IOS

introduction of Selector (selector) A selector is a name used to select a method to execute for an object, or to replace the name of a unique identifier for that name when compiling the source code. A selector does not do anything by itself. It

Before, for the use of Uitextfield no specific research, sometimes always feel the limitations of use, in fact, some attributes before not know, today for Uitextfield do a summary. one, the border display 1, the system default border Uitextfield

1, allow remote events to be accepted [[UIApplication sharedapplication] beginreceivingremotecontrolevents];[Self becomefirstresponder]; This sentence is important, otherwise some devices do not respond -(BOOL) Canbecomefirstresponder { return YES; }

The project has a download file function, download needs to be able to view, can not be for each type of file to write a view function bar. The good news is that iOS has a uidocumentinteractioncontroller that can help you tune up the installed apps

A variety of operational events are encountered in iOS development and can be responded to by programs. First, when an event response occurs, you must know who is responding to the event. In iOS, the responder chain responds to events, all

function RealizationEnter the registration interface from the login interface to return to the login interface from the registration interface function Realization Idea Search on the internet found that you are using navigation, but the individual

Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init]; [Self Presentviewcontroller:picker animated:yes completion:nil]; Into Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init]; Appdelegate *delegate =

Recently engaged in the analysis of iOS crash log, summed up: The iphone development is going to be a non-stop version, followed by various versions of the crash log. If not properly managed, developers will soon be lost in the crash log and

A problem is found in iOS development. Sometimes when the input box is low, when the input is edited, the pop-up keyboard will block the input box, so that users cannot see the real-time input, make interface interaction extremely unfriendly.

The array is roughly an object in it, which is sorted by a field date in the object, and displayed on tableview Online Based on the date size. Code Array format: arry = [{Name: XXX, apply_date: 20121211}, {Name: XXX, apply_date: 20090815}, {Name:

Ultimate Solution to iOS push I have just created an application that uses the push function and encountered some problems. I am very depressed. After two days, I have figured it out. I would like to share it with you. This post focuses on some

SDK (V1.1) Description Bytes ---------------------------------------------------------------------------------------1. This SDK is a RTSP-based player developed for the iOS platform.2. Simple and Easy to use3. Related SDK usage and Development

It runs normally on the simulator, but it is pushed to the real machine. After the push, the screen is white when the push application is opened. After the white screen is pushed, the screen is minimized and then clicked to display it normally.

[IOS] Question about URL encoding in IOS The stringbyaddingpercentescapesusingencoding of nsstring can encode the URL parameter, but it is a small problem and will not encode all characters to be encoded. We can use the cfstringref The

This article uses hpple for HTML Parser. You can also choose to use the objective-c html Parser https://github.com/zootreeves/Objective-C-HMTL-Parser Or directly use the nsxmlparser

For iOS development, we need to specify the position where controls, text, images, and so on are displayed in the view, so we will inevitably deal with the following three structures. Cgpoint Cgsize Cgrect Note: These three are structures, not

I sorted out some minor issues during development over a month. Of course, there must be more problems, For example, some of the skills used by the category, some special characters in the Protocol format, Synchronous to Asynchronous Network

If we need to automatically update the version of the app, we need to obtain the version information of the current running program and the latest version released in the appstore. The version information of the currently running program, which can

Article reprint address: http://www.headsky.org /? P = 63 Ios4.0 added mfmessagecomposeviewcontRoroller and mfmessagecomposeviewcontRollerdelegate provides an interface for sending text messages. You do not need to jump out of a program to send text

1. Add the required library XXX. TTF to the project. Note that it must exist in copy bundle resources. If it is not added 2. Add fonts provided by application to the info. plist file. The default value is array. You can also use dictionary to add