Xib dynamically changes the cell Row Height and xib dynamically changes the cell Row Height.

Xib dynamically changes the cell Row Height and xib dynamically changes the cell Row Height. The layout is as follows:   Three Controls in total, one Avatar, one background, and one message Now, when multiple lines of text are input, you want the

IOS reminds users to go to the settings page to re-authorize notification locating and other functions, ios notification

IOS reminds users to go to the settings page to re-authorize notification locating and other functions, ios notification The least unknown feature of iOS 8 and later versions is the deep link with application settings, you can authorize the location,

UI basic view ---- UIView summary, ui view ---- uiview

UI basic view ---- UIView summary, ui view ---- uiview UIView is the most basic view class in the UIKit framework. It is a subclass of UIResponder and a sibling class of UIApplication and UIViewController. It is the parent class of UIWindow, UILabel,

Comparison and summarization of several delayed execution methods in iOS, ios latency

Comparison and summarization of several delayed execution methods in iOS, ios latency This article lists four methods for delaying the execution of a function and their differences. If the latency is 1 second, execute the following method. -

Multithreading for iOS development-thread status and multithreading for ios development

Multithreading for iOS development-thread status and multithreading for ios development Multithreading for iOS development-thread status 1. Brief Introduction Thread creation: Self. thread = [[NSThread alloc] initWithTarget: self selector: @

Automatic Masonry layout and Masonry Layout

Automatic Masonry layout and Masonry Layout Masonry is a lightweight layout framework that uses better syntax to encapsulate automatic layout. It has its own layout DSL. It is concise, clear, highly readable, and supports both iOS and Max OS

[Code Note] upload an ID card number to return a birthday string and an ID card number string

[Code Note] upload an ID card number to return a birthday string and an ID card number string Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSString * birthDay = [self birthdayStrFromIdentityCard:

Listen to the keyboard to prevent the input from overwriting textfiled and listen to textfiled

Listen to the keyboard to prevent the input from overwriting textfiled and listen to textfiled [[Nsicationcenter center defacenter center] addObserver: self selector: @ selector (keyboardwasChange :) name: UIKeyboardWillChangeFrameNotification

Gradient navigation controller implementation, gradient navigation Controller

Gradient navigation controller implementation, gradient navigation Controller1. Ideas I recently launched many foreign apps, and I feel that the foreign APP animation is really amazing. Many domestic apps are imitation foreign apps. I especially

UIResponder introduction, uiresponder

UIResponder introduction, uiresponder This UIResponder class defines the object interfaces for responding to and processing events. It is a superclass (UIWindow) of UIView and UIApplication ). Instances of these classes are sometimes called response

The iOS Block interface reversely transmits values, and the iosblock interface reversely transmits values.

The iOS Block interface reversely transmits values, and the iosblock interface reversely transmits values.   In the previous blog "Introduction to iOS Block", I focused on analyzing the concept of iOS Block. This article will focus on their

[Code Note] drawer effect implementation, code note drawer

[Code Note] drawer effect implementation, code note drawer I ,.   2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "#

The iOS adaptation old project cannot be displayed normally under iOS9, iosios9

The iOS adaptation old project cannot be displayed normally under iOS9, iosios9 In iOS development, old projects, such as version upgrades and Demos, are often used, The iOS SDK is constantly upgraded, which brings new vigor to iOS development.

Simple implementation of waterfall stream and simple implementation of waterfall stream

Simple implementation of waterfall stream and simple implementation of waterfall stream In fact, the waterfall stream is to write the class UICollectionViewLayout as the style you need, so we must first inherit this class Override some methods in

UITouch details, uitouch

UITouch details, uitouch The UITouch object is used to position, size, motion, and the intensity of a specific event on the screen with a finger. The intensity of touch is available on devices that support 3D touch on iOS 9. You can use the UIEvent

IOS-design mode-lazy loading, ios-design mode loading

IOS-design mode-lazy loading, ios-design mode loadingI. Why do I need to load it lazily? A: the memory of the iPhone device is limited. If you load all the resources that will be used in the future at one time after the program starts, the memory of

Use of FMDB in iOS and iOSFMDB

Use of FMDB in iOS and iOSFMDB 1. In daily development, we need to use the offline cache to store data into the database and load data when there is no network. In IOS, we use the sqlite3 database, we can also use native SQL, but it is difficult to

IOS9 ReplayKit Video Recording

IOS9 ReplayKit Video Recording   IOS9 ReplayKit video recording, the api is very simple, the following is the code, Objective-C is similar, it will not be written. /// ReplayKitProxy. swift // ReplayKitDemo /// Created by LiuYanghui on 15/12/11. //

Activity indicator UIActivityIndicatorView, uiactivityindicator

Activity indicator UIActivityIndicatorView, uiactivityindicatorThe activity indicator UIActivityIndicatorView informs the user that an operation is in progress. 1. Create UIActivityIndicatorView * activityIndicatorView = [[UIActivityIndicatorView

IOS development-use MBProgressHUD to increase user experience

IOS development-use MBProgressHUD to increase user experience For a mobile client application, the user experience is very important. For example, if a long loading time causes the interface to die, MBProgressHUD can help you solve this problem.

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