IOS

Paste a function to delete the local XML file. The file name is: ". weatherxml" Function firstProgramAnd then obtain the full path of the file. Then, call nsfilemanager: removeitematpath to delete the specified file. -(Void) Delweatherxml {

1. iPhone system features * Users can only interact with one application at a time. Only oneProgramStartup is running, and other programs can only run in the background. The background Running Mechanism greatly shortens the time required to restart

Although it is necessary to support genuine materials, it is not a small cost for the learning phase of $99. So I studied how to debug the certificate-free real machine. Of course, this 99-knife is still needed when the app is to be published to the

1. Enable local push and Set Properties Nsstring * STR = @ "locally pushed information"; uiapplication * APP = [uiapplication sharedapplication]; uilocalnotification * notification = [[uilocalnotification alloc] init]; // initialize the local

JSON serialization The nsjsonserialization class is added to iOS 5. JSON and foundation objects can be converted to each other. Let's take a look at the code example of an image: {"taken": "2011/07/13" "width": "3072", "height": "2304",

Http://blog.csdn.net/csj1987/article/details/6657468 The core location in IOS provides the positioning function to locate the current coordinates of the device and obtain the device movement information. Because the polling of the positioning device

Installing an app through OTA is a cool feature, especially when it is tested by a friend. I always wanted to sort out the files and found that many people have sorted them out.For example, IOS: Install app via OTA uses xcode4.3.This is also an

From: http://www.cocoachina.com/iphonedev/toolthain/2011/1118/3538.html I used asihttprequest, an open-source network library, to read proxy settings. So I found the method for reading proxy settings in the source code. I have extracted the Code:  

# Import # Import -(Void) sendeventhooked :( uievent *) event { // Do what you want to do here Nslog (@ "interception event: % @",[Eventdescription]); // Execute the original message passing process [Selfperformselector: @ selector

In the quhao app architecture, the backend server uses Java to provide WebService, while iOS and Android are mobile clients. During data interaction, the server returns data in JSON format. The JSON data parsing provided by the ios sdk is too

  A long time ago, I turned to a post on iOS using HTC weather animated perpagehtml to simulate the HTC weather clock: IPhone 4 implement HTC Sense clock animated weather: http://blog.csdn.net/davidhsing/article/details/6723878   I updated the

To create a small tool software requires root permissions. After countless attempts by Google, this problem is finally solved. The idea has been mentioned in many articles. First, install the application to the/applications directory. I package it

During iOS development, each person has a different developer Certificate/private key. The app can run on the iPhone only after the code is signed using this private key. The configuration file used in the project to determine which private key

There are currently two ways to send emails in IOS. You can use Openurl to open the IOS email app and use mfmailcomposeviewcontroller to bring up the email interface in the app to send emails. There are a lot of introductions to the two search

Basics: Introspection is the inherent capability of objects. When running a program, objects can reveal their basic features based on requests. You can send a message to an object to ask its own related questions. The object will provide you with an

To use the online debugging function of xcode, you must register it as an apple developer first, and then add 99 knives to the Apple IOS Developer Program. Google will find many links to join the apple IOS Developer Program. However, all these links

The Safari browser on iOS enables the web application to be displayed in full screen to achieve a display effect similar to that of a local application. However, this requires you to add the web application icon to the home screen. As a developer,

/* =--= Add data to the sqlite3 database ===--= * // 1. define a sqlite3 pointer sqlite3 * dB; // 2. the return value int dbrc for receiving successful read/write database operations; // 3. const char * dbfilepathutf8 = [dbfilepath utf8string]; // 4.

Logic: First create an nsurl address, send a request, and then call -(Void) connection :( nsurlconnection *) connection didreceivedata :( nsmutabledata*) Data Store the downloaded data to the nsdate object. After the download is complete, run -(Void)

The NSXMLParser of iOS SDK parses XML documents in the event-driven mode, that is, the XML Format documents are parsed In the SAX mode. When NSXMLParser encounters some elements (elements, attributes, CDATA blocks, comments, and so on) in the