What is the technology behind screen sharing? [closed]

General Tech Technology & Software 2 years ago

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Posted on 16 Aug 2022, this text provides information on Technology & Software related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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manpreet Tuteehub forum best answer Best Answer 2 years ago

Came across an app called Draw N Guess(iTunes link) and the app uses screen sharing, i.e what a player draws is visible to others. I'm wondering how they are doing it in real time. I believe it is a cross-platform app. I got curios to know what is the technology behind it! It must be very interesting to learn :)

P.S. If this is not the site to ask plain question (i.e unrelated to programming), can you let me know where I can ask such questions? TIY!

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manpreet 2 years ago

If the image appears all in one go...

  1. User A draws it
  2. User A presses a button
  3. A snapshot is taken of the drawing, into an image
  4. The image is sent to user B

If you watch the other user draw it

  1. User A makes some kind of input gesture (draw with finger)
  2. User A's app converts that to a draw b.com/tag/command">command and executes it locally
  3. The b.com/tag/command">command is sent to user B
  4. User B's app executes the b.com/tag/command">command

It's not screen sharing. Screen sharing shares an area of the screen regardless of which app is running.


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