Use TextKit to implement expressions, image and text mixing, and textkit expressions

Use TextKit to implement expressions, image and text mixing, and textkit expressions Using coreText and coreImage that was previously provided by Xcode to achieve text-and-text mixing, the Code volume is very large and is not easy to

UITextField attribute, uitextfield

UITextField attribute, uitextfield1. borderStyle Set the border style. The border style is displayed only when it is set. text.borderStyle = UITextBorderStyleRoundedRect;typedef enum {   UITextBorderStyleNone,    UITextBorderStyleLine, 

[Reading Notes] 100 Switf tips and switf tips

[Reading Notes] 100 Switf tips and switf tips   StatementWelcome to repost, but please keep the original source of the article :) blog Park: http://www.cnblogs.com farmer UNCLE: http://over140.cnblogs.com Body1. Selector can be constructed using

UILabel of UI -- attributes and usage, uiuilabel -- Usage

UILabel of UI -- attributes and usage, uiuilabel -- Usage 1 // initialize the Label and set the location and size of the label. 2 UILabel * label = [[UILabel alloc] initWithFrame: CGRectMake (50,100,100, 40)]; 3 4 // set the label position and size 5

IOS block and iosblock

IOS block and iosblock //// Block. h // Block //// Created by tqh on 15/4/12. // Copyright (c) 2015 tqh. all rights reserved. // # import typedef void (^ block1) (id obj); typedef void (^ block2) (); typedef NSInteger (^ block3) (); @ interface

IOS tableVIewcell to the left end of the horizontal line, iostableviewcell

IOS tableVIewcell to the left end of the horizontal line, iostableviewcell You need to add the following code to initialize tableview and draw the cell Proxy: // Initialize and add Self. tableView_chose = [[UITableView alloc] init]; If ([self.

Common GCD methods, gcd

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NSURLSession download and resumable data transfer, nsurlsession

NSURLSession download and resumable data transfer, nsurlsession NSURLSession is a new network interface after iOS7, which is similar to the common use of NSURLConnection. When the program is on the frontend, NSURLSession and NSURLConnection can

Plist files are read and written multiple times to implement localization of IOS data and local processing of small amounts of data.

Plist files are read and written multiple times to implement localization of IOS data and local processing of small amounts of data. Put the following code directly:   (Void) viewDidLoad {[super viewDidLoad]; // read the plist file in the Program

IOS development: Sounds like a system! Make your own voice!

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IOS Mobile Phone Number Format Verification

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IOS UITextView limit

IOS UITextView limit         // UITextVIew input box Self. contentTV = [[UITextView alloc] initWithFrame: CGRectMake (0, lineVIewOne. frame. origin. y + lineVIewOne. frame. size. height + 1, self. view. frame. size. width, 160)]; Self. contentTV.

Use the dispatch_benchmark function for benchmarking. the benchmark Function

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WWDC-iOS memory performance and Principle notes

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IOS development-custom list controls

IOS development-custom list controls In the past two days, projects are relatively idle. When you are idle, You can implement the list control by yourself. It took about one day from the start of the project to the preliminary completion. At present,

IOS call system SMS function details

IOS call system SMS function details The SMS function of iOS call system can be divided into two types: 1. The system sends messages outside the program. 2. The program calls the system to send text messages. The second advantage is that users can

IOS advanced development KVC (1)

IOS advanced development KVC (1) The Skillful Use of KVC can bring us great benefits in the development process. Especially when the json conversion model is used, KVC frees programmers from tedious and nutritious code accumulation. Reducing the

IOS development-Gesture Recognition (UIGestureRecognizer)

IOS development-Gesture Recognition (UIGestureRecognizer)UIGestureRecognizer The UIGestureRecognizer must be used to complete gesture recognition. Using UIGestureRecognizer, you can easily identify some common gestures you make on a

Handling iOS users' click events

Handling iOS users' click eventsProcessing Mechanism For iOS event processing, you should first find the view that can process click events, and then process the click event in the view that you find. The processing principle is as follows: • When a

MapKit --- Map Framework in iOS

MapKit --- Map Framework in iOS In iOS, you can simply use the MapKit framework to develop maps.Basic Steps: import MapKit ViewController inherits the MKMapViewDelegate protocol and adds a MapKit View to prepare a corresponding region information,

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