Must Read About Android


Android, currently the most popular mobile operating system in the world, is growing rapidly due to its Superb Features + Open Source licencing + Free-Ware Operating System. Android basically runs on Dalvik Virtual Machine – DVM ( Android Interface ) loaded on Linux kernel. Talking about Android Security, since it is developed based on Linux kernel 2.6 which provides high security, memory and process management, network stack and various drivers it is considered as secured OS. The adjoin fig. will make you clear about Android Structure.

About Android Structure



Main Features Of Android :

  •  Inbuilt web-browser based on open source Webkit engine.
  • Vivid & Optimized Graphics powered by OpenGL.
  • One of the best touch gestures.
  • Multi-tasking
  • Multi-language support
  • Connectivity with technologies like bluetooth, WiFi, Wimax, LTE, tethering (sharing internet with other device )
  • SQLite open source light weighted RDBMS
  • Media support for image, audio, video, live-streaming.
  • Hardware support for Accelerometer, Compass, GPS, Camera, proximity sensors, & several other sensors.



Lets know About Android History and Android Versions :

As An interesting aspect, most users mistakenly think that Android was developed by Google Inc. In fact, it was developed in 2003 by “Android” company based in California. However, in 2005 Google Inc. acquired it and started working on it.


About Android OS Versions

  • Android was first released on 23rd Sept. 2008 as Android 1.0 .
  • Version 1.1 (released in February 2009) just came with a few updates with no major changes. At this stage, Google had not started naming its Android releases after delicacies. The first two release of Android OS were anonymous, yet they are aliased as Alpha & Beta OS respectively.
  • In the month of April 2009, Google released Android 1.5 . This was the first major Android revision to get an official name by Google. With Cupcake, features like Integration of home screen widgets, support for folders on home screen, stereo Bluetooth support, copy/paste in web browser, video recording and playback became available.
  • In September 2009, DonutAndroid 1.6 came with major updates, one major spot-light of which was Google Maps. It also fixed OS reboot errors and enhanced the photo and video capabilities, updated Google Play (Android Market), Text-to-Speech engine.
  • Version 2.0 was released in October 2009, followed by 2.1 in January 2010 both of which were well-known as Eclair. It added functionalities like – allowing added capabilities for Bluetooth, multi-touch support and live wallpapers, Web browser supporting new UI and HTML5.
  • Android 2.2 – Froyo shortened from “Frozen Yoghurt”, was released in May 2010. It included improved OS speed, supported hi-definition screen resolutions and Adobe Flash 10.1, enabling users to stream videos via their mobile browsers. It also added support for Wi-Fi hotspot connectivity.
  • Ginger-Bread Android 2.3 made its debut in December 2010. The key feature that became available with this release was the much hyped ‘Near Field Communications’ (NFC) capability, allowing users to perform tasks such as mobile payments and data exchange through swiping their mobile phones over a tag. It also added support for enhanced soft Keyboard, COPY/PASTE function, front-rear camera and other sensors.
  • Homey Comb – Android 3.0 was released first in February 2011 and soon followed by the 3.1 and 3.2 revisions during the same year with improved multi-tasking, redesigned keyboard. By this version Google was optimizing support for tablets.
  • Ice-Cream Sandwich 4.0 better known as ICS was released in October 2011, this was a major overhaul to the Android UI, allowing enhanced contact menus, face Unlock and NFC capabilities. ICS released heading for a unified platform that was optimized to run on both tablets and phones i.e. it can be said as combination of both Ginger Bread + Honey Comb.
  • Jelly Bean – Android 4.1 was released in July, 2012. Jelly Bean further polished the Android UI. It had larger, rich, and actionable Notifications, offline voice dictation, streamlined UI, smart widget placement, OpenGL ES 3.0 , Bluetooth Smart Ready.
  • On 31 st Oct. 2013 Google had announced Android 4.4 named Kitkat. With this it brought improvements in Google Now, Voice Recognition, memory management, faster multi-tasking, smarter caller ID which identifies unknown incoming numbers.
  • People had several guesses for Android ‘L’ prior to 3rd November 2014, when Google released its one of the most superb OS, named as Lollipop – Android 5.0. It has more importantly far better GUI. The application-switching in task manager has added to its charm. Along-with this they have been working for improving battery life, interface of Notifications has been changed over the Lock-Screen, multiple user accounts, screen-pinning (suppose you have to give your device to someone to make a call & you are worrying that s/he might operate other apps or media, you can restrict their usage for that purpose only on temporary basis) etc. have been added.
  • Starting of 3rd Quarter in 2015 brought Marshmallow – Android 6.0 one of the best OS so far from point of view of security-permissions, by allowing apps to raise permission while their actual use, instead of demanding a bunch at installation. This will allow user to decide well whether to allow it or not. Google Now Home button became smarter which is more interactive & tailored precisely for individual user. Type-C USB interface, here you will be able to use your phone/tablet as a charger & will be able to charge another device from its power. Payment options made more securely by not exposing your payment details with the app directly & keeping all transaction specific details over secured cloud. Providing Thumb print security, Battery conservation – doze mode & much more.
  • On 22nd August 2016, a new flavor of Android OS came for users named as Nougat – Android 7.0. Strong Full device security was introduced with fast boot. Multi pane split screen is provided so that user can run 2 apps simultaneously over the screen at once. Bundling notifications per app in notification drawer, reply from notification bar added for responsive mails-messages. More battery saving with optimizing sleep mode of phone when idle called Doze mode. Native support for Virtual Reality was formally introduced. Installed apps will be classified as installed from Play store or manually side-loaded apps.
  • On 22nd August 2017 it was a Solar eclipse day, when Google decided to launch a new flavor of Android OS named as Oreo – Android 8.0. They introduced picture-in-picture (PIP) mode – a new form of multi tasking, also added support for extended display device for presentations. Introduced auto-fill of Text Box so no need to remember username-passwords for particular applications. New revision brought 2X boot up speed. For background running apps to conserve resources, things like location service has been optimized, same thing goes for device lock- that would be released of background apps. Limitation on Broadcast receivers. Apps would be allowed to categorize Notifications channel, and user would be having control to mute the channels of notification per app which is unwanted. New emoji’s to make your routine communication colorful. All in together, this release brings many new things for developers.

As a matter of fact 7 out of 10 mobile phones now-a-days are powered by Android Platform. Isn’t it amazing ? Do you want to begin Development in this booming trend ? Start with our first article on Configuring Android Environment Tools. We will guide you through our easy stepwise & detailed articles over NestedIF.



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