaudioplayer is the most basic audio player class in avfoundation. framework. It is similar to mpmediaplayercontroller in some basic operation functions, such as play, pause, and volume. The difference is that avaudioplayer does not have a queue.

This article and a series of subsequent articles will introduce the use of multimedia (multimedia) in iOS development. Multimedia multimedia includes audio, video, and image. In iOS, there is a dedicated layer, that is, the media layer. The

Many apps have related settings in IOS settings, such: Through this setting, you can easily modify some basic settings of the application. To fully implement this setting function, you need to solve the following problems: 1) Write settings

Install Development Certificate 1. Use a developer account to log on to iOS provisioning Portal: https://developer.apple.com/ios/manage/overview/index.action 2. Go to the certificates management page and click "Click here to download now" at the

After upgrading to 4.0, IOS supports multiple tasks. This feature is described in detail below. 1. Check whether the device supports multiple tasks. For performance considerations, not all IOS devices support multitasking after being upgraded to ios4

Unlike Java, objc has static constants. For example: Pubstatic final radias = 180; My current practice is to use C's preprocessing # define. For example, in the header file: # Define min_velocity 10# Define loop_count 100 @ Interface

Element widget size (PTS)Window (including status bar) 320x480Height of Status Bar 20Navigation Bar Height 44Height of navigation bar with prompt 74Navigation bar icon 20 × 20 (transparent PNG)Tool Bar Height 44Tool bar icon 20 × 20 (transparent PNG)

Preparation 1. Select the Project to Support arc 2. Drag a uitableview using IB and connect the delegated code to display simple text and images with uitableview # Import @ interface viewcontroller: uiviewcontroller @ property (strong, nonatomic)

There are many other functions that can be added. Remember to add them here. Code Section Touchview. h #import @interface TouchView : UIView{ NSMutableArray *points; NSArray *points_all; CGContextRef context; UIColor

What should I do if the view is messy due to landscape switching? First, we must understand the following four statuses, which are used to describe the orientation of the device: Uiinterfaceorientationlandscapeleft To the left, that is,

Today's task is to load and display PDF files on IOS. Method 1: Use webview -(void)loadDocument:(NSString *)documentName inView:(UIWebView *)webView{ NSString *path = [[NSBundle mainBundle] pathForResource:documentName ofType:nil]; NSURL *url

Background daemon illegally steals user information about itunesstore I solemnly declare that I do not encourage the theft of user privacy and other behaviors. All hack learning is just to study how to defend. OK. Auto-start In IOS security

Installing the monkeytalk IOS agent 1. Download and unzipMonkeytalkZIP file for your OS. 2. Open your application's project in xcode. 3. duplicate your application's build target by right-clicking on it and selectingDuplicateFrom the menu. A new

A basic IOS sound playback Support class. You can check if there are not many comments. #import #import #import @interface Sound_Base : NSObject{ float volume; BOOL is_turnON; AVAudioPlayer *mainMenuMusic_Player;

Expanded the content of the previous lunar calendar Reprinted please indicate from: http://blog.csdn.net/zhao_yin/ Algorithm for obtaining lunar festivals: + (Nsstring *) Updated :( nsdate *) Date {nstimeinterval timeinterval_day = float (60*60*

From the end of last summer vacation to the present, it is almost a year before I develop IOS. From the very beginning, I did not know anything. Now, most of the tasks can be combined with each other. During this period, I have experienced many

Deep Dive into IOS MultithreadingNsthread Luo chaohui (http://blog.csdn.net/kesalin CC license. For more information, see Source IOS supports multiple levels of multi-threaded programmingThe higher the level, the higher the abstraction level, and