AN INTRODUCTION TO MOBILE APPLICATION DEVELOPMENT

This Course looked into how and when mobile
application came into existence, and how they evolve
AN INTRODUCTION TO MOBILE
APPLICATION DEVELOPMENT

Module 4. APPERY.IO & VERIVO
Module 1. MOBILE DEVICES AND MOBILE OPERATING SYSTEM
Main Menu
Module 5. PhoneGap
Module 2. EVOLUTION OF MOBILE APPLICATION
Module 6. Build, Package & Distribute your App
Module 3. REQUIREMENT FOR THE DEVELOPMENT OF MOBILE
APPLICATION

Know the challenges posed by the design, development and
deployment of the mobile application and the provided solutions
Deploy your Mobile application
Develop the mobile application
Design your Mobile application
Create a prototype of your projected mobile
application
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04
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At the end of this course you should be able to:
Course Goal

Module 1
MOBILE DEVICES AND MOBILE OPERATING
SYSTEM
This module is subdivided into three unit:
Unit 1: Definition of Major terms
Unit 2: History and Evolution of Mobile Devices
Unit 3: Mobile Operating System

A mobile device is a handheld computer or smartphone
that is made for portability and is therefore both
compact and lightweight . Mobile devices typically have
a flat LCD or OLED screen, a touchscreen interface, and
digital or physical buttons. Examples of mobile devices
include smartphones, tablets, e-readers, portable music
players, smartwatches, and fitness trackers with smart
capabilities .
What is a Mobile Device

History and Evolution of Mobile Devices
• The early mobile phones are referred to as 0G mobile phones, which was created in the
1973 by Motorola.
• Years of addition to the development of mobile device before 2000 are 1926, 1946, 1956,
1969, 1973, 1982, 1985, 1987, 1992, 1996/97, 1998, 1999. some of this years recorded the
invention of new mobile devices while other recorded an improvement on the existing
devices.
• Years of addition from the 2000 gives rise to the development of emoji’s, Whatsapp and
all other features we can find in most smartphones today, the remarkable years are 2000,
2003, 2007, 2008, 2009, 2010, 2012, 2016, 2017

Mobile Operating System
A mobile operating system is software that allows smartphones, tablets, and other devices to run
applications and programs. It provides an interface between the device's hardware components
and its software functions Examples of mobile operating systems include:
DEVICES SYSTEM(OS) OPERATING SYSTEM
1. Android Phones AndroidOS
2. iPhones and iPads IOS
3. Blackberries Blackberry OS
4. Bada Samsung
5. Windows Phones Window Mobile
6. Symbian Phones(Nokia) Symbian

J2me
Palm OS
Psion EPOC
Symbian
Epoc, Palm Os, Wml and J2ME/JME are software that existed before the advent of the smartphones operating
systems
Existing Operating System before the Smartphones OS

The beginning of Smartphones Operating system
Smartphones are phones that offers features more than
receiving of calls, the provide platform for development
The first widely known Smartphones are the first phones that
uses the Symbian operating system: Erricson, Nokia and
Motorola.
The WebOS runs on the linus kernel, it’s a proprietary mobile OS
which was initially developed by palm, some smart TVs uses this
type of OS.
The blackberry OS was developed by RIM for blackberry phones
The windows phone succeeded the windows mobile and it was
launched
in 2010 as windows phone 7, it receives an upgrade in 2011 and
was launched in October 2012 as windows phone 8
Iphone operating system(IOS) was developed by Apple inc, and
distributed for iphones, ipod touch, IPad.
Android operating system is an open source OS developed by
google

Module 2
Evolution of Mobile Application
Unit 1: MOBILE APPLIICATION EXPLAINED
Unit 2: TYPES OF MOBILE APPLICATION
Unit 3: EVOLUTION OF MOBILE APPLICATION

• A mobile application is any
icon you can find on your
mobile screen
• Time, Calculator, Notebook,
Settings are examples of
gadget turned into apps for
mobile devices.
MOBILE APPLICATION

TYPES OF MOBILE APPLICATION
There are three basic types of mobile application: 1. Native apps 2. Hybrid apps
3. Web apps:
• Native apps are app that are develop for a single operating system. An application
developed for Android operating system can’t work on the Iphone operating system
while that which is develop for Iphone can’t work on android operating system.
• Hybrid apps are two way applications that possesses both the properties of web and
native application.
• Web application are applications that are run on browser they bookmarked through
installation by users, they also possess the characteristics of a native app.

