Swift details UIImagePickerController calls the album camera function, uiimagepicker

Swift details UIImagePickerController calls the album camera function, uiimagepicker First, add the UINavigationControllerDelegate and UIImagePickerControllerDelegate protocol.To use UIImagePickerController, you must implement the

IOS app starts

IOS app starts1. main function 2. UIApplicationMain * Create UIApplication object * Create the delegate object of UIApplication 3. when the delegate object starts to process (Listen) system events (no storyboard is available) * after the program is

Simple use of iOS KVC and KVO

Simple use of iOS KVC and KVO# Import "ViewController. h"# Import @ Interface DataModel: NSObject @ Property (nonatomic, copy) NSString * stockName; @ Property (nonatomic, assign) float price; @ End @ Implementation DataModel @ End

Custom Control Development set for iOS development series-custom single-choice button or multiple-choice button control development

Custom Control Development set for iOS development series-custom single-choice button or multiple-choice button control development In our actual development, when we perform login or registration, we often need to select a Protocol. At this time,

Learning socket programming in iOS from scratch-highly concurrent multi-thread Server

Learning socket programming in iOS from scratch-highly concurrent multi-thread Server In the previous article "I learned socket programming from the beginning in iOS -- HTTP1.0 server", we have been exposed to the HTTP server built by OC.For the

Common custom control development set for iOS development series-custom drop-down list button control development

Common custom control development set for iOS development series-custom drop-down list button control development In actual development, we need to use the drop-down list many times. Let's implement it below.The whc_combox.h header file is as

IOS app loading process (from clicking the icon to display on the page)

IOS app loading process (from clicking the icon to display on the page) Today, when I helped my colleagues solve the problem, I found that the cause of the program BUG was that my colleagues were not familiar with the process of starting and trying

Convert NSArray and NSDictionary to JSONString, nsdictionarynsarray

Convert NSArray and NSDictionary to JSONString, nsdictionarynsarray 1. Convert NSArray to JSONString //NSArray+JSONString.h@interface NSArray (JSONString)- (NSString *)jsonStringWithPrettyPrint:(BOOL)prettyPrint;@end @implementation NSArray

IOS project-debut and ios project debut

IOS project-debut and ios project debut I have been reading about IOS projects all the time recently. Today, I finally ushered in my first IOS project. Unfortunately, this project is not developed from the beginning, but is maintained and added with

Several methods of animation programming in iOS development and ios development

Several methods of animation programming in iOS development and ios developmentSeveral methods of animation programming in iOS development There are five animation summaries in IOS: UIView , CAAnimation , NSTimer Here I will summarize these five

IOS Original Ecological refresh control-UIRefreshControl

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UIButton-first knowledge of IOS, uibutton-ios

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Develop multiple mac shared certificates for ios (migrate ios development certificates)

Develop multiple mac shared certificates for ios (migrate ios development certificates) Sometimes certificates need to be transplanted or multiple mac servers share a set of certificates. You only need to export the corresponding certificate.

IOS --- optimize lazy (lazy) mode and asynchronous loading mode when tableview loads Images

IOS --- optimize lazy (lazy) mode and asynchronous loading mode when tableview loads Images For example, when we use the Netease news App and watch so many news, not all of them are of interest to us. Sometimes we just slide fast, if you want to

IOS call Function

IOS call Function // The first call Method -(IBAction) firstCall :( id) sender { NSString * phone = @" 18749627117 "; If (phone! = Nil ){ [[UIApplication sharedApplication] openURL: [NSURL URLWithString: [NSString stringWithFormat: @ "tel: % @",

IOS development language Swift getting started

IOS development language Swift getting started Generally, the first program in the programming language tutorial should print "Hello,> world" on the screen ". In> Swift>, you can use a line of code: println("Hello, world"); If you have written> C>

Getting started with IOS development language Swift-Basic Operators

Getting started with IOS development language Swift-Basic Operators Operators are special symbols or phrases used to check, change, and merge values. For example, the plus sign + adds two numbers (for example, let I = 1 + 2 ). Complex operations

IOS development language Swift getting started-Basics

IOS development language Swift getting started-Basics Swift> is a new language for iOS> and> OS X> application development. However, if you have> C> or> Objective-C> development experience, you will find that many content> Swift> is familiar to

ViewController and viewcontroller

ViewController and viewcontroller  1. page Jump1. Use UINavigationController to call pushViewController for redirection. In this way, use the stack pressure and stack exit method to manage the Controller. You can call the popViewControllerAnimated

) Screen resolutions of all iOS devices and ios devices

(To) the screen resolution of all iOS devices. Phone: iPhone 1G 320x480iPhone 3G 320x480iPhone 3GS 320x480iPhone 4 platinum 4S platinum 5 640x1136iPhone 5S platinum 5C 640x1136iPhone 6 750x1334iPhone 6 Plus 1080x1920 (developed to be adapted to 1242

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