Cocoapodsframework cannot be inherited when swift uses CocoaPods to import the third-party library's framework parent class to the subclass.

Cocoapodsframework cannot be inherited when swift uses CocoaPods to import the third-party library's framework parent class to the subclass. When I encountered such a problem in today's development project, I used cocoapods to import the

Value passing between iOS pages: One-case value passing, block Value passing, and iosblock

Value passing between iOS pages: One-case value passing, block Value passing, and iosblock There are a lot of values passed between ios pages. The front side has already shared the attribute transfer value and the proxy transfer value. Today we

IOS development-Core Bluetooth Development

IOS development-Core Bluetooth DevelopmentCore Bluetooth Core Bluetooth testing is troublesome. Normally, at least two real Bluetooth 4.0 devices are required. How can I enable the iOS simulator to test the Bluetooth 4.0 program?Buy a CSR Bluetooth 4

AFNetWorking simple usage, afnetworking

AFNetWorking simple usage, afnetworking // Network POSt requestAFHTTPRequestOperationManager * manager = [AFHTTPRequestOperationManager];// Set the format for receiving data[Manager. responseSerializer setAcceptableContentTypes: [NSSet

Analysis of iOS-instancetype

Analysis of iOS-instancetype OC is a rapidly developing language, such as ARC, object literals, subscripting, blocks, and Auto Synthesis. Let's see its amazing changes. Instancetype is a keyword provided by clang starting with clang3.5, indicating

First involved in Runtime (1), first involved in runtime

First involved in Runtime (1), first involved in runtime Objective-C is a dynamic language, and many things are determined by runtime. For example, the code first declares that testObject is an NSString, then creates an NSData Object, and saves the

Implementation of super simple drawer effect (MMDrawerController) in iOS

Implementation of super simple drawer effect (MMDrawerController) in iOS In ios development, display applications usually use drawer effects. As a result of project requirements, I found a demo to reduce some of the less commonly used functions and

Basic setter methods and basic setter Methods

Basic setter methods and basic setter Methods It is important that we observe MVC when writing code, especially when it comes to cell. For cell replication, you must write and use the model in the cell to manage the data so that the scalability is

IOS multi-thread NSThread and ios multi-thread nsthread

IOS multi-thread NSThread and ios multi-thread nsthread A running application is a process. By default, a main thread is enabled for a process, but operations in the main thread are serialized, that is, when multiple tasks need to be completed at

Breakpoint download, android breakpoint download

Breakpoint download, android breakpoint download 1 @ interface ViewController () 2 {3 // total file size 4 long _ total; 5 // The current download 6 long _ current; 7} 8 9 // file handle 10 @ property (nonatomic, strong) NSFileHandle * fileHandle; 1

NSPredicate predicate usage in IOS development, iosnspredicate Predicate

NSPredicate predicate usage in IOS development, iosnspredicate Predicate Programmers should have some knowledge about SQL statements, whether they have been in college or from training institutions, back-end or front-end. We know that, in SQL

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TextView text mixing, textview text

TextView text mixing, textview text -(Void) layoutSubviews {skContentView. backgroundColor = self. backgroundColor; skContentView. frame = self. bounds; attributes * string = [[NSMutableAttributedString alloc] initWithString: @ "123456789101112

Basic knowledge of IOS development-fragment 26, basic knowledge of ios-26

Basic knowledge of IOS development-fragment 26, basic knowledge of ios-26 1: UICollectionView scroll up and down if there is not enough data for one screen When there is not much data and collectionView. contentSize is smaller than collectionView.

Basic use of swift-UITableView, swift-uitableview

Basic use of swift-UITableView, swift-uitableview If you don't talk much about it, paste the code I wrote today: If you don't understand anything, you can send me an email. // // SingleInfo. swift personal information // Housekeeper // // Created by

Use AudioStreamer to quickly click the next or last button, and the audio will be resolved repeatedly ., Audiostreamer

Use AudioStreamer to quickly click the next or last button, and the audio will be resolved repeatedly ., Audiostreamer To solve this problem, I add a new attribute to the AudioStreamer. h file. @ Property (nonatomic, strong) NSURL * musicUrl; And a

IOS local persistent Storage

IOS local persistent StorageCurrently, there are many methods for local storage, which are commonly used in the following ways: 1. The temporary cache refers to the temporary cache. The temporary cache is generally used to manage the content that

Swift-basic use of notifications, swift-Use of notifications

Swift-basic use of notifications, swift-Use of notifications // Use of notifications 1. Send a notification. (Take this notification as an example. The notification name is nickNameNotification. The notification parameter is title)

Masonry for common third-party libraries in iOS

Masonry for common third-party libraries in iOSI. preface the layout of Apple has always been a tangled issue. Are you writing code to control the layout or using storyboard to control the layout? In the past, I used code to write constraints in my

IOS Internal Clock

IOS Internal Clock1. what is an internal clock? In our iOS development process, we often have to deal with time. [NSDate date] is a common method for getting time, however, the [NSDate date] method can only take the current time of the system. That

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