Android has two release versions listed as:
1. Android non-commercial release.
2. Android commercial release.
1.2.1. Non commercial Releases
- Android alpha: These versions were internally released. Fancy robot names were given to these versions like Astro Boy, R2-D2, etc. Irina Blok designed current logo. Naming scheme was introduced by Ryan Gibson after Android 1.5.
- Android beta: This was released in November, 2007. Android’s birthday is celebrated on 5th Nov, 2007.
1.2.2. Commercial Version Releases
Different Android commercial versions were released and each release had a particular Application Programming Interface (API) level. API is the middleman between operating system and developers. They are a set of tools and resources which developer should know how to use. Need not worry about why and what it is. (Images are snapshots of emulators drawn from various sources)
TABLE - COMMERCIAL RELEASES OF ANDROID
Web browser, camera support, Google contacts, Google calendar, Gmail synchronization, Media Player, YouTube video player, Google search, Voice Dialer, Wi-Fi and Bluetooth support, Google Maps, etc
Ability to show/hide dialer pad, attachments can be attached with text messages, tc.
Copy-paste features in web browsers, auto rotation, uploading videos on You Tube,etc.
Speedy search and camera applications, more than one photo can be deleted, text-to-speech engine i.e. device can speak what to type it to say, speedier web search, bookmarks can be added, CDMA/EVDO technology were supported, VPN support was added, gallery was integrated, etc.
Enhanced Camera support like Flash support, zoom etc were added, Browser with user interface and HTML5 was integrated, Google maps was improved, live wallpaper was supported, hardware was optimized and user interface was more sophisticated and more beautiful, saved SMS and MMS could be browsed, after a defined limit older messages were automatically deleted, multiple e-mail accounts could be automatically synchronized, etc.
In later releases bugs were fixed, small changes were done in API etc.
Frozen Yoghurt (Froyo)
Push notifications were supported, Wi-Fi hotspot functionality was added, Bluetooth enhancements like car speaker was added, chrome’s V 8 engine was integrated, alpha numeric passwords were supported, shortcuts for launching applications were improved, speed of other applications were improved, USB synchronization, etc.
Bugs were fixed in later releases, etc.
User interface was updated, User interface was more simple and support for larger screen resolutions were added, multiple cameras on device were supported, new download manager was added, power management was better, internet calls were supported, etc
Bugs were fixed with small improvements, etc.
Software of camera was enhanced, Gmail was improved, video and voice chat was supported and improved, Google wallet support was added, encryption was default to SSL (Secure Socket layer) network performance was enhanced, battery power efficiency was improved, bugs were fixed with each release, etc.
Multiple tabs for browser were supported, action bar was added, clipped data like url or text can be copied and pasted with ease, user interface supported drag-drop feature, hardware for graphics was accelerated, Status bar notification was added,
It included USB API(S) i.e., connected peripherals can be managed more easily, widgets can be resized easily, User interface was improved, Wi-Fi became more manageable, etc.
Display support was improved, hardware features were strengthened like optimization of platform for different tablet computers, synchronization was better, etc.
Later releases included soe features like Flash support, bugs were fixed, security was enhanced, data connectivity was improved etc
Ice Cream Sandwich
Applications were accessible from home screen, copy and paste functionality was improved, real time voice dictation was added, better near field communication feature was supported, built –in photo editor was provided, possible to zoom while recording video , face unlock support, “Holo ” interface with roboto font family, launcher was customizable, etc .
Later releases fixed bugs,
Ice Cream Sandwich
Bluetooth, graphics, spell checking and databases were improved, many bugs were fixed, camera with QVGA resolution was added, content readers were provided with fast access, etc.
Screen rotation was smoothened, stability was improved, performance of camera was improved, etc.
Notifications were expandable, Google + photos support, camera application was improved, voice search was improved, notifications could be managed specific to application, etc.
Later releases fixed bugs with performance enhancements, one touch gesture was improved for widening and collapsing notifications, etc.
Wireless display was supported, new clock application was introduced which included a stop watch, timer and world clock, group messaging support, lock screen improved, etc,
Bugs were fixed, wireless charging and low battery were given new sound alerts, download notifications were improved, etc.
Performance of Bluetooth enhancements were improved, OpenGL ES 3.0 improved the gaming experience, right – to – left languages were supported now, different natural languages added, camera user interface was polished again, etc.
Later releases fixed bugs, etc.
Latest release while writing this article. Wireless print support, devices can emulate NFC now, screen recording is built-in capability now, third-party apps are not allowed to check battery status, Bluetooth message access profile (MAP) is supported, user interface is refreshed again with improved looks, etc.
Bugs were fixed with few security enhancements, etc.