IOS

The application can start a certain method regardless of the view controller or mobile phone. The thought is to use the "MotionEvent" encapsulated by Apple, but if you simply add the code to a view controller, only when the view controller is

# Pragma mark-this is a private method. Try not to directly use attributes in the method, because attributes are generally associated with the interface, we can use the attribute # pragma mark post login method through parameters-(void)

 In some applications, we need to use the camera of the iOS device to take photos and videos. Select the image or video from the album.For iOS camera and album applications, you can use the UIImagePickerController class for control.About

UIWebView is a built-in IOS browser that allows you to browse webpages and open documents in html/htm pdf docx txt and other formats. Safari is implemented through UIWebView. The server puts MIME identifiers in the transmitted data and tells the

After the previous article is compiled, it is very irresponsible. This article will give a brief introduction to the use of iPJSUA, an example provided in the PJSIP library. It can also alleviate many people's troubles with official documents. At

The specific error is as follows, which can be solved:   08:57:46. 508 XYZ [707: 1403] *** Assertion failure in-[UIKeyboardTaskQueue failed],/SourceCache/UIKit_Sim/UIKit-2935.137/Keyboard/UIKeyboardTaskQueue. m: 368 08:57:46. 509 XYZ [707: 1403] ***

The control learned this time is very important and very powerful. It is a control with a very high usage in ios apps. It can be said that almost every app will use it, and it is a very powerful Table Views. You can open the phone, Messages,

1. Add a view on ios7 tableviewcell with a button on the view. click the button to run the button. Solution: Self. view. userInteractionEnabled = YES; [Cell. contentView addSubview: self. view] The main problem is that the cell height is not as high

Add CoreImage. framework CoreGraphic. framework and other libraries # Import is introduced during use. It supports iOS 5.0 and later versions. -(Void) show { UIImage * img = [selfgetBlurImage: [UIImageimageNamed: @ "Default-568h.png"]; [_

Highly adaptive UITextView for iOS Dev (59)   The following _ inputTextView is a UITextView instance. First, set its delegate, and then add UITextViewDelegate to the interface declaration of your header file. _inputTextView.delegate =

The main content of this study is Multiview. When we learn how to use multiple views during iphone rotation, the view here is different from the multiple views in the rotating screen, multiple Views involved in rotating the screen are in one xib

This article is about switching Views, which is also the third method mentioned in the previous article to change the layout after the iphone rotates, first, let's review the three methods mentioned in the previous article. 1. Use Autosizing 2,

Next, we will continue to learn about other ios controls. The controls used this time include Slider, and of course there are some labels that have been used before. We will not create a new project this time. Of course, if you want to create a new

Sorry, the interval is a little long. There have been too many things recently, and there is a delay. Well, let's make a short speech. Next we will continue to learn about ios. The content of this study is Autorotation and Autosizing. Autorotation

　　　　　　　　　　　　　　　　WillSet and didSet in Swift Zhou yinhui   The willSet and didSet features are used in Swift to monitor attribute value changes except initialization. You don't need to talk too much. You can quickly understand the following

　　　　　　　　　　　　　Swift? And! Reproduced in: http://joeyio.com/ios/2014/06/04/swift ---/   The Swift language uses var to define variables, but unlike other languages, Swift does not automatically assign an initial value to the variables, that is, the

1. Process1.1> process refers to an application running in the system. (when both QQ and Xcode are enabled, the system starts two processes respectively)1.2> each process is independent, and each process runs in its dedicated and protected memory

1. thread statusNSThread * thread = [[NSThread alloc] initWithTarget: self selector: @ selector (run) object: nil];[Thread start]; 2. Control thread status2.1> start thread-(void) start;// Enter the ready state-> running state. When the thread task

My technical blog is often maliciously crawled and reproduced by rogue websites. Please move to the original article: Workshop. Sometimes we need to put SEL in the Collection types such as NSArray and NSDictionary. For example, when a new thread

My technical blog is often maliciously crawled and reproduced by rogue websites. Please move to the original article: Workshop. When calling a function using the function name or function pointer in Objective-C, the callback function is used as an