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IOS learning notes (11) IOS development of the table view (UITableView) Basic Introduction (I) (blog address: http://blog.csdn.net/developer_jiangqq) reprinted please note the address. Author: hmjiangqq Email: jiangqqlmj@163.com (1): basic concepts of UITableView 1. In

iOS 11 development tutorial (ii) Writing the first iOS 11 app to write the first iOS 11 appThis section will take an iOS 11 application as a

Author: Lin Nuo Lin Reprint please indicate the source: http://blog.csdn.net/loving_ios/article/details/78573630 1, access to album permissions Nsphotolibraryaddusagedescription Some articles mention that iOS 11 changed the Nsphotolibraryusagedescription access to albums to Nsphotolibraryaddusagedescription. Not really. The official API explains that

Preferslargetitles property, as long as the preferslargetitles is yes when it takes effect, Largetitledisplaymode has three modes: Uinavigationitemlargetitledisplaymodeautomatic: Automatically displays a large title or a small title. In my words: The initial is a large title, when sliding so that the large title hidden display small title. Uinavigationitemlargetitledisplaymodealways: Always display a large title. Uinavigationitemlargetitledisplaymodenever: Always show small headings. 3, Largeti

H. 11 format, iOS hard codec, and support 1,h.264 format for HEVC hard codec in iOSThe network representation layer nal,h.264 flow consists of a frame-by-frame Nalu;SPS: Sequence parameter set, used for a series of sequential coded images;PPS: An image parameter set that is used to encode one or more independent images in a video sequence;These two frames are als

Question 1. Custom Uitoolbar, after upgrading to iOS 11, click No response Reason: IOS11 's uitoolbar adds a Uitoolbarcontentview child control that covers the outermost layer so that the button is added at the bottom, and the click does not respond. Workaround: The best way: after the Uitoolbar is instantiated, Add [Toolbar layoutifneeded]; Can. (Pro-Test avail

Basic knowledge of IOS development-fragment 11, basic knowledge of ios-Fragment 1: AFNetwork determines the network status # Import "AFNetworkActivityIndicatorManager. h "-(BOOL) application :( UIApplication *) application syntax :( NSDictionary *) launchOptions {// network [[sharesharedmanager] setEnabled: YES]; [[AFN

Applicable to UITableView and iosuitableview in IOS 11 In May September, Apple released IOS11 and Iphone X. The hardware of this operating system has made great effort for developers to adapt. Let's take a look at IOS 11, where the pain points need to be adapted: 1. The UI o

user's behavior, for example, by predicting the user's habits, timing to send the user feed? In short, there are many scenarios that can be applied.Iv. using core ml in image recognition practiceRequires Xcode 9 Beta1 or later, as well as an IOS 11 environment, to download the demoThe project allows users to select a picture from the photo gallery and select the object classification recognition and t

didChangeStatusBarOrientation :( UIInterfaceOrientation) oldStatusBarOrientation description: after the StatusBar box direction changes, execute 12,-(void) application :( UIApplication *) application didChangeSetStatusBarFrame :( CGRect) oldStatusBarFrame Description: After the StatusBar box changes, execute Application differences between iOS 11 and iOS 10

PrefaceSeptember 20, formally push the official version of Xcode 9 and iOS 11, the adaptation of iOS 11 is the first to adapt, many online tutorials, not repeat. The main point here is that the adaptation of the iphone x to the big God level can not be seen, I am speaking here is mainly the basic adaptation workSummary

Block in IOS and lambda and ioslamloud in C ++ 11 Block in ios is a function pointer, but to be more precise, in fact, it should be regarded as object-c's support for lambda in C ++ 11 or a language variant. its actual content is the same, I have already introduced C ++ lambda. Now let's talk about block in

call super. ' -(void) layoutsubviews{ // Auto-layout content in front of Super Layoutsubviews [Self _ Updateconstraints]; [Super Layoutsubviews];}5: Interaction with JS, and the JS code compatible with Android and iOSJS Code: $ (function () {varU = navigator.useragent, app =navigator.appversion; varIsandroid = U.indexof ('Android') >-1|| U.indexof ('Linux') >-1;//Android Terminal or UC browser

IOS 11, iPhone X, and Xcode9 adaptation guide, ios11iphone After iOS11 is updated, it is found that adaptation is required in some areas. After sorting, the priority is divided into the following three categories: 1. changes caused by upgrade of iOS11; 2. changes caused by Xcode9 packaging; 3. Compatibility with iPhone x I. changes caused by upgrade of iOS11

Viewcontroller:uiviewcontroller, uigesturerecognizerdelegate {@IBOutlet weak var image:uiimageview ! Override Func Viewdidload () {super.viewdidload ()//drag Let pan = Uipangesturerecognizer (target:self , Action:Selector.init ("Panview:")) Pan.delegate = self Self.image.addGestureRecognizer (PAN)//rotate Let rotate = Uirotationgesturerecognizer (target:self, Action:Selector.init ("Rotateview:")) Rotate.delegate = Self Self.image.addGestureRecognizer (rotate)//zoom Let pinch = U

and use macros to replace all macros in your program with macro corresponding variables, each of which is a temporary memory and uses the global Const constant, which guarantees that there will always be only one copy of memory 2.4 How to use iOS projects Note 1: Constants cannot be defined in a PCH file, otherwise the definition of the constant is included in each file, resulting in a duplica

?UITableViewCell has several built-in types, such as Uitableviewcellstyledefault, UITableViewCellStyleValue1, and UITableViewCellStyleValue2.These cells are pre-configured in the SDK, and they present fixed built-in styles such as font size, color, alignment, and so on. If you want to modify these configurations, it is likely to show abnormal, such as some text can be displayed at a sudden, do not display at once, or suddenly display the inherent font (and color), suddenly (for example, click on

original class produce name conflicts, the class overrides the original method because the category has a higher priority. 14. There are 3 main functions of the category: 1). Spread the implementation of the class across multiple different files or multiple different frameworks. 2). Create a forward reference to the private method. 3). Add an informal agreement to the object. Inheritance can add, modify, or Delete methods, and can add

*stringarray=[newurl componentsseparatedbystring:@ "//"]; if (Stringarray.count>1[[stringarray objectatindex:1] isequaltostring:@ "BackHome"]) {[Self webJa Vascriptbackhome]; }} return YES; Note: Better iOS JS interactive third-party plugin webviewjavascriptbridge[Good instructions on how to use this plugin: http://www.henishuo.com/webviewjavascriptbridge

IOS 11 Development Tutorials (14) IOS11 App code add viewWhat if the developer wants to add views to the main view using code? The following will solve this problem for developers. To add views to the main view using code, you need to implement 3 steps.(1) Materialized View objectEach view is a specific class. In Swift, it is often said that a class is an abstrac