IOS

IOS-simple filter effect achieved through CPU In iOS, the principle of using the CPU to implement the filter effect is very simple. Convert the image into pixel data, calculate the corresponding filter effect for each pixel, and then obtain the

Ios development diary 12-CALayer and UIView, 12-calayeruiview Today, the blogger has a requirement to draw content and has encountered some difficulties. I would like to share with you the hope that we can make common progress. Today I will share

OC basics-Xcode template modification and document installation, oc-xcode Modify a project template A project template is an entry selected during project creation. Xcode generates a fixed-format project based on the selected entry.   How to modify

[Reading Notes] iOS-Precautions for writing code, and Reading Notes ios-   I. I am a strong supporter of early compilation and frequent compilation. Generally, after writing every method or code that is a little difficult, you must try to build it.

IOS provides a text box, buttons, view with dotted border, and ios dotted line How can I add a dotted border to the IOS view control or set it based on the control size? Application Scenario: the size of a text textField must be changed based on

Assertion failure in UITableViewCell layoutSublayersOfLayer solution, assertionfailure The iOS6 device encountered a problem when updating UITableViewCell. Assertion failure in-[UITableViewCell layoutSublayersOfLayer:],/SourceCache/UIKit/UIKit-2380

Network Data Synchronization request loading and Data Synchronization request Loading # Import "ViewController. h"@ Interface ViewController ()@ Property (nonatomic, weak) IBOutlet UIButton * button;@ Property (nonatomic, weak) IBOutlet UIImageView *

For IOS developers, there are several ways to hide the virtual keyboard in the blank space:Input boxes are often used in OS development. By default, the keyboard will pop up when you click the input box. However, you must implement the delegate

IOS UIWenView adjust page font sizeIOS UIWenView adjust page font size IOS UIWenView:  FontSizeChangeViewController. h   #import @interface FontSizeChangeViewController : UIViewController{ UIToolbar *toolBar;}@property (weak, nonatomic)

IOS calls the browser safariNote: Apple mobile phone testing (real machine testing) is required as follows)I. Two ways to make a call// Call method 1 (a prompt is displayed, indicating whether to call or not. This is recommended)   UIWebView *

CocoaPods, cocoapods Facilitate management of numerous third-party libraries (automatic configuration of relevant information) and provide dynamic updates (using Terminal Operations) Install tools first sudo gem install cocoapods Then we need to

Objective-C -- Block, objective-cblock In fact, the OC Block function is similar to the function pointer in C language and the closure in js. You can operate a code block as a variable with its own variables and scopes. Let's take a brief look at

IOS UI basics 03, iosui03 Plist File Root: What type of data is storedIf the root is an array, all items in the plist array will be read from the file in the future. Each item in the plist array represents the type of an element item in the

IOS Human Interface Guidelines (Original translation) Chapter 4 iosguidelines Start and Stop · Start now One saying is that people spend at most one or two minutes evaluating a new app. When you immediately present useful content to make full use of

IOS stage study 26th days note (UILabel Introduction), 26th days uilabel IOS Learning (UI) knowledge point sorting I. Introduction to UILabel1) concept: UILabel is a control inherited from UIView for displaying text information.2) All controls in

(1) OC advanced programming and oc Advanced ProgrammingDo Loop: Always do something until a condition is not trueContinue: Skip this loop and enter the next one, while break jumps out of the entire loop.Conditional operators: This figure means that

Objective-C basic core syntax-Summary, objective-c syntax I. Grammar nature "Point Syntax" is essentially "method call" When the dot syntax is used, the compiler automatically expands the corresponding method. 1 // call method 2 Student * stu = [

IOS countdown NSTimer There may be some countdown points in the project For example, when mobile phone verification is performed, the Verification Code generally has a time limit. At this time, a countdown is required for entering the verification

24th-day notes for IOS (Block Introduction) and 24th-day ios Knowledge points of IOS Learning (oc language) I. Introduction of Block 1) concept: block is a data type. It is similar to a function without a name in C language. It can receive

[Study Notes] [OC language] NSString, ocnsstring 1. Fast creation of stringsNSStirng * str = @ "Hello "; 2. Create using static methods 3. Use % @ to output the stringNSString * name = @ "dssf ";NSLog (@ "My name is % @", name ); 4. Code 1 # import