Ios qr code generation, ios
This blog will introduce the generation of QR codes.
Since there is nothing worth a long term, I will introduce the QR code through code implementation.
Part 1
The first part is the simple generation of QR codes.
Code
Ios qr code scanning and ios Scanning
This blog is a supplement to the previous blog, with less content.
Because the QR code scan needs to be tested on a real machine, it is too bad to do it.
Below is the code (a clear comment has been written in
Fixed BUG details in iOS development and bug details in ios development
In this blog, I will occasionally update some of my bugs in details and provide solutions. For more information, see.
1. tableHeaderView of tableView
Please note that I am
IOS video playback and ios video playback
This is a simple video playing framework based on UIView. It can be a small window or a full screen window.
Loading the Video framework in a simple way: loading a line of code! Update a line of code!
Upgrade iOS notification center! -You can set the priority to execute block and iosblock.
In brief, this is the requirement-driven discovery that the iOS icationicationcenter has many functions that cannot be implemented, so it is packaged in a
Breakpoint download and breakpoint
The demo is as follows:
Use NSURLSession for breakpoint download
1. Attributes
@ Interface ViewController () /** download task */@ property (nonatomic, strong) NSURLSessionDownloadTask * task;/** last download
Use third-party class libraries for carousel images and iOS class libraries for ios development
There are many third-party class libraries on github, which greatly saves everyone's development time.
:
IOS -- UICollectionView (rolling view) entry, uicollectionview Rolling
UICollectionView@ Interface UICollectionView: The UIScrollView UICollectionView and UICollectionViewController classes are newly introduced iOS6 APIs for displaying the set view.
Debugging of a real machine without a certificate on iOSPreface
After Xcode7, Apple developed permissions, and the real machine debugging no longer requires creating certificates. Of course, the absence of certificate creation does not mean that
Install and use Cocoapods in iOS Projects
1. First, open our terminal:
2. Enter this command in the terminal: gem sources-l
2.1 If the display is the same as that of me, the image has been added and does not need to be changed. If it is different,
IOS-setNeedsLayout and other layout Methods
List the related methods of iOS layout:
LayoutSubviewsLayoutIfNeededSetNeedsLayoutSetNeedsDisplayDrawRectSizeThatFitsSizeToFitGenerally, the above several items are commonly used. The specific items should
[Swift learning] Swift programming journey (2): swift learning programming journey
This section describes some basic knowledge.
Swift provides its own version types. The following describes several simple types.
Int integer, Double, float, String,
Talking about gestures and touch in iOS, talking about iOS gesture touch
I. response chain
Various operation events will be encountered in IOS development, and these events can be responded through the program.
First, when an event responds, you
IOS tips and tips
The following problems are all encountered by myself in the project. There are certainly many ways to solve the problem. What I list is not necessarily the best solution. If you have any questions, please let us know, add, and
Objective-C basic learning summary, objectivec Basics
1. (1) process orientation: an event-centric programming philosophy (2) Object-oriented: An Object-Oriented Programming philosophy 2. get and set are used to access and modify the attribute
Remote push for iOS development and ios development
Speaking of remote push, there should be a lot of use. Today, we will use the SEA-based cloud PUSH Service to make a small push demo to understand what remote push in iOS is like, first, you have
IOS-open-source project sharing in the menu animation View
A pop-up view similar to the Tumblr release buttonEasy to use:
Initialization:
@ Property (nonatomic, strong) XWMenuPopView * myMenuPopView;-(void) viewDidLoad {[super viewDidLoad]; // Add
GCD usage in iOS
What are the advantages and disadvantages of multithreading? Three queue types in GCD: The main queue (main thread serial queue) Global queue (Global concurrent queue) Custom queue (Custom queue) Group queue (queue Group) common
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