Thanks for sharing the screenshot. This is not exactly a notification, but it's YouTube Player with controls showing up as it's an ongoing activity. Hope this helps clarify.
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And while I play a video for every 10 or 7 Seconds once it triggers the on screens panel (like if I tap on video when it is played in full screen mode... The on screen buttons will show up) it shows up for every 7 to 10 seconds once even when I am not tapping on screen
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It's the same thing in every smartphone. But you can edit settings for notification you know ?pic.twitter.com/T1xhZEaPp5
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It will also cancel the upload notifications so I won't turn it off
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