This template will help structure the information. You can use it to create a dictionary
of terms used in the course.
Definitions
THE FIRST SMARTPHONE Before the invention of the popular Android and iphone’s, there exists a smartphone called IBM
Simon which was launched in 1994, this phone wasn’t called the smartphones when it was created, it
was called Simon Personal Communicator created more than 15 years before the invention of Apple,
it was the first phone to merge the function of a cell phone and a PDA.
THE SECOND SMARTPHONE In 2002 blackberry smartphone was launched which gives rise to a major accomplishment in
the field of mobile application development, this device was developed by Blackberry limited
also known as Research in motion, the research in motion are the ones that invent the concept
of wireless email.
THE THIRD SMARTPHONE The Symbian comes next after the evolution of the blackberry, the Symbian phones are
incorporated with the Symbian operating system thus they are called Symbian phones,
developed by Symbian Ltd, the operating system is said to have an omnipresent feature they
can run on 250 million devices.
THE FOURTH SMARTPHONE Then the android’s and iPhone's came with an official apps store called the Google Playstore and the
apple store. The apps are easier to access and our lives are much better.

Module 3
REQUIREMENT FOR MOBILE APPLICATION
DEVELOPMENT
Unit 1: PROGRAMMING LANGUAGE FOR MOBILE APPLICATION DEVELOPMENT
Unit 2: BECOMING A MOBILE APPLICATION DEVELOPER
Unit 2: DEVELOPING A PRODUCT REQUIREMENT DOCUMENT

HTML: known as the hypertext markup language, it is
actually a standard markup language for documents
designed to be displayed in a web browser, HTML is a
markup language that web browsers use to interpret and
compose text, images, and other material into visual or
audible web pages.
Html Versions Timeline
HTML 2 November 24, 1995
HTML 3 January 14, 1997
HTML 4 December 18, 1997
HTML 5 2014
Programming Language for Mobile application Development
HTML

Python is purely a high level programming language which
is use majorly for web and app development, it helps
developers in the translating of code much easier than
other language program and it also reduces the cost of
program maintenance and development.
PYTHON

Java are the programming language use to create
applications on what is generally know as java phones, it is
generally use to build small application module or applet
for use as part of a webpage.
JAVA

PHP is used to create dynamic websites, web application
and all types of mobile apps, it can be used to create GUI,
Create Facebook apps, content management systems,
creating PDFs, project management tools e.t.c .
PHP

This can be used to design and build amazing apps for
android, windows and iOS. It can develop cross-platform
mobile apps. It has a low-level memory manipulation
C++

Objective – C is also an object-oriented, general purpose
programming language, derived from C, this is the main
programming language used by Apple for iOS and OS X.
Objective – C is really easy and simple to use, uses
dynamic run-time, dynamic typing, and last but not the
least, one can use C++ and C while using Objective C
Objective-C

This is a high level programming language which support
object oriented and functional programming, Javascript
can only be used to develop mobile application when used
with CSS, HTML and AJAX , any app built by this
programming language can be code and released on all
platforms like like IOS, Android, windows e.t.c.
JAVASCRIPT

This is also called C sharp, it is the component and object
oriented. The multidimensional programming language is
developed by Microsoft. It can be used to build Server
applications, games, mobile apps to web services. The
programming language has completely been changed by
“Xamarin” platform. The xamirin is an app building too
that makes the C# uncomplicated for developers to build
apps for iOS and Android.
C#

Pearl here is the combination of the pearl 5 and 6, pearl is
also a multipurpose programing language as it can be
used to build a website, game application, app
development, bioinformatics, automation. (ProBytes, 2018)
PEARL

Rust is assembled programming language it Possess a lot
of features and it is also a multipurpose programming
language, it is incorporated in Mozilla and it is better than
the C and C++. Though the Language is still at its
developmental stage. (ProBytes, 2018
RUST

The Kotlin is a simple, easily understandable programing
language, its easy usage has attracted so many mobile
application developer, and it uses a native language.
Kotlin

Corona is a software development kit developed in 2009
by Corona labs Inc. this software has two operational
modes: Corona simulator and corona native. The corona
simulator allow you to develop app directly from Corona
simulator while Corona Native allows to integrate the LUA
code and assets with an Xcode or android studio.
CORONA

