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Basic knowledge of IOS development-fragment 12, basic knowledge of ios-Fragment 1: Use Delegate . H # import @ protocol FilterHeaderViewDelegate @ required-(void) handle :( id) sender; @ endextern float handle; @ interface FilterHeaderView:

How to use lazy loading in iOS development UI and ios development ui

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Apple Watch application development experience: the pitfalls I encounter, watch Application Development

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Add admob ads with swift for iOS development

Add admob ads with swift for iOS development Step 1: register an accountFirst, you need to register an account on the admob official website and get the ID number of your advertising agency.For example: Step 2: Download admob SDK1.:

IOS --- Singleton Mode

IOS --- Singleton Mode Dispatch_once The dispatch_once function is an API that only executes the specified processing once during application execution. The following Frequently-seen source code for initialization can be simplified through the

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Tips for iOS development 1. function used to calculate the image position: AVMakeRectWithAspectRatioInsideRect () Through this function, we can calculate the center display of an image placed in another view according to a certain proportion. It may

Hybrid mobile app: using web technology to provide Native experience

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The ASIHttpRequest function is used to load network data and data.

The ASIHttpRequest function is used to load network data and data. To use the third library of ASIHttpRequest, You need to configure II, The data upload function uses ASIFromDataRequest (binary and string can be uploaded to the server) The

KVC/KVO, kvckvo

KVC/KVO, kvckvo 1 // KVC (Key Value Coding) 2 // assign values to attributes of an object, 3 Student * stu = [[Student alloc] init]; 4 [stu setValue: @ "xiaowang" forKey: @ "name"]; 5 NSLog (@ "% @", stu. name); 6 7 8 // KVO (Key Value Observer) 9 /

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Seven major iOS gestures (translation, kneading, scanning, and screen edge scanning)Gestures are easy to use and can be divided into two steps: (4) Translation gestures         (5) kneading gestures           (6) Scanning gestures       Change

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JSONModel, iosjsonmodel 1 // only declare the attribute class, called the entity class (model class) 2 // Student. declare attribute 3 @ property (strong, nonatomic) NSString * name; 4 @ property (assign, nonatomic) int age; 5 @ property (strong,

Hide the status bar for iOS

Hide the status bar for iOS It is not easy to operate the status bar on the top after iOS. The procedure is as follows: First, add the View controller-based status bar appearance item to the info. plist file, 1. If the View controller-based status

Notes for Using iOS Baidu Map

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New font type for IOS

New font type for IOS1. Download the font you need from the Internet. Format:. ttfFor example, "文中. ttf" 2. Import the font in the project3. Configure the font in info. plist.4. view the font name NSArray * familyNames = [UIFont familyNames]; for

How to add your own fonts for iOS ------ lable sets custom Fonts

How to add your own fonts for iOS ------ lable sets custom Fonts Today I made a lable program for custom fonts. The design said that the system does not conform to the artistic atmosphere, so I designed a Custom font and added it to the project. 1.

IOS Reveal and simple cracking methods

IOS Reveal and simple cracking methods Reveal, as a powerful tool for analyzing the app ui, is very easy to use and can be used to view any UI layout. 1. simulator Analysis 1. Open Reveal (http://revealapp.com download) 2. Open Xcode 3. Reveal -

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