iPhone Tutorials

Directory Structure for iPhone Applications

  • 2010-09-05
  • Comments
  • Jonathan Zdziarski
  • 153235

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
  • 153181

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
  • 153208

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
  • 153197

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. thank you very much...
Explained in a simpl

View Tutorial          By: vineela at 2013-02-18 10:29:08

2. keep it up!
View Tutorial          By: kamran at 2010-04-13 07:01:26

3. j = 0;
while(--j)
{

View Tutorial          By: alistair at 2012-01-28 06:05:48

4. thanx.thats a useful material for the students, in
View Tutorial          By: MUHAMMAD ABUBAKAR YASEEN at 2010-10-28 04:19:00

5. Explanation was good and easily comprehendable.
View Tutorial          By: Moin Adil at 2009-06-17 04:18:56

6. i am newly in java. please send basic sample progr
View Tutorial          By: bhuvana at 2012-11-21 06:50:01

7. This works great.. :)

thanks a lot

View Tutorial          By: Ravi at 2010-07-03 23:34:46

8. frnds i want serial communication over beaglebone
View Tutorial          By: Rajneesh at 2015-04-12 11:23:16

9. some of the errors above e.g the jasper exception
View Tutorial          By: Robert at 2013-09-14 23:24:57

10. public void playSound(String filename) {

View Tutorial          By: Rowan at 2014-07-17 10:26:02