IOS

iOS in the delegation and agreement is a very important piece, if the understanding is not very difficult to distinguish between the agreement and commissioned what is different, these things are often encountered in the development; A protocol is

We run the program, if the network speed is very slow, the query will always black screen, until the end of the request screen to appear, so the user experience is very bad. Therefore, synchronous requests are generally used only in a child thread

The ASIHTTPRequest framework is an excellent third party OBJECTIVE-C HTTP framework that supports HTTP development under Mac OS X and iOS. The technical Support website is http://allseeing-i.com/ASIHTTPRequest/. Has the following advantages:

We go through 3 phases from writing to publishing applications: running debugging on the emulator, running debugging on the device, and publishing the compiler, using the configuration profile for the purpose of preventing illegal devices and

1, Code Description: Person.h Person.h #import @interface Person:nsobject { Definition of int age,sex;//variable int height,width; } Definition of the @property int age,sex;//property @property char height; -(void)

WatchKit Application Architecture The WatchKit application is an executable file that runs in Apple Watch. It includes the resource files required to storyboard and render the screen. The WatchKit extension is the executable file that runs on the

Multithreaded programming is the best way to prevent the main thread from clogging, increasing the efficiency of running, and so on. But the original multithreading method has many problems, including the thread lock Deng. In cocoa, Apple provides a

　　The GIT process in iOS development The virtues of git are not to be mentioned by me, not by SVN. I used to drag files to work with other people when I was developing them. - -! I'm not going to say a few basic commands here, just to teach the

To address this issue, I think of two solutions: the first is to determine whether it has been initialized before performing these operations and, if not initialized, to use an array queue to store the operation parameters and the methods invoked,

At the beginning of the button event, it is possible to write a piece of code like this: if (Isexpand) { [Lblbrief Setnumberoflines:2]; Lblbrief.text = [Stringutil substring:strbrief andsublength:90]; [Btnbrief setimage:[uiimage imagenamed:@

#import "ViewController.h" @interface Viewcontroller (){UITableView *_table;Nsmutablearray *_datalist;UIView *footview;}@end @implementation Viewcontroller -(void) viewdidload{[Super Viewdidload];_table=[[uitableview

[TableView Reloaddata]; You can refresh the entire tableview data, but sometimes we may only change one or more rows of data, do not want to all over again, how to do? This is going to use the following method. -(void) Reloadrowsatindexpaths:

Actionsheet when with toolbar or Tabbar on the same page, there will be toolbar or Tabbar blocking button clicks on the Actionsheet, but the button on the Actionsheet can still display normally, But can't click. Instead of using Showinview, you can

2012-11-26 13:06:48.102 routeraddressdemo[451:907] Broadcast address--192.168.1.255 2012-11-26 13:06:48.108 routeraddressdemo[451:907] Local device ip--192.168.1.221 2012-11-26 13:06:48.111 routeraddressdemo[451:907] netmask--255.255.255.0 2012-11

-(void) Initcheckversionwithdata: (NSData *) data { NSData *xmldata = data; NSString *result = [[NSString alloc] Initwithdata:xmldata encoding:nsutf8stringencoding]; NSLog (@ "result:%@", result); Getcheckversion *parser = [[Getcheckversion

iOS itself does not have a System checkbox component, but it is often used in actual development, so specifically write a CheckBox control, directly on the code Effect Chart: UICheckBoxButton.h files are as follows: #import

A good application icon will not only give users a good first impression, but also can help users in the vast number of desktop icons, quickly discover your application. This article describes how to add an already-designed icon and a startup

: The cursor moves to the left of the first character of a word. Action: Press ESC first, release, and then press the B key : The cursor moves to the right end of a word. Operation: Ibid. : Moves the cursor to the beginning of the command line.

To share a personal photo album today, read load, slide through a lot of picture solutions, I want to emphasize that programming ideas are not about platform limitations. I'd like to elaborate on what happens in the short 1 seconds (and the next

The second beta version of IOS 6.1 has been released, and Apple mentions the new reset ad recognition code feature in the release log. This new feature, like the history of deleting browsers, allows your device to disappear from The Advertiser