IOS

IOS code analysis of third-party authorized QQ logon and Sina Weibo authorized Logon The third-party APP login QQ and Sina Weibo authorization are implemented based on iOS, which clearly shows the differences and ease of use between the two sdks

IOS development-CGAffineTransformMakeRotation changed the central solution Poor Dad. It took two hours to solve the problem. Annoying .. When I wrote a clock demo today, CGAffineTransformMakeRotation was used for clockwise rotation. the rotation of

Target-Action in iOS Design PatternTarget-Action (Target-action) mode (aims to decouple the code, reduce the correlation between the code and the code, and facilitate future development and maintenance) Target-Action-a button used in this design

TabBarItem & NavigationBarItem, iostabbaritem for IOS development I think everyone has used it. How is page switching made? Next, we use storyboard and code to simulate the view control mode. "To do this, you must first sharpen the tool." The

General keyboard recycling code for IOS and keyboard recycling code for ios I feel tired of Using IOS keyboards, So I encapsulated a general method. -(IBAction)spbResignFirstResponder:(id)sender{ // NSLogObj(sender); if (sender == NULL ||

The first OC program, the first oc Import is an upgraded version of include. import can automatically prevent repeated inclusion. Therefore, you should note that import is used when introducing header files. Foundation is a framework, and

The first OC class and the first oc class The class only has three relationships: 1. Name (Class Name): the first letter is in upper case. If the name is composed of multiple words, the following words follow the hump principle. 2. attributes:

IOS-how to remove the UITextField long-pressed gesture menu and input content restrictions If this is used in the project today, you can use it directly when you do not know it. First, rewrite the UITextFiled subclass. copy the following method

Ios7 _ How to Implement UIAlertView and listen to click events (default style)1. In viewController's. the m file complies with the proxy Protocol @ interface moboViewController () 2. Implement the UIAlertView copy code 1-(void) in the-(void)

IOS Core Animation)Question 1: What is Core Animation )? • Core Animation is a very powerful Animation processing API that can be used to make brilliant Animation effects and often get twice the result with half the effort. to use it, you must first

IOS development-detailed description of UIActivityViewController This was used during the sharing yesterday. Write something to record. The UIActivityViewController class is a standard view controller. By using this controller, your applications

IOS image processing-image stitching Solution:Concatenate two images Prerequisites: You need to add the Framework: CoreGraphics. framework. Source code: -(UIImage *) combine :( UIImage *) leftImage :( UIImage *) rightImage {CGFloat width =

IOS UIWebView keyboard processing + ------------------------- + If you have the following questions, this article may help you.The keyboard hides the UIWebView. How to drag UIWebView to remove the keyboard. When the keyboard appears, Content in

IOS-dispatch_semaphore and NSOperationQueue concurrencyConcurrency: run multiple tasks at the same time. It is also called "colopicity", which refers to the ability to process multiple synchronous activities. Parallel: two concurrent tasks occur

IOS page Jump and Data Transmission IOS page Jump: First [Self. navigationController pushViewController: subTableViewController animated: YES];// Description: Jump to [self. navigationController popViewControllerAnimated: YES] Through

Using UIWebView for image and text mixing in IOS development At the beginning of the news and information project, I did not know that I could use UIWebView to achieve the effect of combining images and texts. So I used TableView to solve the news

Simple use and detailed description of IOS multithreading _ GCD // You can first look at the effect of this example to find a feeling, and then explain again @ InterfaceyxpGCDVController () { UIImageView * _ imageView; } @ End @ Implementation

Benefits of NSAttributedString after iOS6 @ NSMutableAttributedString must be imported before iOS6: CoreText. framework, but it is not required after iOS6. -(Void) testOfNSMutableAttributedStringAndNSAttributedString {/***-(void) addAttribute :(

IOS UITableView quick scrolling (index implementation)   Idea: If UITableView loads too much data at a time, it is required to slide the base multiple times. To quickly slide through indexes, add 20 null points to the index. When you slide to the

Analysis of iOS development & quot; secret & quot; Page effects of App content Recently I was playing "secret" and found that clicking the Cell on the main interface has a good page effect. I wrote a Demo to demonstrate it. Its main effect is to