What is Android?
Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies.
Android offers a unified approach to application development for mobile devices which means developers need to develop for only Android, and their applications should be able to run on different devices powered by Android.
Open Handset Alliance is a group of mobile and technology leaders who share this vision for changing the mobile experience for consumers …” An association of 80+ technology and mobile business companies.
History of Android
Android Inc. was founded in Palo Alto, California, in October 2003 by Andy Rubin, Rich Miner, Nick Sears, and Chris White. Rubin described the Android project as “tremendous potential in developing smarter mobile devices that are more aware of its owner’s location and preferences”.
Android Versions:
Android API Levels
| Platform Version | API Level | VERSION_Name |
| Android 11.0 | 30 | NoName |
| Android 10.0 | 29 | Android Q |
| Android 9.0 | 28 | Pie |
| Android 8.0 | 26 | Oreo |
| Android 7.0 | 24 | Nougat |
| Android 6.0 | 23 | MARSHMALLOW |
| Android 5.1 | 22 | LOLLIPOP_MR1 |
| Android 5.0 | 21 | LOLLIPOP |
| Android 4.4W | 20 | KITKAT_WATCH |
| Android 4.4 | 19 | KITKAT |
| Android 4.3 | 18 | JELLY_BEAN_MR2 |
| Android 4.2, 4.2.2 | 17 | JELLY_BEAN_MR1 |
| Android 4.1, 4.1.1 | 16 | JELLY_BEAN |
| Android 4.0.3, 4.0.4 | 15 | ICE_CREAM_SANDWICH_MR1 |
| Android 4.0, 4.0.1, 4.0.2 | 14 | ICE_CREAM_SANDWICH |
| Android 3.2 | 13 | HONEYCOMB_MR2 |
| Android 3.1.x | 12 | HONEYCOMB_MR1 |
| Android 3.0.x | 11 | HONEYCOMB |
| Android 2.3.4 , 2.3.3 | 10 | GINGERBREAD_MR1 |
| Android 2.3.2 , 2.3.1,2.3 | 9 | GINGERBREAD |
| Android 2.2.x | 8 | FROYO |
| Android 2.1.x | 7 | ECLAIR_MR1 |
| Android 2.0.1 | 6 | ECLAIR_0_1 |
| Android 2.0 | 5 | ECLAIR |
| Android 1.6 | 4 | DONUT |
| Android 1.5 | 3 | CUPCAKE |
| Android 1.1 | 2 | BASE_1_1 |
| Android 1.0 | 1 | BASE |
Why Android ?
- Features of Android OS
- Open source and freeware
- Advanced Hardware Integration
- Advanced Compact Software tools
- Easy device to device Communication
- Easy share and access to global information
- Call, SMS, MMS, Internet facility to single handset
- Common platform for all applications – Ex: PlayStore
- Advanced security features like fingerprint and face recognition
- Easy connectivity to other devices like CCTV and other Home appliances
- A large platform of office work, gaming and entertainment industry
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