iPhone Tutorials

Directory Structure for iPhone Applications

  • 2010-09-05
  • Comments
  • Jonathan Zdziarski
  • 664

Apple came up with an elegant way to contain applications in their operating system. As OS X is a Unix-based platform, Apple wanted to make it adhere to basic Unix file conventions, and so the resource forks of olde were no longer sufficient (or efficient, for that matter). The challenge was to design a structure that would allow an application to remain self-contained while surviving on a file system that didn't believe in cheapening its architecture with proprietary workarounds. The answer came from an older ancestor of Mac OS X named NeXT, which treated an application as a bundle represented within a directory. The bundle concept introduces an approach to group application resources, binaries, and other related files.
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Multitasking in iPhone 4 - iOS 4

  • 2010-08-26
  • Comments
  • Brad Lee
  • 662

iOS 4 delivers seven new multitasking services that allow your apps to perform tasks in the background while preserving battery life and performance. These multitasking services include:
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Making an HTTP Connection in iPhone Application

  • 2010-09-06
  • Comments
  • Jonathan Zdziarski
  • 663

You can use the CFHTTP API to create an HTTP request. This allows you to easily invoke HTTP GET, HEAD, PUT, POST, and most other standard requests. Creating a request involves the three-step process of creating the request object, defining the HTTP request message and headers, and serializing the message into raw protocol. Only HTTP POST requests generally contain a message body, which can contain POST form data to send. All other requests use an empty body while embedding the request parameters into the headers.
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Making an FTP Connection in iPhone Application

  • 2010-09-06
  • Comments
  • Jonathan Zdziarski
  • 662

The CFFTP API is similar to the CFHTTP API, and relies on read streams to transmit FTP data. To create an FTP request, use the CFReadStreamCreateWithFTPURL function, as shown below. This will create the initial read stream to the FTP server:
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Making an HTTP Connection in iPhone Application

Making an FTP Connection in iPhone Application

Directory Structure for iPhone Applications

Multitasking in iPhone 4 - iOS 4

Archived Comments

1. Thanks For This Explanatory Tutorial .
View Tutorial          By: Pralay at 2013-06-15 03:50:26

2. Hi you will run this program just as you run any o
View Tutorial          By: Steven at 2008-10-14 09:03:28

3. May be someone would find this useful.


View Tutorial          By: Vsk at 2010-02-22 00:48:42

4. Very good
View Tutorial          By: take at 2010-03-29 07:47:01

5. thats good. but not for the begineers. because in
View Tutorial          By: jaywant topno at 2009-10-31 10:05:43

6. good Article!! you can add context settings in app
View Tutorial          By: Amit Nigam at 2009-06-10 07:35:20

7. thanks for this example but i want the whether th
View Tutorial          By: Rupesh Chavan at 2010-03-14 07:36:31

8. Lots of thanks for this example
View Tutorial          By: Santosh at 2011-06-28 16:42:25

9. worked for me thanks.
View Tutorial          By: dem125 at 2010-08-03 23:30:32

10. can u pls tell me how to retrive data from databas
View Tutorial          By: yogesg desai at 2010-05-27 08:26:24