This is use for the design of user interface thus it is called
user interface markup language, it was originally
developed by Nokia, it is usually use to build 3D scene and
a very complex application. (Wikipedia, QML, 2010)
QML

BECOMING A MOBILE APPLICATION DEVELOPER
• Try a computer science degree (Specialized in mobile application coding)
• Choose one of the major platforms (android, IOs, Symbian)
• Use online development programs (W3schools, Andromo)
• Consider classes in marketing
• Develop your own app
• Come up with an idea for an app
• Focus on usability
• Hire the help you need
• Don't forget to test it for bugs
• Apply for internships
• Apply for Positions
• Use your experience
• Market and profitize your app

DEVELOPING A PRODUCT REQUIREMENT DOCUMENT
Mobile App Objectives and product mission
• focuses on the problem the mobile application is set to solve
• A vision statement defines a clear direction towards the end goal of the mobile app.
Create a list of features
The first version of your mobile app needs to offer a simple and intuitive user experience. This is a
process that requires you to define the product vision, objectives, and themes fully. Some Standard
features can include: • Sign-up and login • Onboarding • Splash screen • Navigation • Image galleries
• Forms • Social media integration • Social feeds • Product Menus • Shopping carts and payments •
Loyalty cards • Booking systems • Calendar integrations • Push Notifications • Native video • Native
maps • Device hardware access • App analysis • The list above is just part, it can be subject to
individual developer choices. (Armour, 2018)

Determine the following within the product/technical specifications for your mobile
app requirements document:
• What platforms will the app will you use (IOS, Android, or windows)
• What operating system versions should support it?
• What are your current services, servers, databases?
• What are your maintenance needs? Do you need to support it for the future?
• How long should the app function before an overhaul is needed?
• Do you have current API/services documentation?
• Do you have current Apple, Google, or other developer accounts/credentials?
• Do you have existing provisioning profiles?
• Are there other credentials that are needed or already exist (analytics systems,
or Platforms)? (Armour, 2018)
Product & Technical specifications

You have to identify the platform you want to create for at the initial stage. Either iOS
or android.
Your mobile app should meet the requirement of the app store you want to launch it
on. This can be found on the Apple store submission and Google Play submission.
Knowing this requirement at the early stage of development will help in the process of
submission at the final stage because on requirement will be made.
Choosing a platform and Submission

• Icons of supported sizes (iOS: @1x @2x @3x images | Android: mdpi, hdpi,
• xhdpi, xxhdpi)
• Splash screens of recommended sizes (iOS: @1x @2x @3x images | Android:
• mdpi, hdpi, xhdpi, xxhdpi)
• Screenshots in the correct dimensions and required languages
• App descriptions in required languages
• Search keywords in required languages
• List of supported devices and OS versions (Armour, 2018)
General Assets

• iTunes Connect Account access • Marketing URL
• Company/Entity Name • Privacy policy
• App Store app listing name • App category
• Search keywords • Copyright information
• Bundle id / SKU • Contact information
• Demo account for reviewers • App icon (1024×1024)
• Description • App Store distribution provision profile
• Support URL
• App Store distribution code signing identity
• Screenshots (correct sizes based on
devices) (Armour, 2018)
Apple App Store

EVOLUTION OF MOBILE APPLICATION
Before the invention of the popular Android and iphone’s, there exists a smartphone called IBM Simon
which was launched in 1994, this phone wasn’t called the smartphones when it was created, it was
called Simon Personal Communicator created more than 15 years before the invention of Apple, it was
the first phone to merge the function of a cell phone and a PDA.

Module 4
DEVELOPING MOBILE APPLICATION
UNIT 1: APPERI.IO
UNIT 2: INSTALL PHONEGAP
UNIT 3: INSTALL PHONEGAP MOBILE APP DEVELOPER

Appery.io
Appery.io is a low-code app development platform that makes it easy to create
hybrid mobile apps, web apps and PWAs. Appery is a cloud-based mobile app
builder which can be used to create apps for different operating system such as
University of Ilorin OER Project Android, IOS. You don’t have to install or
download the software because its cloud based, the appery features has a drag and
drop components to build the UI (Kroll, 2018)
How to build an app in 5 easy steps using Appery.io
1. Choose one of the available templates
2. Use drag & drop to design app UI
3. Connect database and services
4. Preview your app
5. Build a mobile app or deploy a web app

Cross platforms development
1. iOS and Android- With the App Builder, you can create mobile and responsive
apps that run on all major device platforms all from a single codebase.
2. Hybrid Apps- Create hybrid apps that behave like native but use common
APIs that run consistently across iOS, and Android devices.
3. Responsive Web Apps- It’s easy to build responsive web apps that will run
across all device types and screen sizes.

