Where to define macros in iPhone development/ Objective C

Macros in Iphone The simple way is take constant.h and write all macro there.we have .pch...

The iPhone Core Data Example Application

The iPhone Core Data Example Application The application developed in this chapter will...

Filter NSArray with NSPredicate with string contains

        NSPredicate *predicate;         NSArray...

What is the NSUserDefaults Class?

With the NSUserDefaults class, you can save settings and properties related to application...

Local Data Storage Options in iPhone Development

There are multiple options for storage of  data locally inside the app. 1. NSUserDefaults 2....

How a Background iOS Application Gets Resumed in Foreground?

When the user launches an application that currently resides in the background, the system...

Objective C Coding Style

There are lot of things are involved in our code like 1. Proper naming...