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I am a newbie to Roku development. I want to find out whether the Roku TV discovers all the other TVs(Samsung, LG, Android & Apple TVs). If yes, please give me the function to discover the other TVs. Thanks in advance.

AndroidGeek
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Roku by itself does not do discovery for other devices. If you have something specific in mind though, you should be able to send and listen for UDP, see https://sdkdocs.roku.com/display/sdkdoc/roDataGramSocket

Nas Banov
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I used the function in this link https://sdkdocs.roku.com/display/sdkdoc/roDataGramSocket and used address as 239.255.255.250 and port - 1900 which is used for SSDP( simple service discovery protocol). I was able to see the other smart TV's such as Samsung and Sony Bravia in my console log.

AndroidGeek
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  • No, it clearly tells that **you** used SSDP to discover other devices. :) Or that Roku app *can* use HTTPU/UPnP, like you did. What makes you say that Roku discovers other devices SSDP?! You might be thinking about CEC which is HDMI affair (go Settings > System > Control other devices) – Nas Banov Jan 05 '17 at 16:45
  • Well, yes I used SSDP to discover other devices on network from Roku application. Roku does not use it. – AndroidGeek Jan 05 '17 at 16:54