iPhone Tutorials

Directory Structure for iPhone Applications

  • 2010-09-05
  • Comments
  • Jonathan Zdziarski
  • 161

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
  • 161

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
  • 161

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
  • 161

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. Managing several submissions can be a lot more sim
View Tutorial          By: Curran Cline at 2012-12-18 05:43:44

2. just what i needed to understand iterators, gj
View Tutorial          By: oak at 2009-04-20 15:46:39

3. Can you mail me the compiled files, Please. Thank
View Tutorial          By: raghav at 2010-09-14 21:23:17

4. I am looking for a J2ME programmer that can create
View Tutorial          By: Gary Wallis at 2007-10-14 15:35:00

5. Just read the first page, It really attractive. Le
View Tutorial          By: Md. Sumon Bappi at 2015-05-13 10:47:00

6. Hello! May I know where is the "main" fu
View Tutorial          By: Angelia at 2009-06-25 18:54:28

7. thanks man really very nice and helpful...........
View Tutorial          By: Bakhtawar khan at 2012-12-05 05:54:18

8. hey plzz help me the code is not working for me...
View Tutorial          By: kuldeep at 2014-02-24 18:16:59

9. What if the MIDlet has an sms push registry, but o
View Tutorial          By: indra at 2011-07-08 09:21:54

10. plz answr for questions about time out problem whl
View Tutorial          By: rrai at 2013-08-26 06:06:57