Introduction To Mobile App Development
What is a Smart Phone ?
A smart phone is an electronic device packed with many other features with making a call. A smart phone is a mobile phone with an operating system. A smart phone typically combine the features of a cell phone and other popular mobile devices, such as personal digital assistant (PDA), media player, GPS navigation unit and more. Smart phones have access to the internet. Many of them have WiFi facilities while others can use data packs. They can run third party software/apps like music players, games, etc. Smart phones manufactured after 2012 have sensors like proximity sensor, accelerometer, light sensor and more.
According to USA TODAY, in 2014, sales of smartphones worldwide topped 1.2 billion, which was up 28% from 2013.
What is an Operating System ?
An operating system is a software package that connects the user to the hardware i.e the system. According to Wikipedia,
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of thesystem software in a computer system.
Many OS have been published for computers but an OS for a phone was a revolution in the history of Technology. In 2007, Apple Inc. introduced the iPhone, one of the first smartphones to use a multi-touch interface.
In 2008, the release of the first phone to use Android OS called the HTC Dream (also known as the T-Mobile G1) was launched. Android is an open-source platform founded by Andy Rubinand now owned by Google.
These new platforms led to the decline of earlier ones. Microsoft made a come back with a new OS called Windows Phone. Windows Phone then became the third-most-popular OS.
The Android OS
Android is an open-source platform founded in October 2003 by Andy Rubin and backed by Google, along with major hardware and software developers (such as Intel, HTC, ARM, Motorola and Samsung) that form the Open Handset Alliance. In October 2008, HTC released the HTC Dream, the e execution of native applications and third-party apps which are available via Google Play, which launched in October 2008 as Android Market. By 2010, Android became the best-selling smartphone platform.
The IOS
IOS is a mobile operating system developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that powers the company's iDevices. In 2007, Apple introduced the iPhone, the first device to use iOS and one of the first smartphones to use a multi-touch interface. The iPhone was notable for its use of a large touchscreen for direct finger input as its main means of interaction, instead of a stylus, keyboard, or keypad as typical for smartphones at the time. In 2008, Apple introduced the App Store, which allowed any iPhone to install third-party native applications. Featuring over 500 applications at launch, the App Store eventually achieved 1 billion downloads in the first year, and 75 billion by mid-2014. In January 2015, Apple announced that they have now sold one billion iOS devices.
The Windows Phone
In 2010, Microsoft unveiled Windows Phone 7 with a User Interface inspired by Microsoft's "Metro Design Language", to replace Windows Mobile. Windows Phone 7 integrates with Microsoft services such as Microsoft SkyDrive, Office, Xbox and Bing, as well as non-Microsoft services such as Facebook, Twitter and Google accounts. This software platform runs the Microsoft Mobile smartphones, and has received some positive reception from the technology press and been praised for its uniqueness and differentiation. In 2012, Microsoft released Windows Phone 8, replacing its previously Windows CE-based architecture with one based on the Windows NT kernel with many components shared with Windows 8, allowing applications to be ported between the two platforms.
Source :
Wikipedia
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