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I'm trying to create an application that will show some info over the current screen in Tizen (for TV), using the WebAPI. The main idea is to create a vertical bar on the side that will be transparent and showing some text in overlay with the screen. I have actually not succeeded in any type of transparency with the screen in the background. The example given here (OverlayPiP link) is showing all white screen and the buttons do not change anything in spite of actually being called (I can see that on the screen).

I am using Tizen SDK 3.0 (which also allegedly supports OS 2.4) with Tizen Studio 2.5.

nm_tp
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1 Answers1

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I have implemented exactly that. If you already use WebAPI, why not just overlay a transparent DIV over your content and then display the info there?

The way I solved this, was by having DIVs holding content (such as images, videos, websites, etc) in the background while placing a DIV on button press in the foreground. The latter is semi-transparent and updated asynchronously, whenever all info is collected from the system.

The API I used was b2bapis.b2bcontrol, though it may or may not be available to you, depending on your partnership lebel with SAMSUNG.

TL;DR:

Collect the info you need to display, then place it on a semi-transparent DIV and update asynchronously via callback.

Koenigsberg
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  • Could you give me an example? The docs are not quite helpful. I've tried putting the screen in the background (with the 'BEHIND' parameter for `tizen.tvwindow.show` ) and then the transparent body with a non-transparent div but there was no effect. When I put 100% screen size, I either saw the web page or I saw the screen, no overlay. – nm_tp Oct 31 '18 at 08:58