IOS

IOS learning keyboard type: UIKeyboardType and iosuikeyboardtype The UITextField Keyboard can be customized, which is used in a code. There is a keyboardType attribute in UITextField. Its type is an enumerated value. below is the enumerated value

Differences between OC and Swift 3 (Condition Statement): ocswift Condition Statement 11. switch structure in swift Difference 1: The switch condition in oc can only be an integer. The switch condition in swift can be set to almost any data

IOS-NSAttributedString, nsattributedstring 1. Introduction to NSAttributeString NSAttributedString is a string with attributes. It can easily show different fonts, font sizes, and font sizes in a string, you can also format a paragraph. Ii.

IOS developer blog, ios developer blog   Dark_gmn blog http://blog.csdn.net/dark_gmn? Viewmode = contents Tel _ Xiaochao blog http://blog.csdn.net/qq_26544491? Viewmode = contents Youxianming's blog http://www.cnblogs.com/YouXianMing/tag/ Tang Qiao

Create an iOS learning controller and an ios Controller This blog is a summary blog, which summarizes various methods for creating controllers and some operations that require attention.1. Create a controller through storyboard As I mentioned in my

IOS development-UIDynamic (Physical Simulation) is simple to use, ios-uidynamic UIDynamic is a new technology introduced from IOS7 and is affiliated with the UIKit framework. We can think of it as a physical engine that can simulate and simulate

Feature source code (sector progress) and Delegate are used in open events, sector delegate 1: Slice progress view and Application First, create a slice view and input the progress value. #import @interface LHProgressView : UIView@property

Full customization of UITabBarViewController and mvcviewcontroller Custom UITabBarViewController   Effect     Source code TotalCustomTabBarController in https://github.com/YouXianMing/iOS-Project-Examples /// CustomTabBarViewController. h //

IOS 45: multimedia operations, ios45 multimedia1. Audio 1> brief introduction to audio implementation There are four methods for playing audio in iOS: System Sound Services) OpenAL (cross-platform open-source audio processing interface) Audio

CollectionView is so simple !, Collectionview The UICollectionView and UICollectionViewController classes are newly introduced APIS of iOS6. They are used to display the set view. The layout is more flexible and can implement multi-column layout.

Basic knowledge of IOS development-fragment 40, basic knowledge of ios-Fragment 1: Quick Error Reporting tips for Masonry self.statusLabel = [UILabel new];[self.contentView

Introduction to Block in iOS (1) Basics and introduction to iosblockI. Overview Block is a C-level syntax and runtime feature. Block is similar to a C function, but the flexibility of Block is reflected in the reference of stack memory and heap

[Code Note] scaling animation and code note Scaling I ,. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "telescopic Animation";} // click anywhere to bring up the

Summary of UIView layout: UIView Layout Summary: Layout UIView 1. Laying out Subviews (layout Subviews) The system provides three related APIs. - (void) layoutSubviews In IOS5.1 and earlier versions, the default implementation of this method does

Ios image stretching: ios image stretchingIos image stretching Methods UIImage * image = [UIImage imageNamed: @ "qq"]; First: // Width of the Left End Cover NSInteger leftCapWidth = image. size. width * 0.5f; // the height of the top cover

[IOS] custom clickable multi-text marquee YFRollingLabel and iosyfrollinglabel Requirement Only one message needs to be displayed in the project. If the length is appropriate, the message is not rolled. If the length is too long, the message is

Limit the input amount of UITextField (which can be the correct amount of decimal places), and uitextfield decimal places There are two methods to determine whether the input amount is the correct amount. One is to use a regular expression, and the

In Objective-C, several methods are used to declare a Block. objective-cblock 1. As a local variableReturnType (^ blockName) (parameterTypes) = ^ returnType (parameters ){...}; 2. As a class Property@ Property (nonatomic, copy, nullability)

Introduction to iOS-multithreading and ios-MultithreadingI. Preface I recently reviewed multiple threads in an interview, hoping to deepen my understanding of multiple threads.1. What is a process? 1) to understand the thread, we must first

Simple database design and use (FMDB), database design fmdb There is a need: m users share n files, one user may use multiple files, one file may be used by multiple users; if a user leaves, this user will no longer use any files. If a file is not