IOS

Ios screen, Status Bar (statusbar), program window size acquisition and screen rotation size changesApp size, remove the status bar CGRect r = [UIScreen mainScreen]. applicationFrame; this size will not change the width and height as the screen

Solve the problem that other applications cannot be opened in the App under IOS9, ios9app Open the info. plist file and add the following code under the root node. This is due to the new permission management mechanism of IOS9.  

IOS-capture application crash logs, ios-capture logsAs an iOS mobile app developer, to ensure that your app is correct, you must perform a lot of testing before submitting the app to the app store; in addition, the application program runs well

Swift-Regular Expression verification mobile phone number, swift-mobile phone number // Regular Expression for mobile phone number verification 1 func validateMobile (phoneNum: String) -> Bool {2 3 // the mobile phone number starts with 13 14 15 18

In iOS, DataBase SQL DataBase UI _ advancedStructured query Lauguage: Structured query Language1. create table if not exists Teacher (tea_id integer primary key autoincrement, tea_name text, tea_gender text, tea_age integer, tea_salary integer): 2.

Sharing of functional UI Technology in the editing status of UITableViewRowAction tableViewcell in iOS   * TableView: editActionsForRowAtIndexPath: // you can specify multiple buttons for sliding and deleting. * UITableViewRowAction // click this

Briefly describe how to create UIImage in OC ~~~, Ocuiimage 1. directly use imageNamed for Creation 1 UIImage * image = [UIImage imageNamed: @ "1.jpg"]; Briefly describe the advantages and disadvantages of this method: Advantage: a single line of

POST asynchronous request and iOSPOST asynchronous request in iOS POST asynchronous request (proxy) 1. Follow @interface ViewController () 2. The NSMutableData type reData attribute is used to splice data. @property (nonatomic,strong)NSMutableData *

IOS development diary 35-Xcode7 debugging magic, ios35-xcode7 Today, the blogger has a need to upgrade Xcode7 and encountered some difficulties. I would like to share with you the hope to make common progress.1. Address Sanitizer: no longer need to

IOS swift Lesson 1 Basic code, iosswift Lesson 1 Seeing these codes reminds me of the long-overdue C. Import Foundation Var str = "Hello World" Var sdd: Int Sdd = 100 Let stt = 1 Var sz = Int [] () Let sz1 = [1, 2, 3] Print (str)   The first

Core Animation-CABasicAnimation, cabasicanimation In iOS, graphics can be divided into the following layers: The higher the upper layer, the higher the encapsulation level, the simpler the animation implementation, but the lower the degree of

I haven't been so full for a long time, and I haven't been full for a long time. I don't know why I suddenly want to write something tonight, maybe because I haven't been so full for a long time. I have been learning iOS for several days. It took

Objective-C (iOS) is strictly implemented in the singleton mode. objective-cios Note: the ownership of this article is owned by the author. For more information, see the source. If you want to have only one class object in an application, you can

IOS --- common block usage The block in Objective-C has multiple definitions and usage methods.As property @property (nonatomic, copy) int (^myBlock)(int a, int b); Block Code body: _myBlock = ^int (int a, int b) { return a + b;}; Usage: sum =

Build an IOS development environment in Windows (1) and build an ios Original article: http://blog.csdn.net/shangyuan21/article/details/18153605   We all know that Mac is required for developing mobile applications on ios platforms such as iPhone,

A series of methods such as the touch event touchBegin in the VIew, viewtouchbegin   5. Touch event touchBegin and other methods   1) press your finger -(Void) touchesBegan :( NSSet *) touches withEvent :( UIEvent *) event; 2) Press and move -

Search and filter in TableVIew: predicate and tableview Predicate Search in TableView to filter out the content you need. The predicate in iOS is NSPredicate. the predicate function really misses the query statement in the database, that is,

Miscellaneous --- irregular updates, miscellaneous --- irregular 1. data source is also a Special delegate. data source is responsible for transmitting data to views such as data, at, and count, while delegate is responsible for handling View did,

Network start --- multithreading --- thread security (understanding) (4), --- Multithreading 1 // 2/** 3 * pay attention to thread 4 1. do not enable too many threads at the same time. (1-3 threads can be used. A maximum of 5 threads can be used.)

What does copy mean? 1) For non-container objects such as NSString and NSNumber NSString * str1 = @ "abc ";NSString * str2 = [str1 copy]; // The address is the same as that of Str1.NSString * str3 = [str1 mutableCopy]; // The address is different