IOS

Assign: simple assignment without changing the index countCopy: Create an object with an index count of 1 and release the old object.Retain: Release the old object, assign the value of the old object to the input object, and increase the index count

Table A-2 CFBundleDocumentTypes dictionary keywords Keyword type description CFBundleTypeExtensionsArray this keyword contains a set of file extensions mapped to this type. To open a document with any extension, you can use a single asterisk (*).

The table A-4 lists the keywords used only for the Application Bundle: Table A-4 application-specific keywords Whether the keyword type must Abstract The CFAppleHelpAnchorStringNo initial HTML Help file of the bundle. NSAppleScriptEnabledStringNo

Application Package keywords-------------------------------------------------------------------------------- The purpose of application packaging is to package an application into a self-contained entity and hide its content from users. However,

{ Person * aPerson = [[Person alloc] init]; //... NSString * name = aPerson. fullName; //... [APerson release]; }   By using the alloc method, the Person object is created, so when it is no longer used, it then calls the release method. The name of

Visual, audible, and tactile notifications of devices.Method:Notification. alertNotification. confirmNotification. beepNotification. vibrate   Notification. alert Display a custom warning or dialog boxNavigator. notification. alert (message,

The implementation case of APNS push notification process code in the iPhone application is described in this article. It mainly describes how to implement APNS push notifications. For details, refer to the detailed code in this article. 1. register

Objective-C has almost become Apple's patent. You can compile the Objective-C program directly on Apple's Xcode, but there are few compilation tools on the Windows platform, not many people use this language. Today, I suddenly saw a post posted on

Recently transferred to ios development, I found that If ios UITextField is at the bottom of the screen, the keyboard cannot automatically adjust the interface layout, You need to manually adjust the location, therefore, I want to write a general

Recently, the company developed a new project. Since the server side is located in Shanghai and the iphone client is located in Shenyang, communication is not smooth. Previously, data was sent to the server in xml format. Therefore, after being

In IOS, there are two types of animations on the right: 1. UIView view animation 2. Layer animation UIView animation is also Layer-based animationThe animation code format is fixed. 1. UIView Animation General Mode[UIView beginAnimations: @ "ddd"

ASIFormDataRequest is an important part of the ASIHttpRequest class library. You need to take photos of your iPhone and then upload the photos to the server. The following figure shows how to use ASIFormDataRequest to upload images in post mode on

In this log, I will write a small example of json parsing on the client. In the next log, I will write the server code. 1. Make necessary preparations. Download ASIHttpRequest class library, available on github,

UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier: cellStr];If (cell = nil ){Cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleDefault reuseIdentifier: cellStr];}     You can click the record method to record

During iOS development, users often encounter similar situations such as reading system resources. If the network is relatively slow, users may think that the app has crashed and the user experience is poor, foreigners are still very good at

1. Create a Phonegap project MyPluginEnvironmentXcode4.5.1Phonegap2.1.02. Create an implementation in subclass under the Plugin folder[Plain]//// MyPlugin. h// MyPGPlugin//// Created by kllmctrl on 12-10-29.//// # Import  @ Interface MyPlugin:

Animation effect is one of the important features of the IOS interface. CAAnimation is the abstract parent class of all animation objects. For new users, animation methods (class methods) under UIView are mostly used ). You can use the following

Requirements: 1. Starting from an empty project template based on Xcode2. data can be transmitted between two pages.3. Add the system button and the left button on the navigation control bar.Implementation Method Analysis1. According to the MVC mode,

A simple iOS application implements the ASIHTTPRequest delegate method-(void) requestFinished :( ASIHTTPRequest *) request and-(void) requestFailed :( ASIHTTPRequest *) request in the master View Controller class. In the viewDidLoad method of this

1 PrefaceUILabel can display static text to users and control the font and color of text. Let's learn about UILabel today. 2. code exampleZYViewController. h: [Plain]# Import  @ Interface ZYViewController: UIViewController @ Property (nonatomic,