বৃহস্পতিবার, ৮ মার্চ, ২০১৮
1) What is Android?
Android is an open-source, linux-based operating system that is used in mobiles, tablets, televisions etc.
2) Who is the founder of Android?
Andy Rubin.
3) Explain the Android application Architecture.
Following is a list of components of Android application architecture:
- Services: Used to perform background functionalities.
- Intent: Used to perform the inter connection between activities and the data passing mechanism.
- Resource Externalization: strings and graphics.
- Notification: light, sound, icon, notification, dialog box and toast.
- Content Providers: It will share the data between applications.
4) What are the code names of android?
- Aestro
- Blender
- Cupcake
- Donut
- Eclair
- Froyo
- Gingerbread
- Honycomb
- Ice Cream Sandwitch
- Jelly Bean
- Kitkat
- Lollipop
- Marshmallow
5) What are the advantages of android?
Open-source: It means no licence, distribution and development fee.
Platform-independent: It supports windows, mac and linux platforms.
Supports various technologies: It supports camera, bluetooth, wifi, speech, EDGE etc. technologies.
Highly optimized Virtual Machine: Android uses highly optimized virtual machine for mobile devices, called DVM (Dalvik Virtual Machine).
6) Does android support other language than java?
Yes, android app can be developed in C/C++ also using android NDK (Native Development Kit). It makes the performance faster. It should be used with android SDK.
History of Android
The history and versions of android are interesting to know. The code names of android ranges from A to J currently, such as Aestro, Blender, Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwitch, Jelly Bean, KitKat and Lollipop. Let's understand the android history in a sequence.
1) Initially, Andy Rubin founded Android Incorporation in Palo Alto, California, United States in October, 2003.
2) In 17th August 2005, Google acquired android Incorporation. Since then, it is in the subsidiary of Google Incorporation.
3) The key employees of Android Incorporation are Andy Rubin, Rich Miner, Chris White and Nick Sears.
4) Originally intended for camera but shifted to smart phones later because of low market for camera only.
5) Android is the nick name of Andy Rubin given by coworkers because of his love to robots.
6) In 2007, Google announces the development of android OS.
7) In 2008, HTC launched the first android mobile.
