IOS separates the elements in the array into strings

Sometimes we need to take the elements out of the array and then put them in a string and separate the elements with commas, and if we use [NSString stringwithformat:@ "%@%@", @ "", @ ","] stitching up, not to achieve the desired effect. A very

IOS uitextview loading Local HTML file example

Sometimes we do not load a Web page directly from the server, we need to load the local HTML file, the implementation of the code is as follows: -(void) Viewdidload {[Super Viewdidload];Self.view.backgroundColor = [Uicolor Whitecolor];Create a URL

iOS development UIButton to the left picture, the picture followed by the text effect

In the use of UIButton, you need to implement UIButton left picture, the picture behind the word effect is more troublesome, simple implementation of the specific code as follows: -(void) Viewdidload {[Super Viewdidload];Self.view.backgroundColor =

Usage of Uiactivityindicatorview activity indicator in IOS development

Software development often encounter half a day before loading out the data, whether the program write rotten, or the original speed is relatively slow, the general will give a hint to let users feel that we are trying to load data, iOS can achieve

Example of a simple menu created by iOS

-(void) Createmeunview{UIButton *showmeunviewbutton = [[UIButton alloc]initwithframe:cgrectmake (0, 0, 100, 40)]; =;[Showmeunviewbutton settitle:@ "Display menu"

iOS shakes the phone and plays the example of a micro-letter rocking Sound

Implement micro-letter shake play sound, the code is as follows: -(void) Motionbegan: (uieventsubtype) Motion withevent: (uievent *) event{if (motion = = Uieventsubtypemotionshake) {NSLog (@ "Shake a Shake, hahaha");[Self playsoundeffect:@

IOS Uialertcontroller Simple Use method

First of all, Uialertview and Uiactionsheet in iOS9 after the official Apple is not recommended, but use Uialertcontroller to replace.There are pictures to testify So it is necessary to learn how to use Uialertcontroller. 1. Get the

iOS development encounters a custom navigation bar Leftbarbuttonitems causes sliding return failure problem resolution

When you use the navigation controller Navigationcontroller to jump to another page, you can return to the previous layer by sliding to the left of the left corner of the screen, except by clicking the return button on the left-hand side. However,

iOS development to achieve the product countdown effect

A. Countdown (e.g., send verification code) #define COUNTDOWNTIME 119//Countdown time#pragma mark-Countdown.-(void) MyTimer{if (countdowntime) {__block int timeout= countdowntime; Countdown timedispatch_queue_t queue = Dispatch_get_global_queue

Apple developed iOS add to the shopping cart animation effect

The code is as follows Copy Code #pragma mark-Shopping Basket button click event-(void) Shoppingcartbuttonaction: (uibutton*) Sender{if ([[Userdef objectforkey:@ "id"]isequaltostring:@ "0"]) {[Self showhudtextonly:@ "please log in,

The Swfit of iOS development uses a custom Uirefreshcontrol Drop-down refresh interface

The default Uirefreshcontrol Drop-down Refresh interface is a daisy progress bar + A description of text, slightly monotonous. In fact, we can use our own created interface view, to facilitate our implementation of various effects. For example, add

IOS UITableView grouped display data List tutorial

There are two styles of UITableView: Uitableviewstyleplain and uitableviewstylegrouped. There is no essential difference between the two, but the latter is displayed in the Normal style by the group style. Today we'll look at the use of groups: 1,

iOS development get the current week program code

Converts the current date to the day of the week -  (void) Getweek {    nscalendar *calendar = [[nscalendar alloc]  initWithCalendarIdentifier:NSGregorianCalendar];     NSDate *now;     NSDateComponents *comps = [[NSDateComponents alloc] init];

How to use jquery technology to develop iOS-style page navigation menu _jquery

Effect Chart: With the increasingly popular iOS-style operating system and navigation in the marketplace, today's jquery tutorial introduces how to generate an iphone-style menu navigation. HTML code We use mosaic to generate menu content

Use regular expressions in IOS to determine whether the card format and bank card number format is correct (recommended) _ Regular expression

1. Sometimes we use the upload ID number, or the bank card number, this time we need to the ID card number and the bank card number, the basic judgment. The following is the judgement of the ID number return Yes is legal, otherwise illegal

Detailed IOS development-using afnetworking to achieve HTTPS one-way authentication, two-way authentication _ios

Since Apple announced January 1, 2017 the start of the mandatory use of HTTPS, Htpps has slowly become one of the objects discussed, not that the previous HTTPS did not appear, but this decision so that the developers did not expect, the blogger in 1

Use IOS control Uicollectionview to generate an instance of a drag desktop _ios

The popularity of an app comes from the fact that it provides convenient functionality for the user and, on the other hand, comes from its UI. The UI is an important part of the user experience, and the elements that make up the UI are inseparable

Detailed IOS Learning notes (17)--File Manipulation (Nsfilemanager) _ios

iOS sandbox mechanism, applications can only access files in their own application directory. Unlike Android, iOS does not have the SD card concept to directly access images, video, and more. The content produced by iOS applications, such as images,

IOS via proxy Reverse transfer value of the way detailed _ios

Objective In the development of iOS, several kinds of reverse transfer value, there are agents (delegate), Notice (nsnotification), block and so on, this article gives us analysis, how to understand and quick to start agent mode, and with a simple

IOS Micro-Credit third-party login instance _ios

This example for you to share the iOS micro-letter Third-party login for your reference, the specific contents are as follows First, preparatory work1, to micro-letter open platform to register as a developer, access to AppID2, Import

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