Community app for promoting cross-cultural interaction with facebook, Gtalk and multiple social networking sites integration. It includes blogging and photo sharing

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Case Study
Community App for Promoting Cross-Cultural
Interaction

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Client believes that cross-cultural interaction positively impacts the world. Out of this belief, he
wanted an iOS-based application that would help people from various cultural beliefs to connect
with each other and share cultural information such as details about events, venues, professionals
and its significance. This application seamlessly integrates with popular social networking sites such
as Facebook.
It includes features ranging from basic social networking, blogging to EVPro (Event, Venues and
Professionals) creation.
Further, client expected the following:
 One-click access to Facebook Chat.
 Seamless integration with various chat tools such as Gtalk and the application’s own chat tool.
 Streaming Radio.
 Blogging, Reviewing, Commenting, Feedback etc.
 Quick contact to business via. GSM calling features.
 Adding reminders for events.
 Connecting to emails to connect with members for advice or exchange of information.
 Application’s ability to link mobile for receiving payments.
 Ability to fetch geo-location and send push notification.
 Adding multiple photos.
 Continuous availability via. application log-in and advanced remembering features.
The website version of this application is enormous exhibiting multiple functional modules. Client
expected all these modules which formed an enormous structure of the website to be seamlessly
integrated into an iPad and iPhone application.
Client Requirement
Project Challenges
Team faced the following challenges:
 Replicating the massive website structure to an iOS-based application has been the
biggest challenge in the project. We had to incorporate all modules while eliminating
the risks pertaining to system crash, memory leak etc.
 Constant synchronization between web and mobile app without affecting the
performance was a challenge.
 Harmonizing the simultaneous execution of various integrated features and options
while maintaining consistency.
 Load balance and smooth performance.
 Configuring application to send mails from various modules.
 To display each field and record available on the users’ web account on our mobile
application.
 Continuous communication with user’s social network authentication.

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Technologies Used
Manpower
Planning
The following development approach was adopted to equip the site with numerous
features and functionality mentioned below:
 Introduces high level of server and data fetching technology.
 Research and analysis has been scheduled to get the actual level of output of data which is
in a form of different verticals and business logics.
 Development – High Level Coding Standards has been followed for managing backup data
volume simultaneously synchronization with server for recent updates.
 Precisely need to concentrate in sync with existing and newly available data for backup
with our database for result to get generated.
 The User Interface Layer which forms the Graphical User Interface of the website.
Operating System &
Server Management
iOS, Multi-Server Architecture with Staging & Production Environment
through Version Controlling releases, Server Optimization, Security &
SSL Implementation, Scheduler for Back-ups, Alert Monitoring System
Integration, Server Performance Tuning at regular intervals, Software
Firewall Configuration & Maintenance
Development Tools &
Environments
Xcode 4.2.1, SQLite Framework, iOS SDK 5.0, Objective C, Core Data
Framework etc.
Database MYSQL Database Server, DB Clustering, DB Optimization, Master
Slave Replication, Query Optimization, Scheduler for Backups
Project Leader 1
Developers 2
Designers 1
Quality Assurance Testers 1

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Architecture
 Application Life Cycle
The application life cycle constitutes the sequence of events that occurs between the launch and
termination of your application. In iPhone/iPad OS, the user launches the application by tapping
its icon on the Home screen. Shortly after the tap occurs, the system displays some transitional
graphics and proceeds to launch your application by calling its main function. From this point on,
the bulk of the initialization work is handed over to UI Kit which loads the application’s user
interface and readies its event loop. During the event loop, UI Kit coordinates the delivery of
events to your custom objects and responds to commands issued by your application. When the
user performs an action that would cause your application to quit, UI Kit notifies your application
and begins the termination process.
The following figure depicts the simplified life cycle of an iPhone application. This diagram shows
the sequence of events that occur from the time the application starts up to the time it quits. At
initialization and termination, UI Kit sends specific messages to the application’s delegate object
to let it know what is happening. During the event loop, UI Kit dispatches events to your
application’s custom event handlers.
Figure: Application life cycle
 Event Handling Cycle
After the UI Application main function initializes the application. It starts the infrastructure needed to
manage the application’s event and drawing cycle which is depicted in the following figure. As the user
interacts with a device, iPhone/iPad OS detects touch events and places them in the application’s event
queue. The event-handling infrastructure of the UI Application object takes each event off the top of this
queue and delivers it to the object that best suited to handle it. For example, a touch event occurring in a
button would be delivered to the corresponding button object. Events can also be delivered to controller
objects and other objects indirectly responsible for handling touch events in the application.

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Figure: The event and drawing cycle
In the iPhone OS Multi-Touch event model, touch data is encapsulated in a single event object
(UI Event). To track individual touches, the event object contains touch objects (UI Touch) one
for each finger that is touching the screen. As the user places fingers on the screen, moves them
around and finally removes them from the screen, the system reports the changes for each finger
in the corresponding touch object.
When it launches an application, the system creates both a process and a single thread for that
application. This initial thread becomes the application’s main thread and is where the UI
Application object sets up the main run loop and configures the application’s event-handling
code. Figure shows the relationship of the event-handling code to the main run loop. Touch
events sent by the system are queued until they can be processed by the application’s main run
loop.
Figure: Processing events in the main run loop

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Development Highlights
This application for iPad is built around objective C and core data framework. The design for each
screen is implemented using the storyboard framework which is newly integrated for iOS 5.0.
This application was also made compatible to iOS SDK 5.1 at a later stage. Almost all the
modules are developed using foundation, core graphics and UI KIT frameworks. All the user
interface items are placed in view controllers that are linked with the controller files project along
with the outlets, actions of the UI element. Geo-fencing technology was used at different stages.
Integration of various 3rd party tools was required. The site was developed and fully functional
within a span of 5 months.