Top Android Interview Questions And Answers for Freshers

1.What is Android?
An open-source operating system used for smartphones and tablet computers

2. Features of Android OS?
Most of us are aware of features like
Live wallpaper, Camera, Messaging, Bluetooth, WIFI, Web Browsing, Music, Alarm

3.SDK stand for ?
Software Development Kit

4.Tools Required for Developing Android Apps? 
JDK
Eclipse + ADT plugin
SDK Tools.

5.Advance Features of Android OS?
Google now (voice assistant)
NFC (Near Field Communication)
Unlock your phone by your face
Use your phone with joystick to enjoy gaming experience
Connect your phone with LED TV via MHL or micro HDMI cable
Screen Capture
Multitasking Future (Task Switcher)
Data Usages (Check and also set limit from device)

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6.What is meaning of Android Word?
It means a robot with a human appearance

7.ADT stand for?
Android Developer Tools

8.Inventors of android ?
Andy Rubin, Rich Miner, Nick Sears

9.Advantages of android?
Open-source
Platform-independent
Supports various technologies (having number of native application like: camera, bluetooth, wifi, speech, EDGE)

10. Language Know to develop android apps?
Java
XML

11.Android application main components are?
Activities, Services, Broadcast Receivers, Content Providers    

12. What is AVD?
AVD Stand for Android Virtual Device (emulator), The Android SDK includes a mobile device emulator - a virtual mobile device that runs on your computer.

13.What is Intent?
An Intent is exactly what it describes. It's an "intention" to do an action.
An Intent is basically a message to say you did or want something to happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly.
There are two types of intents in android:
    Implicit Intent
    Explicit Intent

14.What are the names of the various versions of the Android OS?
The following names are used for the currently existing Android releases. Note that versions 1.0 and 1.1 were not publicly named. However, Android 1.1 was internally referred to as "Petit-Four"

Cupcake:
Android 1.5

Donut:
Android 1.6

Eclair:
Android 2.0
Android 2.1

Froyo: (short for "frozen yogurt")
Android 2.2

Gingerbread:
Android 2.3

Honeycomb:
Android 3.0
Android 3.1
Android 3.2

Ice Cream Sandwich:
Android 4.0

Jelly Bean:
Android 4.1
Android 4.2
Android 4.3

KitKat:
Android 4.4

Lollipop:
Android 5.0
Android 5.1

Marshmallow:
Android 6.0