IOS

IOS ---------- do not enter Chinese characters. ios ---------- Note: ^. * [\ U4e00-\ u9fa5]. * $ whether Chinese characters are included^ [\ U4E00-\ u9FA5] + $ indicates whether all Chinese characters are supported   -(BOOL) textField :(

React Native mobile development practices-3-implement data transfer between pages, react-3- React Native uses props to transmit and communicate data between pages. In React Native, there are two ways to store and transmit data: props (attribute) and

[Code Note] iOS-Get now time (), ios-2015-09-11 I. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // NSDate * date = [NSDate new]; NSDateFormatter * dateFormatter =

IOS app slide back to right, iOS app slide back Prerequisites: There are two pages, A and B. A is the main interface and A is pushed to B. Method 1: If the return button of page B needs a Custom button (in iOS7, if UINavigationController is used,

Solve the Problem of ios Access camera crash, ios Access camera The ionic3 project on mac is packaged into an Apple app with the System Version 10.3.3. When the camera is called, a crash occurs. This is a debugging problem: This app has crashed

[Code Note] iOS-long label, ios-long label I ,. Ii. Code. ViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // prompt label UILabel * alertLabel = [[UILabel

[Code Note] iOS-long blue button, ios-long blue button I ,. Ii. Code. ViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // Add the device UIButton *

[Code note] the button click event on iOS-UITableView, Code. ViewController. h #import @interface ViewController : UIViewController{ UITableView *myTableView; NSArray *dataArr;}@end   ViewController. m #import "ViewController.h"#import

[Code notes] iOS-4 button that can be clicked separately, ios-4button I ,. 2. Engineering Drawing. 3. Code. ViewController. m # Import "ViewController. h "@ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad

OC version: Snake, oc snake Yesterday I wrote a js version of Snake. Today I suddenly want to write an OC version to compare the differences between the two languages. The oc feature is applicable to all iphone sizes and can be paused. You can set

Basic ios control and ios Control 1. UIButton The UIButton class is a subclass of UIControl, which implements buttons on the touch screen. When you touch a button to intercept events and action messages to the target object, it mines them. The set

[Code Note] iOS-MBProgressHUD + MJ, iosmbprogresshudmj I ,. 2. Engineering Drawing. 3. Code. ViewController. m # Import "ViewController. h "# import" MBProgressHUD + MJ. h "@ interface ViewController () @ end @ implementation ViewController-

[Code Note] iOS-FMDBDemo, note ios-fmdbdemo I ,. 2. Engineering Drawing. 3. Code. ViewController. h #import #import "FMDatabase.h"#import "FMDatabaseQueue.h"@interface ViewController : UIViewController{ FMDatabase *db; NSString

[Code Note] iOS-json File Usage, code note ios-json 1. Engineering Drawing. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. NSString * datapath = [[NSBundle mainBundle]

[Code Note] iOS-custom switch, ios-custom switch I ,. 2. Engineering Drawing. 3. Code. ViewController. h #import #import "CustomSwitch.h"@interface ViewController : UIViewController@property (nonatomic, strong) CustomSwitch * leftSwitch;@property (

IOS images and text show you deep copy and light copy, ios images and text copyI. Concepts and summary 1. Shallow copy Shallow copy refers to the replication of the memory address, so that the target object pointer and source object point to the

[Code Note] iOS-fonts scroll from right to left, notes ios-fonts scroll I ,. Ii. Code. ViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // The above scroll bar

[Code Note] iOS-only allows textField to use keyboard notifications, ios-textfield Code: # Import "ViewController. h "@ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad {[super viewDidLoad]; // Do any additional

[IOS dry goods]☞Socket, socket for iosI. Concepts Socket, also known as "Socket" Two programs on the network (for example, the client and the server) exchange data through a two-way communication connection. one end of the connection is called a

Openinstall and openinstall Introduction: I am recently Playing an iOS game. I am posting to ask if I have any good ideas if I want to automatically associate my friends during installation. In this post, I thought about this good SDK. Through it,