Use of NSNotificationCenter object to post and observe notification broadcasted within a program.

NSNotificationCenter is a class which helps to broadcast information within a program. Once the objects is register as a observer of a notification with a particular "notification_name' then every time the notification is posted with "notification_name" by any object, the active observer of that notification is notified. This simple post will show you how you can make use of NSNotificationCenter in your application.

Using InApps Email in your iOS application in Xcode

This post will show you how you can include in-apps email features in your iOS application. Apple has provided its developers with a framework called MessageUI.framework using which developers can include in-apps email features in their iOS applications.  This post will show how you can use this framework to send emails from your apps.

Rename the file in the NSDocumentDirectory in an iOS application

This post will show how to rename a file located in the NSDocumentDirectory in an iOS application

How to Load/Save a file from/to the NSDocumentDirectory in an iOS application

This post is about loading and saving a file from and to the NSDocumentDirectory in an iOS application

Validating the entered email-address/id

Many applications need to validate the email address entered by their users. This post will show how to validate the email address/id in Xcode without using any sort of library.

Adding UITabBarController in an application with UINavigationController for iOS without StoryBoard in Xcode

Some people are finding some difficulties to add UITabBarController to a UINavigation based application and since I, myself was in the same situation until I managed to find a solution after spending couple of time coding, I would like to share this to you.

Adding UINavigation to a Simple View iOS Application Programmatically in Xcode

Since there release of new Xcode, there is no option for creating navigation based application. This simple post will show you how to do it programmatically.