1. Download the latest Mac OS X Installer.
2. Double-click the downloaded file to run
the installer. You will initially be prompted
with a license agreement to accept:
INSTALL PHONEGAP
Mac OS X Installation

3. Drag and drop the application into the Applications
folder on your Mac as prompted:
INSTALL PHONEGAP

4. Next simply open the application and proceed to Step 2
where you will install the PhoneGap Developer App to
your mobile device for previewing the apps you build.
INSTALL PHONEGAP

1. Download the latest Windows installer. NOTE: If
you're unable to run the Windows Installer for
some reason, there's also a zip file available that
can be used to install PhoneGap Desktop
manually. Download the [zip file for the latest
release]
(https://github.com/phonegap/phonegap-
appdesktop/releases) and follow the
instructions in the README and INSTALL files
within the downloaded zip.
2. Double click the downloaded file to run the
installer. You will be prompted with the
PhoneGap Desktop Setup Wizard:
INSTALL PHONEGAP
Windows Installation

3. Accept the license agreement:
INSTALL PHONEGAP

4. Select the desired destination for the application and
click Next:
INSTALL PHONEGAP

5. Select the desired location for the shortcut and click
Next
INSTALL PHONEGAP

6. Click Install to begin the installation
INSTALL PHONEGAP

7. Click finish to close the Setup Wizard:
INSTALL PHONEGAP

8. Next simply open the application and proceed to next
step below where you will install the PhoneGap Developer
App to your mobile device for previewing the apps you
build
INSTALL PHONEGAP

1. Locate the free PhoneGap Developer app from one of
the following supported app marketplaces and install it to
your mobile device.
2. Once installed, tap the PhoneGap Developer app icon
from your home screen to open it
3. Once installed, move on to the next step where you will
create your first PhoneGap app using the tool you selected
in step 1.
INSTALL PHONEGAP MOBILE
APP DEVELOPER

1. Click the plus sign and select Create new PhoneGap
project as shown below:
2. You will be prompted with the template list dialog as
shown below, where you can choose to create an app
based on a sample project.
CREATE YOUR APP
Create a PhoneGap Project

The first template option in the list is the default Hello World
project. It's proven to be the quickest and easiest way to
understand the basics of building a mobile PhoneGap app so let's
start there.
1. Ensure the radio button next to the Hello World template is
selected
2. Click on the green Next button.
3. You will be presented with a screen to enter information
about your project.
CREATE YOUR APP
SELECTING A TEMPLATE

Choose the path on your local hard drive where you want
to create the project, a designated name and an optional
identifier. Once the information has been entered, click the
green Create project button
CREATE YOUR APP

You should now see a view like below,
with your new project shown and
marked with a left green border, a
green play button next to it and a
green bar at the bottom. You should
also see a server address indicating it's
running and the active project. Only
one project will be active and running
at any time
CREATE YOUR APP

You can leverage your desktop browser to preview and test yours apps first to speed up your initial development
process.
PREVIEW YOUR APP
Preview in a Desktop Browser

In the previous step we created a project and
ensured it was running by looking for the green
play button to be highlighted and a green bar
showing the server address it's running on at
the bottom of the PhoneGap Desktop.
The screenshot is shown again for reference.
Locate the specific server address for your
project before moving to the next step.
PREVIEW YOUR APP
Preview on a Device

Go to your mobile device where the
PhoneGap Developer App is running,
enter the server address on the main
screen and tap Connect.
PREVIEW YOUR APP
Preview on a Device

You should see the connection occur
followed by a success message as
shown in the image. If you receive an
error of any kind, ensure once again
that you are connected to the same
network on both your device and
computer.
PREVIEW YOUR APP
Preview on a Device

Once the PhoneGap Developer app
connects, it will load and display your
application as shown in the image
PREVIEW YOUR APP
Preview on a Device

AN INTRODUCTION TO MOBILE APPLICATION DEVELOPMENT

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