iPhone Tutorials

Directory Structure for iPhone Applications

  • 2010-09-05
  • Comments
  • Jonathan Zdziarski
  • 1475

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
  • 1473

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
  • 1474

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
  • 1474

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. its very good example explains what is an abstarct
View Tutorial          By: sandeep at 2012-01-06 07:13:29

2. I used the script above, and it seems to work exce
View Tutorial          By: Michael at 2012-05-15 20:50:49

3. i run above code in my netbean ide, i din't get ou
View Tutorial          By: manish sharma at 2013-04-03 05:28:40

4. When copying this code into my java IDE, should i
View Tutorial          By: Barabas at 2010-02-11 03:57:09

5. yes,it is a very nice example for abstract classe
View Tutorial          By: saranya at 2010-07-16 05:56:53

6. My Friend,

Thank you so much for ex

View Tutorial          By: Bikash at 2010-05-30 00:15:26

7. i want complete notes on java from basics
View Tutorial          By: spandana at 2010-02-12 04:44:13

8. Can you explain with increment and decrement opera
View Tutorial          By: Sathish Kumar at 2013-09-01 07:40:42

9. Hi Ashish, You just have to create an object of SM
View Tutorial          By: Ramlak at 2007-03-13 09:22:51

10. Thanks.. really helpful:)
View Tutorial          By: Dolly at 2012-07-09 14:24:30