IOS

Set the spacing of UICollectionViewCell and uicollectioncell.Set the spacing of UICollectionViewCell   # Pragma mark-UICollectionView size (width and height, three rows on average) -(CGSize) collectionView :( UICollectionView *) collectionView

UITableViewHeaderFooterView encapsulation, headerfooterviewxib UITableViewHeaderFooterView Encapsulation   Features 1. encapsulatedUITableViewHeaderFooterViewAllows users to better customize their ownHeaderView; 2. encapsulatedUITableViewCellAllows

IOS development and localStorage/sessionStorage, sessionlocalstorage I. Preface In my recent work, a front-end student told me to clear localStorage. I had no idea about localStorage at the time, so I read the related content at w3c. The following

Summary of Swift advanced syntax and summary of swift syntax 1. Functions1.1 func funcNmae ()-> () {} defines a function. Its parameter is null and the return value is null, if there are parameters and return values, you can simply write them in two

IOS development-UIButton (button) of the UIKit control and uikituibutton (Note: This article describes some of the method attributes used in my daily development as a memo) Like UIView, UIButton is the most commonly used and common UIKit control in

The tabBarItem icon of UITabBarController is not displayed on the VM. Select the icon and unselected image respectively in the xib. Simulator Effect Selected Not selected When multiple models were used for testing, it was found that some models

IOS development-UIView of the UIKit control (View) and uikituiview (Note: This article only records the things I usually need as a memo) UIView is the most common and commonly used control in iOS development. It is a control encapsulated in the

11. Create and use the singleton mode (macro) and createinstance Mode 1 //. h文2 2 # define ZWSingletonH (name) + (instancetype) shared ## name; 3 4 //. m file 5 # define ZWSingletonM (name) \ 6 static id _ instance; \ 7 \ 8 + (instancetype)

In-depth analysis of the Masonry framework source code for iOS development, and the iosmasonry framework source code MasonryIt is a lightweight framework that iOS often uses in the control layout. Masonry makes NSLayoutConstraint easier to use.

Use the UIBezierPath array to hollow out the UIView. Use the UIBezierPath array to hollow out the UIView   Effect   Source code /// CutOutClearView. h // CutOutMaskView // Created by YouXianMing on 16/7/8. // Copyright©2016 YouXianMing. all rights

A set view that can be rolled over and a set view that can be rolled over This demo adds the set view to the scroll view for slide. () 1. Create a view and define a set view and a rolling View 1 # import "ViewController. h "2 # import"

[Code Note] first select the city, then jump to Tabbar, select the city tabbar I ,.       2. Engineering Drawing. 3. Code. ChooseCityViewController. h #import @interface ChooseCityViewController : UIViewController{ NSMutableArray * dataArray;

Description: Properties and methods of the beiser curve (UIBezierPath ). UIBezierPath is mainly used to draw vector Graphics. It is an encapsulation of CGPathRef data type and path drawing attributes based on Core Graphics. Therefore, CGContextRef

Clear useless pictures in the iOS project to reduce the size of ipa, After many people go through the project, there will often be a lot of garbage, resulting in a large size of the packaged ipa file, sometimes we will clean up the code to slim

Decimal to binary, decimal to binary Int main (int argc, char * argv []) { @ Autoreleasepool { NSMutableArray * result = [NSMutableArray new]; int number = 160; while (number! = 0) {/*** operator */if (number = 0) {break ;} else {/*** even number

Solve NSTimer Memory leakage problem, nstimer Leakage Creating a timer will execute some operations after a certain interval. Generally, you will create a timer in this way. In this way, self references the timer and the timer references the self,

Parse HTML to implement zhihu daily report Demo and parse html daily report demo Use Gallop to parse HTML and render it into the Demo of zhihu daily report implemented by the iOS native PAGE.Gallop v0.3.0Gallop --- a powerful and fast

There is no solution for automatically associating and completing the code.I found a lot of solutions on the Internet. Generally, the following solutions are used. After I tried them, I did not respond. I finally found the cause. The first method

Implement the animation effect of adding buttons on the home page of xianyu Let's take a look at it first:After clicking the Add button in the first figure, two buttons are displayed on the top with a spring-like effect (short time difference)   The

Easy to use to present a group of pictures (high imitation QQ/), a group of high imitation DEMO: http://www.code4app.com/thread-8612-1-1.html   Where can I use this framework? It is mainly used for social apps to present a group of images. The