MobApp 01- Mobile Application Development Platform (1).pptx

Mobile Application
Development

Mobile Application Development
cont…

What is meant by “Platform” in
computing?
• A computing platform is an environment in which a
piece of software
is executed.
• It may be the hardware or the operating
system (OS), even a
web
browser
interfaces, or
an
d
othe
r
associated application
programming underlying
software, as long as the
program code is executed with it.

Platform
• There are 3 basic Mobile Application Development
Platforms (for developing native apps) currently
dominating the market:
1. Android (java/
kotlin)
2. iOS (objective-c/
swift)
3. Windows
(.Net)
• There are mobile operating systems that can
compete hand-in-hand with Android and
Apple’s iOS:
• Sailfish OS
• Tizen Open-Source OS (customization is
possible)
• Ubuntu Touch
• KaiOS
• Plasma OS
• PostmarketOS
• PureOS
• LineageOS
• Symbian OS

Mobile Application Development Platform
cont…
• Besides these 3 platforms there are two more possibilities:
1. Native apps android, iOS, Windows, etc.
2. Hybrid apps for all platforms altogether with
Xamarin, React Native, Ionic, etc.
3. Web apps as responsive versions of websites to work on
any mobile device.

cont…
Native Apps
• Such apps are developed for a single mobile operating
system exclusively, therefore they are “native” for a
particular platform or device.
• An app built for systems like iOS, Android, Windows
Phone, Symbian, Blackberry can not be used on a platform
other than their own.
• In other words, you won’t be able to use the Android app on
your iPhone.

cont…
Native Apps
• The main advantage of native apps is a high
performance
and ensuring good user experience.
• Native applications are distinctly accessible from app
stores of their kind and have a clear tendency to reach
target customers.

cont…
Native Apps
• Some cons to native apps are higher cost compared to other
types of apps; due to the need of creating app duplicates
for other platforms, separate support, and maintenance for
different types of apps resulting in the bigger product price.

cont…
Hybrid Apps
• They are built using multi-platform web
technologies (for example HTML5, CSS, and
Javascript).
• So-called hybrid apps are mainly website
applications disguised in a native wrapper.
• Apps possess the usual pros and cons of both native and
web mobile applications.

cont…
Hybrid Apps
• Hybrid multi-platform apps are fast and relatively
easy to develop – a clear advantage.
• Asingle code base for all platforms
ensures low-cost maintenance and smooth
updates.
• Widely used APIs, like gyroscope,
accelerometer, geolocation are
available.

cont…
Hybrid Apps
• On the other hand, hybrid applications lack in
performance, speed, and overall optimization in
comparison to native apps for instance.
• Also, there are certain design issues due to the app's
inability to look exactly the same way on two or more
platforms.

cont…
Web Apps
• These are software applications that behave in a
fashion similar to native applications.
• Web apps use a browser to run and are
usually written in HTML5, JavaScript, CSS, etc.
• Web applications require a minimum of device memory,
as a rule.

cont…
Web Apps
• As all personal databases are saved on a server, users can
get accessfrom any device whenever there is an internet
connection.
• That is why the use of web apps with the poor
connection would result in a bad user experience.
• The drawback is access to not that many APIs for
developers, with exception of geolocation and few
others.

cont…
Android
• Android is an open source and Linux-based Operating
System for mobile devices such as smartphones and tablet.
• Android offers a unified approach to application
development for mobile devices which means developers
need only develop for Android, and their applications
should be able to run on different devices powered by
Android.

cont…
Android
• The first beta version of the Android Software Development
Kit (SDK) was released by Google in 2007 where as the first
commercial version, Android 1.0, was released in September
2008.
• Google publishes most of the code (open source) under
the
Apache License version 2.0.

cont…
Android Versions

Platform
cont… API Level
• API Level is an integer value that uniquely identifies
the framework API revision offered by a version of the
Android platform.

Platform
cont… iOS
• iOS is Apple’s mobile OS that runs on an iPhone, iPad, iPod Touch
hardware.
• Apple provides tools and resources for creating iOS apps and
accessories for these devices.
• As an iOS developer, you can program in native languages such
as Swift or Objective-C or build cross-platform native
applications using React Native (JavaScript) etc.

Platform
cont… iOS
• To develop iOS apps, you need a Mac computer running
the latest version of Xcode.
• Xcode is Apple’s IDE (Integrated Development Environment)
for both Mac and iOS apps.
• Xcode is the graphical interface you'll use to write iOS apps.

Platform
cont… iOS
• Xcode includes the iOS SDK, tools, compilers, and frameworks
you need specifically to design, develop, write code, and debug
an app for iOS.
• For native mobile app developmenton iOS, Apple suggests
using the modern (2014) Swift programming language (the
old one is objective C).
• Itis important to note that Xcode only runs on Mac OS X and

the only supported way to develop iOS
apps.

Platform
cont… iOS

MobApp 01- Mobile Application Development Platform (1).pptx

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MobApp 01- Mobile Application Development Platform (1).pptx