IOS

-(Void) recordVideo: (id) sender { UIImagePickerController * ipc = [[UIImagePickerController alloc] init]; Ipc. sourceType = UIImagePickerControllerSourceTypeCamera; Ipc. delegate = self; Ipc. allowsEditing = YES;Www.2cto.comIpc. videoQuality =

To filter html tags in a string: [Cpp]-(NSString *) filterHtmlTag :( NSString *) originHtmlStr {NSString * result = nil;Nsange arrowTagStartRange = [originHtmlStr rangeOfString: @ "If (arrowTagStartRange. location! = NSNotFound) {// If you

The programming of the AsyncSocket network library under the iPhone is described in this article. The CFNetwork C library programming is recommended for the iphone standard, but programming is quite annoying. In other operating systems, classes are

Each product of Apple has several types, from iphone to ipod and ipad, and each product has several types, from iphone 2g to iphone 5, from iPod touch5 to iPod touch5, from ipad1 to ipad4, nothing else can do. But how do I detect these types in ios

Print? Nsicationicationcenter * defaultCenter = [NSNotificationCenter defacenter center]; // [defaultCenter addObserver: self selector: @ selector (keyboardWillShow :) name: Your object: nil] appears on the uikeyboardwillcenter keyboard. // The

Use UISlider to create a slide for the specified range and place it in the view of the attempt controller. @ Interface SliderView: UIViewController @ property (non atomic, strong) UISlider * mySlider; @ end @ synthesize mySlider;-(void) viewDidLoad {

[Cpp] [cpp] (CGRect) getFrameSizeForImage :( UIImage *) image inImageView :( UIImageView *) imageView {float hfactor = image. size. width/imageView. frame. size. width; float vfactor = image. size. height/imageView. frame. size. height; float factor

Table view is the most frequently used view in iOS development. We usually choose to display data in the form of tables, such as address book and channel list. The table view's functions such as segmentation, grouping, and indexing make the data we

During development, we will use nsicationicationcenter and NSFileManager to obtain their instances through [nsicationicationcenter defacenter center] and [NSFileManager defaultManager]. In fact, this is a singleton. Let's take a look at void

After iOS 5 is implemented based on paging navigation, you can use the paging controller (UIPageViewController) to build applications similar to the e-book effect. This is called a paging-based application. A paging application has many related view

For example, set the delegate of B to A on the page, //. in m, B * B = [B alloc] init]; B. delegate = self; [self. view addSubview: B]; [B release]; then 1. A is responsible for creating B, and A's lifecycle must be longer than B (B exists, A must

1. when full screen width is involved in the program, do not write 320 and 480 # define Screen_height [[UIScreen mainScreen] bounds] In the code during initialization. size. height # define Screen_width [[UIScreen mainScreen] bounds]. size. width 2.

NSString, NSArray, NSData, and NSDictionary all implement the NSCoding protocol and can be directly archived by calling writeToFile. What about the OBJC custom object type? First, implement the NSCoding protocol, rewrite the encodeWithCode method

  -(Void) UIViewAnimation :( UIView *) view Frame :( CGRect) frame Type :( int) type Alpha :( float) alpha Duration :( float) duration { [UIView beginAnimations: nil context: nil]; [UIView setAnimationDuration: duration]; [UIView setAnimationCurve:

It has been a long time since the iPhone 5 was released. Due to the changes in screen size, flexible UI control by the program is particularly important. In fact, this summary still uses the relevant attributes in the old API, but we didn't think

1 PrefaceThe UIProgressView control is used to display the progress bar that describes the progress of a task. 2. code exampleZYViewController. h: [Plain] view plaincopyprint? # Import  @ Interface ZYViewController: UIViewController @ Property

1 PrefaceUse the CGAffineTransformMakeRotation/CGContextRotateCTM function to create an affine Rotation Transformation. 2. code exampleZYViewControllerView. m   [Plain]-(void) drawRect :( CGRect) rect {/* Create the path first. Just the path handle .

When you build your app on the ipad, the following prompt appears:Objc [1334]: Class ASIAuthenticationDialog is implemented in both/var/mobile/Applications/DDD5C5F0-49E4-425F-AEAE-0AC27FA8A0AC/MyApp. app/MyApp

Many third-party. a files (generally those sdks) are embedded in our xcode project, and no error is reported after they are generated. Some Careless SDK providers, or our own. in file a, an error is reported. The common error is that it is not the