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How to build an android application like Zoom? (Free demo classes available)


We’ve gone through an era of office meetings where you need to sit and present yourself in the big conference rooms, but now the time has changed. We are in a new world where everything is going online.


This is the time when you can stay connected wherever you go, your meeting is just a click away. You don’t have to rush for your conference halls or offices, just click and join your meeting. Zoom is one such platform that helps to make your meetings secure, instant, and flawless.


Now, before beginning with course details, let us understand what Zoom actually is?

Zoom  offers  one  of  the  best  unified  communication  experiences  on  mobile.  The application  is  super  easy  to  use  and  connects  up  to  100  people  to  join  a  single meeting,  now  that’s  something  big.  Moreover  you  can  connect  with  anyone  on Android, iPhone, and other devices without getting into much hassle.


So, here we are to help you, join our hands to learn how to develop an application  like Zoom in the easiest possible way.


About the training:

Candidates who wish to enroll for the course will be required to perform the following tasks:

  • Student will be required to attend the training through 17+ hours of video

series. Student will be able to access the videos available under the curriculum column.

  • Once the student has completed the video lectures, they will receive a mail

regarding the project that he or she will be required to implement.

  • The student will be required to share their project’s APK and code to us as soon as he/she completes the task.


  1. PC or Laptop with any OS
  2. Interest to learn android.

What You Will Learn:

  • Programming Basics
  • Java Basics
  • Android Basics
  • Bottom Navigation View
  • Android Permission
  • Splash Screen
  • Android Callback
  • Android Location Service
  • Google Login
  • Firebase
  • MVVM
  • Rest API
  • Retrofit
  • Quickblox API
  • Agora API
  • Android Layouts
  • Shared Preferences
  • Firebase Auth
  • Facebook Login
  • Android Basics
  • Fragments
  • Recyclerview
  • Firestore
  • Material Store
  • Github
  • Differnt Layouts
  • Debugging
  • Unit Testing

Live Class Demo :

Please join the below whatsapp group for live class demo.


Certification eligibility:

Once the student completes the training and submits the project assigned to him/her via mail, he/she will be eligible to get a certificate after verification.

For verification process, students will be required to explain each problem in short and upload the apk to the following link: https://www.diawi.com/

Students will be required to submit the code to Github https://github.com/

After completing these tasks, they will be required to mail us both the links to the email address –info@nullclass.com along with your username.


Features and benefits:


  • After completing the training, you will be able to build a real-world video conferencing app like Zoom.
  • MNCs require experience and some hard-earned projects in your skills. After

the training, you will have access to both.

  • You will receive a professional mentoring which will make you ready for the
  • With the knowledge on how to make a video conferencing application, you can

monetize yourself and start freelancing.

Perks received:

  • Students will get access to one mentor until the completion of training. Students will be able to ask doubts via posting on a portal or directly messaging to the mentor.
  • Students will get Prize Money as Rs 500 if students complete the training in 25 days.
  • WhatsApp support: Students will have access to the premium whatsapp group

once they are enrolled in this training where they can directly ask questions to the mentors.

  • Team viewer support: In case the doubts are not resolved, students will be able to connect to the mentors and share the screen through the team viewer in order to have a more clear solution for their doubts. – https://www.teamviewer.com/en/
  • After the successful completion of the course, students will receive a course completion certificate, internship certificate, experience letter, and letter of Recommendation.


  • Students can get refund with in 7 days of enrollment.


Frequently Asked Questions:


1.Will we get one to one mentor ?

Ans . Yes, every student will have access to one mentor until they complete the training.

2.  Is there 24/ 7 support available ?

Ans. Yes,  students can contact us anytime they want.

3.  How will our daily progress be checked ?

Ans. This training is self paced and students can complete it according to their speed and comfort.

4.  Do we get real – industry experience ?


Ans. Yes, students will definitely get exposure to the real industry experience as we will teach students the current work happening in the industry.

5.  Do we get a completion certificate ?

Ans. Yes, students will get your completion certificate.

6.  Do we get any job recommendations from your side ?

Ans. Yes, students will receive job recommendations from NullClass.

7.  There are other platforms to learn. What is unique in your training ?

Ans. Unlike other platforms, NullClass will provide students the real industry insights and job recommendations to get a job easily.

8.  Do you offer demo classes ?

Ans. Yes, students will getting demo of the training before enrolling.

