Basic knowledge of IOS development-fragment 39, basic knowledge of ios-39

Basic knowledge of IOS development-fragment 39, basic knowledge of ios-39 1: UIWindow knowledge point - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window=[[UIWindow

[IOS/translation] Cocoa Touch Layer

[IOS/translation] Cocoa Touch Layer The Cocoa Touch layer contains key libraries to build IOS applications. These libraries define the performance of applications. They provide basic space for applications and key technologies such as multitasking,

Detailed steps for iOS Baidu map SDK integration and iossdk Integration

Detailed steps for iOS Baidu map SDK integration and iossdk Integration 1. iOS Baidu map http://developer.baidu.com/map/index.php? Title = iossdk/sdkiosdev-download Select different versions as needed. Here we use the custom download SDK as the

The control on the UIView uses the push method to jump to, uiviewpush

The control on the UIView uses the push method to jump to, uiviewpush Sometimes in a project, in order to ensure the consistency of the forward and backward page Jump methods, the control on the UIview will jump to another Controller. Therefore,

Take notes on ios development and take notes on ios development

Take notes on ios development and take notes on ios development +-Symbol before the Method The method of the plus sign (+) is a class method, which can be called directly by class name. Its function is mainly to create an instance. It is equivalent

April 21, 2016 Baidu iOS intern online pen Questions & amp; programming questions, 2016 ios

April 21, 2016 Baidu iOS intern online pen Questions & programming questions, 2016 ios 1. How many steps can a person go up one, two, or three steps at a time? Idea: first establish a mathematical model, set up three steps to go I, two steps to go j

IOS searches for nearby locations (similar to Weibo moments) and ios moments

IOS searches for nearby locations (similar to Weibo moments) and ios moments Everything is pale ~   In some cases, we need to obtain the user's surrounding location for the user to select. For example, when sending a circle of friends, you can

Lazy loading and ios lazy loading

Lazy loading and ios lazy loading Definition of lazy loading: The so-called lazy loading can be defined:Delayed loading, that is, loading when the object needs to be used. This is actually the so-called get Method for rewriting objects,When the

How to develop small functions for iOS (pop-up birthday keyboard is used as an example)

How to develop small functions for iOS (pop-up birthday keyboard is used as an example)     1 # import "ViewController. h "2 3 @ interface ViewController () 4 @ property (weak, nonatomic) IBOutlet UITextField * birthdayLabel; 5 @ property (strong,

[Code Note] compares two time strings and notes strings.

[Code Note] compares two time strings and notes strings. I ,. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. [self initTimerCompare] ;}# pragma-mark-functions // comparison time-(void)

Common Xcode shortcuts and xcode shortcuts

Common Xcode shortcuts and xcode shortcuts Because mac is used for the first time, all the shortcut keys on mac are in the form of symbols, which cannot be remembered. The record is as follows. The correspondence between the symbol root keys on mac

IOS CALayer view layer

IOS CALayer view layer In iOS, there are a series of problems such as graphic conversion, animation effects, adding views, and so on. This knowledge is used when designing pages, designing images, and adding animations.Simply put, it is the layer of

IOS fun talk design model-notification, ios fun talk Design Model

IOS fun talk design model-notification, ios fun talk Design Model [Preface] A design mode of iOS, the Observer mode (also called publish/Subscribe, namely Publich/Subscribe mode ). Observer mode, which includes notification and KVO

Summary of iOS MVC-based project Reconstruction

Summary of iOS MVC-based project ReconstructionMVC in iOS and MVPCocoa According to the description on the official website, MVC in Cocoa is like this: Model Objects Encapsulate Data and Basic Behaviors View Objects Present Information to the

Research on iOS streaming media based on the IJKPlayer framework of site B

Research on iOS streaming media based on the IJKPlayer framework of site B 1. Streaming Media Streaming Media Technology can be divided into progressive download and implementation of streaming media.1. Progressive download It is a playback mode

Automatic UI Layout

Automatic UI Layout When the internal or external conditions change, the position and size of the view are automatically recalculated. For ios apps, changes that can trigger automatic layout can be divided into external changes and internal changes:

Custom transition animation of presentViewController (Swift)

Custom transition animation of presentViewController (Swift)Preface: IOS defaultpresentViewControllerThe switching animation is pushed from the bottom, and disappears from the top. However, by default, the iOS system is applicable to all transfer

Xcode7 and ios9 adaptation path

Xcode7 and ios9 adaptation path After upgrading xcode7.2 from xcode6.x, we found that we had to do a bunch of things for adaptation, otherwise the previous project could not run well. I. Change the database All databases with the dylib suffix must

IOS Animation-5: UIBezier

IOS Animation-5: UIBezier In the previous bolg, you will find that UIBezier always appears, but I have not made too many introductions. Today I will focus on introducing UIBezier. First of all, UIBezier has a lot of content. I am not introducing

IOS 9 App slimming function

IOS 9 App slimming functionIntroduction to App slimming There are a large number of iOS devices on the current market, so there are a variety of screen sizes and resolutions, A large amount of resources (such as png, jpeg, and binary PDF) are

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