IOS

Generally speaking of comparison size, we will think of comparing the size of two digits, but if you compare the size of two dates, such as: compare the size of 2016-07-21 and 2016-08-20, nsdate between the compare to achieve, collation method, the

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 =

Sina Weibo has been used to find that Weibo provides several special symbolic labels for the messages sent. For example: Enter "@+ Weibo user nickname (ie ID) + space or punctuation", then in this micro-blog This @ entry will appear as a hyperlink

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

Viewcontroller Load View When loaded from the storyboards, the Initwithcode is invoked, and the Init is invoked if it does not exist. The Awakefromnib method is then invoked for each object inside. In the case of alloc out of memory, the Init

During iOS development, multiple Uibarbutton distances added to Uitoolbar and Uinavigationbar are usually fixed and cannot be adjusted.For example, when adding more than two Uibarbutton to the right of the Uinavigationbar, two Uibarbutton plus the

A long time ago to come up with an iOS fee-paid tutorial, but a check on the online tutorial is too much, some write really pretty good, just think about it, and then saved in the draft box. As for why to write it out! It's a long story, and

Objective It is well known that Uiscrollview's infinite scrolling is mainly used in picture carousel, welcome interface and other scenes. The idea is to add a picture before and after the picture that you want to display, which is the last picture

Self and Super Difference 1, self calls its own method, super calls the parent class method2, Self is class, super is precompiled instruction3, "Self class" and "Super class" output is the same Self and Super Bottom implementation principles 1.

Objective It is believed that for iOS developers, in the development process, often with UITableView, will encounter data is empty situation, then need to put a picture on the empty page and a line of text hint data is empty, the following two

The idea of fuzzy search is to compare the text in the search box to the resources in the background when the search box is edited, including the display of the search text in the TableView. The key part of the code is as follows: -(void)

Project Address: Https://github.com/zhonggaorong/weixinLoginDemo The latest version of the micro-letter login implementation steps to achieve: 1. In the micro-letter OAuth2.0 Authorized login access, the micro-trust open platform to register the

When the application crashes in the device, iOS logs the error log and creates a crash report (Crash). The crash report contains versions of iOS, dates, exception types, stack traces, and other information. ① view crash report in Xcode When the

First, let's take a look at its view level diagram: Copy Code code as follows: -(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (nsdictionary *) launchOptions { Self.window = [[UIWindow alloc]

Recently to a game for multi-language localization, on the Internet to find some solutions, coupled with their own a little idea to organize a set of programs and share! Multiple languages typically have two approaches in an application: One, the

Objective: In the development process, a UI development approach like Android and other platforms requires a mask diagram to display part of the UI or icon resources. iOS controls have alpha values, but this value is transparent to the entire icon

Mobile Internet app development, must always pay attention to the user experience, so as to avoid the app or mobile phone and other mobile device card death, the following is the processing of cached files. Mobile applications in processing network

The picture below is the screenshot of Jingdong Mall Many people see this, the first thought is to use TableView and CollectionView to do the switch, the author was just beginning to think so, and later found that there is a very simple method,

In the iOS open method often encounter the keyboard shielding screen things (such as the input account password verification code, etc.), so that the original is not a large screen directly accounted for more than half of the position, this does not

1. Download the Taiji jailbreak toolDownload Address: http://apt.taig.com/installer/TaiG_1006.zip2. If the jailbreak occurs, you must disable "Find My iPhone"IPhone 6 plus "Settings-> icowould-> Find My iPhone" can be turned off.3. Disable the