Course Reviews


22 ratings
  • 5 stars12
  • 4 stars10
  • 3 stars0
  • 2 stars0
  • 1 stars0
  1. 4

    I feel learning platforms are not for me and this has nothing to do with NullClass, there are really some great courses but I just can’t focus!!

  2. 5

    Thanks for offering this platform, worked fine

  3. Worth for the money we spent...


    The courses are very simple and up to the expectations at very cheap prices… Beginner to Advance. All the level courses are available. So that you can choose one from them.

  4. 5

    Brilliant pace, very clear and easy to understand. Being a student that is foreign to
    the computer world, I have found it very easy to follow along with these classes.

  5. 4

    I loved it! NullClass broke down all of the hard concepts that I was struggling with
    in other courses. The fact that they put in bonus modules such as app design and
    marketing is incredible. Most courses don’t include these topics, so the addition of
    both modules is very generous of them.

  6. 5

    Just one of the best learning experiences from NullClass. I particularly love the
    analogies used by NullClass In order to learn new concepts and techniques.

  7. 4

    he materials and the coordination of what to learn, work on, improve upon and
    retain are remarkable. NullClass helped put this course together, did an excellent job
    and truly understands how a person learns and retains challenging material

  8. 5

    It was so challenging and full of knowledge! I have learned a lot from this course.
    NullClass has the best instructor, respect! They explain everything that way so you
    get it instantly. It was awesome to be a part of this course, thanks each of you,
    especially instructors for helping students throughout the course.

  9. 5

    Being a fresher as an android developer this course helped me not only to
    understand android coding in such an easy way but also made each section of the
    course interesting and enjoyable due to the awesome teaching method by NullClass.
    Best course to start with as a beginner into Android Development!!!

  10. 5

    Great course while studying computer science students during summer vacation
    and I enjoyed each part of the course. Whoever is having passion for android
    development must pursue this course for having better knowledge about front and
    back end development.

  11. 4

    This was a great, comprehensive course to learn the basics of android
    development! The instructor has an engaging and informative teaching style that
    gives you a great foundation to go into more advanced topics.

  12. 4

    Awesome course for all groups, covering almost everything related to ANDROID
    Developer ever needed to learn. You have to put your effort first in this course. There
    is more than enough to learn !!

  13. 5

    The course offers a lot of content! I expected this course to take me from a
    complete novice to a beginner level android developer and it has. The first half of the
    course that deals with frontend development is very comprehensive as the instructor
    takes time to explain concepts.

  14. 4

    Very good introducing me to new technologies in more modern android
    development. A good fit in general, but given my robust experience in previous
    statistical programming (and occasional app-widget creation) in android studio I
    think an advanced course would have been slightly more appropriate.

  15. 4

    Great course! Well explained, comprehensive and continually updated, which is
    really important since technology is changing rapidly. Also, you can get help when
    you need it. A course that you should do!!

  16. 4

    The instructor explains everything very well. The course is very progressive and
    each video isn’t too long. The exercises/projects are quite interesting. I really had a
    great time taking this course!

  17. 5

    Awesome course. Pretty well put. The instructors did provide notes about every
    bug and update.

  18. 5

    One of the best courses for learning complete android development. Highly
    recommended! Thank you NULL CLASS for teaching wonderful concepts in a very
    understandable way.Thanks instructors and other course assistants for helping me
    out whenever I came across an error or problem and replying at the earliest. I would
    surely recommend this course to my college friends who are interested in learning
    Android Development. Thank you again!

  19. 4

    This course has helped boost my confidence to such a great extent. It made me
    realize that whether you are building a production level android application or
    working on any personal project if you know your fundamentals straight and well you
    can very comfortably develop amazing things. Thanks to NullClass who has the most
    simplified and intuitive way of teaching any concept and the entire TA team for all
    the help and an amazing learning experience overall!

  20. best course


    The course is really really excellent and helped me a lot in better understanding of android studio and it’s real world application.Thank You so much for this wonderful course NullClass

  21. great course


    The Course is just great. Perfect for a beginner looking to start developing Android apps. Some of the concepts taught are really great like Firebase, ML Kit which makes this course very special to consider. The concepts are explained in a very nice and polite way.

  22. Zoom clone course


    It was a nice experience learning to develop a Zoom clone at NullClass. Thank you for clearing doubts whenever posted and for guidance.


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