IOS

The first is the most common one-dimensional array: Defining a one-dimensional arrayNsarray *array1 = @[@ "0", @ "1", @ "2"];A member in an array based on the subscriptNSLog (@ "%@", array1[0]); Then the two-dimensional array: Defining

As we all know, UITableView is a very common UI, but sometimes we run into a uitableviewuitableviewdatasource protocol where Cellforrowatindexpath does not execute, possibly as follows: 1.tableView width or height is equal to 0; In this case

The following view (multiple-view sliding-click Switch) is useful in many apps. Using encapsulated view, external call to an API can be achieved, very convenient. Git code: Https://github.com/HelloYeah/HYTabbarView. Add a child controller

Sometimes it is necessary to judge whether the password for registration, login, or forgotten password will contain spaces.I encapsulated a method on my own that could be judged by the value of the bool returned. -(BOOL) IsEmpty: (NSString *) str

As we all know, UITableView's left-slip removal function is very cool, sometimes left-sliding features more than just delete one, sometimes there will be the other functions such as the top, this time we need to customize the left-slip -(nsarray*)

IOS10 Expected App Behaviors, ios10behaviors I encountered a problem when I mounted it to the appStore yesterday. The packages uploaded to itunesconnect after being built cannot be used, The error message is: this build version is invalid. Or

IOS ProtocolBuffer setup and demo, iosprotocolbuffer This time I set up the ProtocolBuffer compiler for iOS and encountered many problems when compiling *. proto Source files into *. pbobjc. h and *. pbobjc. m files! There was no problem when

. A static library architecture synthesis,. a static Architecture 1. If the architecture generated by the class library is inconsistent with the architecture of the corresponding device, an error will be reported. If the class library is used in the

Google electronics market 7-category, Google electronics market 7 --1. Object Encapsulation Public class CategoryInfo {public String name1; public String name2; public String name3; public String url1; public String url2; public String url3; public

Complete nav transparency in the navigation bar,Complete nav transparency in the navigation bar -(Void) added in viewDidLoad { Swift: Version // 1. Set the view background color // Self. view. backgroundColor = UIColor (white: 0.25, alpha: 1.0) // /

Automatic line feed of iOS UILabel, iosuilabel Ideas: Implementation: UILabel * label = [[UILabel alloc] init]; Label. text = @ "Hello, this is the test content of UILabel's automatic line feed test. It mainly implements automatic line feed for

HTTP errors that you must know When a network request fails to be sent, analyze the response line. In the response line, you will find that the response line consists of three parts, separated by spaces. HTTP/1.1 404 not found, the first is the HTTP

[Original] Quartz2D for iOS Learning (1), z2d for ios LearningWhat is Quartz2D? 1,Quartz 2DIs a two-dimensional Drawing Engine that supports both iOS and Mac systems. 2,Quartz 2DWhat can be done: Drawing: lines, triangles, rectangles, circles, and

IOS development: creates a real machine debugging certificate and description file IOS development: create a real machine debugging certificate and description file For iOS development, I have also learned from Tom and experienced various

In tableView of uiview, click cell to jump to another interface. 1. Override the uiviewcontrol method first. -(UIViewController *) viewController { For (UIView * next = [self superview]; next = next. superview ){ UIResponder * nextResponder = [next

I have summarized the following problems and solutions, hoping to help you adapt to the new operating system as soon as possible.1. Save the old informationIOS 8 has added a new information management mechanism, mainly because old information can be

1) first connect the Apple device to the computer, and then ensure that the itunes in the computer is the latest version, and then we open it, after the connection is successful, click back up now on the itules interface to back up the data.2) after

Yesterday, the latest version of Apple's iOS version Weibo was updated to V6.12.2, including the iPhone, iPad, and Apple Watch versions.This version adds the information flow function to quickly obtain rich information and video upgrades. The

TP-LINK wireless speaker waterfall 1, can be connected to the home wireless router, by any mobile phone, Pad, computer and other terminals in the same network through wireless push music, this provides you with high fidelity and high-quality sound