Android Interview Questions


Here are a few Android Interview Questions for you!


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Some useful information that will help you brush up on Android Interview Questions

Do you have a Smartphone? So we understand that you know something about the word Android. If you are an android lover and want to start development on the Android platform, this android development tutorial truly helps you.

What is Android?

Android is an operating system for mobile phones initially founded by ‘Andy Rubin’ in 2003. After 2 years it was acquired by Google. It is a free Linux based platform for smartphones. Google worked on it and finally launched in 2007 for a mobile-based platform. Android has been the best selling operating system for smartphones.

Android is a powerful OS and supports a large number of applications. The hardware of android operating system is based on ARM architecture. There are millions of application that are built on android platform which is easily available at low cost in market that’s why android is very popular as compared to other operating systems.

Linux Kernel

Android software development and android programming apps uses a Linux kernel and supports various hardware. A kernel is the main part of an operating system. Major work of an operating system is to manage input and output request in an application. The kernel provides some basic system functionalities like memory management.

Development

If you want to develop an android app development software for mobile development and android game development then make sure your computer must have the following stuff to learn android app development.

  •    Java Development Kit
  •    Eclipse
  •    Android SDK
  •    Eclipse ADT Plug-in

 

Now a days, android programming language is much easier with android studio tutorial, android studio download link are available on tutorialspoint android. Android developer should learn android programming for beginners. This android tutorial for beginners will explain what is android sdk, android gradle, types of building, android id changer, gradle tutorial, android weekly, android creator and how to build an android app. Android app development tutorial starts with android basics, java game android app design, android activity lifecycle illustrates how to make application for android.

Versions

Since its release, there have been many versions of Android. Here is the list of all versions and android names.

Android version 1.0 released in September, 2008.

Android version 1.5 (Cupcake) released in 2009.

Android version 1.6 (Donut) released in 2009.

Android version 2.0 released (Eclair) in 2009.

Android version 2.1 released in 2010.

Android version 2.2 (Froyo) released in 2010.

Android version 2.3 (Gingerbread) released on in 2010.

Android version 3.0 (Honeycomb) released in 2011.

Android version 3.1 released on in 2011.

Android version 3.2 released in 2011.

Android version 4.0 (Ice Cream Sandwich) released in 2011.

Android version 4.1 (Jelly Bean) released in 2012.

Android version 4.2 released in 2012.

Android version 4.3 released in 2013.

Android version 4.4 (KitKat) released in October 2013.

Android version 5.0 (Lollipop) released in November 2014.

Android version 6.0 (Marshmallow) released in October 2015.

Android version 7.0 (Nougat) released in August 2016.

Android version 8.0 (Oreo) released in August 2017.

 

If you want to build an android application, following language must be considered for that.

Java: - Java is official language for android app development.

Kotlin: - Kotlin is secondary official Java language. It is recently introduced.

C/C++: - Android support C++ with the use of java SDK.

C#: - You can use C# as C++ alternative. C# is good for cross-platform and game development.

BASIC: - It is easy and powerful tools.

Corona: - Cross-platform tools that build on LUA.

PhoneGAP: - With the use of PhoneGAP you can build basic cross-platform application.


Features of Android

There are lot of advantages to build an android app. Android is free and open source platform built on Linux. It’s an open source solution for mobile and offering a complete package for a Mobile device. It is fast and scalable. Apart from this android comes with many other advantages.

Customized User Interface: - Android language is highly customizable and easy to manage. Being an open source platform it allows user to convert their idea to reality. Android offers a wide range of customization option.

Open Source: - Android is an open source OS means anyone can use it for free.

Voice based features: - Google provides voice search in android. Voice action is used for calling, texting, and navigation.

Multitasking: - Android provides easy memory allocation and capable of working on many tasks at one time.

Cost Effective: - Android is open source and you can build a cost-effective ultimate application through android.

 

Apart from this, every version of Android comes with new features.

  •    App Timer
  •    Gesture Navigation
  •    Notch support
  •    Slices
  •    Lockdown Mode
  •    Zoom in text
  •    Smart notification channels.
  •    Auto-rotate button.
  •    Different theme option.
  •  Support High-Efficiency image.

 

Advantages and Disadvantages of Android

Advantages

Android provides a lot of features in the application that made it very popular.

  •    Android is more customizable as compare to other OS.
  •    Easy access to the Android App Market.
  •    Easy documentation.
  •    Easy to adopt
  •    Easy to set-up
  •    Free to use
  •    Install app using APK file.
  •    Android is using in television.
  •    Multi-language support.
  •    Quick setting
  •    Flexible
  •    Upcoming version supports RAW images.
  •    Install new ROM by rooting.

 

Disadvantages

If a system has a lots of advantages, then, it surely has some disadvantages. We found such factors that show the disadvantages.

  •    Complex layouts
  •    Many processes are running in the background that drains a battery very fast.
  •    Low security.
  •    Advertisement pop-ups

Version Name

Every new version of android gates a unique code name based on the alphabet.  The most recent version is known as Pie because it is the Android P release. A previous android version is known as Marshmallow, KitKat, and Lollipop etc.

Last word

Android completely change the world of mobile. It is open source and gives more flexibility to end users. This android developer blog explain how to make an android app with android developer tools.  

Some of the many Android Interview Questions listed below will help you get an idea about what questions gets asked in such jobs related to Software Engineering & Tech. Get through the Android Interview bar with our selected Android Interview Questions for all Android enthusiasts!

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