IOS

 This enables safari;NSURL * url = [[NSURL alloc] initWithString: @ "http://www.baidu.com"];[[UIApplication sharedApplication] openURL: [url autorelease]; If you use safari to open a link in webViewOf course, this must be delegated to

Call the following code in the Code:NSURL * url = [NSURL URLWithString: @ "prefs: root = icationications_id"];[[UIApplication sharedApplication] openURL: url];You can jump to the corresponding items on the settings page. About-prefs: root = General &

When you tap a page element, iOS displays an orange outer box around the element to indicate that the element has been tapped. If you want to achieve the effect of the response when you tap, you can use the following method to "Remove" the highlight

========================================================== ================================The programming of the AsyncSocket network library under the iPhone is described in this article. The CFNetwork C library programming is recommended for the

Prepare Provisioning profile: Keychain Access --> Certificate Assistant --> Request a Certificate from a Certificate Authority --> input email address (App ID), saved to disk. sign in https://developer.apple.com --> iOS Provisioning Portal -->

We use UITextFieldDelegate as an example to describe how to use the delegate. UITextFieldDelegate is the delegate of the control UITextField. The delegate of the control is mainly responsible for responding to control events or controlling other

We will inevitably use classes not available in earlier versions during development. If we want to make our applications compatible with multiple versions as much as possible, we need to consider what to do if the class we use is not in a lower

I have added a new knowledge in iOS5, that is, ARC. In fact, I don't like it very much because I am used to managing the memory myself. However, learning is still necessary. During iOS development, attribute definitions are often related to retain,

Copy: Create an object with an index count of 1, then release the old object retain: Release the old object, and assign the value of the old object to the input object, then increase the index count of the input object to 1. What does the above mean?

1. using ArcGIS Runtime for WindowsPhone SDK to develop a mobile map application, you can locate the location and export multiple location information as a GPX file for other software, such as ArcMap and Google Earth. This article describes how to

1. today, when I made a webservice interface, I was asked to pass a timestamp, and then I started searching for it on Google. two problems are encountered: 1. The current time is converted to the timestamp. 2. The difference between the obtained

IOS does not provide an interface to control the brightness of the system, so what the app can do is darker than the brightness set by the system. The specific method is to put another window on the keywindow of the entire app and set a black

Integrating Multiple images into continuous animation may be required by many apple developers. The following is the code for single playback and loop playback. AnimationImageView. animationImages = imageFrames; // imageFrames is an image array.

13 days more than 106 users to download iOS the individual app "GPSBOX" online. although only a few downloads, but for me personally is certainly. in particle, there is a lot of foreign download DS download. but "GPSBOX" be considered early in the

1 PrefaceUITextView can display multiple lines of text in a sliding view. 2. code exampleZYViewController. h: [Plain] # import  @ Interface ZYViewController: UIViewController @ Property (nonatomic, strong) UITextView * myTextView; @ End # Import @

1 PrefaceDuring App creation, the UITextField Keyboard will block the following content. Because IOS does not have its own mechanism, you need to write your own method to control it, today, we will introduce a simple method to address the problem of

1 PrefaceThis article is a temporary plug-in. Due to work requirements, the company requires that the project in Xcode be generated into an IPA file for version record. because we do not have a developer account, so we need an alternative method for

1 PrefaceToday, let's learn how to move Section and Cell in the UITableView control. 2. code exampleZYViewController. h   [Plain] # import  @ Interface ZYViewController: UIViewController  @ Property (nonatomic, strong) UITableView * myTableView;@

1 PrefaceThis article describes how to call Block Object by using functions and how to call Block Object by using Block Object. 2. code exampleTestDemo. h [Plain]# Import  @ Interface TestDemo: NSObject -(Void) callSimpleBlock;-(Void) callTrimBlock;@

1 PrefaceUse the UIImage class to load an image and then use the drawInRect method of the image to draw it to the graphic environment. The UIImage class provides different class methods and instance methods for loading your images. The following are